sustaining_gazes/gui/OpenFaceOffline/MainWindow.xaml.cs

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///////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2016, Carnegie Mellon University and University of Cambridge,
// all rights reserved.
//
// THIS SOFTWARE IS PROVIDED “AS IS” FOR ACADEMIC USE ONLY AND ANY EXPRESS
// OR IMPLIED WARRANTIES WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY.
// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Notwithstanding the license granted herein, Licensee acknowledges that certain components
// of the Software may be covered by so-called “open source” software licenses (“Open Source
// Components”), which means any software licenses approved as open source licenses by the
// Open Source Initiative or any substantially similar licenses, including without limitation any
// license that, as a condition of distribution of the software licensed under such license,
// requires that the distributor make the software available in source code format. Licensor shall
// provide a list of Open Source Components for a particular version of the Software upon
// Licensees request. Licensee will comply with the applicable terms of such licenses and to
// the extent required by the licenses covering Open Source Components, the terms of such
// licenses will apply in lieu of the terms of this Agreement. To the extent the terms of the
// licenses applicable to Open Source Components prohibit any of the restrictions in this
// License Agreement with respect to such Open Source Component, such restrictions will not
// apply to such Open Source Component. To the extent the terms of the licenses applicable to
// Open Source Components require Licensor to make an offer to provide source code or
// related information in connection with the Software, such offer is hereby made. Any request
// for source code or related information should be directed to cl-face-tracker-distribution@lists.cam.ac.uk
// Licensee acknowledges receipt of notices for the Open Source Components for the initial
// delivery of the Software.
// * Any publications arising from the use of this software, including but
// not limited to academic journal and conference publications, technical
// reports and manuals, must cite at least one of the following works:
//
// OpenFace: an open source facial behavior analysis toolkit
// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency
// in IEEE Winter Conference on Applications of Computer Vision, 2016
//
// Rendering of Eyes for Eye-Shape Registration and Gaze Estimation
// Erroll Wood, Tadas Baltrušaitis, Xucong Zhang, Yusuke Sugano, Peter Robinson, and Andreas Bulling
// in IEEE International. Conference on Computer Vision (ICCV), 2015
//
// Cross-dataset learning and person-speci?c normalisation for automatic Action Unit detection
// Tadas Baltrušaitis, Marwa Mahmoud, and Peter Robinson
// in Facial Expression Recognition and Analysis Challenge,
// IEEE International Conference on Automatic Face and Gesture Recognition, 2015
//
// Constrained Local Neural Fields for robust facial landmark detection in the wild.
// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency.
// in IEEE Int. Conference on Computer Vision Workshops, 300 Faces in-the-Wild Challenge, 2013.
//
///////////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
using System.Windows;
using System.Windows.Threading;
using System.Windows.Media.Imaging;
using System.IO;
using Microsoft.Win32;
// Internal libraries
using OpenCVWrappers;
using CppInterop;
using CppInterop.LandmarkDetector;
using CameraInterop;
using FaceAnalyser_Interop;
using System.Globalization;
using Microsoft.WindowsAPICodePack.Dialogs;
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namespace OpenFaceOffline
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
// Timing for measuring FPS
#region High-Resolution Timing
static DateTime startTime;
static Stopwatch sw = new Stopwatch();
static MainWindow()
{
startTime = DateTime.Now;
sw.Start();
}
public static DateTime CurrentTime
{
get { return startTime + sw.Elapsed; }
}
#endregion
// -----------------------------------------------------------------
// Members
// -----------------------------------------------------------------
Thread processing_thread;
// Some members for displaying the results
private Capture capture;
private WriteableBitmap latest_img;
private WriteableBitmap latest_aligned_face;
private WriteableBitmap latest_HOG_descriptor;
// Managing the running of the analysis system
private volatile bool thread_running;
private volatile bool thread_paused = false;
// Allows for going forward in time step by step
