Incorporating the threads
This commit is contained in:
Tadas Baltrusaitis
parent
f179a67894
commit
0107a56d48
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@ -38,5 +38,16 @@
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<local:AxesBorder MinHeight="180" Grid.Row="4" Grid.Column="1" Padding="60 20 30 40" RangeLabel="Eye gaze" Orientation="Horizontal" MinVal="-1" MaxVal="1" NumVertGrid="5">
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<local:TimeSeriesPlot x:Name="gazePlot" Orientation="Horizontal" ShowLegend="True"/>
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</local:AxesBorder>
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<local:AxesBorder Grid.Column="2" Grid.Row="1" MinHeight="130" ShowXLabel="False" Padding="60 20 30 10" XTicks="False" RangeLabel="Lips" Orientation="Horizontal" MinVal="0" MaxVal="1" NumVertGrid="5">
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<local:TimeSeriesPlot x:Name="smilePlot" Orientation="Horizontal" ShowLegend="True"/>
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</local:AxesBorder>
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<local:AxesBorder Grid.Column="2" Grid.Row="2" MinHeight="130" ShowXLabel="False" Padding="60 20 30 10" XTicks="False" RangeLabel="Brows" Orientation="Horizontal" MinVal="0" MaxVal="1" NumVertGrid="5">
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<local:TimeSeriesPlot x:Name="browPlot" Orientation="Horizontal" ShowLegend="True"/>
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</local:AxesBorder>
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<local:AxesBorder Grid.Column="2" Grid.Row="3" MinHeight="130" ShowXLabel="False" Padding="60 20 30 10" XTicks="False" RangeLabel="Other" Orientation="Horizontal" MinVal="0" MaxVal="1" NumVertGrid="5">
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<local:TimeSeriesPlot x:Name="eyePlot" Orientation="Horizontal" ShowLegend="True"/>
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</local:AxesBorder>
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</Grid>
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</Window>
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@ -22,6 +22,7 @@ using CppInterop.LandmarkDetector;
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using CameraInterop;
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using FaceAnalyser_Interop;
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using System.Windows.Threading;
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using System.Diagnostics;
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namespace OpenFaceDemo
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{
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@ -30,24 +31,108 @@ namespace OpenFaceDemo
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/// </summary>
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public partial class MainWindow : Window
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{
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// -----------------------------------------------------------------
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// Members
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// -----------------------------------------------------------------
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// Timing for measuring FPS
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#region High-Resolution Timing
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static DateTime startTime;
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static Stopwatch sw = new Stopwatch();
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static MainWindow()
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{
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startTime = DateTime.Now;
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sw.Start();
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}
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public static DateTime CurrentTime
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{
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get { return startTime + sw.Elapsed; }
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}
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#endregion
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Thread processing_thread;
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// Some members for displaying the results
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private Capture capture;
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private WriteableBitmap latest_img;
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private volatile bool thread_running;
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FpsTracker processing_fps = new FpsTracker();
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volatile bool detectionSucceeding = false;
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volatile bool reset = false;
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// For selecting webcams
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CameraSelection cam_sec;
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// For tracking
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FaceModelParameters clnf_params;
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CLNF clnf_model;
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FaceAnalyserManaged face_analyser;
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public MainWindow()
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{
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InitializeComponent();
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// Set the icon
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Uri iconUri = new Uri("logo1.ico", UriKind.RelativeOrAbsolute);
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this.Icon = BitmapFrame.Create(iconUri);
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String root = AppDomain.CurrentDomain.BaseDirectory;
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clnf_params = new FaceModelParameters(root);
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clnf_model = new CLNF(clnf_params);
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face_analyser = new FaceAnalyserManaged(root, true);
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Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
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{
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headPosePlot.AssocColor(0, Colors.Blue);
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headPosePlot.AssocColor(1, Colors.Red);
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headPosePlot.AssocColor(2, Colors.Green);
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headPosePlot.AssocName(1, "Turn");
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headPosePlot.AssocName(2, "Tilt");
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headPosePlot.AssocName(0, "Up/Down");
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headPosePlot.AssocThickness(0, 2);
