private void DetectFaces(Mat rgbaMat, out List <Rect> detectResult, bool useDlibFaceDetecter)
{
detectResult = new List <Rect>();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
foreach (var unityRect in result)
{
detectResult.Add(new Rect((int)unityRect.x, (int)unityRect.y, (int)unityRect.width, (int)unityRect.height));
}
}
else
{
// convert image to greyscale.
Imgproc.cvtColor(rgbaMat, grayMat, Imgproc.COLOR_RGBA2GRAY);
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 Size(equalizeHistMat.cols() * 0.15, equalizeHistMat.cols() * 0.15), new Size());
detectResult = faces.toList();
// correct the deviation of the detection result of the face rectangle of OpenCV and Dlib.
foreach (Rect r in detectResult)
{
r.y += (int)(r.height * 0.1f);
}
}
}
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
// detect faces.
List <OpenCVForUnity.Rect> detectResult = new List <OpenCVForUnity.Rect> ();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
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(rgbaMat, grayMat, Imgproc.COLOR_RGBA2GRAY);
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.
if (enableTracking)
{
rectangleTracker.UpdateTrackedObjects(detectResult);
detectResult = new List <OpenCVForUnity.Rect> ();
rectangleTracker.GetObjects(detectResult, true);
}
// detect face landmark points.
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> > ();
foreach (var openCVRect in detectResult)
{
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
landmarkPoints.Add(points);
}
// filter non frontal faces.
if (filterNonFrontalFaces)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
if (frontalFaceChecker.GetFrontalFaceRate(landmarkPoints [i]) < frontalFaceRateLowerLimit)
{
detectResult.RemoveAt(i);
landmarkPoints.RemoveAt(i);
i--;
}
}
}
// face swapping.
if (landmarkPoints.Count >= 2)
{
int ann = 0, bob = 1;
for (int i = 0; i < landmarkPoints.Count - 1; i += 2)
{
ann = i;
bob = i + 1;
faceSwapper.SwapFaces(rgbaMat, landmarkPoints [ann], landmarkPoints [bob], 1);
}
}
// 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(rgbaMat, rect, new Scalar(255, 0, 0, 255), 2);
//Imgproc.putText (rgbaMat, " " + frontalFaceParam.getAngleOfFrontalFace (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, " " + frontalFaceParam.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);
}
}
Imgproc.putText(rgbaMat, "W:" + rgbaMat.width() + " H:" + rgbaMat.height() + " SO:" + Screen.orientation, new Point(5, rgbaMat.rows() - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar(255, 255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.Utils.matToTexture2D(rgbaMat, texture, colors);
}
}
// Update is called once per frame
void Update()
{
if (sourceToMatHelper.IsPlaying() && sourceToMatHelper.DidUpdateThisFrame())
{
Mat rgbMat = sourceToMatHelper.GetMat();
// detect faces.
List <Rect> detectResult = new List <Rect>();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
foreach (var unityRect in result)
{
detectResult.Add(new 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 Size(equalizeHistMat.cols() * 0.15, equalizeHistMat.cols() * 0.15), new Size());
detectResult = faces.toList();
// correct the deviation of the detection result of the face rectangle of OpenCV and Dlib.
foreach (Rect r in detectResult)
{
r.y += (int)(r.height * 0.1f);
}
}
}
// face tracking.
List <TrackedRect> trackedRects = new List <TrackedRect>();
rectangleTracker.UpdateTrackedObjects(detectResult);
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);
}
}
}
// detect face landmark points.
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> >();
foreach (var openCVRect in trackedRects)
{
if (openCVRect.state > TrackedState.NEW_DISPLAYED && openCVRect.state < TrackedState.NEW_HIDED)
{
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
// apply noise filter.
if (enableNoiseFilter)
{
opticalFlowFilterDict[openCVRect.id].Process(rgbMat, points, points);
lowPassFilterDict[openCVRect.id].Process(rgbMat, points, points);
}
landmarkPoints.Add(points);
}
}
// filter non frontal faces.
if (filterNonFrontalFaces)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
if (frontalFaceChecker.GetFrontalFaceRate(landmarkPoints[i]) < frontalFaceRateLowerLimit)
{
trackedRects.RemoveAt(i);
landmarkPoints.RemoveAt(i);
i--;
}
}
}
// face swapping.
if (landmarkPoints.Count >= 2)
{
int ann = 0, bob = 1;
for (int i = 0; i < landmarkPoints.Count - 1; i += 2)
{
ann = i;
bob = i + 1;
faceSwapper.SwapFaces(rgbMat, landmarkPoints[ann], landmarkPoints[bob], 1);
}
}
// draw face rects.
