我在计算SIFT检测器找到的关键点的ORB描述符时遇到很大问题。如果我尝试运行一个简单的示例程序,整个系统都会冻结,我无法弄清楚原因。示例代码如下:用于SIFT关键点的JavaCV计算ORB描述符
import static com.googlecode.javacv.cpp.opencv_highgui.cvLoadImageM;
import com.googlecode.javacv.cpp.opencv_core.CvMat;
import com.googlecode.javacv.cpp.opencv_features2d.DescriptorExtractor;
import com.googlecode.javacv.cpp.opencv_features2d.FeatureDetector;
import com.googlecode.javacv.cpp.opencv_features2d.KeyPoint;
import com.googlecode.javacv.cpp.opencv_features2d.ORB;
import com.googlecode.javacv.cpp.opencv_nonfree.SIFT;
public class DescriptorTest {
public static void main(String[] args) {
SIFT sift = new SIFT(0, 3, 0.04, 10, 1.6);
FeatureDetector detector = sift.getFeatureDetector();
ORB orb_descriptor = new ORB(500, 1.2f, 8, 31, 0, 2, 0, 31);
DescriptorExtractor descriptor = orb_descriptor.getDescriptorExtractor();
CvMat image = cvLoadImageM("res/dvd_009_ref.jpg");
KeyPoint keypoints = new KeyPoint();
CvMat descriptors = new CvMat(null);
detector.detect(image, keypoints, null);
System.out.println("Keypoints found: "+ keypoints.capacity());
descriptor.compute(image, keypoints, descriptors);
System.out.println("Descriptors calculated: "+descriptors.rows());
}
}
有没有人有一个想法是什么问题?将是伟大的:)