Class FaceRecognizerSF

java.lang.Object
org.opencv.objdetect.FaceRecognizerSF
public class FaceRecognizerSF extends Object
DNN-based face recognizer model download link: https://github.com/opencv/opencv_zoo/tree/master/models/face_recognition_sface

  • Field Details

  • Constructor Details

    • FaceRecognizerSF

      protected FaceRecognizerSF(long addr)

  • Method Details

    • getNativeObjAddr

      public long getNativeObjAddr()

    • __fromPtr__

      public static FaceRecognizerSF __fromPtr__(long addr)

    • alignCrop

      public void alignCrop(Mat src_img, Mat face_box, Mat aligned_img)
      Aligns detected face with the source input image and crops it
      Parameters:
      src_img - input image
      face_box - the detected face result from the input image
      aligned_img - output aligned image

    • feature

      public void feature(Mat aligned_img, Mat face_feature)
      Extracts face feature from aligned image
      Parameters:
      aligned_img - input aligned image
      face_feature - output face feature

    • match

      public double match(Mat face_feature1, Mat face_feature2, int dis_type)
      Calculates the distance between two face features
      Parameters:
      face_feature1 - the first input feature
      face_feature2 - the second input feature of the same size and the same type as face_feature1
      dis_type - defines how to calculate the distance between two face features with optional values "FR_COSINE" or "FR_NORM_L2"
      Returns:
      automatically generated

    • match

      public double match(Mat face_feature1, Mat face_feature2)
      Calculates the distance between two face features
      Parameters:
      face_feature1 - the first input feature
      face_feature2 - the second input feature of the same size and the same type as face_feature1
      Returns:
      automatically generated

    • create

      public static FaceRecognizerSF create(String model, String config, int backend_id, int target_id)
      Creates an instance of this class with given parameters
      Parameters:
      model - the path of the onnx model used for face recognition
      config - the path to the config file for compatibility, which is not requested for ONNX models
      backend_id - the id of backend
      target_id - the id of target device
      Returns:
      automatically generated

    • create

      public static FaceRecognizerSF create(String model, String config, int backend_id)
      Creates an instance of this class with given parameters
      Parameters:
      model - the path of the onnx model used for face recognition
      config - the path to the config file for compatibility, which is not requested for ONNX models
      backend_id - the id of backend
      Returns:
      automatically generated

    • create

      public static FaceRecognizerSF create(String model, String config)
      Creates an instance of this class with given parameters
      Parameters:
      model - the path of the onnx model used for face recognition
      config - the path to the config file for compatibility, which is not requested for ONNX models
      Returns:
      automatically generated

    • create

      public static FaceRecognizerSF create(String framework, MatOfByte bufferModel, MatOfByte bufferConfig, int backend_id, int target_id)
      Creates an instance of this class from a buffer containing the model weights and configuration.
      Parameters:
      framework - Name of the framework (ONNX, etc.)
      bufferModel - A buffer containing the binary model weights.
      bufferConfig - A buffer containing the network configuration.
      backend_id - The id of the backend.
      target_id - The id of the target device.
      Returns:
      A pointer to the created instance of FaceRecognizerSF.

    • create

      public static FaceRecognizerSF create(String framework, MatOfByte bufferModel, MatOfByte bufferConfig, int backend_id)
      Creates an instance of this class from a buffer containing the model weights and configuration.
      Parameters:
      framework - Name of the framework (ONNX, etc.)
      bufferModel - A buffer containing the binary model weights.
      bufferConfig - A buffer containing the network configuration.
      backend_id - The id of the backend.
      Returns:
      A pointer to the created instance of FaceRecognizerSF.

    • create

      public static FaceRecognizerSF create(String framework, MatOfByte bufferModel, MatOfByte bufferConfig)
      Creates an instance of this class from a buffer containing the model weights and configuration.
      Parameters:
      framework - Name of the framework (ONNX, etc.)
      bufferModel - A buffer containing the binary model weights.
      bufferConfig - A buffer containing the network configuration.
      Returns:
      A pointer to the created instance of FaceRecognizerSF.