Processing javaCVを使ってcannyエッジ検出

import static com.googlecode.javacv.cpp.opencv_core.*;

import static com.googlecode.javacv.cpp.opencv_imgproc.*;

import static com.googlecode.javacv.cpp.opencv_highgui.*;

CvCapture cam;

void setup ()

{

size(640*2, 480);

cam=cvCreateCameraCapture(1);

if (cam==null) {

exit();

while (true);

}

}

void draw() {

IplImage image = cvQueryFrame(cam);

// 取ってきた画像を画面に表示

if (image == null)return;

PImage img=cvtPImage(image);

IplImage gray = IplImage.create(img.width, img.height, IPL_DEPTH_8U, 1);

cvCvtColor(image, gray, CV_RGB2GRAY);

//cvSmooth( gray, smooth, CV_BLUR, 9, 9, 2, 2);

cvThreshold(gray, gray, (mouseX%640)*255/640, 255, CV_THRESH_BINARY);

double lowth=50, highth=150;

cvCanny( gray, gray, 50, 200, 3);

PImage gimg=cvtPImage(gray);

image(img, 0, 0);

image(gimg, 640, 0);

}

PImage cvtPImage ( IplImage iplImg ) {

java.awt.image.BufferedImage bImg = iplImg.getBufferedImage();

PImage img = new PImage( bImg.getWidth(), bImg.getHeight(), ARGB );

bImg.getRGB( 0, 0, img.width, img.height, img.pixels, 0, img.width );

img.updatePixels();

return img;

}

void exit() {

cvReleaseCapture( cam );

super.exit();

}