update model

7d8d0acf · Nguyễn Văn An · c17d42a5 · 7d8d0acf · 7d8d0acf · 7d8d0acf
Commit 7d8d0acf authored May 12, 2022 by Nguyễn Văn An
24 changed files
--- a/.DS_Store
+++ b/.DS_Store
--- a/OCR-SDK.xcodeproj/project.pbxproj
+++ b/OCR-SDK.xcodeproj/project.pbxproj
@@ -7,10 +7,12 @@
 	objects = {
 /* Begin PBXBuildFile section */
-		60B3E4342745FC5C00D58AD2 /* idcard15072021.tflite in Resources */ = {isa = PBXBuildFile; fileRef = 60B3E4332745FC5C00D58AD2 /* idcard15072021.tflite */; };
+		600A87B727C685FB00A0A270 /* Car-2 copy@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 600A87B627C685FB00A0A270 /* Car-2 copy@2x.png */; };
+		600A87BA27C6862300A0A270 /* ic_camera.png in Resources */ = {isa = PBXBuildFile; fileRef = 600A87B927C6862300A0A270 /* ic_camera.png */; };
+		606B7B06282D50CF001E20DB /* card.tflite in Resources */ = {isa = PBXBuildFile; fileRef = 606B7B04282D50CF001E20DB /* card.tflite */; };
+		606B7B07282D50CF001E20DB /* face.tflite in Resources */ = {isa = PBXBuildFile; fileRef = 606B7B05282D50CF001E20DB /* face.tflite */; };
 		9509925F25355E0300C570D8 /* SBKValidateCardView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9509925E25355E0300C570D8 /* SBKValidateCardView.swift */; };
 		95182D0624B3343E00405EA9 /* liveness.tflite in Resources */ = {isa = PBXBuildFile; fileRef = 95182D0524B3343D00405EA9 /* liveness.tflite */; };
-		954230E525344620006F13F9 /* valid_card_10102020.tflite in Resources */ = {isa = PBXBuildFile; fileRef = 954230E425344601006F13F9 /* valid_card_10102020.tflite */; };
 		9546DDC0247D1FA200AF50DE /* Localizable.strings in Resources */ = {isa = PBXBuildFile; fileRef = 9546DDC2247D1FA200AF50DE /* Localizable.strings */; };
 		9546DDD0247D2C0C00AF50DE /* SBKCaptureCardVC.xib in Resources */ = {isa = PBXBuildFile; fileRef = 9546DDD2247D2C0C00AF50DE /* SBKCaptureCardVC.xib */; };
 		9551057C2477746A0053036F /* OCR_SDK.h in Headers */ = {isa = PBXBuildFile; fileRef = 9551057A2477746A0053036F /* OCR_SDK.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -31,7 +33,6 @@
 		9580130F2489F1EA00846F8A /* SBKRecordFace.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9580130D2489F1EA00846F8A /* SBKRecordFace.swift */; };
 		958013102489F1EA00846F8A /* SBKRecordFace.xib in Resources */ = {isa = PBXBuildFile; fileRef = 9580130E2489F1EA00846F8A /* SBKRecordFace.xib */; };
 		95801347248A237000846F8A /* SBKModelDataHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 95801346248A237000846F8A /* SBKModelDataHandler.swift */; };
-		958D36C224C18BB1004B27EB /* Pods_OCR_SDK.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B6B0136F5F5B4ED2341A91B /* Pods_OCR_SDK.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		A442B6F025299E160058D675 /* SBKValidateCardView.xib in Resources */ = {isa = PBXBuildFile; fileRef = A442B6EF25299E160058D675 /* SBKValidateCardView.xib */; };
 		A442B6F22529A13A0058D675 /* SBKRecordFaceView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A442B6F12529A13A0058D675 /* SBKRecordFaceView.swift */; };
 		A442B6F42529A1440058D675 /* SBKRecordFaceView.xib in Resources */ = {isa = PBXBuildFile; fileRef = A442B6F32529A1440058D675 /* SBKRecordFaceView.xib */; };
@@ -91,11 +92,13 @@
 /* Begin PBXFileReference section */
 		2A440D461209C526DEA3FD58 /* Pods-OCR-SDK.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-OCR-SDK.debug.xcconfig"; path = "Target Support Files/Pods-OCR-SDK/Pods-OCR-SDK.debug.xcconfig"; sourceTree = "<group>"; };
 		3B6B0136F5F5B4ED2341A91B /* Pods_OCR_SDK.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_OCR_SDK.framework; sourceTree = BUILT_PRODUCTS_DIR; };
-		60B3E4332745FC5C00D58AD2 /* idcard15072021.tflite */ = {isa = PBXFileReference; lastKnownFileType = file; path = idcard15072021.tflite; sourceTree = "<group>"; };
+		600A87B627C685FB00A0A270 /* Car-2 copy@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Car-2 copy@2x.png"; sourceTree = "<group>"; };
+		600A87B927C6862300A0A270 /* ic_camera.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = ic_camera.png; sourceTree = "<group>"; };
+		606B7B04282D50CF001E20DB /* card.tflite */ = {isa = PBXFileReference; lastKnownFileType = file; path = card.tflite; sourceTree = "<group>"; };
+		606B7B05282D50CF001E20DB /* face.tflite */ = {isa = PBXFileReference; lastKnownFileType = file; path = face.tflite; sourceTree = "<group>"; };
 		8C1C048EB777A910827003CA /* Pods-OCR-SDK.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-OCR-SDK.release.xcconfig"; path = "Target Support Files/Pods-OCR-SDK/Pods-OCR-SDK.release.xcconfig"; sourceTree = "<group>"; };
 		9509925E25355E0300C570D8 /* SBKValidateCardView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SBKValidateCardView.swift; sourceTree = "<group>"; };
 		95182D0524B3343D00405EA9 /* liveness.tflite */ = {isa = PBXFileReference; lastKnownFileType = file; path = liveness.tflite; sourceTree = "<group>"; };
-		954230E425344601006F13F9 /* valid_card_10102020.tflite */ = {isa = PBXFileReference; lastKnownFileType = file; path = valid_card_10102020.tflite; sourceTree = "<group>"; };
 		9546DDC1247D1FA200AF50DE /* en */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = en; path = en.lproj/Localizable.strings; sourceTree = "<group>"; };
 		9546DDC3247D1FAA00AF50DE /* vi */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = vi; path = vi.lproj/Localizable.strings; sourceTree = "<group>"; };
 		9546DDD1247D2C0C00AF50DE /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/SBKCaptureCardVC.xib; sourceTree = "<group>"; };
@@ -142,7 +145,6 @@
 		B7622AAB2647E5730077D3CF /* NormalizeOp.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = NormalizeOp.swift; sourceTree = "<group>"; };
 		B7622AAC2647E5730077D3CF /* Detection.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Detection.swift; sourceTree = "<group>"; };
 		B7622AAD2647E5730077D3CF /* LandMark.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = LandMark.swift; sourceTree = "<group>"; };
-		B7622AB52647E6230077D3CF /* face_detection_front.tflite */ = {isa = PBXFileReference; lastKnownFileType = file; path = face_detection_front.tflite; sourceTree = "<group>"; };
 		B7622AC32647EB230077D3CF /* OverLayCardView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = OverLayCardView.swift; sourceTree = "<group>"; };
 		B7622ACB2647EE420077D3CF /* TutorialFace1.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = TutorialFace1.png; sourceTree = "<group>"; };
 		B7622ACC2647EE420077D3CF /* TutorialFaceP.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = TutorialFaceP.png; sourceTree = "<group>"; };
@@ -353,9 +355,8 @@
 		9580134A248A25E700846F8A /* Model */ = {
 			isa = PBXGroup;
 			children = (
-				60B3E4332745FC5C00D58AD2 /* idcard15072021.tflite */,
+				606B7B04282D50CF001E20DB /* card.tflite */,
-				B7622AB52647E6230077D3CF /* face_detection_front.tflite */,
+				606B7B05282D50CF001E20DB /* face.tflite */,
-				954230E425344601006F13F9 /* valid_card_10102020.tflite */,
 				95182D0524B3343D00405EA9 /* liveness.tflite */,
 			);
 			path = Model;
@@ -412,12 +413,14 @@