if (displayFaceRects)
{
for (int i = 0; i < trackedRects.Count; i++)
{
Rect openCVRect = trackedRects[i];
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
OpenCVForUnityUtils.DrawFaceRect(rgbMat, rect, new Scalar(255, 0, 0, 255), 2);
//Imgproc.putText (rgbMat, " " + frontalFaceChecker.GetFrontalFaceAngles (landmarkPoints [i]), new Point (rect.xMin, rect.yMin - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
//Imgproc.putText (rgbMat, " " + frontalFaceChecker.GetFrontalFaceRate (landmarkPoints [i]), new Point (rect.xMin, rect.yMin - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
}
}
//Imgproc.putText (rgbMat, "W:" + rgbMat.width () + " H:" + rgbMat.height () + " SO:" + Screen.orientation, new Point (5, rgbMat.rows () - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.UnityUtils.Utils.fastMatToTexture2D(rgbMat, texture);
}
}
void Run()
{
Mat rgbaMat = new Mat(imgTexture.height, imgTexture.width, CvType.CV_8UC4);
OpenCVForUnity.Utils.texture2DToMat(imgTexture, rgbaMat);
//Mat dstMat = Imgcodecs.imread(Application.dataPath + "/Resources/changer.jpg");
//Imgproc.cvtColor(dstMat, dstMat, Imgproc.COLOR_BGR2RGB);
FrontalFaceChecker frontalFaceChecker = new FrontalFaceChecker(imgTexture.width, imgTexture.height); //检测正面脸，范围整个t2d
//1、人脸检测。两种检测人脸rect方法，toggle切换
List <OpenCVForUnity.Rect> detectResult = new List <OpenCVForUnity.Rect>();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
foreach (UnityEngine.Rect unityRect in result)
{
detectResult.Add(new OpenCVForUnity.Rect((int)unityRect.x, (int)unityRect.y, (int)unityRect.width, (int)unityRect.height));
}
}
else
{
cascade = new CascadeClassifier(haarcascade_frontalface_alt_xml_filepath);
Mat gray = new Mat();
Imgproc.cvtColor(rgbaMat, gray, Imgproc.COLOR_RGBA2GRAY);
MatOfRect faces = new MatOfRect();
Imgproc.equalizeHist(gray, gray);
cascade.detectMultiScale(gray, faces, 1.1f, 2, 0 | Objdetect.CASCADE_SCALE_IMAGE, new OpenCVForUnity.Size(gray.cols() * 0.05, gray.cols() * 0.05), new Size());
detectResult = faces.toList();
// adjust to Dilb's result.
foreach (OpenCVForUnity.Rect r in detectResult)
{
r.y += (int)(r.height * 0.1f);
}
gray.Dispose();
}
//0-拷贝到->1，靠list中排序，改变顺序
detectResult.Sort(delegate(OpenCVForUnity.Rect x, OpenCVForUnity.Rect y)
{
return(x.x.CompareTo(y.x)); //顺序与delegate中一致，升序排列
//return y.x.CompareTo(x.x); //顺序与delegate中不同，降序排列
});
//Debug.Log("[0]" + detectResult[0].x + ", [1]" + detectResult[1].x);
//2、关键点定位。通过上一步的rect，检测人脸标记点landmark
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> >();
//TODO...只检测一张脸，另一张改成UV图，手动输入68个points
/*
* foreach (OpenCVForUnity.Rect openCVRect in detectResult)
* {
* UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
* //Debug.Log("face : " + rect);
*
* OpenCVForUnityUtils.DrawFaceRect(rgbaMat, rect, new Scalar(255, 0, 0, 255), 2); //画框rect
* Imgproc.circle(rgbaMat, new Point(rect.x, rect.y), 0, new Scalar(0, 255, 0, 255), 5, Imgproc.LINE_8, 0);
* Imgproc.putText(rgbaMat, rect.x + "x" + rect.y, new Point(rect.x + 5, rect.y -5), 1, 1, new Scalar(0, 255, 0, 255));
*
* List<Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
* //OpenCVForUnityUtils.DrawFaceLandmark(rgbaMat, points, new Scalar(0, 255, 0, 255), 2); //画框landmark
* landmarkPoints.Add(points);
* }
*/
//检测一张照片的脸的landmark点
OpenCVForUnity.Rect openCVRect = detectResult[0];
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
//OpenCVForUnityUtils.DrawFaceRect(rgbaMat, rect, new Scalar(255, 0, 0, 255), 2); //画框rect
//Imgproc.circle(rgbaMat, new Point(rect.x, rect.y), 0, new Scalar(0, 255, 0, 255), 5, Imgproc.LINE_8, 0);
//Imgproc.putText(rgbaMat, rect.x + "x" + rect.y, new Point(rect.x + 5, rect.y - 5), 1, 1, new Scalar(0, 255, 0, 255));
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect); //通过检测器从rect中提取point
//OpenCVForUnityUtils.DrawFaceLandmark(rgbaMat, points, new Scalar(0, 255, 0, 255), 2); //画框landmark
landmarkPoints.Add(points);
string log = "";
for (int i = 0; i < points.Count; i++)
{
//Debug.Log("[" + i + "] " + points[i]);
log += "new Vector2(" + ((int)points[i].x + 500) + "," + (int)points[i].y + "),\n";
