일하는뒙? #1 모션인식 테스트

 

필요한 부분 구글링하였음 (opencvsharp4) / DIffImage 함수는 메무리 누수 생기길래 조금 바꿈.

 

카메라 캡쳐 -> Gray로 변환 -> diff -> Morphology Open(잔상제거) -> NonZero 카운팅 = 감지된 변화 수

 

아래 사진은 손움직이며 테스트. diff를 picturebox에 찍어봄

 

 

 

 

 

private void button2_Click(object sender, EventArgs e)
        {
            VideoCapture vc = new VideoCapture(0, VideoCaptureAPIs.DSHOW);

            Mat t0 = new Mat();
            Mat t1 = new Mat();
            Mat t2 = new Mat();
            Mat diff = new Mat();
            Mat diff2 = new Mat();
            Mat element = Cv2.GetStructuringElement(MorphShapes.Rect, new OpenCvSharp.Size(10, 10));
            while (true)
            {
                vc.Read(t0);
                Cv2.WaitKey(50);
                vc.Read(t1);
                Cv2.WaitKey(50);
                vc.Read(t2);
                
                Cv2.CvtColor(t0, t0, ColorConversionCodes.BGR2GRAY);
                Cv2.CvtColor(t1, t1, ColorConversionCodes.BGR2GRAY);
                Cv2.CvtColor(t2, t2, ColorConversionCodes.BGR2GRAY);
                
                diff = DiffImage(t0, t1, t2);
                
                Cv2.MorphologyEx(diff, diff2, MorphTypes.Open, element);
                
                int count = Cv2.CountNonZero(diff2);

                if (count > 0)
                {
                    Console.WriteLine(DateTime.Now.ToString("HH:mm:ss") + "  :  " + count.ToString());
                    t2.SaveImage(Application.StartupPath + "\\detect\\" + DateTime.Now.ToString("HHmmss") + "_" + count.ToString() + ".jpg");
                    //Cv2.PutText(diff, count.ToString(), new OpenCvSharp.Point(1, 25), HersheyFonts.HersheySimplex, 1, Scalar.Blue, 5);
                }

                

                //pictureBox1.Image = OpenCvSharp.Extensions.BitmapConverter.ToBitmap(diff);
                //pictureBox2.Image = OpenCvSharp.Extensions.BitmapConverter.ToBitmap(t2);

				diff.Dispose();
                Cv2.WaitKey(1);
            }
        }
        
        Mat DiffImage(Mat t0, Mat t1, Mat t2)
        {
            Mat diff = new Mat();

            using (Mat d1 = new Mat(), d2 = new Mat())
            {
                Cv2.Absdiff(t2, t1, d1);
                Cv2.Absdiff(t1, t0, d2);

                Cv2.BitwiseAnd(d1, d2, diff);
            }
            
            return diff;
        }