231 lines
12 KiB
C#
231 lines
12 KiB
C#
///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2016, Carnegie Mellon University and University of Cambridge,
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// all rights reserved.
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//
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// THIS SOFTWARE IS PROVIDED “AS IS” FOR ACADEMIC USE ONLY AND ANY EXPRESS
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// OR IMPLIED WARRANTIES WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
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// BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY.
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// OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Notwithstanding the license granted herein, Licensee acknowledges that certain components
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// of the Software may be covered by so-called “open source” software licenses (“Open Source
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// Components”), which means any software licenses approved as open source licenses by the
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// Open Source Initiative or any substantially similar licenses, including without limitation any
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// license that, as a condition of distribution of the software licensed under such license,
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// requires that the distributor make the software available in source code format. Licensor shall
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// provide a list of Open Source Components for a particular version of the Software upon
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// Licensee’s request. Licensee will comply with the applicable terms of such licenses and to
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// the extent required by the licenses covering Open Source Components, the terms of such
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// licenses will apply in lieu of the terms of this Agreement. To the extent the terms of the
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// licenses applicable to Open Source Components prohibit any of the restrictions in this
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// License Agreement with respect to such Open Source Component, such restrictions will not
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// apply to such Open Source Component. To the extent the terms of the licenses applicable to
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// Open Source Components require Licensor to make an offer to provide source code or
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// related information in connection with the Software, such offer is hereby made. Any request
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// for source code or related information should be directed to cl-face-tracker-distribution@lists.cam.ac.uk
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// Licensee acknowledges receipt of notices for the Open Source Components for the initial
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// delivery of the Software.
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// * Any publications arising from the use of this software, including but
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// not limited to academic journal and conference publications, technical
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// reports and manuals, must cite at least one of the following works:
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//
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// OpenFace: an open source facial behavior analysis toolkit
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// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency
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// in IEEE Winter Conference on Applications of Computer Vision, 2016
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//
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// Rendering of Eyes for Eye-Shape Registration and Gaze Estimation
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// Erroll Wood, Tadas Baltrušaitis, Xucong Zhang, Yusuke Sugano, Peter Robinson, and Andreas Bulling
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// in IEEE International. Conference on Computer Vision (ICCV), 2015
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//
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// Cross-dataset learning and person-speci?c normalisation for automatic Action Unit detection
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// Tadas Baltrušaitis, Marwa Mahmoud, and Peter Robinson
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// in Facial Expression Recognition and Analysis Challenge,
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// IEEE International Conference on Automatic Face and Gesture Recognition, 2015
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//
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// Constrained Local Neural Fields for robust facial landmark detection in the wild.
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// Tadas Baltrušaitis, Peter Robinson, and Louis-Philippe Morency.
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// in IEEE Int. Conference on Computer Vision Workshops, 300 Faces in-the-Wild Challenge, 2013.
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//
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///////////////////////////////////////////////////////////////////////////////
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using System;
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using System.Collections.Generic;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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namespace OpenFaceOffline
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{
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/// <summary>
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/// Interaction logic for OverlayImage.xaml
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/// </summary>
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public partial class OverlayImage : Image
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{
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public OverlayImage()
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{
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InitializeComponent();
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OverlayLines = new List<Tuple<Point, Point>>();
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OverlayPoints = new List<Point>();
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OverlayPointsVisibility = new List<bool>();
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OverlayEyePoints = new List<Point>();
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GazeLines = new List<Tuple<Point, Point>>();
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Progress = -1;
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}
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protected override void OnRender(DrawingContext dc)
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{
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base.OnRender(dc);
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if (OverlayLines == null)
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OverlayLines = new List<Tuple<Point, Point>>();
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if (OverlayPoints == null)
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OverlayPoints = new List<Point>();
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if (OverlayPointsVisibility == null)
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OverlayPointsVisibility = new List<bool>();
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if (OverlayEyePoints == null)
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OverlayEyePoints = new List<Point>();
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if (Source == null || !(Source is WriteableBitmap))
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return;
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var width = ((WriteableBitmap)Source).PixelWidth;
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var height = ((WriteableBitmap)Source).PixelHeight;
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// The point and line size should be proportional to the face size and the image scaling
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double scaling_p = 0.88 * FaceScale * ActualWidth / width;
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// Don't let it get too small
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if (scaling_p < 0.6)
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scaling_p = 0.6;
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foreach (var line in OverlayLines)
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{
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var p1 = new Point(ActualWidth * line.Item1.X / width, ActualHeight * line.Item1.Y / height);