// Useful for visualising things
private volatile int skip_frames = 0;
FpsTracker processing_fps = new FpsTracker();
volatile bool detectionSucceeding = false;
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// For tracking
FaceModelParameters clnf_params;
CLNF clnf_model;
FaceAnalyserManaged face_analyser;
// Recording parameters (default values)
Recorder recorder;
public bool RecordAligned { get; set; } = false; // Aligned face images
public bool RecordHOG { get; set; } = false; // HOG features extracted from face images
public bool Record2DLandmarks { get; set; } = true; // 2D locations of facial landmarks (in pixels)
public bool Record3DLandmarks { get; set; } = true; // 3D locations of facial landmarks (in pixels)
public bool RecordModelParameters { get; set; } = true; // Facial shape parameters (rigid and non-rigid geometry)
public bool RecordPose { get; set; } = true; // Head pose (position and orientation)
public bool RecordAUs { get; set; } = true; // Facial action units
public bool RecordGaze { get; set; } = true; // Eye gaze
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// Visualisation options
public bool ShowTrackedVideo { get; set; } = true; // Showing the actual tracking
public bool ShowAppearance { get; set; } = true; // Showing appeaance features like HOG
public bool ShowGeometry { get; set; } = true; // Showing geometry features, pose, gaze, and non-rigid
public bool ShowAUs { get; set; } = true; // Showing Facial Action Units
int image_output_size = 112;
// Where the recording is done (by default in a record directory, from where the application executed)
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String record_root = "./record";
// For AU prediction, if videos are long dynamic models should be used
public bool DynamicAUModels { get; set; } = true;
// Camera calibration parameters
public double fx = -1, fy = -1, cx = -1, cy = -1;
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bool estimate_camera_parameters = true;
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public MainWindow()
{
InitializeComponent();
this.DataContext = this; // For WPF data binding
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// Set the icon
Uri iconUri = new Uri("logo1.ico", UriKind.RelativeOrAbsolute);
this.Icon = BitmapFrame.Create(iconUri);
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String root = AppDomain.CurrentDomain.BaseDirectory;
clnf_params = new FaceModelParameters(root, false);
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clnf_model = new CLNF(clnf_params);
face_analyser = new FaceAnalyserManaged(root, DynamicAUModels, image_output_size);
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}
// ----------------------------------------------------------
// Actual work gets done here
// The main function call for processing images or video files, TODO rename this as it is not a loop
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private void ProcessingLoop(String[] filenames, int cam_id = -1, int width = -1, int height = -1, bool multi_face = false)
{
SetupFeatureExtractionMode();
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thread_running = true;
// Create the video capture and call the VideoLoop
if (filenames != null)
{
clnf_params.optimiseForVideo();
if (cam_id == -2)
{
List<String> image_files_all = new List<string>();
foreach (string image_name in filenames)
image_files_all.Add(image_name);
// Loading an image sequence that represents a video
capture = new Capture(image_files_all);
if (capture.isOpened())
{
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// Prepare recording if any based on the directory
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String file_no_ext = System.IO.Path.GetDirectoryName(filenames[0]);
file_no_ext = System.IO.Path.GetFileName(file_no_ext);
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// Start the actual processing and recording
FeatureExtractionLoop(file_no_ext);
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}
else
{
string messageBoxText = "Failed to open an image";
string caption = "Not valid file";
MessageBoxButton button = MessageBoxButton.OK;
MessageBoxImage icon = MessageBoxImage.Warning;
// Display message box
MessageBox.Show(messageBoxText, caption, button, icon);
}
}
else if (cam_id == -3)
{
SetupImageMode();
clnf_params.optimiseForImages();
// Loading an image file (or a number of them)
foreach (string filename in filenames)
{
if (!thread_running)
{
continue;
}
capture = new Capture(filename);
if (capture.isOpened())
{
// Start the actual processing
ProcessImage();
}
else
{
