ProcessFrame() public méthode

Process new video frame.

See ProcessFrame(UnmanagedImage) for additional details.

public ProcessFrame ( Bitmap videoFrame ) : float
videoFrame System.Drawing.Bitmap Video frame to process (detect motion in).
Résultat float
MotionDetector Class Documentation
Exemple #1
0
        private void frame(object s, NewFrameEventArgs e)
        {
            Bitmap img = (Bitmap)e.Frame.Clone();

            Confidence = detector.ProcessFrame(img);

            pictureBox1.Image = img;
        }
Exemple #2
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        private void videoSourcePlayer1_NewFrame(object sender, ref Bitmap image)
        {
            lock (this)
            {
                if (detector != null)
                {
                    float motionLevel = detector.ProcessFrame(image);

                    if (motionLevel > motionAlarmLevel)
                    {
                        // flash for 2 seconds
                        flash = (int)(2 * (1000 / alarmTimer.Interval));
                    }

                    // check objects' count
                    if (detector.MotionProcessingAlgorithm is BlobCountingObjectsProcessing)
                    {
                        BlobCountingObjectsProcessing countingDetector = (BlobCountingObjectsProcessing)detector.MotionProcessingAlgorithm;
                        detectedObjectsCount = countingDetector.ObjectsCount;
                    }
                    else
                    {
                        detectedObjectsCount = -1;
                    }

                    // accumulate history
                    motionHistory.Add(motionLevel);
                    if (motionHistory.Count > 300)
                    {
                        motionHistory.RemoveAt(0);
                    }

                    if (showMotionHistoryToolStripMenuItem.Checked)
                    {
                        DrawMotionHistory(image);
                    }
                }
            }
        }
Exemple #3
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        private void detectMovement(Bitmap b)
        {
            float motionLevel = 0;

            motionLevel = motionDetector.ProcessFrame(b);
            if (inWarmupMode || !running)
            {
                if (DateTime.Now.Ticks - warmupTime > warmupStartTime)
                {
                    inWarmupMode = false;
                }

                return;
            }


            Rectangle[] i = ((AForge.Vision.Motion.BlobCountingObjectsProcessing)motionDetector.MotionProcessingAlgorithm).ObjectRectangles;

            if (i.Count() > 0)
            {
                Rectangle x1 = i.OrderByDescending(item => item.Height * item.Width).FirstOrDefault();
                ClickBobber(x1);
            }
        }
Exemple #4
0
        //Загрузка формы
        private void ClientSettingsForm_Load(object sender, EventArgs e)
        {
            videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);
            if (videoDevices.Count == 0)
            {
                MessageBox.Show("Камера не найдена!");
                isAppExit = true;
                Application.Exit();
            }

            videoCamera = new VideoCaptureDevice(videoDevices[0].MonikerString);
            detector = new MotionDetector(new SimpleBackgroundModelingDetector(),
                new MotionAreaHighlighting());

            if (this.videoCamera.IsRunning)
                this.videoCamera.Stop();

            videoCamera.NewFrame += delegate(object send, AForge.Video.NewFrameEventArgs eventArgs)
            {
                //Отлавливаем движение
                if (detector.ProcessFrame(eventArgs.Frame) > 0.02)
                {
                    if (client == null)
                        return;

                    client.SignalAlarmCmd();
                }
            };

            ClientSettingsFormExtracted();
        }