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var p2 = new Point(ActualWidth * line.Item2.X / width, ActualHeight * line.Item2.Y / height);
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dc.DrawLine(new Pen(new SolidColorBrush(Color.FromArgb(200, (byte)(100 + (155 * (1 - Confidence))), (byte)(100 + (155 * Confidence)), 100)), 2.0 * scaling_p), p1, p2);
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}
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foreach (var line in GazeLines)
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{
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var p1 = new Point(ActualWidth * line.Item1.X / width, ActualHeight * line.Item1.Y / height);
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var p2 = new Point(ActualWidth * line.Item2.X / width, ActualHeight * line.Item2.Y / height);
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var dir = p2 - p1;
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p2 = p1 + dir * scaling_p * 2;
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dc.DrawLine(new Pen(new SolidColorBrush(Color.FromArgb(200, (byte)(240), (byte)(30), (byte)100)), 6.0 * scaling_p), p1, p2);
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}
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for (int i = 0; i < OverlayPoints.Count; ++i)
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{
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var p = OverlayPoints[i];
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var q = new Point(ActualWidth * p.X / width, ActualHeight * p.Y / height);
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if(OverlayPointsVisibility.Count == 0 || OverlayPointsVisibility[i])
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{
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dc.DrawEllipse(new SolidColorBrush(Color.FromArgb((byte)(230 * Confidence), 255, 50, 50)), null, q, 2.75 * scaling_p, 3.0 * scaling_p);
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dc.DrawEllipse(new SolidColorBrush(Color.FromArgb((byte)(230 * Confidence), 255, 255, 100)), null, q, 1.75 * scaling_p, 2.0 * scaling_p);
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}
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else
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{
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// Draw fainter if landmark not visible
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dc.DrawEllipse(new SolidColorBrush(Color.FromArgb((byte)(125 * Confidence), 255, 50, 50)), null, q, 2.75 * scaling_p, 3.0 * scaling_p);
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dc.DrawEllipse(new SolidColorBrush(Color.FromArgb((byte)(125 * Confidence), 255, 255, 100)), null, q, 1.75 * scaling_p, 2.0 * scaling_p);
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}
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}
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for (int id = 0; id < OverlayEyePoints.Count; id++)
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{
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var q1 = new Point(ActualWidth * OverlayEyePoints[id].X / width, ActualHeight * OverlayEyePoints[id].Y / height);
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// The the eye points can be defined for multiple faces, turn id's to be relevant to one face
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int id_internal = id % 56;
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int multiplier = id / 56;
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int next_point = id + 1;
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if (id_internal == 7) next_point = 0 + (multiplier * 56);
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if (id_internal == 19) next_point = 8 + (multiplier * 56);
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if (id_internal == 27) next_point = 20 + (multiplier * 56);
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if (id_internal == 35) next_point = 28 + (multiplier * 56);
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if (id_internal == 47) next_point = 36 + (multiplier * 56);
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if (id_internal == 55) next_point = 48 + (multiplier * 56);
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var q2 = new Point(ActualWidth * OverlayEyePoints[next_point].X / width, ActualHeight * OverlayEyePoints[next_point].Y / height);
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if (id_internal < 28 && (id_internal < 8 || id_internal > 19) || (id_internal >= 28 &&(id_internal - 28<8 || id_internal - 28 >19)))
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{
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dc.DrawLine(new Pen(new SolidColorBrush(Color.FromArgb(200, (byte)(240), (byte)(30), (byte)100)), 1.5 * scaling_p), q1, q2);
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}
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else
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{
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dc.DrawLine(new Pen(new SolidColorBrush(Color.FromArgb(200, (byte)(100), (byte)(30), (byte)240)), 2.5 * scaling_p), q1, q2);
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}
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}
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double scaling = ActualWidth / 400.0;
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int confidence_width = (int)(107.0 * scaling);
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int confidence_height = (int)(18.0 * scaling);
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Brush conf_brush = new SolidColorBrush(Color.FromRgb((byte)((1 - Confidence) * 255), (byte)(Confidence * 255), (byte)40));
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dc.DrawRoundedRectangle(conf_brush, new Pen(Brushes.Black, 0.5 * scaling), new Rect(ActualWidth - confidence_width - 1, 0, confidence_width, confidence_height), 3.0 * scaling, 3.0 * scaling);
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FormattedText txt = new FormattedText("Confidence: " + (int)(100 * Confidence) + "%", System.Globalization.CultureInfo.CurrentCulture, System.Windows.FlowDirection.LeftToRight, new Typeface("Verdana"), 12.0 * scaling, Brushes.Black);
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dc.DrawText(txt, new Point(ActualWidth - confidence_width + 2, 2));
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int fps_width = (int)(52.0 * scaling);
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int fps_height = (int)(18.0 * scaling);
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dc.DrawRoundedRectangle(Brushes.WhiteSmoke, new Pen(Brushes.Black, 0.5 * scaling), new Rect(0, 0, fps_width, fps_height), 3.0 * scaling, 3.0 * scaling);
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FormattedText fps_txt = new FormattedText("FPS: " + (int)FPS, System.Globalization.CultureInfo.CurrentCulture, System.Windows.FlowDirection.LeftToRight, new Typeface("Verdana"), 12.0 * scaling, Brushes.Black);
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dc.DrawText(fps_txt, new Point(2.0 * scaling, 0));
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old_width = width;
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old_height = height;
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// Drawing a progress bar at the bottom of the image
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if (Progress > 0)
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{
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int progress_bar_height = (int)(6.0 * scaling);
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dc.DrawRectangle(Brushes.GreenYellow, new Pen(Brushes.Black, 0.5 * scaling), new Rect(0, ActualHeight - progress_bar_height, Progress * ActualWidth, progress_bar_height));
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}
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}
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public List<Tuple<Point, Point>> OverlayLines { get; set; }
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public List<Tuple<Point, Point>> GazeLines { get; set; }
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public List<Point> OverlayPoints { get; set; }
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public List<bool> OverlayPointsVisibility { get; set; }
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public List<Point> OverlayEyePoints { get; set; }
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public double Confidence { get; set; }
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public double FPS { get; set; }
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public double FaceScale { get; set; }
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// 0 to 1 indicates how much video has been processed so far
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public double Progress { get; set; }
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int old_width;
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int old_height;
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}
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}
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