refine code.

Source/Preprocessor.swift

@@ -181,7 +181,7 @@ public extension Preprocessor where T: CIImage {
  ///
  /// - parameter result: resize分割后单个字的size
  /// - parameter adjustment: 是否对调整分割后的图片
-  /// - parameter debugger: 返回每一步的处理结果
+ /// - parameter debugger: 返回每一步的处理结果
  ///
  /// - returns: 返回分割结果
  ///
@@ -208,12 +208,17 @@ public extension Preprocessor where T: CIImage {
  let rect = c.boundingBox.scaled(to: ciImage.extent.size)
 
  var image = ciImage.cropped(to: rect)
-  .transformed(by: CGAffineTransform(translationX: -rect.origin.x, y: -rect.origin.y))
+ .transformed(by: CGAffineTransform(translationX: -rect.origin.x, y: -rect.origin.y))
  if let size = resize {
  // 将文字切割出来 缩放到`size`
  image = image.resize(size)
  }
-
+ // if adjustment {
+ // image = SmoothThresholdFilter(image, inputEdgeO: 0.15, inputEdge1: 0.9).outputImage ?? image
+ // debugger?(image)
+ // image = AdaptiveThresholdFilter(image).outputImage ?? image
+ // debugger?(image)
+ // }
  debugger?(image)
  results.append(Value(image, rect))
  }
@@ -226,7 +231,7 @@ public extension Preprocessor where T: CIImage {
  ///
  ///
  public func croppedMaxRectangle() -> CorpMaxRectangleResult {
-
+ 
  let request = VNDetectRectanglesRequest()
  let handler = VNImageRequestHandler(ciImage: image, options: [:])
 
@@ -247,12 +252,12 @@ public extension Preprocessor where T: CIImage {
  }
 
  return image.preprocessor.perspectiveCorrection(boundingBox: maxObservation.boundingBox,
-  topLeft: maxObservation.topLeft,
-  topRight: maxObservation.topRight,
-  bottomLeft: maxObservation.bottomLeft,
-  bottomRight: maxObservation.bottomRight)
+ topLeft: maxObservation.topLeft,
+ topRight: maxObservation.topRight,
+ bottomLeft: maxObservation.bottomLeft,
+ bottomRight: maxObservation.bottomRight)
  }
-
+ 
  /// 根据脸部信息矫正图片，确认脸部正面向上👆
  ///
  ///
@@ -276,7 +281,7 @@ public extension Preprocessor where T: CIImage {
  orientation = .left
  }
  }
- } 
+ }
  } else if orientation == .up && faceFeatures.count == 0 {
  orientation = .down
  faceFeatures = detector.features(in: image, options: [CIDetectorImageOrientation: orientation.rawValue])
@@ -326,3 +331,4 @@ public extension Preprocessor where T: CIImage {
  return .failure(.notFound)
  }
 }
+

Source/Recognizer.swift

@@ -142,14 +142,20 @@ public extension Valueable where T == Value {
  guard let image = value?.image else {
  return .failure(.notFound)
  }
+ return .success(image.cropChineseIDCardNumberArea())
+ }
+}
+
+public extension CIImage {
+ public func cropChineseIDCardNumberArea() -> Value {
  // 截取 数字区
  // 按照真实比例截取，身份证号码区
- let x = image.extent.width * 0.33
- let y = image.extent.height * 0
- let w = image.extent.width * 0.63
- let h = image.extent.height * 0.25
+ let x = extent.width * 0.33
+ let y = extent.height * 0
+ let w = extent.width * 0.63
+ let h = extent.height * 0.25
  let rect = CGRect(x: x, y: y, width: w, height: h)
- return .success(Value(image.cropped(to: rect).transformed(by: CGAffineTransform(translationX: -x, y: -y)), rect))
+ return Value(cropped(to: rect).transformed(by: CGAffineTransform(translationX: -x, y: -y)), rect)
  }
 }