//Imgproc.circle(rgbaMat, new Point(10, 10), 0, new Scalar(255, 0, 0, 255), 4, Imgproc.LINE_8, 0); //检查原点
//Imgproc.putText(rgbaMat, i.ToString(), new Point(landmarkPoints[0][i].x, landmarkPoints[0][i].y), 1, 1, new Scalar(0, 255, 0, 255));
//Imgproc.circle(rgbaMat, new Point(landmarkPoints[0][i].x, landmarkPoints[0][i].y), 0, new Scalar(0, 255, 0, 255), 2, Imgproc.LINE_8, 0); //绘制68点
//Imgproc.putText(rgbaMat, rect.x + "x" + rect.y, new Point(rect.x + 5, rect.y - 5), 1, 1, new Scalar(0, 255, 0, 255));
//Imgproc.putText(rgbaMat, rect.x + "x" + rect.y, new Point(rect.x + 5, rect.y - 5), 1, 1, new Scalar(0, 255, 0, 255));
/* * * * * * * * * * * * *
* jaw; // [0-16] *
* rightBrow; // [17-21] *
* leftBrow; // [22-26] *
* nose; // [27-35] *
* rightEye; // [36-41] *
* leftEye; // [42-47] *
* mouth; // [48-59] *
* mouth2; // [60-67] *
* * * * * * * * * * * * */
/*
* if (i >= 0 && i <= 16)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(255, 0, 0, 255), 2, Imgproc.LINE_8, 0); //红
* }
* else if (i >= 17 && i <= 21)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(255, 127, 0, 255), 2, Imgproc.LINE_8, 0); //橙
* }
* else if (i >= 22 && i <= 26)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(255, 255, 0, 255), 2, Imgproc.LINE_8, 0); //黄
* }
* else if (i >= 27 && i <= 35)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(0, 255, 0, 255), 2, Imgproc.LINE_8, 0); //绿
* }
* else if (i >= 36 && i <= 21)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(0, 255, 170, 255), 2, Imgproc.LINE_8, 0); //青
* }
* else if (i >= 42 && i <= 47)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(0, 0, 255, 255), 2, Imgproc.LINE_8, 0); //蓝
* }
* else if (i >= 48 && i <= 59)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(128, 255, 0, 255), 2, Imgproc.LINE_8, 0); //紫
* }
* else if (i >= 60 && i <= 67)
* {
* Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 0, new Scalar(255, 180, 255, 255), 2, Imgproc.LINE_8, 0); //粉红
* }
*/
}
//Debug.Log(log);
//手写一张UV的landmark点
List <Vector2> uvs = new List <Vector2>()
{
//0-7
new Vector2(583, 210), //0
new Vector2(584, 250), //1
new Vector2(585, 305), //2
new Vector2(600, 360), //3
new Vector2(630, 410), //4
new Vector2(670, 425), //5
new Vector2(710, 440), //6
new Vector2(740, 445), //7
//8
new Vector2(770, 450), //8+轴
//9-16
new Vector2(800, 445), //9
new Vector2(830, 440), //10
new Vector2(870, 425), //11
new Vector2(910, 410), //12
new Vector2(940, 360), //13
new Vector2(955, 305), //14
new Vector2(956, 250), //15
new Vector2(957, 210), //16
//17-21 leftBrow
new Vector2(655, 165), //17
new Vector2(680, 155), //18
new Vector2(710, 160), //19
new Vector2(730, 170), //20
new Vector2(750, 190), //21
//22-26 rightBrow
new Vector2(790, 190), //22
new Vector2(810, 170), //23
new Vector2(830, 160), //24
new Vector2(860, 155), //25
new Vector2(885, 165), //26
//27-30 nose竖
new Vector2(770, 220), //27
new Vector2(770, 250), //28
new Vector2(770, 275), //29
new Vector2(770, 300), //30
//31-35 nose横
new Vector2(740, 312), //31
new Vector2(755, 316), //32
new Vector2(770, 320), //33
new Vector2(785, 316), //34
new Vector2(800, 312), //35
//36-41 leftEye
new Vector2(670, 215), //36
new Vector2(690, 200), //37
new Vector2(715, 205), //38
new Vector2(730, 225), //39
new Vector2(710, 230), //40
new Vector2(690, 227), //41
//42-47 rightEye
new Vector2(810, 225), //42
new Vector2(825, 205), //43
new Vector2(850, 200), //44
new Vector2(870, 215), //45
new Vector2(855, 227), //46
new Vector2(830, 230), //47
//48-59 mouth
new Vector2(720, 360), //48-l
new Vector2(735, 355), //49
new Vector2(750, 350), //50
new Vector2(770, 352), //51+u
new Vector2(790, 350), //52
new Vector2(805, 355), //53
new Vector2(820, 360), //54-r
new Vector2(805, 375), //55
new Vector2(790, 382), //56
new Vector2(770, 380), //57+d
new Vector2(750, 382), //58
new Vector2(735, 375), //59
//60-67 mouth2
new Vector2(730, 365), //60-l
new Vector2(750, 357), //61
new Vector2(770, 354), //62+u
new Vector2(790, 357), //63
new Vector2(810, 365), //64-r
new Vector2(790, 370), //65
