// Update is called once per frame
void Update()
{
// loop play.
if (capture.get(Videoio.CAP_PROP_POS_FRAMES) >= capture.get(Videoio.CAP_PROP_FRAME_COUNT))
{
capture.set(Videoio.CAP_PROP_POS_FRAMES, 0);
}
if (capture.grab())
{
capture.retrieve(rgbMat, 0);
Imgproc.cvtColor(rgbMat, rgbMat, Imgproc.COLOR_BGR2RGB);
//Debug.Log ("Mat toString " + rgbMat.ToString ());
// detect faces.
List <OpenCVForUnity.Rect> detectResult = new List <OpenCVForUnity.Rect> ();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
foreach (var unityRect in result)
{
detectResult.Add(new OpenCVForUnity.Rect((int)unityRect.x, (int)unityRect.y, (int)unityRect.width, (int)unityRect.height));
}
}
else
{
// convert image to greyscale.
Imgproc.cvtColor(rgbMat, grayMat, Imgproc.COLOR_RGB2GRAY);
using (Mat equalizeHistMat = new Mat())
using (MatOfRect faces = new MatOfRect()) {
Imgproc.equalizeHist(grayMat, equalizeHistMat);
cascade.detectMultiScale(equalizeHistMat, faces, 1.1f, 2, 0 | Objdetect.CASCADE_SCALE_IMAGE, new OpenCVForUnity.Size(equalizeHistMat.cols() * 0.15, equalizeHistMat.cols() * 0.15), new Size());
detectResult = faces.toList();
// adjust to Dilb's result.
foreach (OpenCVForUnity.Rect r in detectResult)
{
r.y += (int)(r.height * 0.1f);
}
}
}
// face tracking.
rectangleTracker.UpdateTrackedObjects(detectResult);
List <TrackedRect> trackedRects = new List <TrackedRect> ();
rectangleTracker.GetObjects(trackedRects, true);
// create noise filter.
foreach (var openCVRect in trackedRects)
{
if (openCVRect.state == TrackedState.NEW)
{
if (!lowPassFilterDict.ContainsKey(openCVRect.id))
{
lowPassFilterDict.Add(openCVRect.id, new LowPassPointsFilter((int)faceLandmarkDetector.GetShapePredictorNumParts()));
}
if (!opticalFlowFilterDict.ContainsKey(openCVRect.id))
{
opticalFlowFilterDict.Add(openCVRect.id, new OFPointsFilter((int)faceLandmarkDetector.GetShapePredictorNumParts()));
}
}
else if (openCVRect.state == TrackedState.DELETED)
{
if (lowPassFilterDict.ContainsKey(openCVRect.id))
{
lowPassFilterDict [openCVRect.id].Dispose();
lowPassFilterDict.Remove(openCVRect.id);
}
if (opticalFlowFilterDict.ContainsKey(openCVRect.id))
{
opticalFlowFilterDict [openCVRect.id].Dispose();
opticalFlowFilterDict.Remove(openCVRect.id);
}
}
}
// create LUT texture.
foreach (var openCVRect in trackedRects)
{
if (openCVRect.state == TrackedState.NEW)
{
faceMaskColorCorrector.CreateLUTTex(openCVRect.id);
}
else if (openCVRect.state == TrackedState.DELETED)
{
faceMaskColorCorrector.DeleteLUTTex(openCVRect.id);
}
}
// detect face landmark points.
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> > ();
for (int i = 0; i < trackedRects.Count; i++)
{
TrackedRect tr = trackedRects [i];
UnityEngine.Rect rect = new UnityEngine.Rect(tr.x, tr.y, tr.width, tr.height);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
// apply noise filter.
if (enableNoiseFilter)
{
if (tr.state > TrackedState.NEW && tr.state < TrackedState.DELETED)
{
opticalFlowFilterDict [tr.id].Process(rgbMat, points, points);
lowPassFilterDict [tr.id].Process(rgbMat, points, points);
}
}
landmarkPoints.Add(points);
}
// face masking.
if (faceMaskTexture != null && landmarkPoints.Count >= 1) // Apply face masking between detected faces and a face mask image.
{
float maskImageWidth = faceMaskTexture.width;
float maskImageHeight = faceMaskTexture.height;
TrackedRect tr;
for (int i = 0; i < trackedRects.Count; i++)
{
tr = trackedRects [i];
if (tr.state == TrackedState.NEW)
{
meshOverlay.CreateObject(tr.id, faceMaskTexture);
}
if (tr.state < TrackedState.DELETED)
{
MaskFace(meshOverlay, tr, landmarkPoints [i], faceLandmarkPointsInMask, maskImageWidth, maskImageHeight);
if (enableColorCorrection)
{
CorrectFaceMaskColor(tr.id, faceMaskMat, rgbMat, faceLandmarkPointsInMask, landmarkPoints [i]);
}
}
else if (tr.state == TrackedState.DELETED)
{
meshOverlay.DeleteObject(tr.id);
}
}
}
else if (landmarkPoints.Count >= 1) // Apply face masking between detected faces.
