org.opencv.features2d.KeyPoint.<init>()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中org.opencv.features2d.KeyPoint.<init>()方法的一些代码示例，展示了KeyPoint.<init>()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.<init>()方法的具体详情如下：
包路径：org.opencv.features2d.KeyPoint
类名称：KeyPoint
方法名：<init>

KeyPoint.<init>介绍

[英]The keypoint constructors
[中]关键点构造函数

代码示例

代码示例来源：origin: com.sikulix/sikulixapi

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: ytai/IOIOPlotter

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: nu.pattern/opencv

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: abhn/marvel

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: jtsky/EasyPR_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: stackoverflow.com

import com.googlecode.javacv.cpp.opencv_core.CvMat;
import com.googlecode.javacv.cpp.opencv_features2d.FeatureDetector;
import com.googlecode.javacv.cpp.opencv_features2d.KeyPoint;
import com.googlecode.javacv.cpp.opencv_nonfree.SIFT;

import static com.googlecode.javacv.cpp.opencv_highgui.cvLoadImageM;
public class any {
public static void main(String args[])
{
final CvMat image1 = cvLoadImageM("C:/temp/316.jpg" , 0);

  final CvMat image2 = cvLoadImageM("C:/temp/330.jpg", 0);
  if(image1==null)
  System.out.println("image is null");
if(image2==null)
  System.out.println("image is null");

SIFT  sift = new SIFT();
FeatureDetector featureDetector =sift.getFeatureDetector();
KeyPoint keypoint1 = new KeyPoint();
KeyPoint keypoint2 = new KeyPoint() ;
featureDetector.detect(image1, keypoint1 , null);
featureDetector.detect(image2,keypoint2, null);
System.out.println(keypoint1);
}
}

代码示例来源：origin: com.sikulix/sikulixapi

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: abhn/marvel

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: nu.pattern/opencv

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: ytai/IOIOPlotter

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: jtsky/EasyPR_Android

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: stackoverflow.com

KeyPoint kp = new KeyPoint();

代码示例来源：origin: stackoverflow.com

KeyPoint kp = new KeyPoint();

代码示例来源：origin: stackoverflow.com

KeyPoint impKeyPoint = new KeyPoint();
  KeyPoint tempKeyPoint = new KeyPoint();
  tempKeyPoint = impKeyPoint;
  tempKeyPoint.size = 120;
  KeyPoint tempKeyPoint = new KeyPoint();
  tempKeyPoint = impKeyPoint;
  tempKeyPoint.size = 120;

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