 		B7622ACA2647EE420077D3CF /* image */ = {
 			isa = PBXGroup;
 			children = (
+				600A87B627C685FB00A0A270 /* Car-2 copy@2x.png */,
 				B7622ACB2647EE420077D3CF /* TutorialFace1.png */,
 				B7622ACC2647EE420077D3CF /* TutorialFaceP.png */,
 				B7622ACD2647EE420077D3CF /* Scan-4@2x.png */,
 				B7622ACE2647EE420077D3CF /* Back@2x.png */,
 				B7622ACF2647EE420077D3CF /* TutorialFace3.png */,
 				B7622AD02647EE420077D3CF /* TutorialFace2.png */,
+				600A87B927C6862300A0A270 /* ic_camera.png */,
 				B7622AD12647EE420077D3CF /* Hat@2x.png */,
 				B7622AD22647EE420077D3CF /* Glasses@2x.png */,
 				B7622AD32647EE420077D3CF /* Caution@2x.png */,
@@ -530,7 +533,6 @@
 				B7622AF12647EE420077D3CF /* Hat@2x.png in Resources */,
 				B7622AFB2647EE420077D3CF /* background.png in Resources */,
 				B7622AED2647EE420077D3CF /* Scan-4@2x.png in Resources */,
-				954230E525344620006F13F9 /* valid_card_10102020.tflite in Resources */,
 				957DF5F324C035C700FE6A67 /* objcio.cer in Resources */,
 				95182D0624B3343E00405EA9 /* liveness.tflite in Resources */,
 				B7622B072647EE420077D3CF /* cmndF1.png in Resources */,
@@ -551,15 +553,19 @@
 				955105BF247774CC0053036F /* SBKTutorialVC.xib in Resources */,
 				B7622AFF2647EE420077D3CF /* Avoid glare.png in Resources */,
 				B7622B012647EE420077D3CF /* back_light.png in Resources */,
+				600A87BA27C6862300A0A270 /* ic_camera.png in Resources */,
 				9546DDC0247D1FA200AF50DE /* Localizable.strings in Resources */,
 				B7622AEE2647EE420077D3CF /* Back@2x.png in Resources */,
 				B7622B022647EE420077D3CF /* Holdphone@2x.png in Resources */,
 				B7622B002647EE420077D3CF /* Screen Shot 2020-05-12 at 15.14.44.png in Resources */,
+				606B7B06282D50CF001E20DB /* card.tflite in Resources */,
 				958013102489F1EA00846F8A /* SBKRecordFace.xib in Resources */,
 				B7622B062647EE420077D3CF /* Scan-1@2x.png in Resources */,
 				955105C1247774CC0053036F /* SBKResultCapture.xib in Resources */,
+				606B7B07282D50CF001E20DB /* face.tflite in Resources */,
 				B7622AF22647EE420077D3CF /* Glasses@2x.png in Resources */,
 				B7622AF52647EE420077D3CF /* rotate.png in Resources */,
+				600A87B727C685FB00A0A270 /* Car-2 copy@2x.png in Resources */,
 				B7622B0A2647EE420077D3CF /* Passport-2 copy@2x.png in Resources */,
 				B7622B032647EE420077D3CF /* ic_record.png in Resources */,
 				B7622B052647EE420077D3CF /* Scan-3@2x.png in Resources */,
@@ -567,7 +573,6 @@
 				B7622AFA2647EE420077D3CF /* TutorialFaceCheckBox.png in Resources */,
 				B7622AFD2647EE420077D3CF /* iconCap.png in Resources */,
 				B7622B042647EE420077D3CF /* Next@2x.png in Resources */,
-				60B3E4342745FC5C00D58AD2 /* idcard15072021.tflite in Resources */,
 				B7622B092647EE420077D3CF /* cmndF2.png in Resources */,
 				B7622AF02647EE420077D3CF /* TutorialFace2.png in Resources */,
 				B7622AEF2647EE420077D3CF /* TutorialFace3.png in Resources */,

--- a/OCR-SDK.xcworkspace/xcuserdata/ad.xcuserdatad/UserInterfaceState.xcuserstate
+++ b/OCR-SDK.xcworkspace/xcuserdata/ad.xcuserdatad/UserInterfaceState.xcuserstate
--- a/OCR-SDK.xcworkspace/xcuserdata/ad.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
+++ b/OCR-SDK.xcworkspace/xcuserdata/ad.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist
+<?xml version="1.0" encoding="UTF-8"?>
+<Bucket
+   uuid = "FD833007-BFDE-4E90-B09E-D1112B21135E"
+   type = "0"
+   version = "2.0">
+</Bucket>
--- a/OCR-SDK/.DS_Store
+++ b/OCR-SDK/.DS_Store
--- a/OCR-SDK/Model/card.tflite
+++ b/OCR-SDK/Model/card.tflite
--- a/OCR-SDK/Model/face.tflite
+++ b/OCR-SDK/Model/face.tflite
--- a/OCR-SDK/Model/face_detection_front.tflite
+++ b/OCR-SDK/Model/face_detection_front.tflite
--- a/OCR-SDK/Model/idcard15072021.tflite
+++ b/OCR-SDK/Model/idcard15072021.tflite
--- a/OCR-SDK/Model/valid_card_10102020.tflite
+++ b/OCR-SDK/Model/valid_card_10102020.tflite
--- a/OCR-SDK/ModelDataHandler/SBKModelDataHandler.swift
+++ b/OCR-SDK/ModelDataHandler/SBKModelDataHandler.swift
-// Copyright 2019 The TensorFlow Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
 import CoreImage
 import TensorFlowLite
 import UIKit
 import Accelerate
-/// A result from invoking the `Interpreter`.
 struct Result {
-  let inferenceTime: Double
+    let inferenceTime: Double
-  let inferences: [Inference]
+    let inferences: [Inference]
 }
-/// An inference from invoking the `Interpreter`.
 struct Inference {
-  let confidence: Float
+    let confidence: Float
-  let label: String
+    let label: String
 }
-/// Information about a model file or labels file.
 typealias FileInfo = (name: String, extension: String)
-/// Information about the MobileNet model.
 enum MobileNet {
-  static let modelInfo: FileInfo = (name: "liveness", extension: "tflite")
+    static let livenessModel: FileInfo = (name: "liveness", extension: "tflite")
-  static let cardModel: FileInfo = (name: "idcard15072021", extension: "tflite")
+    static let cardModel: FileInfo = (name: "card", extension: "tflite")
-  static let landMarkModel: FileInfo = (name: "face_detection_front", extension: "tflite")
+    static let faceModel: FileInfo = (name: "face", extension: "tflite")
 }
-/// This class handles all data preprocessing and makes calls to run inference on a given frame
-/// by invoking the `Interpreter`. It then formats the inferences obtained and returns the top N
-/// results for a successful inference.
 class SBKModelDataHandler {
+    let threadCount: Int
-  // MARK: - Internal Properties
+    let resultCount = 3
+    let threadCountLimit = 10
-  /// The current thread count used by the TensorFlow Lite Interpreter.
+    var subtract: Float = 127.5
-  let threadCount: Int
-  let resultCount = 3
-  let threadCountLimit = 10
-  // MARK: - Model Parameters
-  let batchSize = 1
-  let inputChannels = 3
-  let inputWidth = 224
-  let inputHeight = 224
-  // MARK: - Private Properties
-  /// List of labels from the given labels file.
-  private var labels: [String] = []
-  /// TensorFlow Lite `Interpreter` object for performing inference on a given model.
-  private var interpreter: Interpreter
-  /// Information about the alpha component in RGBA data.
-  private let alphaComponent = (baseOffset: 4, moduloRemainder: 3)
-  // MARK: - Initialization
-  /// A failable initializer for `ModelDataHandler`. A new instance is created if the model and
-  /// labels files are successfully loaded from the app's main bundle. Default `threadCount` is 1.
-    init?(modelFileInfo: FileInfo, threadCount: Int = 1) {
-    let modelFilename = modelFileInfo.name
-    // Construct the path to the model file.
-    let bundle = Bundle(for: SBKRecordFace.self)
-    guard let modelPath = bundle.path(
-      forResource: modelFilename,
-      ofType: modelFileInfo.extension
-    ) else {
-      print("Failed to load the model file with name: \(modelFilename).")
-      return nil
-    }
-    // Specify the options for the `Interpreter`.
-    self.threadCount = threadCount
-    var options = Interpreter.Options()
-    options.threadCount = threadCount
-    do {
-      // Create the `Interpreter`.