new Vector2(770, 375), //66+d
new Vector2(750, 370), //67
};
landmarkPoints.Add(uvs);
for (int i = 0; i < landmarkPoints[1].Count; i++)
{
//Imgproc.putText(rgbaMat, i.ToString(), new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 1, 1, new Scalar(255, 0, 0, 255));
/* * * * * * * * * * * * *
* jaw; // [0-16] *
* rightBrow; // [17-21] *
* leftBrow; // [22-26] *
* nose; // [27-35] *
* rightEye; // [36-41] *
* leftEye; // [42-47] *
* mouth; // [48-59] *
* mouth2; // [60-67] *
* * * * * * * * * * * * */
/*
* if (i >= 0 && i <= 16)
* {
* Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //红
* }
* else if (i >= 17 && i <= 21)
* {
* Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //橙
* }
* else if (i >= 22 && i <= 26)
* {
* Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //黄
* }
* else if (i >= 27 && i <= 35)
* {
* Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //绿
* }
* else if (i >= 36 && i <= 21)
* {
* Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //青
* }
* else if (i >= 42 && i <= 47)
* {
* Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //蓝
* }
* else if (i >= 48 && i <= 59)
* {
* Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //紫
* }
* else if (i >= 60 && i <= 67)
* {
* //Imgproc.circle(rgbaMat, new Point(landmarkPoints[1][i].x, landmarkPoints[1][i].y), 0, new Scalar(255, 0, 0, 255), 5, Imgproc.LINE_8, 0); //粉红
* }
*/
}
//过滤非正面的脸
if (filterNonFrontalFaces)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
if (frontalFaceChecker.GetFrontalFaceRate(landmarkPoints[i]) < frontalFaceRateLowerLimit) //阈值0~1
{
detectResult.RemoveAt(i);
landmarkPoints.RemoveAt(i);
i--;
}
}
}
//1张脸时只提取关键点，2张脸才换脸
if (landmarkPoints.Count == 2)
{
//开始换脸
DlibFaceChanger faceChanger = new DlibFaceChanger();
faceChanger.isShowingDebugFacePoints = displayDebugFacePoints;
faceChanger.SetTargetImage(rgbaMat); //目标Mat
faceChanger.AddFaceChangeData(rgbaMat, landmarkPoints[0], landmarkPoints[1], 0.9f); //源Mat，从0拷贝到1
faceChanger.ChangeFace();
faceChanger.Dispose();
}
frontalFaceChecker.Dispose();
//背景图
Texture2D t2d = new Texture2D(rgbaMat.width(), rgbaMat.height(), TextureFormat.RGBA32, false);
OpenCVForUnity.Utils.matToTexture2D(rgbaMat, t2d);
Sprite sp = Sprite.Create(t2d, new UnityEngine.Rect(0, 0, t2d.width, t2d.height), Vector2.zero);
srcImage.sprite = sp;
srcImage.preserveAspect = true;
Mat dstMat = new Mat(rgbaMat, new OpenCVForUnity.Rect(rgbaMat.width() / 2, 0, rgbaMat.width() / 2, rgbaMat.height()));
Texture2D dst_t2d = new Texture2D(dstMat.width(), dstMat.height(), TextureFormat.RGBA32, false);
OpenCVForUnity.Utils.matToTexture2D(dstMat, dst_t2d);
mesh.materials[1].mainTexture = dst_t2d;
rgbaMat.Dispose();
}
private void Run()
{
displayFaceRectsToggle.isOn = displayFaceRects;
useDlibFaceDetecterToggle.isOn = useDlibFaceDetecter;
filterNonFrontalFacesToggle.isOn = filterNonFrontalFaces;
useSeamlessCloneToggle.isOn = useSeamlessClone;
displayDebugFacePointsToggle.isOn = displayDebugFacePoints;
if (imgTexture == null)
{
imgTexture = Resources.Load("family") as Texture2D;
}
gameObject.transform.localScale = new Vector3(imgTexture.width, imgTexture.height, 1);
Debug.Log("Screen.width " + Screen.width + " Screen.height " + Screen.height + " Screen.orientation " + Screen.orientation);
float width = 0;
float height = 0;
width = gameObject.transform.localScale.x;
height = gameObject.transform.localScale.y;
float widthScale = (float)Screen.width / width;
float heightScale = (float)Screen.height / height;
if (widthScale < heightScale)
{
Camera.main.orthographicSize = (width * (float)Screen.height / (float)Screen.width) / 2;
}
else
{
Camera.main.orthographicSize = height / 2;
}
Mat rgbaMat = new Mat(imgTexture.height, imgTexture.width, CvType.CV_8UC4);
OpenCVForUnity.UnityUtils.Utils.texture2DToMat(imgTexture, rgbaMat);
Debug.Log("rgbaMat ToString " + rgbaMat.ToString());
if (faceLandmarkDetector == null)
{
faceLandmarkDetector = new FaceLandmarkDetector(sp_human_face_68_dat_filepath);
}
FrontalFaceChecker frontalFaceChecker = new FrontalFaceChecker(width, height);
// detect faces.
