func ProcessRoi(img *opencv.IplImage, gradeOfCanny int) *opencv.IplImage {

	var roi = img.GetROI()

	w := roi.Width()
	h := roi.Height()

	// Create the output image
	cedge := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 3)
	//defer cedge.Release()

	// Convert to grayscale
	gray := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 1)
	edge := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 1)
	//newimage := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 1)
	defer gray.Release()
	defer edge.Release()

	opencv.CvtColor(img, gray, opencv.CV_BGR2GRAY)

	opencv.Smooth(gray, edge, opencv.CV_BLUR, 3, 3, 0, 0)
	opencv.Not(gray, edge)

	// Run the edge detector on grayscale
	opencv.Canny(gray, edge, float64(gradeOfCanny), float64(gradeOfCanny*3), 3)

	opencv.Zero(cedge)
	// copy edge points
	opencv.Copy(img, cedge, edge)

	return cedge

}
Example #2
0
func ProcessImage(img *opencv.IplImage, win *opencv.Window, pos int) error {
	w := img.Width()
	h := img.Height()

	// Create the output image
	cedge := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 3)
	defer cedge.Release()

	// Convert to grayscale
	gray := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 1)
	edge := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 1)
	defer gray.Release()
	defer edge.Release()

	opencv.CvtColor(img, gray, opencv.CV_BGR2GRAY)

	opencv.Smooth(gray, edge, opencv.CV_BLUR, 3, 3, 0, 0)
	opencv.Not(gray, edge)

	// Run the edge detector on grayscale
	opencv.Canny(gray, edge, float64(pos), float64(pos*3), 3)

	opencv.Zero(cedge)
	// copy edge points
	opencv.Copy(img, cedge, edge)

	win.ShowImage(img)
	return nil
}
Example #3
0
func TrackEyes(srcFile, destFile string) {
	var video = opencv.NewFileCapture(srcFile)

	var fourcc = opencv.FOURCC('m', 'p', '4', 'v')
	var fps = float32(video.GetProperty(opencv.CV_CAP_PROP_FPS))
	var size = opencv.Size{int(video.GetProperty(opencv.CV_CAP_PROP_FRAME_WIDTH)),
		int(video.GetProperty(opencv.CV_CAP_PROP_FRAME_HEIGHT))}

	if video == nil {
		panic("no file found with name: " + srcFile)
	}
	defer video.Release()

	win := opencv.NewWindow("Go-OpenCV Webcam")
	defer win.Destroy()

	_, currentfile, _, _ := runtime.Caller(0)
	var cascade = path.Join(path.Dir(currentfile), "/../cascades/haarcascade_eye_tree_eyeglasses.xml")
	var eyeMarker = NewEyeMarker(cascade)

	var imgs = []*opencv.IplImage{}
	var imgs2 = []*opencv.IplImage{}

	for {
		if video.GrabFrame() {
			img := video.RetrieveFrame(1)
			if img != nil {

				var copy = opencv.CreateImage(img.Width(), img.Height(), img.Depth(), img.Channels())
				opencv.Copy(img.Clone(), copy, nil)

				var markedImg = eyeMarker.MarkEyes(copy)

				imgs = append(imgs, markedImg)
				//win.ShowImage(imgs[len(imgs)-1])
			} else {
				fmt.Println("Image ins nil")
			}
		} else {
			break
		}
		key := opencv.WaitKey(10)

		if key == 27 {
			os.Exit(0)
		}
	}

	for i := 0; i < len(imgs2); i++ {
		win.ShowImage(imgs2[i])
	}
	log.Print("before write")
	NewVideoWriter(uint32(fourcc), fps, size).SaveAsVideo(imgs, "test.avi")
	os.Exit(0)
}
Example #4
0
func (d *Detector) Detect() *opencv.IplImage {
	opencv.Copy(d.currentFrame, d.previousFrame, nil)
	opencv.Copy(d.nextFrame, d.currentFrame, nil)
	opencv.CvtColor(d.params.QueryFrame(), d.nextFrame, opencv.CV_BGR2GRAY)

	opencv.AbsDiff(d.previousFrame, d.nextFrame, d.d1)
	opencv.AbsDiff(d.nextFrame, d.currentFrame, d.d2)
	opencv.BitwiseAnd(d.d1, d.d2, d.motion, nil)
	opencv.Threshold(d.motion, d.motion, 35, 255, opencv.CV_THRESH_BINARY)