-      interpreter = try Interpreter(modelPath: modelPath, options: options)
-      // Allocate memory for the model's input `Tensor`s.
-      try interpreter.allocateTensors()
-    } catch let error {
-      print("Failed to create the interpreter with error: \(error.localizedDescription)")
-      return nil
-    }
-  }
-    func fromImage(image: UIImage, datas: Data, imagesss: UIImage) -> UIColor {
+    // MARK: - Model Parameters
-        var totalR: CGFloat = 0
-        var totalG: CGFloat = 0
+    let batchSize = 1
-        var totalB: CGFloat = 0
+    let inputChannels = 3
+    var inputWidth = 256
-        var count: CGFloat = 0
+    var inputHeight = 256
+    private var labels: [String] = []
-        for x in 0..<Int(image.size.width) {
+    private var interpreter: Interpreter
-            for y in 0..<Int(image.size.height) {
+    private let alphaComponent = (baseOffset: 4, moduloRemainder: 3)
-                count += 1
+    init?(modelFileInfo: FileInfo, threadCount: Int = 1) {
-                var rF: CGFloat = 0,
+        let modelFilename = modelFileInfo.name
-                gF: CGFloat = 0,
+        let bundle = Bundle(for: type(of: self))
-                bF: CGFloat = 0,
+        guard let modelPath = bundle.path(
-                aF: CGFloat = 0
+            forResource: modelFilename,
-                image.getPixelColor(pos: CGPoint(x: x, y: y), dataImage: datas, image: imagesss ).getRed(&rF, green: &gF, blue: &bF, alpha: &aF)
+            ofType: modelFileInfo.extension
-                totalR += rF
+        ) else {
-                totalG += gF
+            print("Failed to load the model file with name: \(modelFilename).")
-                totalB += bF
+            return nil
-            }
+        }
+        self.threadCount = threadCount
+        var options = Interpreter.Options()
+        options.threadCount = threadCount
+        do {
+            interpreter = try Interpreter(modelPath: modelPath, options: options)
+            try interpreter.allocateTensors()
+        } catch let error {
+            print("Failed to create the interpreter with error: \(error.localizedDescription)")
+            return nil
        }
-        let averageR = totalR / count
-        let averageG = totalG / count
-        let averageB = totalB / count
-        return UIColor(red: averageR, green: averageG, blue: averageB, alpha: 1.0)
-    }
-    func convert(cmage:CIImage) -> UIImage
-    {
-         let context:CIContext = CIContext.init(options: nil)
-         let cgImage:CGImage = context.createCGImage(cmage, from: cmage.extent)!
-         let image:UIImage = UIImage.init(cgImage: cgImage)
-         return image
    }
-  // MARK: - Internal Methods
-  /// Performs image preprocessing, invokes the `Interpreter`, and processes the inference results.
    func runModel(onFrame pixelBuffer: CVPixelBuffer) -> [Float]? {
      let sourcePixelFormat = CVPixelBufferGetPixelFormatType(pixelBuffer)
@@ -149,8 +64,11 @@ class SBKModelDataHandler {
               sourcePixelFormat == kCVPixelFormatType_32BGRA ||
                 sourcePixelFormat == kCVPixelFormatType_32RGBA)
      let imageChannels = 4
      assert(imageChannels >= inputChannels)
+      // Crops the image to the biggest square in the center and scales it down to model dimensions.
      let scaledSize = CGSize(width: inputWidth, height: inputHeight)
      guard let thumbnailPixelBuffer = pixelBuffer.resized(to: scaledSize) else {
        return nil
@@ -159,6 +77,8 @@ class SBKModelDataHandler {
      let outputTensor: Tensor
      do {
        let inputTensor = try interpreter.input(at: 0)
+        // Remove the alpha component from the image buffer to get the RGB data.
        guard let rgbData = rgbDataFromBuffer(
          thumbnailPixelBuffer,
          byteCount: batchSize * inputWidth * inputHeight * inputChannels,
@@ -167,10 +87,19 @@ class SBKModelDataHandler {
          print("Failed to convert the image buffer to RGB data.")
          return nil
        }
+          let imageCap = UIImage(data: rgbData)
+         // self.fromImage(image: imageCap!, datas: rgbData, imagesss: imageCap!)
+        // Copy the RGB data to the input `Tensor`.
        try interpreter.copy(rgbData, toInputAt: 0)
+        // Run inference by invoking the `Interpreter`.
        let startDate = Date()
        try interpreter.invoke()
        interval = Date().timeIntervalSince(startDate) * 1000
+        // Get the output `Tensor` to process the inference results.
        outputTensor = try interpreter.output(at: 0)
      } catch let error {
        print("Failed to invoke the interpreter with error: \(error.localizedDescription)")
@@ -197,95 +126,98 @@ class SBKModelDataHandler {
      return results
    }
-  private func rgbDataFromBuffer(
-    _ buffer: CVPixelBuffer,
-    byteCount: Int,
-    isModelQuantized: Bool
-  ) -> Data? {
-    CVPixelBufferLockBaseAddress(buffer, .readOnly)
-    defer {
-      CVPixelBufferUnlockBaseAddress(buffer, .readOnly)
-    }
-    guard let sourceData = CVPixelBufferGetBaseAddress(buffer) else {
-      return nil
-    }
-    let width = CVPixelBufferGetWidth(buffer)
-    let height = CVPixelBufferGetHeight(buffer)
-    let sourceBytesPerRow = CVPixelBufferGetBytesPerRow(buffer)
-    let destinationChannelCount = 3
-    let destinationBytesPerRow = destinationChannelCount * width
-    var sourceBuffer = vImage_Buffer(data: sourceData,
-                                     height: vImagePixelCount(height),
-                                     width: vImagePixelCount(width),
-                                     rowBytes: sourceBytesPerRow)
-    guard let destinationData = malloc(height * destinationBytesPerRow) else {
+    private func rgbDataFromBuffer(
-      print("Error: out of memory")
+        _ buffer: CVPixelBuffer,
-      return nil
+        byteCount: Int,
-    }
+        isModelQuantized: Bool
+    ) -> Data? {
-    defer {
+        CVPixelBufferLockBaseAddress(buffer, .readOnly)
-        free(destinationData)
+        defer {
-    }
+            CVPixelBufferUnlockBaseAddress(buffer, .readOnly)
+        }
-    var destinationBuffer = vImage_Buffer(data: destinationData,
+        guard let sourceData = CVPixelBufferGetBaseAddress(buffer) else {
-                                          height: vImagePixelCount(height),
+            return nil
-                                          width: vImagePixelCount(width),
+        }
-                                          rowBytes: destinationBytesPerRow)
+        let width = CVPixelBufferGetWidth(buffer)
+        let height = CVPixelBufferGetHeight(buffer)
-    let pixelBufferFormat = CVPixelBufferGetPixelFormatType(buffer)
+        let sourceBytesPerRow = CVPixelBufferGetBytesPerRow(buffer)
+        let destinationChannelCount = 3
-    switch (pixelBufferFormat) {
+        let destinationBytesPerRow = destinationChannelCount * width
-    case kCVPixelFormatType_32BGRA:
-        vImageConvert_BGRA8888toRGB888(&sourceBuffer, &destinationBuffer, UInt32(kvImageNoFlags))
+        var sourceBuffer = vImage_Buffer(data: sourceData,
-    case kCVPixelFormatType_32ARGB:
+                                         height: vImagePixelCount(height),
-        vImageConvert_ARGB8888toRGB888(&sourceBuffer, &destinationBuffer, UInt32(kvImageNoFlags))
+                                         width: vImagePixelCount(width),
-    case kCVPixelFormatType_32RGBA:
+                                         rowBytes: sourceBytesPerRow)
-        vImageConvert_RGBA8888toRGB888(&sourceBuffer, &destinationBuffer, UInt32(kvImageNoFlags))
-    default:
+        guard let destinationData = malloc(height * destinationBytesPerRow) else {
-        // Unknown pixel format.
+            print("Error: tran bo dem")
-        return nil
+            return nil
-    }
+        }
-    let byteData = Data(bytes: destinationBuffer.data, count: destinationBuffer.rowBytes * height)
+        defer {
-    if isModelQuantized {
+            free(destinationData)
-        return byteData
+        }
-    }
+        var destinationBuffer = vImage_Buffer(data: destinationData,
-    // Not quantized, convert to floats
+                                              height: vImagePixelCount(height),
-    let bytes = Array<UInt8>(unsafeData: byteData)!