List <Rect> detectResult = new List <Rect>();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
foreach (var unityRect in result)
{
detectResult.Add(new Rect((int)unityRect.x, (int)unityRect.y, (int)unityRect.width, (int)unityRect.height));
}
}
else
{
if (cascade == null)
{
cascade = new CascadeClassifier(haarcascade_frontalface_alt_xml_filepath);
}
//if (cascade.empty())
//{
// Debug.LogError("cascade file is not loaded.Please copy from “FaceTrackerExample/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
//}
// convert image to greyscale.
Mat gray = new Mat();
Imgproc.cvtColor(rgbaMat, gray, Imgproc.COLOR_RGBA2GRAY);
MatOfRect faces = new MatOfRect();
Imgproc.equalizeHist(gray, gray);
cascade.detectMultiScale(gray, faces, 1.1f, 2, 0 | Objdetect.CASCADE_SCALE_IMAGE, new Size(gray.cols() * 0.05, gray.cols() * 0.05), new Size());
//Debug.Log ("faces " + faces.dump ());
detectResult = faces.toList();
// correct the deviation of the detection result of the face rectangle of OpenCV and Dlib.
foreach (Rect r in detectResult)
{
r.y += (int)(r.height * 0.1f);
}
gray.Dispose();
}
// detect face landmark points.
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> >();
foreach (var openCVRect in detectResult)
{
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
Debug.Log("face : " + rect);
//OpenCVForUnityUtils.DrawFaceRect(imgMat, rect, new Scalar(255, 0, 0, 255), 2);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
//OpenCVForUnityUtils.DrawFaceLandmark(imgMat, points, new Scalar(0, 255, 0, 255), 2);
landmarkPoints.Add(points);
}
// filter non frontal facea.
if (filterNonFrontalFaces)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
if (frontalFaceChecker.GetFrontalFaceRate(landmarkPoints[i]) < frontalFaceRateLowerLimit)
{
detectResult.RemoveAt(i);
landmarkPoints.RemoveAt(i);
i--;
}
}
}
// swap faces.
int[] face_nums = new int[landmarkPoints.Count];
for (int i = 0; i < face_nums.Length; i++)
{
face_nums[i] = i;
}
face_nums = face_nums.OrderBy(i => System.Guid.NewGuid()).ToArray();
if (landmarkPoints.Count >= 2)
{
DlibFaceSwapper faceSwapper = new DlibFaceSwapper();
faceSwapper.useSeamlessCloneForPasteFaces = useSeamlessClone;
faceSwapper.isShowingDebugFacePoints = displayDebugFacePoints;
int ann = 0, bob = 0;
for (int i = 0; i < face_nums.Length - 1; i += 2)
{
ann = face_nums[i];
bob = face_nums[i + 1];
faceSwapper.SwapFaces(rgbaMat, landmarkPoints[ann], landmarkPoints[bob], 1);
}
faceSwapper.Dispose();
}
// draw face rects.
if (displayFaceRects)
{
int ann = 0, bob = 0;
for (int i = 0; i < face_nums.Length - 1; i += 2)
{
ann = face_nums[i];
bob = face_nums[i + 1];
UnityEngine.Rect rect_ann = new UnityEngine.Rect(detectResult[ann].x, detectResult[ann].y, detectResult[ann].width, detectResult[ann].height);
UnityEngine.Rect rect_bob = new UnityEngine.Rect(detectResult[bob].x, detectResult[bob].y, detectResult[bob].width, detectResult[bob].height);
Scalar color = new Scalar(UnityEngine.Random.Range(0, 256), UnityEngine.Random.Range(0, 256), UnityEngine.Random.Range(0, 256), 255);
OpenCVForUnityUtils.DrawFaceRect(rgbaMat, rect_ann, color, 2);
OpenCVForUnityUtils.DrawFaceRect(rgbaMat, rect_bob, color, 2);
//Imgproc.putText (rgbaMat, "" + i % 2, new Point (rect_ann.xMin, rect_ann.yMin - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 1.0, color, 2, Imgproc.LINE_AA, false);
//Imgproc.putText (rgbaMat, "" + (i % 2 + 1), new Point (rect_bob.xMin, rect_bob.yMin - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 1.0, color, 2, Imgproc.LINE_AA, false);
}
}
frontalFaceChecker.Dispose();
Texture2D texture = new Texture2D(rgbaMat.cols(), rgbaMat.rows(), TextureFormat.RGBA32, false);
OpenCVForUnity.UnityUtils.Utils.matToTexture2D(rgbaMat, texture);
gameObject.GetComponent <Renderer>().material.mainTexture = texture;
rgbaMat.Dispose();
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
// detect faces.
