How to convert MatOfPoint to MatOfPoint2f in opencv java api

Question

I\'m trying to implement the example code of the following question by using opencv java api. To implement findContours(gray, contours, CV_RETR_LIST, CV_CHAIN_APPROX_

Answer 1

I realise this question has already been well answered, but to add an alternative for anyone who finds it in the future -

Imgproc.findContours(gray, contours, new Mat(), Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);

for(int i=0;i