	_, sdev := opencv.MeanStdDev(d.motion, nil)
	if sdev.Val()[0] <= d.params.DevThreshold {
		d.phase = 0
		return nil
	}

	d.phase++
	if d.phase < d.params.PhaseThreshold {
		return nil
	}

	d.phase = 0
	return d.params.QueryFrame()
}
func CaptureFrames() {
	var cam = opencv.NewCameraCapture(0)
	defer cam.Release()

	frames := []*opencv.IplImage{}
	//var writter = opencv.NewVideoWriter("test.avi", int(opencv.FOURCC('D','I','V','3')),20, 50, 50, 1)

	win := opencv.NewWindow("Go-OpenCV Webcam123")
	defer win.Destroy()
	for framesCounter := 0; framesCounter <= 25; framesCounter++ {
		log.Print(framesCounter)
		if cam.GrabFrame() || framesCounter > 25 {
			//            var frame = cam.RetrieveFrame(1)
			//            var img = ProcessImage(frame, 50)
			//            frames = append(frames, img)

			var frame = cam.RetrieveFrame(1)
			win.ShowImage(frame)
			//            var img3 = frame.ToImage()

			var imageHeader = opencv.CreateImage(frame.Width(), frame.Height(), frame.Depth(), frame.Channels())

			for i := 0; i < frame.Width(); i++ {
				for j := 0; j < frame.Height(); j++ {

					scalar := frame.Get2D(i, j)
					var bgra = scalar.Val()
					var newscalar = opencv.NewScalar(bgra[0], bgra[1], bgra[2], 1)
					imageHeader.Set2D(i, j, newscalar)

				}
			}
			//            var img3Opencv = opencv.FromImage(img3)

			var copy = opencv.CreateImage(frame.Width(), frame.Height(), frame.Depth(), frame.Channels())
			opencv.Copy(frame, copy, nil)
			//            frames = append(frames, img3Opencv)

			//win.ShowImage(imageHeader)

		}
	}

	var videoWritter = NewVideoWriter(opencv.FOURCC('D', 'I', 'V', '3'), 20, opencv.Size{frames[0].Width(), frames[0].Height()})
	videoWritter.SaveAsVideo(frames, "test.avi")

}
Example #6
0
func main() {
	filename := "../images/fruits.jpg"
	if len(os.Args) == 2 {
		filename = os.Args[1]
	}

	img0 := opencv.LoadImage(filename)
	if img0 == nil {
		panic("LoadImage fail")
	}
	defer img0.Release()

	fmt.Print("Hot keys: \n",
		"\tESC - quit the program\n",
		"\tr - restore the original image\n",
		"\ti or ENTER - run inpainting algorithm\n",
		"\t\t(before running it, paint something on the image)\n",
	)

	img := img0.Clone()
	inpainted := img0.Clone()
	inpaint_mask := opencv.CreateImage(img0.Width(), img0.Height(), 8, 1)

	opencv.Zero(inpaint_mask)
	//opencv.Zero( inpainted )

	win := opencv.NewWindow("image")
	defer win.Destroy()

	prev_pt := opencv.Point{-1, -1}
	win.SetMouseCallback(func(event, x, y, flags int, param ...interface{}) {
		if img == nil {
			os.Exit(0)
		}

		if event == opencv.CV_EVENT_LBUTTONUP ||
			(flags&opencv.CV_EVENT_FLAG_LBUTTON) == 0 {
			prev_pt = opencv.Point{-1, -1}
		} else if event == opencv.CV_EVENT_LBUTTONDOWN {
			prev_pt = opencv.Point{x, y}
		} else if event == opencv.CV_EVENT_MOUSEMOVE &&
			(flags&opencv.CV_EVENT_FLAG_LBUTTON) != 0 {
			pt := opencv.Point{x, y}
			if prev_pt.X < 0 {
				prev_pt = pt
			}

			rgb := opencv.ScalarAll(255.0)
			opencv.Line(inpaint_mask, prev_pt, pt, rgb, 5, 8, 0)
			opencv.Line(img, prev_pt, pt, rgb, 5, 8, 0)
			prev_pt = pt

			win.ShowImage(img)
		}
	})
	win.ShowImage(img)
	opencv.WaitKey(0)

	win2 := opencv.NewWindow("inpainted image")
	defer win2.Destroy()
	win2.ShowImage(inpainted)

