opencv4android 2.4.4 befort i use Imgproc.approxPolyDP, I want to convert Matto a MatOfPoint2f; Mat initialImg = Highgui.imread("/sdcard/card.jpg", 0); MatOfPoint2f matOfPoint2f=new MatOfPoint2f(initialImg);
I got the error: 03-20 10:35:57.825: E/AndroidRuntime(25073): java.lang.IllegalArgumentException: Incomatible Mat The error line is: MatOfPoint2f matOfPoint2f=new MatOfPoint2f(initialImg);