List <Rect> detectResult;
DetectFaces(rgbaMat, out detectResult, useDlibFaceDetecter);
// face tracking.
List <TrackedRect> trackedRects = new List <TrackedRect>();
rectangleTracker.UpdateTrackedObjects(detectResult);
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);
}
}
}
// detect face landmark points.
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> >();
foreach (var openCVRect in trackedRects)
{
if (openCVRect.state > TrackedState.NEW_DISPLAYED && openCVRect.state < TrackedState.NEW_HIDED)
{
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
// apply noise filter.
if (enableNoiseFilter)
{
opticalFlowFilterDict[openCVRect.id].Process(rgbaMat, points, points);
lowPassFilterDict[openCVRect.id].Process(rgbaMat, points, points);
}
landmarkPoints.Add(points);
}
}
// filter non frontal faces.
if (filterNonFrontalFaces)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
if (frontalFaceChecker.GetFrontalFaceRate(landmarkPoints[i]) < frontalFaceRateLowerLimit)
{
trackedRects.RemoveAt(i);
landmarkPoints.RemoveAt(i);
i--;
}
}
}
// face changing.
if (faceMaskTexture != null && landmarkPoints.Count >= 1)
{ // Apply face changing between detected faces and a mask image.
if (detectedFaceRect.width == 0.0f || detectedFaceRect.height == 0.0f)
{
DetectFaces(faceMaskMat, out detectResult, useDlibFaceDetecter);
if (detectResult.Count >= 1)
{
detectedFaceRect = new UnityEngine.Rect(detectResult[0].x, detectResult[0].y, detectResult[0].width, detectResult[0].height);
}
}
if (detectedFaceRect.width > 0 || detectedFaceRect.height > 0)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, faceMaskMat);
List <Vector2> souseLandmarkPoint = faceLandmarkDetector.DetectLandmark(detectedFaceRect);
faceChanger.SetTargetImage(rgbaMat);
for (int i = 0; i < landmarkPoints.Count; i++)
{
faceChanger.AddFaceChangeData(faceMaskMat, souseLandmarkPoint, landmarkPoints[i], 1);
}
faceChanger.ChangeFace();
if (displayFaceRects)
{
OpenCVForUnityUtils.DrawFaceRect(faceMaskMat, detectedFaceRect, new Scalar(255, 0, 0, 255), 2);
}
}
}
else if (landmarkPoints.Count >= 2)
{ // Apply face changing between detected faces.
faceChanger.SetTargetImage(rgbaMat);
for (int i = 1; i < landmarkPoints.Count; i++)
{
faceChanger.AddFaceChangeData(rgbaMat, landmarkPoints[0], landmarkPoints[i], 1);
}
faceChanger.ChangeFace();
}
// draw face rects.
if (displayFaceRects)
{
for (int i = 0; i < trackedRects.Count; i++)
{
Rect openCVRect = trackedRects[i];
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
OpenCVForUnityUtils.DrawFaceRect(rgbaMat, rect, new Scalar(255, 0, 0, 255), 2);
//Imgproc.putText (rgbaMat, " " + frontalFaceChecker.GetFrontalFaceAngles (landmarkPoints [i]), new Point (rect.xMin, rect.yMin - 10), Imgproc.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), Imgproc.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
}
}
// display face mask image.