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headPosePlot.AssocThickness(1, 2);
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headPosePlot.AssocThickness(2, 2);
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gazePlot.AssocColor(0, Colors.Red);
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gazePlot.AssocColor(1, Colors.Blue);
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gazePlot.AssocName(0, "Left-right");
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gazePlot.AssocName(1, "Up-down");
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gazePlot.AssocThickness(0, 2);
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gazePlot.AssocThickness(1, 2);
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smilePlot.AssocColor(0, Colors.Green);
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smilePlot.AssocColor(1, Colors.Red);
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smilePlot.AssocName(0, "Smile");
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smilePlot.AssocName(1, "Frown");
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smilePlot.AssocThickness(0, 2);
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smilePlot.AssocThickness(1, 2);
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browPlot.AssocColor(0, Colors.Green);
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browPlot.AssocColor(1, Colors.Red);
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browPlot.AssocName(0, "Raise");
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browPlot.AssocName(1, "Furrow");
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browPlot.AssocThickness(0, 2);
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browPlot.AssocThickness(1, 2);
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eyePlot.AssocColor(0, Colors.Green);
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eyePlot.AssocColor(1, Colors.Red);
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eyePlot.AssocName(0, "Eye widen");
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eyePlot.AssocName(1, "Nose wrinkle");
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eyePlot.AssocThickness(0, 2);
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eyePlot.AssocThickness(1, 2);
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}));
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}
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@ -62,6 +147,259 @@ namespace OpenFaceDemo
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}
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}
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// The main function call for processing images, video files or webcam feed
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private void ProcessingLoop(int cam_id = -1, int width = -1, int height = -1, bool multi_face = false)
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{
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thread_running = true;
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// Create the video capture from a webcam and call the VideoLoop
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capture = new Capture(cam_id, width, height);
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if (capture.isOpened())
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{
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// Start the actual processing
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VideoLoop();
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}
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else
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{
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string messageBoxText = "Failed to open a webcam";
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string caption = "Webcam failure";
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MessageBoxButton button = MessageBoxButton.OK;
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MessageBoxImage icon = MessageBoxImage.Warning;
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// Display message box
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MessageBox.Show(messageBoxText, caption, button, icon);
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}
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}
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// Capturing and processing the video frame by frame
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private void VideoLoop()
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{
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Thread.CurrentThread.IsBackground = true;
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DateTime? startTime = CurrentTime;
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var lastFrameTime = CurrentTime;
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clnf_model.Reset();
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face_analyser.Reset();
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double fx, fy, cx, cy;
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fx = 500.0;
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fy = 500.0;
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cx = cy = -1;
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int frame_id = 0;
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double old_gaze_x = 0;
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double old_gaze_y = 0;
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double smile_cumm = 0;
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double frown_cumm = 0;
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double brow_up_cumm = 0;
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double brow_down_cumm = 0;
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double widen_cumm = 0;
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double wrinkle_cumm = 0;
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while (thread_running)
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{
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//////////////////////////////////////////////
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// CAPTURE FRAME AND DETECT LANDMARKS FOLLOWED BY THE REQUIRED IMAGE PROCESSING
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//////////////////////////////////////////////
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RawImage frame = null;
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double progress = -1;
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frame = new RawImage(capture.GetNextFrame(true));
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progress = capture.GetProgress();
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if (frame.Width == 0)
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{
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// This indicates that we reached the end of the video file
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break;
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}
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lastFrameTime = CurrentTime;
