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* Add
Java2DFrameConverter and OpenCVFrameConverter, and use the…
…m to refactor `Frame`, `CanvasFrame`, `FrameGrabber`, and `FrameRecorder` in a way to help users reduce coupling with Java 2D or OpenCV (issue bytedeco#84)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,84 +1,68 @@ | ||
| /* | ||
| * To change this license header, choose License Headers in Project Properties. | ||
| * To change this template file, choose Tools | Templates | ||
| * and open the template in the editor. | ||
| * Just an example using the opencv to make a colored object tracking, | ||
| * i adpted this code to bytedeco/javacv, i think this will help some people. | ||
| * | ||
| * Waldemar <[email protected]> | ||
| */ | ||
| package javacv; | ||
|
|
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| import static org.bytedeco.javacpp.opencv_core.IPL_DEPTH_8U; | ||
| import static org.bytedeco.javacpp.opencv_core.cvCreateImage; | ||
| import static org.bytedeco.javacpp.opencv_core.cvFlip; | ||
| import static org.bytedeco.javacpp.opencv_core.cvGetSize; | ||
| import static org.bytedeco.javacpp.opencv_core.cvInRangeS; | ||
| import static org.bytedeco.javacpp.opencv_core.cvScalar; | ||
| import static org.bytedeco.javacpp.opencv_highgui.cvSaveImage; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.CV_BGR2GRAY; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.CV_MEDIAN; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.cvCvtColor; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.cvEqualizeHist; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.cvGetCentralMoment; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.cvGetSpatialMoment; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.cvMoments; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.cvSmooth; | ||
|
|
||
| import java.awt.Color; | ||
| import java.awt.Graphics; | ||
| import java.awt.image.BufferedImage; | ||
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| import javax.swing.JPanel; | ||
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| import org.bytedeco.javacpp.opencv_core.CvScalar; | ||
| import org.bytedeco.javacpp.opencv_core.IplImage; | ||
| import org.bytedeco.javacpp.opencv_imgproc.CvMoments; | ||
| import org.bytedeco.javacv.CanvasFrame; | ||
| import org.bytedeco.javacv.FrameGrabber; | ||
| import org.bytedeco.javacv.VideoInputFrameGrabber; | ||
|
|
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| import org.bytedeco.javacv.Java2DFrameConverter; | ||
| import org.bytedeco.javacv.OpenCVFrameConverter; | ||
|
|
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| import static org.bytedeco.javacpp.opencv_core.*; | ||
| import static org.bytedeco.javacpp.opencv_highgui.*; | ||
| import static org.bytedeco.javacpp.opencv_imgproc.*; | ||
|
|
||
| public class ColoredObjectTrack implements Runnable { | ||
|
|
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| public static void main(String[] args) { | ||
| public static void main(String[] args) { | ||
| ColoredObjectTrack cot = new ColoredObjectTrack(); | ||
| Thread th = new Thread(cot); | ||
| th.start(); | ||
| } | ||
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| final int INTERVAL = 10;// 1sec | ||
| final int CAMERA_NUM = 0; // Default camera for this time | ||
|
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| /** | ||
| * Correct the color range- it depends upon the object, camera quality, | ||
| * environment. | ||
| */ | ||
| static CvScalar rgba_min = cvScalar(0, 0, 130, 0);// RED wide dabur birko | ||
| static CvScalar rgba_max = cvScalar(80, 80, 255, 0); | ||
|
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| IplImage image; | ||
| CanvasFrame canvas = new CanvasFrame("Web Cam Live"); | ||
| CanvasFrame path = new CanvasFrame("Detection"); | ||
| int ii = 0; | ||
| JPanel jp = new JPanel(); | ||
|
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| public ColoredObjectTrack() { | ||
| canvas.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE); | ||
| path.setDefaultCloseOperation(javax.swing.JFrame.EXIT_ON_CLOSE); | ||
| path.setContentPane(jp); | ||
| } | ||
|
|
||
| @Override | ||
| public void run() { | ||
| FrameGrabber grabber = new VideoInputFrameGrabber(CAMERA_NUM); | ||
| try { | ||
| FrameGrabber grabber = FrameGrabber.createDefault(CAMERA_NUM); | ||
