Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package bikecalibration; import org.opencv.core.Mat; import org.opencv.videoio.VideoCapture; import org.opencv.videoio.Videoio; /** * * @author vasja */ public class OpenCvUtils { public static Mat getImageFromVideo(int position, VideoCapture cap) { Mat frame = new Mat(); cap.set(Videoio.CAP_PROP_POS_FRAMES, position); cap.read(frame); return frame; } }