org.opencv.core.KeyPoint类的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中org.opencv.core.KeyPoint类的一些代码示例，展示了KeyPoint类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。KeyPoint类的具体详情如下：
包路径：org.opencv.core.KeyPoint
类名称：KeyPoint

KeyPoint介绍

暂无

代码示例

代码示例来源：origin: openpnp/openpnp

private static KeyPoint convertToKeyPoint(Object keyPointHolder) throws Exception {
    if (keyPointHolder instanceof Result.Circle) {
      Result.Circle circle = (Result.Circle) keyPointHolder;
      return new KeyPoint((float) circle.x, (float) circle.y, (float) circle.diameter);
    }
    else if (keyPointHolder instanceof Point) {
      Point point = (Point) keyPointHolder;
      return new KeyPoint((float) point.x, (float) point.y, 0);
    }
    else if (keyPointHolder instanceof RotatedRect) {
      RotatedRect rotatedRect = (RotatedRect) keyPointHolder;
      return new KeyPoint((float) rotatedRect.center.x, (float) rotatedRect.center.y, 0,
          (float) rotatedRect.angle);
    }
    else if (keyPointHolder instanceof TemplateMatch) {
      TemplateMatch templateMatch = (TemplateMatch) keyPointHolder;
      float width = (float) templateMatch.width;
      float height = (float) templateMatch.height;
      float x = (float) templateMatch.x + (width / 2);
      float y = (float) templateMatch.y + (height / 2);
      float score = (float) templateMatch.score;
      return new KeyPoint(x, y, width + height, score);
    }
    else {
      throw new Exception("Don't know how to convert " + keyPointHolder + "to KeyPoint.");
    }
  }
}

代码示例来源：origin: kongqw/OpenCVForAndroid

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: leadrien/opencv_native_androidstudio

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: farkam135/GoIV

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: imistyrain/EasyPR4Android

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: tz28/Chinese-number-gestures-recognition

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: InnoFang/Android-Code-Demos

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: SOFTPOWER1991/OpenCVCheck

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: SouvDc/face-detection

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: hschott/Camdroid

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: DuckDeck/AndroidDemo

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: nroduit/Weasis

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: ctodobom/OpenCV-3.1.0-Android

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: akshika47/OpencvAndroid

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: raulh82vlc/Image-Detection-Samples

public KeyPoint[] toArray() {
  int num = (int) total();
  KeyPoint[] a = new KeyPoint[num];
  if(num == 0)
    return a;
  float buff[] = new float[num * _channels];
  get(0, 0, buff); //TODO: check ret val!
  for(int i=0; i<num; i++)
    a[i] = new KeyPoint( buff[_channels*i+0], buff[_channels*i+1], buff[_channels*i+2], buff[_channels*i+3],
               buff[_channels*i+4], (int) buff[_channels*i+5], (int) buff[_channels*i+6] );
  return a;
}

代码示例来源：origin: akshika47/OpencvAndroid

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
  if (kps == null)
    throw new java.lang.IllegalArgumentException("Output List can't be null");
  int count = m.rows();
  if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
    throw new java.lang.IllegalArgumentException(
        "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);
  kps.clear();
  double[] buff = new double[7 * count];
  m.get(0, 0, buff);
  for (int i = 0; i < count; i++) {
    kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
        (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
  }
}

代码示例来源：origin: raulh82vlc/Image-Detection-Samples

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
  if (kps == null)
    throw new java.lang.IllegalArgumentException("Output List can't be null");
  int count = m.rows();
  if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
    throw new java.lang.IllegalArgumentException(
        "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);
  kps.clear();
  double[] buff = new double[7 * count];
  m.get(0, 0, buff);
  for (int i = 0; i < count; i++) {
    kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
        (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
  }
}

代码示例来源：origin: kongqw/OpenCVForAndroid

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
  if (kps == null)
    throw new java.lang.IllegalArgumentException("Output List can't be null");
  int count = m.rows();
  if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
    throw new java.lang.IllegalArgumentException(
        "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);
  kps.clear();
  double[] buff = new double[7 * count];
  m.get(0, 0, buff);
  for (int i = 0; i < count; i++) {
    kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
        (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
  }
}

代码示例来源：origin: DuckDeck/AndroidDemo

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
  if (kps == null)
    throw new java.lang.IllegalArgumentException("Output List can't be null");
  int count = m.rows();
  if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
    throw new java.lang.IllegalArgumentException(
        "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);
  kps.clear();
  double[] buff = new double[7 * count];
  m.get(0, 0, buff);
  for (int i = 0; i < count; i++) {
    kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
        (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
  }
}

代码示例来源：origin: farkam135/GoIV

public static void Mat_to_vector_KeyPoint(Mat m, List<KeyPoint> kps) {
  if (kps == null)
    throw new java.lang.IllegalArgumentException("Output List can't be null");
  int count = m.rows();
  if (CvType.CV_64FC(7) != m.type() || m.cols() != 1)
    throw new java.lang.IllegalArgumentException(
        "CvType.CV_64FC(7) != m.type() ||  m.cols()!=1\n" + m);
  kps.clear();
  double[] buff = new double[7 * count];
  m.get(0, 0, buff);
  for (int i = 0; i < count; i++) {
    kps.add(new KeyPoint((float) buff[7 * i], (float) buff[7 * i + 1], (float) buff[7 * i + 2], (float) buff[7 * i + 3],
        (float) buff[7 * i + 4], (int) buff[7 * i + 5], (int) buff[7 * i + 6]));
  }
}

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