{
float maskImageWidth = texture.width;
float maskImageHeight = texture.height;
TrackedRect tr;
for (int i = 0; i < trackedRects.Count; i++)
{
tr = trackedRects [i];
if (tr.state == TrackedState.NEW)
{
meshOverlay.CreateObject(tr.id, texture);
}
if (tr.state < TrackedState.DELETED)
{
MaskFace(meshOverlay, tr, landmarkPoints [i], landmarkPoints [0], maskImageWidth, maskImageHeight);
if (enableColorCorrection)
{
CorrectFaceMaskColor(tr.id, rgbMat, rgbMat, landmarkPoints [0], landmarkPoints [i]);
}
}
else if (tr.state == TrackedState.DELETED)
{
meshOverlay.DeleteObject(tr.id);
}
}
}
// draw face rects.
if (displayFaceRects)
{
for (int i = 0; i < detectResult.Count; i++)
{
UnityEngine.Rect rect = new UnityEngine.Rect(detectResult [i].x, detectResult [i].y, detectResult [i].width, detectResult [i].height);
OpenCVForUnityUtils.DrawFaceRect(rgbMat, rect, new Scalar(255, 0, 0, 255), 2);
}
for (int i = 0; i < trackedRects.Count; i++)
{
UnityEngine.Rect rect = new UnityEngine.Rect(trackedRects [i].x, trackedRects [i].y, trackedRects [i].width, trackedRects [i].height);
OpenCVForUnityUtils.DrawFaceRect(rgbMat, rect, new Scalar(255, 255, 0, 255), 2);
//Imgproc.putText (rgbaMat, " " + frontalFaceChecker.GetFrontalFaceAngles (landmarkPoints [i]), new Point (rect.xMin, rect.yMin - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
//Imgproc.putText (rgbaMat, " " + frontalFaceChecker.GetFrontalFaceRate (landmarkPoints [i]), new Point (rect.xMin, rect.yMin - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
}
}
// draw face points.
if (displayDebugFacePoints)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
OpenCVForUnityUtils.DrawFaceLandmark(rgbMat, landmarkPoints [i], new Scalar(0, 255, 0, 255), 2);
}
}
// display face mask image.
if (faceMaskTexture != null && faceMaskMat != null)
{
if (displayFaceRects)
{
OpenCVForUnityUtils.DrawFaceRect(faceMaskMat, faceRectInMask, new Scalar(255, 0, 0, 255), 2);
}
if (displayDebugFacePoints)
{
OpenCVForUnityUtils.DrawFaceLandmark(faceMaskMat, faceLandmarkPointsInMask, new Scalar(0, 255, 0, 255), 2);
}
float scale = (rgbMat.width() / 4f) / faceMaskMat.width();
float tx = rgbMat.width() - faceMaskMat.width() * scale;
float ty = 0.0f;
Mat trans = new Mat(2, 3, CvType.CV_32F);//1.0, 0.0, tx, 0.0, 1.0, ty);
trans.put(0, 0, scale);
trans.put(0, 1, 0.0f);
trans.put(0, 2, tx);
trans.put(1, 0, 0.0f);
trans.put(1, 1, scale);
trans.put(1, 2, ty);
Imgproc.warpAffine(faceMaskMat, rgbMat, trans, rgbMat.size(), Imgproc.INTER_LINEAR, Core.BORDER_TRANSPARENT, new Scalar(0));
if (displayFaceRects || displayDebugFacePointsToggle)
{
OpenCVForUnity.Utils.texture2DToMat(faceMaskTexture, faceMaskMat);
}
}
// Imgproc.putText (rgbMat, "W:" + rgbMat.width () + " H:" + rgbMat.height () + " SO:" + Screen.orientation, new Point (5, rgbMat.rows () - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.Utils.fastMatToTexture2D(rgbMat, texture);
}
}
// Update is called once per frame
void Update()
{
// loop play.
if (capture.get(Videoio.CAP_PROP_POS_FRAMES) >= capture.get(Videoio.CAP_PROP_FRAME_COUNT))
{
capture.set(Videoio.CAP_PROP_POS_FRAMES, 0);
}
if (capture.grab())
{
capture.retrieve(rgbMat, 0);
Imgproc.cvtColor(rgbMat, rgbMat, Imgproc.COLOR_BGR2RGB);
//Debug.Log ("Mat toString " + rgbMat.ToString ());
// detect faces.