	for {
		key := opencv.WaitKey(20)
		if key == 27 {
			os.Exit(0)
		} else if key == 'r' {
			opencv.Zero(inpaint_mask)
			opencv.Copy(img0, img, nil)
			win.ShowImage(img)
		} else if key == 'i' || key == '\n' {
			opencv.Inpaint(img, inpaint_mask, inpainted, 3,
				opencv.CV_INPAINT_TELEA,
			)
			win2.ShowImage(inpainted)
		}
	}
	os.Exit(0)
}
Example #7
0
func main() {
	filename := "../images/lena.jpg"
	if len(os.Args) == 2 {
		filename = os.Args[1]
	}

	image := opencv.LoadImage(filename)
	if image == nil {
		panic("LoadImage fail")
	}
	defer image.Release()

	w := image.Width()
	h := image.Height()

	// Create the output image
	cedge := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 3)
	defer cedge.Release()

	// Convert to grayscale
	gray := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 1)
	edge := opencv.CreateImage(w, h, opencv.IPL_DEPTH_8U, 1)
	defer gray.Release()
	defer edge.Release()

	opencv.CvtColor(image, gray, opencv.CV_BGR2GRAY)

	win := opencv.NewWindow("Edge")
	defer win.Destroy()

	win.SetMouseCallback(func(event, x, y, flags int, param ...interface{}) {
		fmt.Printf("event = %d, x = %d, y = %d, flags = %d\n",
			event, x, y, flags,
		)
	})

	win.CreateTrackbar("Thresh", 1, 100, func(pos int, param ...interface{}) {
		edge_thresh := pos

		opencv.Smooth(gray, edge, opencv.CV_BLUR, 3, 3, 0, 0)
		opencv.Not(gray, edge)

		// Run the edge detector on grayscale
		opencv.Canny(gray, edge, float64(edge_thresh), float64(edge_thresh*3), 3)

		opencv.Zero(cedge)
		// copy edge points
		opencv.Copy(image, cedge, edge)

		win.ShowImage(cedge)

		fmt.Printf("pos = %d\n", pos)
	})
	win.ShowImage(image)

	for {
		key := opencv.WaitKey(20)
		if key == 27 {
			os.Exit(0)
		}
	}

	os.Exit(0)
}
	v.processors = append(v.processors, MarkEyesCirclesProcessor)

}

var MarkEyesRectProcessor = func(v *VideoProcessor) {

}

var MarkEyesCirclesProcessor = func(v *VideoProcessor) {
	_, currentfile, _, _ := runtime.Caller(0)
	var cascade = path.Join(path.Dir(currentfile), "/../cascades/haarcascade_eye_tree_eyeglasses.xml")
	var eyeMarker = NewEyeMarker(cascade)

	var copy = opencv.CreateImage(v.currentFrameIn.Width(), v.currentFrameIn.Height(), v.currentFrameIn.Depth(), v.currentFrameIn.Channels())
	var copy2 = opencv.CreateImage(v.currentFrameIn.Width(), v.currentFrameIn.Height(), v.currentFrameIn.Depth(), v.currentFrameIn.Channels())
	opencv.Copy(v.currentFrameIn, copy, nil)
	opencv.Copy(v.currentFrameIn, copy2, nil)

	var rois = eyeMarker.MarkEyesRects(copy)

	if len(rois) > 0 {
		copy.SetROI(*rois[0])
		copy = ProcessRoi(copy, 75)
		//var gray = opencv.CreateImage(copy.Width(),copy.Height(),opencv.IPL_DEPTH_8U,1)
		//copy.SetROI(*rois[0])

		var circels = HoughCircles1(copy)
		log.Print(circels)
		for i := 0; i < len(circels); i++ {

			var center = opencv.Point{rois[0].X() + int(circels[i].X), rois[0].Y() + int(circels[0].Y)}
Example #9
0
func MarkRoi() {

	//
	//    var fourcc = opencv.FOURCC('m','p','4','v')
	//    var fps = float32(video.GetProperty(opencv.CV_CAP_PROP_FPS))
	//    var size = opencv.Size{int(video.GetProperty(opencv.CV_CAP_PROP_FRAME_WIDTH)),
	//        int(video.GetProperty(opencv.CV_CAP_PROP_FRAME_HEIGHT))};
	//
	//    log.Print("fourcc: ", fourcc)
	//    log.Print("fps: ", fps)
	//    log.Print("size: ", size)
	//
	//    defer video.Release()

	win := opencv.NewWindow("Go-OpenCV Webcam")
	defer win.Destroy()

	win2 := opencv.NewWindow("rect cam: ")
	win2.Move(400, 0)
	defer win2.Destroy()

