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@waldemarnt
Last active August 29, 2015 14:10
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Example of template javacv (opencv) template matching using the last java build
package javacv;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.io.File;
import java.net.URL;
import java.rmi.server.RemoteObjectInvocationHandler;
import javax.naming.Context;
import javax.swing.ImageIcon;
import org.bytedeco.javacv.*;
import org.bytedeco.javacpp.*;
import static org.bytedeco.javacpp.opencv_core.*;
import static org.bytedeco.javacpp.opencv_imgproc.*;
import static org.bytedeco.javacpp.opencv_calib3d.*;
import static org.bytedeco.javacpp.opencv_objdetect.*;
import static org.bytedeco.javacpp.opencv_core.*;
import static org.bytedeco.javacpp.opencv_highgui.*;
import static org.bytedeco.javacpp.opencv_imgproc.*;
import static org.bytedeco.javacpp.opencv_core.cvSetImageROI;
import static org.bytedeco.javacpp.opencv_core.cvMinMaxLoc;
import org.bytedeco.javacpp.opencv_core.CvRect;
public class Test {
static Image image;
public static void main(String[] args) throws Exception {
int width = Integer.parseInt(args[3]);
int height = Integer.parseInt(args[4]);
IplImage src = cvLoadImage(
args[0], 0);
IplImage tmp = cvLoadImage(
args[1], 0);
IplImage result = cvCreateImage(
cvSize(src.width() - tmp.width() + 1,
src.height() - tmp.height() + 1), IPL_DEPTH_32F, src.nChannels());
cvZero(result);
// Match Template Function from OpenCV
cvMatchTemplate(src, tmp, result, CV_TM_CCORR_NORMED);
// double[] min_val = new double[2];
// double[] max_val = new double[2];
DoublePointer min_val = new DoublePointer();
DoublePointer max_val = new DoublePointer();
CvPoint minLoc = new CvPoint();
CvPoint maxLoc = new CvPoint();
cvMinMaxLoc(result, min_val, max_val, minLoc, maxLoc, null);
// Get the Max or Min Correlation Value
// System.out.println(Arrays.toString(min_val));
// System.out.println(Arrays.toString(max_val));
CvPoint point = new CvPoint();
point.x(maxLoc.x() + tmp.width());
point.y(maxLoc.y() + tmp.height());
// cvMinMaxLoc(src, min_val, max_val,0,0,result);
cvRectangle(src, maxLoc, point, CvScalar.RED, 2, 8, 0);// Draw a
// Rectangle for
// Matched
// Region
CvRect rect = new CvRect();
rect.x(maxLoc.x());
rect.y(maxLoc.y());
rect.width(tmp.width() + width);
rect.height(tmp.width() + height);
cvSetImageROI(src, rect);
IplImage imageNew = cvCreateImage(cvGetSize(src), src.depth(),
src.nChannels());
cvCopy(src, imageNew);
cvSaveImage(args[2], imageNew);
cvShowImage("Lena Image", src);
cvWaitKey(0);
cvReleaseImage(src);
cvReleaseImage(tmp);
cvReleaseImage(result);
}
}
@waldemarnt
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we need 4 default parameters like this
"C:\Users\Waldema\Desktop\bg.jpg" "C:\Users\Waldema\Desktop\logosiemens.jpg" "C:\Users\Waldema\Desktop\imageToFind.jpg" 100 200

configure in the Run configurations

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