string messageBoxText = "File is not an image or the decoder is not supported.";
string caption = "Not valid file";
MessageBoxButton button = MessageBoxButton.OK;
MessageBoxImage icon = MessageBoxImage.Warning;
// Display message box
MessageBox.Show(messageBoxText, caption, button, icon);
}
}
}
else
{
clnf_params.optimiseForVideo();
// Loading a video file (or a number of them)
foreach (string filename in filenames)
{
if (!thread_running)
{
continue;
}
capture = new Capture(filename);
if (capture.isOpened())
{
String file_no_ext = System.IO.Path.GetFileNameWithoutExtension(filename);
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// Start the actual processing
FeatureExtractionLoop(file_no_ext);
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}
else
{
string messageBoxText = "File is not a video or the codec is not supported.";
string caption = "Not valid file";
MessageBoxButton button = MessageBoxButton.OK;
MessageBoxImage icon = MessageBoxImage.Warning;
// Display message box
MessageBox.Show(messageBoxText, caption, button, icon);
}
}
}
}
EndMode();
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}
// Capturing and processing the video frame by frame
private void ProcessImage()
{
Thread.CurrentThread.IsBackground = true;
clnf_model.Reset();
face_analyser.Reset();
//////////////////////////////////////////////
// CAPTURE FRAME AND DETECT LANDMARKS FOLLOWED BY THE REQUIRED IMAGE PROCESSING
//////////////////////////////////////////////
RawImage frame = null;
double progress = -1;
frame = new RawImage(capture.GetNextFrame(false));
progress = capture.GetProgress();
if (frame.Width == 0)
{
// This indicates that we reached the end of the video file
return;
}
var grayFrame = new RawImage(capture.GetCurrentFrameGray());
if (grayFrame == null)
{
Console.WriteLine("Gray is empty");
return;
}
List<List<Tuple<double, double>>> landmark_detections = ProcessImage(clnf_model, clnf_params, frame, grayFrame);
List<Point> landmark_points = new List<Point>();
for (int i = 0; i < landmark_detections.Count; ++i)
{
List<Tuple<double, double>> landmarks = landmark_detections[i];
foreach (var p in landmarks)
{
landmark_points.Add(new Point(p.Item1, p.Item2));
}
}
// Visualisation
if (ShowTrackedVideo)
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{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
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{
if (latest_img == null)
{
latest_img = frame.CreateWriteableBitmap();
}
frame.UpdateWriteableBitmap(latest_img);
video.Source = latest_img;
video.Confidence = 1;
video.FPS = processing_fps.GetFPS();
video.Progress = progress;
video.OverlayLines = new List<Tuple<Point, Point>>();
video.OverlayPoints = landmark_points;
}));
}
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latest_img = null;
}
// Capturing and processing the video frame by frame
private void FeatureExtractionLoop(string output_file_name)
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{
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DateTime? startTime = CurrentTime;
var lastFrameTime = CurrentTime;
clnf_model.Reset();
face_analyser.Reset();
// If the camera calibration parameters are not set (indicated by -1), guesstimate them
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if(estimate_camera_parameters || fx == -1 || fy == -1 || cx == -1 || cy == -1)
{
fx = 500.0 * (capture.width / 640.0);
fy = 500.0 * (capture.height / 480.0);
fx = (fx + fy) / 2.0;
fy = fx;
cx = capture.width / 2f;
cy = capture.height / 2f;
}
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// Setup the recorder first
recorder = new Recorder(record_root, output_file_name, capture.width, capture.height, Record2DLandmarks, Record3DLandmarks, RecordModelParameters, RecordPose,
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RecordAUs, RecordGaze, RecordAligned, RecordHOG, clnf_model, face_analyser, fx, fy, cx, cy, DynamicAUModels);
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int frame_id = 0;
double fps = capture.GetFPS();
if (fps <= 0) fps = 30;
while (thread_running)
{
//////////////////////////////////////////////
// CAPTURE FRAME AND DETECT LANDMARKS FOLLOWED BY THE REQUIRED IMAGE PROCESSING
//////////////////////////////////////////////
RawImage frame = null;
double progress = -1;
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frame = new RawImage(capture.GetNextFrame(false));
progress = capture.GetProgress();
if (frame.Width == 0)
{
// This indicates that we reached the end of the video file
break;
}
lastFrameTime = CurrentTime;
processing_fps.AddFrame();
var grayFrame = new RawImage(capture.GetCurrentFrameGray());
if (grayFrame == null)
{
Console.WriteLine("Gray is empty");