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processing_fps.AddFrame();
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var grayFrame = new RawImage(capture.GetCurrentFrameGray());
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if (grayFrame == null)
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{
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Console.WriteLine("Gray is empty");
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continue;
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}
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// This is more ore less guess work, but seems to work well enough
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if (cx == -1)
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{
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fx = fx * (grayFrame.Width / 640.0);
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fy = fy * (grayFrame.Height / 480.0);
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fx = (fx + fy) / 2.0;
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fy = fx;
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cx = grayFrame.Width / 2f;
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cy = grayFrame.Height / 2f;
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}
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bool detectionSucceeding = ProcessFrame(clnf_model, clnf_params, frame, grayFrame, fx, fy, cx, cy);
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double confidence = (-clnf_model.GetConfidence()) / 2.0 + 0.5;
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if (confidence < 0)
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confidence = 0;
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else if (confidence > 1)
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confidence = 1;
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List<double> pose = new List<double>();
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clnf_model.GetCorrectedPoseCamera(pose, fx, fy, cx, cy);
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List<double> non_rigid_params = clnf_model.GetNonRigidParams();
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double time_stamp = (DateTime.Now - (DateTime)startTime).TotalMilliseconds;
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// The face analysis step (only done if recording AUs, HOGs or video)
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face_analyser.AddNextFrame(frame, clnf_model, fx, fy, cx, cy, true, false, false);
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List<Tuple<Point, Point>> lines = null;
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List<Tuple<double, double>> landmarks = null;
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List<Tuple<Point, Point>> gaze_lines = null;
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var gaze = face_analyser.GetGazeCamera();
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double x_gaze = (gaze.Item1.Item1 + gaze.Item2.Item1) / 2.0;
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double y_gaze = (gaze.Item1.Item2 + gaze.Item2.Item2) / 2.0;
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if (detectionSucceeding)
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{
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landmarks = clnf_model.CalculateLandmarks();
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lines = clnf_model.CalculateBox((float)fx, (float)fy, (float)cx, (float)cy);
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gaze_lines = face_analyser.CalculateGazeLines((float)fx, (float)fy, (float)cx, (float)cy);
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}
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// Visualisation
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Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
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{
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var au_regs = face_analyser.GetCurrentAUsReg();
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double smile = (au_regs["AU12"] + au_regs["AU06"]) / 7.5 + 0.05;
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double frown = (au_regs["AU15"] + au_regs["AU17"] + au_regs["AU04"]) / 10.0 + 0.05;
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double brow_up = (au_regs["AU01"] + au_regs["AU02"]) / 7.5 + 0.05;
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double brow_down = au_regs["AU04"] / 5.0 + 0.05;
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double eye_widen = au_regs["AU05"] / 2.5 + 0.05;
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double nose_wrinkle = au_regs["AU09"] / 4.0 + 0.05;
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Dictionary<int, double> smileDict = new Dictionary<int, double>();
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smileDict[0] = 0.5 * smile_cumm + 0.5 * smile;
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smileDict[1] = 0.5 * frown_cumm + 0.5 * frown;
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smilePlot.AddDataPoint(new DataPoint() { Time = CurrentTime, values = smileDict, Confidence = confidence });
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Dictionary<int, double> browDict = new Dictionary<int, double>();
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browDict[0] = 0.5 * brow_up_cumm + 0.5 * brow_up;
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browDict[1] = 0.5 * brow_down_cumm + 0.5 * brow_down;
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browPlot.AddDataPoint(new DataPoint() { Time = CurrentTime, values = browDict, Confidence = confidence });
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Dictionary<int, double> eyeDict = new Dictionary<int, double>();
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eyeDict[0] = 0.5 * widen_cumm + 0.5 * eye_widen;
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eyeDict[1] = 0.5 * wrinkle_cumm + 0.5 * nose_wrinkle;
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eyePlot.AddDataPoint(new DataPoint() { Time = CurrentTime, values = eyeDict, Confidence = confidence });
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smile_cumm = smileDict[0];
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frown_cumm = smileDict[1];
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brow_up_cumm = browDict[0];
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brow_down_cumm = browDict[1];
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widen_cumm = eyeDict[0];
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wrinkle_cumm = eyeDict[1];
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Dictionary<int, double> poseDict = new Dictionary<int, double>();
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poseDict[0] = -pose[3] / 2.0 + 0.5;// (face_analyser.GetRapport() - 1.0) / 6.5;
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poseDict[1] = pose[4] / 2.0 + 0.5;// (rapport_fixed - 1.0) / 6.0;
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poseDict[2] = pose[5] / 2.0 + 0.5;
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headPosePlot.AddDataPoint(new DataPoint() { Time = CurrentTime, values = poseDict, Confidence = confidence });