+                                              width: vImagePixelCount(width),
-    var floats = [Float]()
+                                              rowBytes: destinationBytesPerRow)
-    for i in 0..<bytes.count {
-        floats.append(Float(bytes[i]) / 255.0)
+        let pixelBufferFormat = CVPixelBufferGetPixelFormatType(buffer)
-    }
-    return Data(copyingBufferOf: floats)
+        switch (pixelBufferFormat) {
-  }
+        case kCVPixelFormatType_32BGRA:
-}
+            vImageConvert_BGRA8888toRGB888(&sourceBuffer, &destinationBuffer, UInt32(kvImageNoFlags))
+        case kCVPixelFormatType_32ARGB:
+            vImageConvert_ARGB8888toRGB888(&sourceBuffer, &destinationBuffer, UInt32(kvImageNoFlags))
+        case kCVPixelFormatType_32RGBA:
+            vImageConvert_RGBA8888toRGB888(&sourceBuffer, &destinationBuffer, UInt32(kvImageNoFlags))
+        default:
+            // Unknown pixel format.
+            return nil
+        }
+        let byteData = Data(bytes: destinationBuffer.data, count: destinationBuffer.rowBytes * height)
+        if isModelQuantized {
+            return byteData
+        }
+        // Not quantized, convert to floats
+        let bytes = Array<UInt8>(unsafeData: byteData)!
+        var floats = [Float]()
+        for i in 0..<bytes.count {
+            if self.subtract != 0 {
+            floats.append((Float(bytes[i]) - subtract) / subtract)
+            } else {
+                floats.append((Float(bytes[i])))
+            }
+        }
+        return Data(copyingBufferOf: floats)
+    }}
 // MARK: - Extensions
 extension Data {
-  init<T>(copyingBufferOf array: [T]) {
+    init<T>(copyingBufferOf array: [T]) {
-    self = array.withUnsafeBufferPointer(Data.init)
+        self = array.withUnsafeBufferPointer(Data.init)
-  }
+    }
 }
 extension Array {
-  init?(unsafeData: Data) {
+    init?(unsafeData: Data) {
-    guard unsafeData.count % MemoryLayout<Element>.stride == 0 else { return nil }
+        guard unsafeData.count % MemoryLayout<Element>.stride == 0 else { return nil }
-    #if swift(>=5.0)
+        #if swift(>=5.0)
-    self = unsafeData.withUnsafeBytes { .init($0.bindMemory(to: Element.self)) }
+        self = unsafeData.withUnsafeBytes { .init($0.bindMemory(to: Element.self)) }
-    #else
+        #else
-    self = unsafeData.withUnsafeBytes {
+        self = unsafeData.withUnsafeBytes {
-      .init(UnsafeBufferPointer<Element>(
+            .init(UnsafeBufferPointer<Element>(
-        start: $0,
+                start: $0,
-        count: unsafeData.count / MemoryLayout<Element>.stride
+                count: unsafeData.count / MemoryLayout<Element>.stride
-      ))
+            ))
+        }
+        #endif  // swift(>=5.0)
    }
-    #endif  // swift(>=5.0)
-  }
 }
--- a/OCR-SDK/UI/SBKCaptureCard/SBKValidateCardView.swift
+++ b/OCR-SDK/UI/SBKCaptureCard/SBKValidateCardView.swift
@@ -18,6 +18,7 @@ open class SBKValidateCardView: UIView, AVCapturePhotoCaptureDelegate {
    @IBOutlet public weak var lbStep: UILabel!
    @IBOutlet public weak var btnCapture: UIButton!
    @IBOutlet public weak var imgCaution: UIImageView!
+    @IBOutlet weak var viewTakePhoto: UIView!
    public var captureSession: AVCaptureSession = AVCaptureSession()
    public var stillImageOutput: AVCapturePhotoOutput =  AVCapturePhotoOutput()
@@ -39,7 +40,7 @@ open class SBKValidateCardView: UIView, AVCapturePhotoCaptureDelegate {
    private var cropZone: CGRect?
    private var cropImage: CGRect?
    var overlayView: OverLayCardView?
+    var imagePreview = UIImageView(frame: CGRect(x: 20, y: 20, width: 280, height: 210))
    public var completionSuccessCardStep: (_ validate: ValidateCard?, _ pathImage: String?, _ permissionCamera: Bool?)->Void = {_,_,_  in}
    public var iconTakeCard: Data = UIImage(named: "iconCap", in: Bundle(for: SBKTutorialVC.self), compatibleWith: nil)!.pngData()!
@@ -79,6 +80,13 @@ open class SBKValidateCardView: UIView, AVCapturePhotoCaptureDelegate {
        self.labelTypeCard.text = "Use front"
        self.labelTypeCard.textColor = UIColor.white
        self.addSubview(labelTypeCard)
+        self.addSubview(imagePreview)
+    }
+    func setImage(_ image: UIImage) {
+        DispatchQueue.main.async {
+            self.imagePreview.image = image
+        }
    }
    func loadViewFromNib() -> UIView? {
@@ -224,13 +232,14 @@ open class SBKValidateCardView: UIView, AVCapturePhotoCaptureDelegate {
        let cropImage = UIImage(data: imageData)!.crop(rect: self.cropImage!, scale: 1.0)
        if let image = cropImage, let urlImage = SBKValidateInput.shared.saveImage(imageName: "imagecard\(typeCamera).png", image: image) {
            self.completionSuccessCardStep(nil, urlImage, nil)
+            self.stopCamera()
        }
    }
    //Sự kiện chụp ảnh
    @IBAction func onCapturePhoto(_ sender: Any) {
-        if (self.statusValidateImage == ValidateCard.IMAGE_FRONT && self.typeCamera == TypeCard.FRONT) || (self.statusValidateImage == .IMAGE_BACK && self.typeCamera == TypeCard.BACK) {
+        if (self.statusValidateImage == ValidateCard.IMAGE_FRONT && self.typeCamera == TypeCard.FRONT) || (self.statusValidateImage == .IMAGE_BACK && self.typeCamera == TypeCard.BACK) || self.statusValidateImage == .PASSPORT  {
            if #available(iOS 11.0, *) {
                let settings = AVCapturePhotoSettings(format: [AVVideoCodecKey: AVVideoCodecType.jpeg])
                stillImageOutput.capturePhoto(with: settings, delegate: self)
@@ -255,6 +264,8 @@ extension SBKValidateCardView: AVCaptureVideoDataOutputSampleBufferDelegate {
        connection.videoOrientation = .portrait
    }
    public func captureOutput( _ output: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection) {
        guard let imageFrameInput = CMSampleBufferGetImageBuffer(sampleBuffer) else {
            debugPrint("unable to get image from sample buffer")
@@ -273,7 +284,7 @@ extension SBKValidateCardView: AVCaptureVideoDataOutputSampleBufferDelegate {
        guard let crop = self.cropZone else {return}
        guard let imageOutput = imageFrameInput.crop(rect: crop, scale: 1.0) else {return}
        let validateImageCard = SBKValidateInput.shared.didOutput(pixelBuffer: imageOutput)
        if let overlayView = self.overlayView {
        DispatchQueue.main.async {
@@ -309,7 +320,7 @@ extension SBKValidateCardView: AVCaptureVideoDataOutputSampleBufferDelegate {
                overlayView.setBorderColor(color: UIColor.red.cgColor)
            }
-            if (self.statusValidateImage == ValidateCard.IMAGE_FRONT && self.typeCamera == .FRONT) || (self.statusValidateImage == .IMAGE_BACK && self.typeCamera == .BACK) {
+            if (self.statusValidateImage == ValidateCard.IMAGE_FRONT && self.typeCamera == .FRONT) || (self.statusValidateImage == .IMAGE_BACK && self.typeCamera == .BACK) || self.statusValidateImage == .PASSPORT {
                self.lbDescription.textColor = .green
                self.lbDescription.text = "Are you ready. Let's start!".localized()
                self.imgCaution.isHidden = true

--- a/OCR-SDK/UI/SBKCaptureCard/SBKValidateCardView.xib
+++ b/OCR-SDK/UI/SBKCaptureCard/SBKValidateCardView.xib
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="17156" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="19529" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
    <device id="retina6_1" orientation="portrait" appearance="light"/>
    <dependencies>