	_, currentfile, _, _ := runtime.Caller(0)
	var cascade = path.Join(path.Dir(currentfile), "/../cascades/haarcascade_eye_tree_eyeglasses.xml")
	var eyeMarker = NewEyeMarker(cascade)

	var cap = NewVideoCapture(path.Join(path.Dir(currentfile), "/../eyevid1.mp4"))
	//var cap = NewVideoCapture("")

	var rois []*opencv.Rect

	for {
		var frame = cap.GetFrame()
		if frame == nil {
			break
		}
		img := frame

		var copy = opencv.CreateImage(img.Width(), img.Height(), opencv.IPL_DEPTH_8U, 3)
		opencv.Copy(img, copy, nil)

		rois = eyeMarker.MarkEyesRects(copy)

		if len(rois) > 0 {
			log.Print(rois[0])
			copy.SetROI(*rois[0])
			copy = ProcessRoi(copy, 25)
			//var gray = opencv.CreateImage(copy.Width(),copy.Height(),opencv.IPL_DEPTH_8U,1)
			//copy.SetROI(*rois[0])

			var circels = HoughCircles1(copy)
			log.Print(circels)
			for i := 0; i < len(circels); i++ {

				var center = opencv.Point{rois[0].X() + int(circels[i].X), rois[0].Y() + int(circels[0].Y)}
				//var center = opencv.Point{int(circels[i].X),int(circels[0].Y)}
				opencv.Circle(img, center, int(circels[i].R), opencv.NewScalar(255, 0, 0, 1), 1, 1, 0)
				//src *IplImage, dp float64, min_dist float64, param1 float64, param2 float64, min_radius int, max_radius int
			}
			copy.ResetROI()
		}

		win.ShowImage(img)
		win2.ShowImage(copy)

		key := opencv.WaitKey(10)

		if key == 27 {
			os.Exit(0)
		}
	}

	os.Exit(0)
}
Example #10
0
func ProcessImageTest() {

	log.Print("Try to open webcam.")
	cap := opencv.NewCameraCapture(0)
	if cap == nil {
		panic("can not open camera")
	}

	log.Print("webcame opened.")

	var outputFileName = "testvideo.mpeg"
	var width = 640
	var height = 480
	var fps = 20.0
	var fourcc = opencv.FOURCC('m', 'p', '4', 'v')
	var noOfCapturedFrames = 100

	cap.SetProperty(opencv.CV_CAP_PROP_FRAME_WIDTH, float64(width))
	cap.SetProperty(opencv.CV_CAP_PROP_FRAME_HEIGHT, float64(height))
	cap.SetProperty(opencv.CV_CAP_PROP_FPS, fps)

	log.Print("capturing ", noOfCapturedFrames, " frames and save them to the following file: ", outputFileName)
	log.Print("width: ", width)
	log.Print("height: ", height)
	log.Print("fps: ", fps)
	log.Print("fourcc: ", fourcc)

	var frames []*opencv.IplImage

	for len(frames) < noOfCapturedFrames {
		if cap.GrabFrame() {
			img := cap.RetrieveFrame(1)
			if img != nil {

				var frame = cap.RetrieveFrame(1)
				var copy = opencv.CreateImage(int(width), int(height), frame.Depth(), frame.Channels())
				defer copy.Release()
				opencv.Copy(frame, copy, nil)

				frames = append(frames, copy)

			} else {
				fmt.Println("Image ins nil")
			}
		}
	}

	cap.Release()
	win := opencv.NewWindow("Go-OpenCV Webcam")
	defer win.Destroy()
	for i := 0; i < len(frames); i++ {
		log.Print("displaying frame no: ", i)
		win.ShowImage(frames[i])
		key := opencv.WaitKey(10)
		if key != 0 {
			log.Print(key)
		}
	}

	log.Print("start writing frames to file.")
	var videoWritter = NewVideoWriter(fourcc, float32(fps), opencv.Size{int(width), int(height)})
	videoWritter.SaveAsVideo(frames, outputFileName)

	log.Print("created file with name: ", outputFileName)
	os.Exit(0)
}