continue;
}
detectionSucceeding = ProcessFrame(clnf_model, clnf_params, frame, grayFrame, fx, fy, cx, cy);
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// The face analysis step (for AUs and eye gaze)
face_analyser.AddNextFrame(frame, clnf_model, fx, fy, cx, cy, false, ShowAppearance, false); // TODO change
recorder.RecordFrame(clnf_model, face_analyser, detectionSucceeding, frame_id + 1, ((double)frame_id) / fps);
List<Tuple<double, double>> landmarks = clnf_model.CalculateLandmarks();
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VisualizeFeatures(frame, landmarks, fx, fy, cx, cy, progress);
while (thread_running & thread_paused && skip_frames == 0)
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{
Thread.Sleep(10);
}
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frame_id++;
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if (skip_frames > 0)
skip_frames--;
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}
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latest_img = null;
skip_frames = 0;
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// Unpause if it's paused
if (thread_paused)
{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
{
PauseButton_Click(null, null);
}));
}
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recorder.FinishRecording(clnf_model, face_analyser);
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}
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// Replaying the features frame by frame
private void FeatureVisualizationLoop(string input_feature_file, string input_video_file)
{
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DateTime? startTime = CurrentTime;
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var lastFrameTime = CurrentTime;
int frame_id = 0;
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double fps = capture.GetFPS();
if (fps <= 0) fps = 30;
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while (thread_running)
{
//////////////////////////////////////////////
// CAPTURE FRAME AND DETECT LANDMARKS FOLLOWED BY THE REQUIRED IMAGE PROCESSING
//////////////////////////////////////////////
RawImage frame = null;
double progress = -1;
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frame = new RawImage(capture.GetNextFrame(false));
progress = capture.GetProgress();
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if (frame.Width == 0)
{
// This indicates that we reached the end of the video file
break;
}
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// TODO stop button should actually clear the video
lastFrameTime = CurrentTime;
processing_fps.AddFrame();
var grayFrame = new RawImage(capture.GetCurrentFrameGray());
if (grayFrame == null)
{
Console.WriteLine("Gray is empty");
continue;
}
detectionSucceeding = ProcessFrame(clnf_model, clnf_params, frame, grayFrame, fx, fy, cx, cy);
// The face analysis step (for AUs and eye gaze)
face_analyser.AddNextFrame(frame, clnf_model, fx, fy, cx, cy, false, ShowAppearance, false); // TODO change
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recorder.RecordFrame(clnf_model, face_analyser, detectionSucceeding, frame_id + 1, ((double)frame_id) / fps);
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List<Tuple<double, double>> landmarks = clnf_model.CalculateLandmarks();
VisualizeFeatures(frame, landmarks, fx, fy, cx, cy, progress);
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while (thread_running & thread_paused && skip_frames == 0)
{
Thread.Sleep(10);
}
frame_id++;
if (skip_frames > 0)
skip_frames--;
}
latest_img = null;
skip_frames = 0;
// Unpause if it's paused
if (thread_paused)
{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
{
PauseButton_Click(null, null);
}));
}
recorder.FinishRecording(clnf_model, face_analyser);
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}
private void VisualizeFeatures(RawImage frame, List<Tuple<double, double>> landmarks, double fx, double fy, double cx, double cy, double progress)
{
List<Tuple<Point, Point>> lines = null;
List<Tuple<double, double>> eye_landmarks = null;
List<Tuple<Point, Point>> gaze_lines = null;
Tuple<double, double> gaze_angle = new Tuple<double, double>(0, 0);
List<double> pose = new List<double>();
clnf_model.GetPose(pose, fx, fy, cx, cy);
List<double> non_rigid_params = clnf_model.GetNonRigidParams();
double confidence = (-clnf_model.GetConfidence()) / 2.0 + 0.5;
if (confidence < 0)
confidence = 0;
else if (confidence > 1)
confidence = 1;
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double scale = 0;
if (detectionSucceeding)
{
eye_landmarks = clnf_model.CalculateEyeLandmarks();
