opencv on android （java） 1

opencv 显示一张图片并转化成灰度图

opencv 显示一张图片并转化成灰度图Mat rgbMat = new Mat();     //原图矩阵Mat grayMat = new Mat();//灰度矩阵private ImageView imageView;private Bitmap bmp;Utils.bitmapToMat(bmp, rgbMat);   Imgproc.cvtColor(rgbMat, grayMat, Imgproc.COLOR_RGB2GRAY);Bitmap grayBmp = Bitmap.createBitmap(bmp.getWidth(), bmp.getHeight(), Config.RGB_565);Utils.matToBitmap(grayMat, grayBmp);imageView.setImageBitmap(grayBmp);