| OpenCVFrameConverter.ToIplImage converter = new OpenCVFrameConverter.ToIplImage(); | ||
| grabber.start(); | ||
| IplImage img; | ||
| int posX = 0; | ||
| int posY = 0; | ||
| while (true) { | ||
| img = grabber.grab(); | ||
| img = converter.convert(grabber.grab()); | ||
| if (img != null) { | ||
| // show image on window | ||
| cvFlip(img, img, 1);// l-r = 90_degrees_steps_anti_clockwise | ||
| canvas.showImage(img); | ||
| canvas.showImage(converter.convert(img)); | ||
| IplImage detectThrs = getThresholdImage(img); | ||
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| CvMoments moments = new CvMoments(); | ||
|
|
@@ -98,7 +82,7 @@ public void run() { | |
| } catch (Exception e) { | ||
| } | ||
| } | ||
|
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| private void paint(IplImage img, int posX, int posY) { | ||
| Graphics g = jp.getGraphics(); | ||
| path.setSize(img.width(), img.height()); | ||
|
|
@@ -109,7 +93,7 @@ private void paint(IplImage img, int posX, int posY) { | |
| System.out.println(posX + " , " + posY); | ||
|
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| } | ||
|
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| private IplImage getThresholdImage(IplImage orgImg) { | ||
| IplImage imgThreshold = cvCreateImage(cvGetSize(orgImg), 8, 1); | ||
| // | ||
|
|
@@ -119,14 +103,16 @@ private IplImage getThresholdImage(IplImage orgImg) { | |
| cvSaveImage(++ii + "dsmthreshold.jpg", imgThreshold); | ||
| return imgThreshold; | ||
| } | ||
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| public IplImage Equalize(BufferedImage bufferedimg) { | ||
| IplImage iploriginal = IplImage.createFrom(bufferedimg); | ||
| Java2DFrameConverter converter1 = new Java2DFrameConverter(); | ||
| OpenCVFrameConverter.ToIplImage converter2 = new OpenCVFrameConverter.ToIplImage(); | ||
| IplImage iploriginal = converter2.convert(converter1.convert(bufferedimg)); | ||
| IplImage srcimg = IplImage.create(iploriginal.width(), iploriginal.height(), IPL_DEPTH_8U, 1); | ||
| IplImage destimg = IplImage.create(iploriginal.width(), iploriginal.height(), IPL_DEPTH_8U, 1); | ||
| cvCvtColor(iploriginal, srcimg, CV_BGR2GRAY); | ||
| cvEqualizeHist(srcimg, destimg); | ||
| return destimg; | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -10,19 +10,18 @@ | |
| * Angelo Marchesin <[email protected]> | ||
| */ | ||
|
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| import org.bytedeco.javacpp.Loader; | ||
| import org.bytedeco.javacpp.*; | ||
| import org.bytedeco.javacv.*; | ||
| 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.*; | ||
|
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| public class MotionDetector { | ||
| public static void main(String[] args) throws Exception { | ||
| OpenCVFrameGrabber grabber = new OpenCVFrameGrabber(0); | ||
| OpenCVFrameConverter.ToIplImage converter = new OpenCVFrameConverter.ToIplImage(); | ||
| grabber.start(); | ||
|
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| IplImage frame = grabber.grab(); | ||
| IplImage frame = converter.convert(grabber.grab()); | ||
| IplImage image = null; | ||
| IplImage prevImage = null; | ||
| IplImage diff = null; | ||
|
|
@@ -32,7 +31,7 @@ public static void main(String[] args) throws Exception { | |
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| CvMemStorage storage = CvMemStorage.create(); | ||
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| while (canvasFrame.isVisible() && (frame = grabber.grab()) != null) { | ||
| while (canvasFrame.isVisible() && (frame = converter.convert(grabber.grab())) != null) { | ||
| cvClearMemStorage(storage); | ||
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| cvSmooth(frame, frame, CV_GAUSSIAN, 9, 9, 2, 2); | ||
|
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@@ -56,7 +55,7 @@ public static void main(String[] args) throws Exception { | |
| // do some threshold for wipe away useless details | ||
| cvThreshold(diff, diff, 64, 255, CV_THRESH_BINARY); | ||
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| canvasFrame.showImage(diff); | ||
| canvasFrame.showImage(converter.convert(diff)); | ||
|
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| // recognize contours | ||
| CvSeq contour = new CvSeq(null); | ||
|
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