lines = clnf_model.CalculateBox((float)fx, (float)fy, (float)cx, (float)cy);
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scale = clnf_model.GetRigidParams()[0];
gaze_lines = face_analyser.CalculateGazeLines(scale, (float)fx, (float)fy, (float)cx, (float)cy);
gaze_angle = face_analyser.GetGazeAngle();
}
// Visualisation (as a separate function)
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 200), (Action)(() =>
{
if (ShowAUs)
{
var au_classes = face_analyser.GetCurrentAUsClass();
var au_regs = face_analyser.GetCurrentAUsReg();
auClassGraph.Update(au_classes);
var au_regs_scaled = new Dictionary<String, double>();
foreach (var au_reg in au_regs)
{
au_regs_scaled[au_reg.Key] = au_reg.Value / 5.0;
if (au_regs_scaled[au_reg.Key] < 0)
au_regs_scaled[au_reg.Key] = 0;
if (au_regs_scaled[au_reg.Key] > 1)
au_regs_scaled[au_reg.Key] = 1;
}
auRegGraph.Update(au_regs_scaled);
}
if (ShowGeometry)
{
int yaw = (int)(pose[4] * 180 / Math.PI + 0.5);
int roll = (int)(pose[5] * 180 / Math.PI + 0.5);
int pitch = (int)(pose[3] * 180 / Math.PI + 0.5);
YawLabel.Content = yaw + "°";
RollLabel.Content = roll + "°";
PitchLabel.Content = pitch + "°";
XPoseLabel.Content = (int)pose[0] + " mm";
YPoseLabel.Content = (int)pose[1] + " mm";
ZPoseLabel.Content = (int)pose[2] + " mm";
nonRigidGraph.Update(non_rigid_params);
// Update eye gaze
String x_angle = String.Format("{0:F0}°", gaze_angle.Item1 * (180.0 / Math.PI));
String y_angle = String.Format("{0:F0}°", gaze_angle.Item2 * (180.0 / Math.PI));
GazeXLabel.Content = x_angle;
GazeYLabel.Content = y_angle;
}
if (ShowTrackedVideo)
{
if (latest_img == null)
{
latest_img = frame.CreateWriteableBitmap();
}
frame.UpdateWriteableBitmap(latest_img);
video.Source = latest_img;
video.Confidence = confidence;
video.FPS = processing_fps.GetFPS();
video.Progress = progress;
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video.FaceScale = scale;
if (!detectionSucceeding)
{
video.OverlayLines.Clear();
video.OverlayPoints.Clear();
video.OverlayEyePoints.Clear();
video.GazeLines.Clear();
}
else
{
video.OverlayLines = lines;
List<Point> landmark_points = new List<Point>();
foreach (var p in landmarks)
{
landmark_points.Add(new Point(p.Item1, p.Item2));
}
List<Point> eye_landmark_points = new List<Point>();
foreach (var p in eye_landmarks)
{
eye_landmark_points.Add(new Point(p.Item1, p.Item2));
}
video.OverlayPoints = landmark_points;
video.OverlayEyePoints = eye_landmark_points;
video.GazeLines = gaze_lines;
}
}
if (ShowAppearance)
{
RawImage aligned_face = face_analyser.GetLatestAlignedFace();
RawImage hog_face = face_analyser.GetLatestHOGDescriptorVisualisation();
if (latest_aligned_face == null)
{
latest_aligned_face = aligned_face.CreateWriteableBitmap();
latest_HOG_descriptor = hog_face.CreateWriteableBitmap();
}
aligned_face.UpdateWriteableBitmap(latest_aligned_face);
hog_face.UpdateWriteableBitmap(latest_HOG_descriptor);
AlignedFace.Source = latest_aligned_face;
AlignedHOG.Source = latest_HOG_descriptor;
}
}));
}
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private void StopTracking()
{
// First complete the running of the thread
if (processing_thread != null)
{
// Tell the other thread to finish
thread_running = false;
processing_thread.Join();
}
}
// ----------------------------------------------------------
// Interacting with landmark detection and face analysis
private bool ProcessFrame(CLNF clnf_model, FaceModelParameters clnf_params, RawImage frame, RawImage grayscale_frame, double fx, double fy, double cx, double cy)
{
detectionSucceeding = clnf_model.DetectLandmarksInVideo(grayscale_frame, clnf_params);
return detectionSucceeding;
}
private List<List<Tuple<double, double>>> ProcessImage(CLNF clnf_model, FaceModelParameters clnf_params, RawImage frame, RawImage grayscale_frame)
{
List<List<Tuple<double, double>>> landmark_detections = clnf_model.DetectMultiFaceLandmarksInImage(grayscale_frame, clnf_params);
return landmark_detections;
}
// ----------------------------------------------------------
// Mode handling (image, video)
// ----------------------------------------------------------
private void SetupImageMode()
{
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// Turn off unneeded visualisations
ShowTrackedVideo = true;
ShowAppearance = false;
ShowGeometry = false;
ShowAUs = false;
RecordAligned = false;
RecordHOG = false;
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// Actually update the GUI accordingly
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 0, 2000), (Action)(() =>
{
VisualisationChange(null, null);
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}));
// TODO change what next and back buttons do?