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Dictionary<int, double> gazeDict = new Dictionary<int, double>();
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gazeDict[0] = x_gaze * 2.5;
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gazeDict[0] = 0.5 * old_gaze_x + 0.5 * gazeDict[0] + 0.5;
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gazeDict[1] = -y_gaze * 2.0;
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gazeDict[1] = 0.5 * old_gaze_y + 0.5 * gazeDict[1] + 0.5;
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//gazeDict[2] = face_analyser.GetEyeAttention();
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//Console.WriteLine("{0}, {1}", x_gaze, y_gaze);
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gazePlot.AddDataPoint(new DataPoint() { Time = CurrentTime, values = gazeDict, Confidence = confidence });
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old_gaze_x = gazeDict[0] - 0.5;
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old_gaze_y = gazeDict[1] - 0.5;
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//Dictionary<int, double> valenceDict = new Dictionary<int, double>();
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//valenceDict[0] = (face_analyser.GetValence() - 1.0) / 6.5;
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//valenceDict[1] = face_analyser.GetArousal();
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//valencePlot.AddDataPoint(new DataPoint() { Time = CurrentTime, values = valenceDict, Confidence = confidence });
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//Dictionary<int, double> avDict = new Dictionary<int, double>();
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//avDict[0] = (face_analyser.GetArousal() - 0.5) * 2.0;
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//avDict[1] = ((face_analyser.GetValence() - 1.0) / 6.5 - 0.5)*2;
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//avPlot.AddDataPoint(new DataPoint() { Time = CurrentTime, values = avDict, Confidence = confidence });
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if (latest_img == null)
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{
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latest_img = frame.CreateWriteableBitmap();
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}
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frame.UpdateWriteableBitmap(latest_img);
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video.Source = latest_img;
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video.Confidence = confidence;
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video.FPS = processing_fps.GetFPS();
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video.Progress = progress;
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if (!detectionSucceeding)
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{
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video.OverlayLines.Clear();
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video.OverlayPoints.Clear();
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video.GazeLines.Clear();
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}
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else
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{
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video.OverlayLines = lines;
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List<Point> landmark_points = new List<Point>();
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foreach (var p in landmarks)
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{
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landmark_points.Add(new Point(p.Item1, p.Item2));
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}
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video.OverlayPoints = landmark_points;
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video.GazeLines = gaze_lines;
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}
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}));
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if (reset)
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{
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clnf_model.Reset();
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face_analyser.Reset();
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reset = false;
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}
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frame_id++;
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}
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latest_img = null;
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}
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private bool ProcessFrame(CLNF clnf_model, FaceModelParameters clnf_params, RawImage frame, RawImage grayscale_frame, double fx, double fy, double cx, double cy)
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{
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detectionSucceeding = clnf_model.DetectLandmarksInVideo(grayscale_frame, clnf_params);
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return detectionSucceeding;
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}
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// --------------------------------------------------------
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// Button handling
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// --------------------------------------------------------
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@ -105,10 +443,9 @@ namespace OpenFaceDemo
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int cam_id = cam_sec.selected_camera.Item1;
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int width = cam_sec.selected_camera.Item2;
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int height = cam_sec.selected_camera.Item3;
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// TODO add
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//processing_thread = new Thread(() => ProcessingLoop(null, cam_id, width, height));
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//processing_thread.Start();
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processing_thread = new Thread(() => ProcessingLoop(cam_id, width, height));
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processing_thread.Start();
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}
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}));
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@ -127,8 +464,8 @@ namespace OpenFaceDemo
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capture.Dispose();
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}
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// TODO add
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//face_analyser.Dispose();
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face_analyser.Dispose();
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}
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}
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