        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="17125"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="19519"/>
        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="System colors in document resources" minToolsVersion="11.0"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <objects>
@@ -16,6 +17,7 @@
                <outlet property="lbDescription" destination="wnG-jG-HwA" id="dai-gb-2uU"/>
                <outlet property="lbStep" destination="miZ-LC-N58" id="nFu-j2-7oT"/>
                <outlet property="viewCamera" destination="lKp-BC-igm" id="SQO-Z9-Rni"/>
+                <outlet property="viewTakePhoto" destination="Bk2-Lj-tpb" id="JLc-5I-ege"/>
            </connections>
        </placeholder>
        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
@@ -33,18 +35,18 @@
                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                    <nil key="highlightedColor"/>
                </label>
-                <imageView hidden="YES" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="Caution.png" translatesAutoresizingMaskIntoConstraints="NO" id="Uu0-ZS-WyV">
+                <imageView hidden="YES" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" image="Caution.png" translatesAutoresizingMaskIntoConstraints="NO" id="Uu0-ZS-WyV">
-                    <rect key="frame" x="147" y="649" width="120" height="32"/>
+                    <rect key="frame" x="147" y="651" width="120" height="32"/>
                    <constraints>
                        <constraint firstAttribute="width" constant="120" id="NyR-vg-E0a"/>
                        <constraint firstAttribute="height" constant="32" id="gHe-IN-Yuj"/>
                    </constraints>
                </imageView>
-                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="bMq-BQ-SN5">
+                <view contentMode="scaleToFill" ambiguous="YES" translatesAutoresizingMaskIntoConstraints="NO" id="bMq-BQ-SN5">
-                    <rect key="frame" x="173.5" y="741.5" width="67" height="20.5"/>
+                    <rect key="frame" x="174" y="743.5" width="66.5" height="20.5"/>
                    <subviews>
                        <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Step 1/3" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="miZ-LC-N58">
-                            <rect key="frame" x="10" y="3" width="47" height="14.5"/>
+                            <rect key="frame" x="10" y="3" width="46.5" height="14.5"/>
                            <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                            <fontDescription key="fontDescription" type="system" pointSize="12"/>
                            <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
@@ -64,19 +66,62 @@
                        </userDefinedRuntimeAttribute>
                    </userDefinedRuntimeAttributes>
                </view>
-                <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="0tu-Uu-aZJ">
+                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="Bk2-Lj-tpb">
-                    <rect key="frame" x="182" y="782" width="50" height="50"/>
+                    <rect key="frame" x="16" y="772" width="382" height="60"/>
+                    <subviews>
+                        <button opaque="NO" contentMode="scaleAspectFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="0tu-Uu-aZJ">
+                            <rect key="frame" x="0.0" y="0.0" width="382" height="60"/>
+                            <color key="backgroundColor" red="0.55669790509999995" green="0.57545536760000005" blue="0.93220157223147948" alpha="1" colorSpace="custom" customColorSpace="displayP3"/>
+                            <constraints>
+                                <constraint firstAttribute="height" constant="60" id="MGa-aI-9ef"/>
+                            </constraints>
+                            <inset key="titleEdgeInsets" minX="20" minY="0.0" maxX="0.0" maxY="0.0"/>
+                            <connections>
+                                <action selector="onCapturePhoto:" destination="-1" eventType="touchUpInside" id="Vg0-NJ-EOP"/>
+                            </connections>
+                        </button>
+                        <stackView hidden="YES" opaque="NO" contentMode="scaleToFill" distribution="fillEqually" spacing="10" translatesAutoresizingMaskIntoConstraints="NO" id="jhl-n8-gXe">
+                            <rect key="frame" x="0.0" y="0.0" width="382" height="60"/>
+                            <subviews>
+                                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="qlD-QQ-347">
+                                    <rect key="frame" x="0.0" y="0.0" width="186" height="60"/>
+                                    <subviews>
+                                        <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="ic_camera.png" translatesAutoresizingMaskIntoConstraints="NO" id="PNe-oO-0lf">
+                                            <rect key="frame" x="136" y="8" width="50" height="44"/>
+                                            <constraints>
+                                                <constraint firstAttribute="width" constant="50" id="Cq6-8N-XfV"/>
+                                            </constraints>
+                                        </imageView>
+                                    </subviews>
+                                    <constraints>
+                                        <constraint firstAttribute="trailing" secondItem="PNe-oO-0lf" secondAttribute="trailing" id="1Da-Ou-rv3"/>
+                                        <constraint firstItem="PNe-oO-0lf" firstAttribute="top" secondItem="qlD-QQ-347" secondAttribute="top" constant="8" id="FpC-uN-NXG"/>
+                                        <constraint firstAttribute="bottom" secondItem="PNe-oO-0lf" secondAttribute="bottom" constant="8" id="bOJ-cI-mwf"/>
+                                    </constraints>
+                                </view>
+                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Chụp" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="qXK-WY-fpY">
+                                    <rect key="frame" x="196" y="0.0" width="186" height="60"/>
+                                    <fontDescription key="fontDescription" type="system" pointSize="24"/>
+                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                    <nil key="highlightedColor"/>
+                                </label>
+                            </subviews>
+                        </stackView>
+                    </subviews>
+                    <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                    <constraints>
-                        <constraint firstAttribute="height" constant="50" id="MGa-aI-9ef"/>
+                        <constraint firstItem="jhl-n8-gXe" firstAttribute="top" secondItem="Bk2-Lj-tpb" secondAttribute="top" id="8KH-J3-kNq"/>
-                        <constraint firstAttribute="width" constant="50" id="hiM-7d-T1r"/>
+                        <constraint firstAttribute="trailing" secondItem="jhl-n8-gXe" secondAttribute="trailing" id="KCy-KA-KEj"/>
+                        <constraint firstAttribute="trailing" secondItem="0tu-Uu-aZJ" secondAttribute="trailing" id="f2R-d2-elD"/>
+                        <constraint firstAttribute="bottom" secondItem="jhl-n8-gXe" secondAttribute="bottom" id="gS6-2w-qs3"/>