}
// Disable GUI components that should not be active during processing
private void SetupFeatureExtractionMode()
{
Dispatcher.Invoke((Action)(() =>
{
SettingsMenu.IsEnabled = false;
RecordingMenu.IsEnabled = false;
AUSetting.IsEnabled = false;
PauseButton.IsEnabled = true;
StopButton.IsEnabled = true;
NextFiveFramesButton.IsEnabled = false;
NextFrameButton.IsEnabled = false;
}));
}
// When the processing is done re-enable the components
private void EndMode()
{
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 1, 0), (Action)(() =>
{
SettingsMenu.IsEnabled = true;
RecordingMenu.IsEnabled = true;
AUSetting.IsEnabled = true;
PauseButton.IsEnabled = false;
StopButton.IsEnabled = false;
NextFiveFramesButton.IsEnabled = false;
NextFrameButton.IsEnabled = false;
// Clean up the interface itself
video.Source = null;
auClassGraph.Update(new Dictionary<string, double>());
auRegGraph.Update(new Dictionary<string, double>());
YawLabel.Content = "0°";
RollLabel.Content = "0°";
PitchLabel.Content = "0°";
XPoseLabel.Content = "0 mm";
YPoseLabel.Content = "0 mm";
ZPoseLabel.Content = "0 mm";
nonRigidGraph.Update(new List<double>());
GazeXLabel.Content = "0°";
GazeYLabel.Content = "0°";
AlignedFace.Source = null;
AlignedHOG.Source = null;
}));
}
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// ----------------------------------------------------------
// Opening Videos/Images
// ----------------------------------------------------------
private void videoFileOpenClick(object sender, RoutedEventArgs e)
{
new Thread(() => openVideoFile()).Start();
}
private void openVideoFile()
{
StopTracking();
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 2, 0), (Action)(() =>
{
var d = new OpenFileDialog();
d.Multiselect = true;
d.Filter = "Video files|*.avi;*.wmv;*.mov;*.mpg;*.mpeg;*.mp4";
if (d.ShowDialog(this) == true)
{
string[] video_files = d.FileNames;
processing_thread = new Thread(() => ProcessingLoop(video_files));
processing_thread.Start();
}
}));
}
private void imageFileOpenClick(object sender, RoutedEventArgs e)
{
new Thread(() => imageOpen()).Start();
}
private void imageOpen()
{
StopTracking();
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 2, 0), (Action)(() =>
{
var d = new OpenFileDialog();
d.Multiselect = true;
d.Filter = "Image files|*.jpg;*.jpeg;*.bmp;*.png;*.gif";
if (d.ShowDialog(this) == true)
{
string[] image_files = d.FileNames;
processing_thread = new Thread(() => ProcessingLoop(image_files, -3));
processing_thread.Start();
}
}));
}
private void imageSequenceFileOpenClick(object sender, RoutedEventArgs e)
{
new Thread(() => imageSequenceOpen()).Start();
}
private void imageSequenceOpen()
{
StopTracking();
Dispatcher.Invoke(DispatcherPriority.Render, new TimeSpan(0, 0, 0, 2, 0), (Action)(() =>
{
var d = new OpenFileDialog();
d.Multiselect = true;
d.Filter = "Image files|*.jpg;*.jpeg;*.bmp;*.png;*.gif";
if (d.ShowDialog(this) == true)
{
string[] image_files = d.FileNames;
processing_thread = new Thread(() => ProcessingLoop(image_files, -2));
processing_thread.Start();
}
}));
}
// --------------------------------------------------------
// Button handling
// --------------------------------------------------------
// Cleanup stuff when closing the window
private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (processing_thread != null)
{
// Stop capture and tracking
thread_running = false;
processing_thread.Join();
capture.Dispose();
}
face_analyser.Dispose();
}
// Stopping the tracking
private void StopButton_Click(object sender, RoutedEventArgs e)
{
if (processing_thread != null)
{
// Stop capture and tracking
thread_paused = false;
thread_running = false;
// Let the processing thread finish
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processing_thread.Join();
// Clean up the interface
EndMode();
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}
}
private void PauseButton_Click(object sender, RoutedEventArgs e)
{
if (processing_thread != null)
{
// Stop capture and tracking
thread_paused = !thread_paused;
