How to get the Mat object from the Byte[] in openCV android?

Question

I am working with OpenCV library in Android. I have a class which implements PictureCallBack.

The override method onPictureTaken() is as g

Answer 1

The best and easiest way is like this:

byte[] bytes = FileUtils.readFileToByteArray(new File("aaa.jpg"));
Mat mat = Imgcodecs.imdecode(new MatOfByte(bytes), Imgcodecs.CV_LOAD_IMAGE_UNCHANGED);