+                        <constraint firstAttribute="bottom" secondItem="0tu-Uu-aZJ" secondAttribute="bottom" id="jB7-yA-4Or"/>
+                        <constraint firstItem="0tu-Uu-aZJ" firstAttribute="leading" secondItem="Bk2-Lj-tpb" secondAttribute="leading" id="lxV-7o-6li"/>
+                        <constraint firstItem="jhl-n8-gXe" firstAttribute="leading" secondItem="Bk2-Lj-tpb" secondAttribute="leading" id="rqp-Ca-IdB"/>
+                        <constraint firstItem="0tu-Uu-aZJ" firstAttribute="top" secondItem="Bk2-Lj-tpb" secondAttribute="top" id="v98-oo-7BM"/>
                    </constraints>
-                    <state key="normal" image="iconCap.png"/>
+                </view>
-                    <connections>
+                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" ambiguous="YES" text=" " textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="wnG-jG-HwA">
-                        <action selector="onCapturePhoto:" destination="-1" eventType="touchUpInside" id="Vg0-NJ-EOP"/>
+                    <rect key="frame" x="205" y="703" width="4.5" height="20.5"/>
-                    </connections>
-                </button>
-                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text=" " textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="wnG-jG-HwA">
-                    <rect key="frame" x="205" y="701" width="4.5" height="20.5"/>
                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                    <nil key="highlightedColor"/>
@@ -86,10 +131,11 @@
            <color key="backgroundColor" white="0.0" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
            <constraints>
                <constraint firstItem="bMq-BQ-SN5" firstAttribute="top" secondItem="wnG-jG-HwA" secondAttribute="bottom" constant="20" id="3RZ-t3-RxF"/>
-                <constraint firstItem="0tu-Uu-aZJ" firstAttribute="centerX" secondItem="hB9-pv-7hU" secondAttribute="centerX" id="446-x7-rap"/>
+                <constraint firstItem="Bk2-Lj-tpb" firstAttribute="leading" secondItem="hB9-pv-7hU" secondAttribute="leading" constant="16" id="722-Sw-Jce"/>
-                <constraint firstItem="0tu-Uu-aZJ" firstAttribute="top" secondItem="bMq-BQ-SN5" secondAttribute="bottom" constant="20" id="9ne-hi-Dep"/>
                <constraint firstItem="bMq-BQ-SN5" firstAttribute="centerX" secondItem="hB9-pv-7hU" secondAttribute="centerX" id="Cej-FU-Dtq"/>
+                <constraint firstItem="hB9-pv-7hU" firstAttribute="bottom" secondItem="Bk2-Lj-tpb" secondAttribute="bottom" constant="30" id="DZc-wk-Z60"/>
                <constraint firstItem="lKp-BC-igm" firstAttribute="leading" secondItem="hB9-pv-7hU" secondAttribute="leading" id="Feg-QV-jKA"/>
+                <constraint firstItem="hB9-pv-7hU" firstAttribute="trailing" secondItem="Bk2-Lj-tpb" secondAttribute="trailing" constant="16" id="KSV-Q0-yAz"/>
                <constraint firstItem="lKp-BC-igm" firstAttribute="top" secondItem="hB9-pv-7hU" secondAttribute="top" id="M7T-cU-AYs"/>
                <constraint firstItem="Uu0-ZS-WyV" firstAttribute="centerX" secondItem="hB9-pv-7hU" secondAttribute="centerX" id="RJl-D9-e7j"/>
                <constraint firstItem="hB9-pv-7hU" firstAttribute="trailing" secondItem="lKp-BC-igm" secondAttribute="trailing" id="V4W-de-wre"/>
@@ -97,14 +143,22 @@
                <constraint firstItem="hB9-pv-7hU" firstAttribute="bottom" secondItem="lKp-BC-igm" secondAttribute="bottom" id="bsH-Lw-Emb"/>
                <constraint firstItem="wnG-jG-HwA" firstAttribute="top" secondItem="Uu0-ZS-WyV" secondAttribute="bottom" constant="20" id="eIh-l6-wou"/>
                <constraint firstItem="wnG-jG-HwA" firstAttribute="centerX" secondItem="hB9-pv-7hU" secondAttribute="centerX" id="mg9-DV-NWp"/>
+                <constraint firstItem="Bk2-Lj-tpb" firstAttribute="top" secondItem="bMq-BQ-SN5" secondAttribute="bottom" constant="8" symbolic="YES" id="nPt-SA-gMF"/>
                <constraint firstItem="Yoc-45-cmQ" firstAttribute="centerX" secondItem="hB9-pv-7hU" secondAttribute="centerX" id="qpt-JY-I2K"/>
-                <constraint firstItem="hB9-pv-7hU" firstAttribute="bottom" secondItem="0tu-Uu-aZJ" secondAttribute="bottom" constant="30" id="zb1-xI-WE2"/>
            </constraints>
-            <point key="canvasLocation" x="133" y="154"/>
+            <variation key="default">
+                <mask key="subviews">
+                    <exclude reference="Bk2-Lj-tpb"/>
+                </mask>
+            </variation>
+            <point key="canvasLocation" x="131.8840579710145" y="153.34821428571428"/>
        </view>
    </objects>
    <resources>
        <image name="Caution.png" width="84.5" height="84.5"/>
-        <image name="iconCap.png" width="172" height="172"/>
+        <image name="ic_camera.png" width="512" height="512"/>
+        <systemColor name="systemBackgroundColor">
+            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+        </systemColor>
    </resources>
 </document>
--- a/OCR-SDK/UI/SBKRecordFace/SBKRecordFace.swift
+++ b/OCR-SDK/UI/SBKRecordFace/SBKRecordFace.swift
@@ -25,7 +25,7 @@ class SBKRecordFace: UIViewController, AVCaptureVideoDataOutputSampleBufferDeleg
    private let videoDataOutput = AVCaptureVideoDataOutput()
    private var modelDataHandler: SBKModelDataHandler? =
-        SBKModelDataHandler(modelFileInfo: MobileNet.modelInfo)
+        SBKModelDataHandler(modelFileInfo: MobileNet.faceModel)
    private var result: [Float]?
    private var previousInferenceTimeMs: TimeInterval = Date.distantPast.timeIntervalSince1970 * 1000
    private let delayBetweenInferencesMs: Double = 1000

--- a/OCR-SDK/UI/SBKRecordFace/SBKRecordFaceView.swift
+++ b/OCR-SDK/UI/SBKRecordFace/SBKRecordFaceView.swift
@@ -30,7 +30,7 @@ open class SBKRecordFaceView: UIView, AVCaptureVideoDataOutputSampleBufferDelega
    private lazy var previewLayer = AVCaptureVideoPreviewLayer(session: self.captureSession)
    private let videoDataOutput = AVCaptureVideoDataOutput()
-    private var modelDataHandler: SBKModelDataHandler? = SBKModelDataHandler(modelFileInfo: MobileNet.modelInfo)
+    private var modelDataHandler: SBKModelDataHandler? = SBKModelDataHandler(modelFileInfo: MobileNet.faceModel)
    private var result: [Float]?
    private var previousInferenceTimeMs: TimeInterval = Date.distantPast.timeIntervalSince1970 * 1000
    private let delayBetweenInferencesMs: Double = 1000
@@ -74,6 +74,7 @@ open class SBKRecordFaceView: UIView, AVCaptureVideoDataOutputSampleBufferDelega
        }
        self.checkScreen()
        self.loadCamera()
+        modelDataHandler?.subtract = 0
    }
    func loadViewFromNib() -> UIView? {
@@ -206,94 +207,108 @@ open class SBKRecordFaceView: UIView, AVCaptureVideoDataOutputSampleBufferDelega
    }
-    func didOutput(pixelBuffer: CVPixelBuffer, statusFace: StatusFace) {
+    func getMaxResult(result: [Float]) -> Int {
+        var max = result[0]
+        var index = 0
+        for i in 0..<result.count {
+            index = max < result[i] ? i : index
+            max = max < result[i] ? result[i] : max
+        }
+        return index
+    }
+    func didOutput(pixelBuffer: CVPixelBuffer, statusFace: StatusFace, pureImage: CVPixelBuffer) {
        let currentTimeMs = Date().timeIntervalSince1970 * 1000
        guard (currentTimeMs - previousInferenceTimeMs) >= delayBetweenInferencesMs else { return }
        previousInferenceTimeMs = currentTimeMs
        // Pass the pixel buffer to TensorFlow Lite to perform inference.