List <OpenCVForUnity.Rect> detectResult = new List <OpenCVForUnity.Rect> ();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
foreach (var unityRect in result)
{
detectResult.Add(new OpenCVForUnity.Rect((int)unityRect.x, (int)unityRect.y, (int)unityRect.width, (int)unityRect.height));
}
}
else
{
// convert image to greyscale.
Imgproc.cvtColor(rgbMat, grayMat, Imgproc.COLOR_RGB2GRAY);
using (Mat equalizeHistMat = new Mat())
using (MatOfRect faces = new MatOfRect()) {
Imgproc.equalizeHist(grayMat, equalizeHistMat);
cascade.detectMultiScale(equalizeHistMat, faces, 1.1f, 2, 0 | Objdetect.CASCADE_SCALE_IMAGE, new OpenCVForUnity.Size(equalizeHistMat.cols() * 0.15, equalizeHistMat.cols() * 0.15), new Size());
detectResult = faces.toList();
// adjust to Dilb's result.
foreach (OpenCVForUnity.Rect r in detectResult)
{
r.y += (int)(r.height * 0.1f);
}
}
}
// face traking.
rectangleTracker.UpdateTrackedObjects(detectResult);
List <TrackedRect> trackedRects = new List <TrackedRect> ();
rectangleTracker.GetObjects(trackedRects, true);
// detect face landmark points.
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> > ();
for (int i = 0; i < trackedRects.Count; i++)
{
TrackedRect tr = trackedRects [i];
UnityEngine.Rect rect = new UnityEngine.Rect(tr.x, tr.y, tr.width, tr.height);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
landmarkPoints.Add(points);
}
// face masking.
if (faceMaskTexture != null && landmarkPoints.Count >= 1)
{
OpenCVForUnity.Utils.texture2DToMat(faceMaskTexture, faceMaskMat);
float imageWidth = meshOverlay.width;
float imageHeight = meshOverlay.height;
float maskImageWidth = faceMaskTexture.width;
float maskImageHeight = faceMaskTexture.height;
TrackedRect tr;
TrackedMesh tm;
for (int i = 0; i < trackedRects.Count; i++)
{
tr = trackedRects [i];
if (tr.state == TrackedState.NEW)
{
meshOverlay.CreateObject(tr.id, faceMaskTexture);
}
if (tr.state < TrackedState.DELETED)
{
tm = meshOverlay.GetObjectById(tr.id);
Vector3[] vertices = tm.meshFilter.mesh.vertices;
if (vertices.Length == landmarkPoints [i].Count)
{
for (int j = 0; j < vertices.Length; j++)
{
vertices [j].x = landmarkPoints [i] [j].x / imageWidth - 0.5f;
vertices [j].y = 0.5f - landmarkPoints [i] [j].y / imageHeight;
}
}
Vector2[] uv = tm.meshFilter.mesh.uv;
if (uv.Length == faceLandmarkPointsInMask.Count)
{
for (int jj = 0; jj < uv.Length; jj++)
{
uv [jj].x = faceLandmarkPointsInMask [jj].x / maskImageWidth;
uv [jj].y = (maskImageHeight - faceLandmarkPointsInMask [jj].y) / maskImageHeight;
}
}
meshOverlay.UpdateObject(tr.id, vertices, null, uv);
if (tr.numFramesNotDetected > 3)
{
tm.material.SetFloat(shader_FadeID, 1f);
}
else if (tr.numFramesNotDetected > 0 && tr.numFramesNotDetected <= 3)
{
tm.material.SetFloat(shader_FadeID, 0.3f + (0.7f / 4f) * tr.numFramesNotDetected);
}
else
{
tm.material.SetFloat(shader_FadeID, 0.3f);
}
// filter non frontal faces.