if (faceMaskMat != null)
{
float scale = (rgbaMat.width() / 4f) / faceMaskMat.width();
float tx = rgbaMat.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, rgbaMat, trans, rgbaMat.size(), Imgproc.INTER_LINEAR, Core.BORDER_TRANSPARENT, new Scalar(0));
if (displayFaceRects || displayDebugFacePoints)
{
OpenCVForUnity.UnityUtils.Utils.texture2DToMat(faceMaskTexture, faceMaskMat);
}
}
//Imgproc.putText (rgbaMat, "W:" + rgbaMat.width () + " H:" + rgbaMat.height () + " SO:" + Screen.orientation, new Point (5, rgbaMat.rows () - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar (255, 255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.UnityUtils.Utils.fastMatToTexture2D(rgbaMat, texture);
}
}
void Run()
{
rgbaMat = Imgcodecs.imread(Application.dataPath + "/Resources/changer.jpg", 1);
Imgproc.cvtColor(rgbaMat, rgbaMat, Imgproc.COLOR_BGR2RGBA);
//1. 人脸dlib检测
List <OpenCVForUnity.Rect> detectResult = new List <OpenCVForUnity.Rect>();
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
foreach (UnityEngine.Rect unityRect in result)
{
detectResult.Add(new OpenCVForUnity.Rect((int)unityRect.x, (int)unityRect.y, (int)unityRect.width, (int)unityRect.height));
}
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> >();
OpenCVForUnity.Rect openCVRect = detectResult[0];
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect); //通过检测器从rect中提取point
landmarkPoints.Add(points);
//2. 计算凸包
pointList = new List <Point>();
for (int i = 0; i < points.Count; i++)
{
//绘制点
//Imgproc.circle(rgbaMat, new Point(points[i].x, points[i].y), 2, new Scalar(255, 255, 255), -1);
Point pt = new Point(landmarkPoints[0][i].x, landmarkPoints[0][i].y);
Imgproc.circle(rgbaMat, pt, 0, new Scalar(0, 255, 0, 255), 2, Imgproc.LINE_8, 0); //绘制68点
pointList.Add(pt);
}
//Debug.Log(pointList.Count); //68
//3. 三角剖份
TriangleDivide();
//4. （遍历三角形）仿射变换
Affine();
//5. 显示
MatOfPoint pointsMat = new MatOfPoint();
pointsMat.fromList(pointList);
MatOfInt hullInt = new MatOfInt();
Imgproc.convexHull(pointsMat, hullInt);
List <Point> pointMatList = pointsMat.toList();
List <int> hullIntList = hullInt.toList();
List <Point> hullPointList = new List <Point>();
for (int j = 0; j < hullInt.toList().Count; j++)
{
hullPointList.Add(pointMatList[hullIntList[j]]);
}
MatOfPoint hullPointMat = new MatOfPoint();
hullPointMat.fromList(hullPointList); //23*1
List <MatOfPoint> hullPoints = new List <MatOfPoint>();
hullPoints.Add(hullPointMat); //1
Imgproc.drawContours(rgbaMat, hullPoints, -1, new Scalar(255, 255, 0, 255), 2);
//------------------------------------------------//
//Try---------------------------------------------//
dstPointList = new List <Point>();
for (int i = 0; i < pointList.Count; i++)
{
Point pt = pointList[i] + new Point(100, 0);
dstPointList.Add(pt);
}
//MatOfPoint2f srcTri = new MatOfPoint2f(); //不能超过3
//MatOfPoint2f dstTri = new MatOfPoint2f(); //不能超过3
//srcTri.fromList(pointList);
//srcTri.fromList(dstPointList);
for (int j = 0; j < 3; j++)
{
//srcTri.push_back(hullPointMat);
//dstTri.push_back(hull2[corpd.index[j]]);
}
Mat mask = Mat.zeros(rgbaMat.size(), CvType.CV_8UC1);
Point p0 = new Point(0, 0);
Point p1 = new Point(0, 256);
Point p2 = new Point(256, 0);
Point p3 = new Point(256, 0);
Point p4 = new Point(512, 0);
Point p5 = new Point(512, 256);
Point p6 = new Point(256, 64);
MatOfPoint pts1 = new MatOfPoint(new Point[3] {
p0, p1, p2
});
MatOfPoint pts2 = new MatOfPoint(new Point[3] {
p3, p4, p5
});
MatOfPoint2f srcTri = new MatOfPoint2f(new Point[3] {
p0, p1, p2
});
MatOfPoint2f dstTri = new MatOfPoint2f(new Point[3] {
p0, p1, p6
});
List <MatOfPoint> contour = new List <MatOfPoint>()
{
pts1
};
for (int i = 0; i < contour.Count; i++)
{
//轮廓提取
Imgproc.drawContours(mask, contour, i, new Scalar(255), -1); //全部放到mask上
}
rgbaMat.copyTo(mask, mask);
Mat warpMat = Imgproc.getAffineTransform(srcTri, dstTri);
Mat warpImage = Mat.zeros(mask.size(), mask.type());
Imgproc.warpAffine(mask, warpImage, warpMat, warpImage.size());
//------------------------------------------------//
Texture2D t2d = new Texture2D(rgbaMat.width(), rgbaMat.height(), TextureFormat.RGBA32, false);
OpenCVForUnity.Utils.matToTexture2D(rgbaMat, t2d);
Sprite sp = Sprite.Create(t2d, new UnityEngine.Rect(0, 0, t2d.width, t2d.height), Vector2.zero);
srcImage.sprite = sp;
srcImage.preserveAspect = true;
//warpImage
Texture2D dst_t2d = new Texture2D(warpImage.width(), warpImage.height(), TextureFormat.RGBA32, false);
OpenCVForUnity.Utils.matToTexture2D(warpImage, dst_t2d);
Sprite dst_sp = Sprite.Create(dst_t2d, new UnityEngine.Rect(0, 0, dst_t2d.width, dst_t2d.height), Vector2.zero);
dstImage.sprite = dst_sp;
dstImage.preserveAspect = true;
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
// detect faces.