        result = modelDataHandler?.runModel(onFrame: pixelBuffer)
+        if let result = result {
-        if self.checkStatusRecord {
+            let maxResult = getMaxResult(result: result)
-            (result![0] < result![1]) ? (self.numberTrue += 1) : (self.numberFalse += 1)
+            if self.checkStatusRecord {
-            self.numberPass += 1
+                maxResult == 0 ? (self.numberTrue += 1) : (self.numberFalse += 1)
-            DispatchQueue.main.async {
+                self.numberPass += 1
-                let ciimage : CIImage = CIImage(cvPixelBuffer: pixelBuffer)
+                DispatchQueue.main.async {
-                let imageView : UIImage = SBKValidateInput.shared.convertCIToUIImage(cmage: ciimage)
+                    let ciimage : CIImage = CIImage(cvPixelBuffer: pureImage)
-                if self.result![0] < self.result![1] {
+                    let imageView : UIImage = SBKValidateInput.shared.convertCIToUIImage(cmage: ciimage)
-                    if statusFace == .STRAIGHTFACE && self.checkStep == 0 {
+                    if maxResult == 0 {
-                        if self.dataImageSuccess.count == 0 {
+                        if statusFace == .STRAIGHTFACE && self.checkStep == 0 {
-                            self.dataImageSuccess.append(imageView)
+                            if self.dataImageSuccess.count == 0 {
-                        }
+                                self.dataImageSuccess.append(imageView)
-                        self.completionSuccessFaceRecordStep(.FACE_STRAIGHT, nil, nil)
+                            }
-                        self.lbDescription.textColor = UIColor.green
+                            self.completionSuccessFaceRecordStep(.FACE_STRAIGHT, nil, nil)
-                        self.lbDescription.text = "Exactly".localized()
+                            self.lbDescription.textColor = UIColor.green
-                        self.checkStep = 1
+                            self.lbDescription.text = "Exactly".localized()
-                        self.viewCheckStep1.backgroundColor = UIColor.colorFromHexa("#FBA02E")
+                            self.checkStep = 1
-                    } else if statusFace != .STRAIGHTFACE && self.checkStep == 0 {
+                            self.viewCheckStep1.backgroundColor = UIColor.colorFromHexa("#FBA02E")
-                        self.lbDescription.textColor = UIColor.red
+                        } else if statusFace != .STRAIGHTFACE && self.checkStep == 0 {
-                        self.lbDescription.text = "Please look straight".localized()
+                            self.lbDescription.textColor = UIColor.red
-                        self.viewCheckStep1.backgroundColor = UIColor.colorFromHexa("#FE3500")
+                            self.lbDescription.text = "Please look straight".localized()
-                        self.completionSuccessFaceRecordStep(.FACE_STRAIGHT_FAILED, nil, nil)
+                            self.viewCheckStep1.backgroundColor = UIColor.colorFromHexa("#FE3500")
-                    } else if statusFace == .TORIGHT && self.checkStep == 1 {
+                            self.completionSuccessFaceRecordStep(.FACE_STRAIGHT_FAILED, nil, nil)
-                        self.lbDescription.textColor = UIColor.green
+                        } else if statusFace == .TORIGHT && self.checkStep == 1 {
-                        self.lbDescription.text = "Exactly".localized()
+                            self.lbDescription.textColor = UIColor.green
-                        self.checkStep = 2
+                            self.lbDescription.text = "Exactly".localized()
-                        self.viewCheckStep2.backgroundColor = UIColor.colorFromHexa("#FBA02E")
+                            self.checkStep = 2
-                        self.completionSuccessFaceRecordStep(.FACE_RIGHT, nil, nil)
+                            self.viewCheckStep2.backgroundColor = UIColor.colorFromHexa("#FBA02E")
-                        if self.dataImageSuccess.count == 1 {
+                            self.completionSuccessFaceRecordStep(.FACE_RIGHT, nil, nil)
-                            self.dataImageSuccess.append(imageView)
+                            if self.dataImageSuccess.count == 1 {
+                                self.dataImageSuccess.append(imageView)
+                            }
+                        } else if statusFace != .TORIGHT && self.checkStep == 1 {
+                            self.lbDescription.textColor = UIColor.red
+                            self.lbDescription.text = "Please turn to the right".localized()
+                            self.completionSuccessFaceRecordStep(.FACE_RIGHT_FAILED, nil, nil)
+                            self.viewCheckStep2.backgroundColor = UIColor.colorFromHexa("#FE3500")
+                        } else if statusFace == .TOLEFT && self.checkStep == 2 {
+                            self.lbDescription.textColor = UIColor.green
+                            self.lbDescription.text = "Exactly".localized()
+                            self.checkStep = 3
+                            self.viewCheckStep3.backgroundColor = UIColor.colorFromHexa("#FBA02E")
+                            if self.dataImageSuccess.count == 2 {
+                                self.dataImageSuccess.append(imageView)
+                            }
+                            self.completionSuccessFaceRecordStep(.FACE_LEFT, nil, nil)
+                        } else if statusFace != .TOLEFT && self.checkStep == 2 {
+                            self.lbDescription.textColor = UIColor.red
+                            self.lbDescription.text = "Please turn to the left".localized()
+                            self.completionSuccessFaceRecordStep(.FACE_LEFT_FAILED, nil, nil)
+                            self.viewCheckStep3.backgroundColor = UIColor.colorFromHexa("#FE3500")
                        }
-                    } else if statusFace != .TORIGHT && self.checkStep == 1 {
+                    } else {
                        self.lbDescription.textColor = UIColor.red
-                        self.lbDescription.text = "Please turn to the right".localized()
+                        self.lbDescription.text = "Incorrect face, please check!".localized()
-                        self.completionSuccessFaceRecordStep(.FACE_RIGHT_FAILED, nil, nil)
+                        self.completionSuccessFaceRecordStep(.FACE_FAKE, nil, nil)
-                        self.viewCheckStep2.backgroundColor = UIColor.colorFromHexa("#FE3500")
+                    }
-                    } else if statusFace == .TOLEFT && self.checkStep == 2 {
+                }
-                        self.lbDescription.textColor = UIColor.green
+            } else {
-                        self.lbDescription.text = "Exactly".localized()
+                if maxResult == 0 {
-                        self.checkStep = 3
+                    DispatchQueue.main.async {
-                        self.viewCheckStep3.backgroundColor = UIColor.colorFromHexa("#FBA02E")
+                        self.checkStartRecord = true
-                        self.completionSuccessFaceRecordStep(.FACE_LEFT, nil, nil)
+                        self.lbDescription.textColor = UIColor.white
-                        if self.dataImageSuccess.count == 2 {
+                        if !self.checkStatusRecord {
-                            self.dataImageSuccess.append(imageView)
+                            self.checkStatusRecord = true
+                            self.timeRecord = 0
+                            self.checkStep = 0
+                            self.viewCheckStep1.backgroundColor = .red
+                            self.viewCheckStep2.backgroundColor = UIColor.colorFromHexa("#333333")
+                            self.viewCheckStep3.backgroundColor = UIColor.colorFromHexa("#333333")
                        }
-                    } else if statusFace != .TOLEFT && self.checkStep == 2 {
+                        self.completionSuccessFaceRecordStep(.FACE_READY, nil, nil)
-                        self.lbDescription.textColor = UIColor.red
-                        self.lbDescription.text = "Please turn to the left".localized()
-                        self.completionSuccessFaceRecordStep(.FACE_LEFT_FAILED, nil, nil)
-                        self.viewCheckStep3.backgroundColor = UIColor.colorFromHexa("#FE3500")
                    }
                } else {
-                    self.lbDescription.textColor = UIColor.red
+                    DispatchQueue.main.async {
-                    self.lbDescription.text = "Incorrect face, please check!".localized()
+                        self.checkStartRecord = false
-                    self.completionSuccessFaceRecordStep(.FACE_FAKE, nil, nil)
+                        self.lbDescription.textColor = UIColor.red
-                }
+                        self.lbDescription.text = "Incorrect face, please check!".localized()
-            }
+                        self.completionSuccessFaceRecordStep(.FACE_FAKE, nil, nil)
-        } else {
-            if result![0] < result![1] {
-                DispatchQueue.main.async {
-                    self.checkStartRecord = true
-                    self.lbDescription.textColor = UIColor.white
-                    if !self.checkStatusRecord {
-                        self.checkStatusRecord = true
-                        self.timeRecord = 0
-                        self.checkStep = 0
-                        self.viewCheckStep1.backgroundColor = .red
-                        self.viewCheckStep2.backgroundColor = UIColor.colorFromHexa("#333333")
-                        self.viewCheckStep3.backgroundColor = UIColor.colorFromHexa("#333333")
                    }
-                    self.completionSuccessFaceRecordStep(.FACE_READY, nil, nil)
-                }
-            } else {
-                DispatchQueue.main.async {
-                    self.checkStartRecord = false
-                    self.lbDescription.textColor = UIColor.red
-                    self.lbDescription.text = "Incorrect face, please check!".localized()
-                    self.completionSuccessFaceRecordStep(.FACE_FAKE, nil, nil)
                }
            }
        }
    }
    @IBAction func onRecord(_ sender: Any) {
@@ -312,19 +327,20 @@ open class SBKRecordFaceView: UIView, AVCaptureVideoDataOutputSampleBufferDelega
            debugPrint("unable to get image from sample buffer")
            return
        }
+        let pureImage = self.resizeImageFace(pixelBuffer: frame)
        if self.startusCheck {
            if #available(iOS 11.0, *)   {
                if self.screenHeight == 2436 {
-                    self.detectFace(in: self.resizeImageFace(pixelBuffer: frame.resized(to: CGSize(width: 360, height: 480))!))