NextFrameButton.IsEnabled = thread_paused;
NextFiveFramesButton.IsEnabled = thread_paused;
if (thread_paused)
{
PauseButton.Content = "Resume";
}
else
{
PauseButton.Content = "Pause";
}
}
}
private void SkipButton_Click(object sender, RoutedEventArgs e)
{
if (sender.Equals(NextFrameButton))
{
skip_frames += 1;
}
else if (sender.Equals(NextFiveFramesButton))
{
skip_frames += 5;
}
}
private void VisualisationChange(object sender, RoutedEventArgs e)
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{
// Collapsing or restoring the windows here
if (!ShowTrackedVideo)
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{
VideoBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[0].Width = new GridLength(0, GridUnitType.Star);
}
else
{
VideoBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[0].Width = new GridLength(2.1, GridUnitType.Star);
}
if (!ShowAppearance)
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{
AppearanceBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[1].Width = new GridLength(0, GridUnitType.Star);
}
else
{
AppearanceBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[1].Width = new GridLength(0.8, GridUnitType.Star);
}
// Collapsing or restoring the windows here
if (!ShowGeometry)
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{
GeometryBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[2].Width = new GridLength(0, GridUnitType.Star);
}
else
{
GeometryBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[2].Width = new GridLength(1.0, GridUnitType.Star);
}
// Collapsing or restoring the windows here
if (!ShowAUs)
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{
ActionUnitBorder.Visibility = System.Windows.Visibility.Collapsed;
MainGrid.ColumnDefinitions[3].Width = new GridLength(0, GridUnitType.Star);
}
else
{
ActionUnitBorder.Visibility = System.Windows.Visibility.Visible;
MainGrid.ColumnDefinitions[3].Width = new GridLength(1.6, GridUnitType.Star);
}
}
private void UseDynamicModelsCheckBox_Click(object sender, RoutedEventArgs e)
{
// Change the face analyser, this should be safe as the model is only allowed to change when not running
String root = AppDomain.CurrentDomain.BaseDirectory;
face_analyser = new FaceAnalyserManaged(root, DynamicAUModels, image_output_size);
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}
private void setOutputImageSize_Click(object sender, RoutedEventArgs e)
{
NumberEntryWindow number_entry_window = new NumberEntryWindow(image_output_size);
number_entry_window.Icon = this.Icon;
number_entry_window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
if (number_entry_window.ShowDialog() == true)
{
image_output_size = number_entry_window.OutputInt;
String root = AppDomain.CurrentDomain.BaseDirectory;
face_analyser = new FaceAnalyserManaged(root, DynamicAUModels, image_output_size);
}
}
private void setCameraParameters_Click(object sender, RoutedEventArgs e)
{
CameraParametersEntry camera_params_entry_window = new CameraParametersEntry(fx, fy, cx, cy);
camera_params_entry_window.Icon = this.Icon;
camera_params_entry_window.WindowStartupLocation = WindowStartupLocation.CenterScreen;
if (camera_params_entry_window.ShowDialog() == true)
{
fx = camera_params_entry_window.Fx;
fy = camera_params_entry_window.Fy;
cx = camera_params_entry_window.Cx;
cy = camera_params_entry_window.Cy;
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if(fx == -1 || fy == -1 || cx == -1 || cy == -1)
{
estimate_camera_parameters = true;
}
else
{
estimate_camera_parameters = false;
}
}
}
private void OutputLocationItem_Click(object sender, RoutedEventArgs e)
{
var dlg = new CommonOpenFileDialog();
dlg.Title = "Select output directory";
dlg.IsFolderPicker = true;
dlg.AllowNonFileSystemItems = false;
dlg.EnsureFileExists = true;
dlg.EnsurePathExists = true;
dlg.EnsureReadOnly = false;
dlg.EnsureValidNames = true;
dlg.Multiselect = false;
dlg.ShowPlacesList = true;
if (dlg.ShowDialog() == CommonFileDialogResult.Ok)
{
var folder = dlg.FileName;
record_root = folder;
}
}
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}
}