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 spycam; /** * * @author shadman264 */ import org.opencv.core.*; import org.opencv.imgcodecs.Imgcodecs; import org.opencv.videoio.VideoCapture; public class Spycam { public static void main(String args[]) { System.loadLibrary(Core.NATIVE_LIBRARY_NAME); VideoCapture camera = new VideoCapture(0); if (!camera.isOpened()) { System.out.println("Error"); } else { Mat frame = new Mat(); while (true) { if (camera.read(frame)) { System.out.println("Frame Obtained"); System.out.println("Captured Frame Width " + frame.width() + " Height " + frame.height()); Imgcodecs.imwrite("camera.jpg", frame); System.out.println("OK"); break; } } } camera.release(); } }