if (filterNonFrontalFaces && frontalFaceChecker.GetFrontalFaceRate(landmarkPoints [i]) < frontalFaceRateLowerLimit)
{
tm.material.SetFloat(shader_FadeID, 1f);
}
}
else if (tr.state == TrackedState.DELETED)
{
meshOverlay.DeleteObject(tr.id);
}
}
}
else if (landmarkPoints.Count >= 1)
{
float imageWidth = meshOverlay.width;
float imageHeight = meshOverlay.height;
float maskImageWidth = texture.width;
float maskImageHeight = texture.height;
TrackedRect tr;
TrackedMesh tm;
for (int i = 0; i < trackedRects.Count; i++)
{
tr = trackedRects [i];
if (tr.state == TrackedState.NEW)
{
meshOverlay.CreateObject(tr.id, texture);
}
if (tr.state < TrackedState.DELETED)
{
tm = meshOverlay.GetObjectById(tr.id);
Vector3[] vertices = tm.meshFilter.mesh.vertices;
if (vertices.Length == landmarkPoints [i].Count)
{
for (int j = 0; j < vertices.Length; j++)
{
vertices [j].x = landmarkPoints[i][j].x / imageWidth - 0.5f;
vertices [j].y = 0.5f - landmarkPoints[i][j].y / imageHeight;
}
}
Vector2[] uv = tm.meshFilter.mesh.uv;
if (uv.Length == landmarkPoints [0].Count)
{
for (int jj = 0; jj < uv.Length; jj++)
{
uv [jj].x = landmarkPoints[0][jj].x / maskImageWidth;
uv [jj].y = (maskImageHeight - landmarkPoints[0][jj].y) / maskImageHeight;
}
}
meshOverlay.UpdateObject(tr.id, vertices, null, uv);
if (tr.numFramesNotDetected > 3)
{
tm.material.SetFloat(shader_FadeID, 1f);
}
else if (tr.numFramesNotDetected > 0 && tr.numFramesNotDetected <= 3)
{
tm.material.SetFloat(shader_FadeID, 0.3f + (0.7f / 4f) * tr.numFramesNotDetected);
}
else
{
tm.material.SetFloat(shader_FadeID, 0.3f);
}
// filter non frontal faces.
if (filterNonFrontalFaces && frontalFaceChecker.GetFrontalFaceRate(landmarkPoints [i]) < frontalFaceRateLowerLimit)
{
tm.material.SetFloat(shader_FadeID, 1f);
}
}
else if (tr.state == TrackedState.DELETED)
{
meshOverlay.DeleteObject(tr.id);
}
}
}
// draw face rects.
if (displayFaceRects)
{
for (int i = 0; i < detectResult.Count; i++)
{
UnityEngine.Rect rect = new UnityEngine.Rect(detectResult [i].x, detectResult [i].y, detectResult [i].width, detectResult [i].height);
OpenCVForUnityUtils.DrawFaceRect(rgbMat, rect, new Scalar(255, 0, 0, 255), 2);
}
for (int i = 0; i < trackedRects.Count; i++)
{
UnityEngine.Rect rect = new UnityEngine.Rect(trackedRects [i].x, trackedRects [i].y, trackedRects [i].width, trackedRects [i].height);
OpenCVForUnityUtils.DrawFaceRect(rgbMat, rect, new Scalar(255, 255, 0, 255), 2);
//Imgproc.putText (rgbaMat, " " + frontalFaceChecker.GetFrontalFaceAngles (landmarkPoints [i]), new Point (rect.xMin, rect.yMin - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
//Imgproc.putText (rgbaMat, " " + frontalFaceChecker.GetFrontalFaceRate (landmarkPoints [i]), new Point (rect.xMin, rect.yMin - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
}
}
// draw face points.
if (displayDebugFacePoints)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
OpenCVForUnityUtils.DrawFaceLandmark(rgbMat, landmarkPoints [i], new Scalar(0, 255, 0, 255), 2);
}
}
// display face mask image.
if (faceMaskTexture != null && faceMaskMat != null)
{
if (displayFaceRects)
{
OpenCVForUnityUtils.DrawFaceRect(faceMaskMat, faceRectInMask, new Scalar(255, 0, 0, 255), 2);
}
if (displayDebugFacePoints)
{
OpenCVForUnityUtils.DrawFaceLandmark(faceMaskMat, faceLandmarkPointsInMask, new Scalar(0, 255, 0, 255), 2);
}
float scale = (rgbMat.width() / 4f) / faceMaskMat.width();
float tx = rgbMat.width() - faceMaskMat.width() * scale;
float ty = 0.0f;
Mat trans = new Mat(2, 3, CvType.CV_32F);//1.0, 0.0, tx, 0.0, 1.0, ty);
trans.put(0, 0, scale);
trans.put(0, 1, 0.0f);
trans.put(0, 2, tx);
trans.put(1, 0, 0.0f);
trans.put(1, 1, scale);
trans.put(1, 2, ty);
Imgproc.warpAffine(faceMaskMat, rgbMat, trans, rgbMat.size(), Imgproc.INTER_LINEAR, Core.BORDER_TRANSPARENT, new Scalar(0));
}
Imgproc.putText(rgbMat, "W:" + rgbMat.width() + " H:" + rgbMat.height() + " SO:" + Screen.orientation, new Point(5, rgbMat.rows() - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar(255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.Utils.matToTexture2D(rgbMat, texture);
}
}