List <OpenCVForUnity.Rect> detectResult = new List <OpenCVForUnity.Rect> ();
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
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(rgbaMat, grayMat, Imgproc.COLOR_RGBA2GRAY);
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.
if (enableTracking)
{
rectangleTracker.UpdateTrackedObjects(detectResult);
detectResult = new List <OpenCVForUnity.Rect> ();
rectangleTracker.GetObjects(detectResult, true);
}
// detect face landmark points.
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, rgbaMat);
List <List <Vector2> > landmarkPoints = new List <List <Vector2> > ();
foreach (var openCVRect in detectResult)
{
UnityEngine.Rect rect = new UnityEngine.Rect(openCVRect.x, openCVRect.y, openCVRect.width, openCVRect.height);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
landmarkPoints.Add(points);
}
// filter non frontal faces.
if (filterNonFrontalFaces)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
if (frontalFaceChecker.GetFrontalFaceRate(landmarkPoints [i]) < frontalFaceRateLowerLimit)
{
detectResult.RemoveAt(i);
landmarkPoints.RemoveAt(i);
i--;
}
}
}
// face changeing.
if (faceMaskTexture != null && landmarkPoints.Count >= 1)
{
OpenCVForUnity.Utils.texture2DToMat(faceMaskTexture, faceMaskMat);
if (detectedFaceRect.width == 0.0f || detectedFaceRect.height == 0.0f)
{
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, faceMaskMat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
if (result.Count >= 1)
{
detectedFaceRect = result [0];
}
}
else
{
using (Mat grayMat = new Mat())
using (Mat equalizeHistMat = new Mat())
using (MatOfRect faces = new MatOfRect()) {
//convert image to greyscale
Imgproc.cvtColor(faceMaskMat, grayMat, Imgproc.COLOR_RGBA2GRAY);
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 ();
List <OpenCVForUnity.Rect> faceList = faces.toList();
if (faceList.Count >= 1)
{
detectedFaceRect = new UnityEngine.Rect(faceList [0].x, faceList [0].y, faceList [0].width, faceList [0].height);
// Adjust to Dilb's result.
detectedFaceRect.y += detectedFaceRect.height * 0.1f;
}
}
}
}
if (detectedFaceRect.width > 0 || detectedFaceRect.height > 0)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, faceMaskMat);
List <Vector2> souseLandmarkPoint = faceLandmarkDetector.DetectLandmark(detectedFaceRect);
faceChanger.SetTargetImage(rgbaMat);
for (int i = 0; i < landmarkPoints.Count; i++)
{
faceChanger.AddFaceChangeData(faceMaskMat, souseLandmarkPoint, landmarkPoints [i], 1);
}
faceChanger.ChangeFace();
if (displayFaceRects)
{
OpenCVForUnityUtils.DrawFaceRect(faceMaskMat, detectedFaceRect, new Scalar(255, 0, 0, 255), 2);
}
}
}
else if (landmarkPoints.Count >= 2)
{
faceChanger.SetTargetImage(rgbaMat);
for (int i = 1; i < landmarkPoints.Count; i++)
{
faceChanger.AddFaceChangeData(rgbaMat, landmarkPoints [0], landmarkPoints [i], 1);
}
faceChanger.ChangeFace();
}
// 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(rgbaMat, rect, new Scalar(255, 0, 0, 255), 2);
//Imgproc.putText (rgbaMat, " " + frontalFaceParam.getAngleOfFrontalFace (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, " " + frontalFaceParam.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);
}
}
// display face mask image.
if (faceMaskMat != null)
{
float scale = (rgbaMat.width() / 4f) / faceMaskMat.width();
float tx = rgbaMat.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, rgbaMat, trans, rgbaMat.size(), Imgproc.INTER_LINEAR, Core.BORDER_TRANSPARENT, new Scalar(0));
}
Imgproc.putText(rgbaMat, "W:" + rgbaMat.width() + " H:" + rgbaMat.height() + " SO:" + Screen.orientation, new Point(5, rgbaMat.rows() - 10), Core.FONT_HERSHEY_SIMPLEX, 0.5, new Scalar(255, 255, 255, 255), 1, Imgproc.LINE_AA, false);
OpenCVForUnity.Utils.matToTexture2D(rgbaMat, texture, colors);
}
}