+                    self.detectFace(in: self.resizeImageFace(pixelBuffer: frame.resized(to: CGSize(width: 360, height: 480))!), pureImage: pureImage)
                } else {
-                    self.detectFace(in: self.resizeImageFace(pixelBuffer: frame))
+                    self.detectFace(in: pureImage, pureImage: pureImage)
                }
            }
        }
    }
    func checkScreen(){
        if UIDevice().userInterfaceIdiom == .phone {
            self.screenHeight = UIScreen.main.nativeBounds.height
@@ -406,7 +422,7 @@ open class SBKRecordFaceView: UIView, AVCaptureVideoDataOutputSampleBufferDelega
    }
    @available(iOS 11.0, *)
-    private func detectFace(in image: CVPixelBuffer) {
+    private func detectFace(in image: CVPixelBuffer, pureImage: CVPixelBuffer) {
        let faceDetectionRequest = VNDetectFaceLandmarksRequest(completionHandler: { (request: VNRequest, error: Error?) in
            DispatchQueue.main.async {
                DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
@@ -423,7 +439,7 @@ open class SBKRecordFaceView: UIView, AVCaptureVideoDataOutputSampleBufferDelega
                                self.startTimer()
                                DispatchQueue.global().async {
-                                    self.didOutput(pixelBuffer: image, statusFace: statusString)
+                                    self.didOutput(pixelBuffer: image, statusFace: statusString, pureImage: pureImage)
                                }
                            }
                        } else {
@@ -437,7 +453,7 @@ open class SBKRecordFaceView: UIView, AVCaptureVideoDataOutputSampleBufferDelega
                                self.lbDescription.text = "Incorrect face, please check!".localized()
                                DispatchQueue.global().async {
-                                    self.didOutput(pixelBuffer: image, statusFace: .ERROR)
+                                    self.didOutput(pixelBuffer: image, statusFace: .ERROR, pureImage: pureImage)
                                }
                            }
                        }

--- a/OCR-SDK/Utils/.DS_Store
+++ b/OCR-SDK/Utils/.DS_Store
--- a/OCR-SDK/Utils/SBValidateInput.swift
+++ b/OCR-SDK/Utils/SBValidateInput.swift
@@ -14,9 +14,13 @@ class SBKValidateInput {
    static let shared = SBKValidateInput()
    var modelDataHandler: SBKModelDataHandler? = SBKModelDataHandler(modelFileInfo: MobileNet.cardModel)
-    var modelDataFaceHandler: SBKModelDataHandler? = SBKModelDataHandler(modelFileInfo: MobileNet.modelInfo)
+    var modelDataFaceHandler: SBKModelDataHandler? = SBKModelDataHandler(modelFileInfo: MobileNet.faceModel)
    public typealias CompletionHandle = (_ data: Bool) -> Void
+    init(){
+        modelDataHandler?.inputWidth = 280
+        modelDataHandler?.inputHeight = 210
+        modelDataHandler?.subtract = 0
+    }
    func validateCard(imageInput: UIImage) -> Int {
        let ciimage = CIImage(image: imageInput)
@@ -56,24 +60,23 @@ class SBKValidateInput {
        let currentTimeMs = Date().timeIntervalSince1970 * 1000
        guard (currentTimeMs - previousInferenceTimeMs) >= delayBetweenInferencesMs else { return .ERROR }
        previousInferenceTimeMs = currentTimeMs
+         result = modelDataHandler?.runModel(onFrame: pixelBuffer)
-        result = modelDataHandler?.runModel(onFrame: pixelBuffer)
        if result == nil {
            return .ERROR
        }
-        switch self.getResultCard(result: result!) {
+        let max = getResultCard(result: result!)
+        let total = result!.reduce(0, +)
+        switch max {
        case 0:
            return .IMAGE_FAKE
-        case 1:
+        case 1, 3, 17:
            return .IMAGE_FRONT
-        case 2:
+        case 2, 4, 18:
            return .IMAGE_BACK
-        case 3:
+        case 25:
            return .PASSPORT
-        case 4,5,6,7,8,9:
-            return .IMAGE_FAKE
        default:
-            return .ERROR
+            return .IMAGE_FAKE
        }
    }
@@ -97,12 +100,17 @@ class SBKValidateInput {
        previousInferenceTimeMs = currentTimeMs
        // Pass the pixel buffer to TensorFlow Lite to perform inference.
-        result = modelDataFaceHandler?.runModel(onFrame: pixelBuffer)
+         result = modelDataHandler?.runModel(onFrame: pixelBuffer)
-        if result![0] < result![1] {
+        if result != nil {
+           let max = getResultCard(result: result!)
+        if max == 0 {
            return true
        } else {
            return false
        }
+        } else {
+            return false
+        }
    }
    func comvertUIImageToCVPixel(imageInput: UIImage) -> CVPixelBuffer {
@@ -172,19 +180,6 @@ class SBKValidateInput {
        }
    }
-    //Xử lý ảnh hiển thị
-//    func cropImage(image: UIImage, rect: CGRect, scale: CGFloat) -> UIImage? {
-//        let imageCap = image
-//
-//        let widthCrop = imageCap.size.width - imageCap.size.width / 10
-//
-//        UIGraphicsBeginImageContextWithOptions(CGSize(width: widthCrop, height: widthCrop * 3 / 4), true, 0.0)
-//        image.draw(at: CGPoint(x: -rect.origin.x / scale, y: -rect.origin.y / scale))
-//        let croppedImage = UIGraphicsGetImageFromCurrentImageContext()
-//        UIGraphicsEndImageContext()
-//        return croppedImage
-//    }
    func cropImage(image: UIImage, rect: CGRect, scale: CGFloat) -> UIImage? {
         let imageCap = image
@@ -222,6 +217,7 @@ class SBKValidateInput {
            return croppedImage
        }
    func saveImage(imageName: String, image: UIImage) -> String? {
        guard let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { return nil }
        let fileName = imageName
@@ -230,7 +226,6 @@ class SBKValidateInput {
        if FileManager.default.fileExists(atPath: fileURL.path) {
            do {
                try FileManager.default.removeItem(atPath: fileURL.path)
-                print("Removed old image")
            } catch let removeError {
                print("couldn't remove file at path", removeError)
            }

--- a/OCR-SDK/Utils/image/.DS_Store
+++ b/OCR-SDK/Utils/image/.DS_Store
--- a/OCR-SDK/Utils/image/ic_camera.png
+++ b/OCR-SDK/Utils/image/ic_camera.png
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -21,4 +21,4 @@ SPEC CHECKSUMS:
 PODFILE CHECKSUM: 5d1bc9d5125d5fec48a2110d5d6596947a9bac74
-COCOAPODS: 1.10.2
+COCOAPODS: 1.11.2
--- a/Pods/Manifest.lock
+++ b/Pods/Manifest.lock
@@ -21,4 +21,4 @@ SPEC CHECKSUMS:
 PODFILE CHECKSUM: 5d1bc9d5125d5fec48a2110d5d6596947a9bac74
-COCOAPODS: 1.10.2
+COCOAPODS: 1.11.2
--- a/Pods/Pods.xcodeproj/project.pbxproj
+++ b/Pods/Pods.xcodeproj/project.pbxproj
@@ -19,42 +19,42 @@
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+		14EF6CE57AF79DF3DF9DDEF552DBCE07 /* Model.swift in Sources */ = {isa = PBXBuildFile; fileRef = 561F721947FF13763E2BFBD88E1D17D4 /* Model.swift */; };
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 /* Begin PBXContainerItemProxy section */
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 			proxyType = 1;
-			remoteGlobalIDString = AC559E53E13B6FBEF4F5CC310A73AFE6;
+			remoteGlobalIDString = 10418167F619D6DA72BADAD10F9EC02B;
-			remoteInfo = TensorFlowLiteC;
+			remoteInfo = TensorFlowLiteSwift;
 		};
-		74A713F5EF5E6AC9BBF4B0F890C83299 /* PBXContainerItemProxy */ = {
+		59EA02C48415F2680BE281A5B06A3743 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = BFDFE7DC352907FC980B868725387E98 /* Project object */;
 			proxyType = 1;
 			remoteGlobalIDString = AC559E53E13B6FBEF4F5CC310A73AFE6;
 			remoteInfo = TensorFlowLiteC;
 		};
-		95F66FC5DE60D6FA2B1A8FB0A7BA488B /* PBXContainerItemProxy */ = {
+		64214CA206765D231785F6D5C183A7FF /* PBXContainerItemProxy */ = {
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 			containerPortal = BFDFE7DC352907FC980B868725387E98 /* Project object */;
 			proxyType = 1;
-			remoteGlobalIDString = 10418167F619D6DA72BADAD10F9EC02B;
+			remoteGlobalIDString = AC559E53E13B6FBEF4F5CC310A73AFE6;
-			remoteInfo = TensorFlowLiteSwift;
+			remoteInfo = TensorFlowLiteC;
 		};
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@@ -65,7 +65,7 @@
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 			buildConfigurations = (
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--- a/Pods/Target Support Files/Pods-OCR-SDK/Pods-OCR-SDK.debug.xcconfig
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