private UnityEngine.Rect detectFace(Mat mat)
{
if (useDlibFaceDetecter)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, mat);
List <UnityEngine.Rect> result = faceLandmarkDetector.Detect();
if (result.Count >= 1)
{
return(result [0]);
}
}
else
{
using (Mat grayMat = new Mat())
using (Mat equalizeHistMat = new Mat())
using (MatOfRect faces = new MatOfRect()) {
// convert image to greyscale.
Imgproc.cvtColor(mat, grayMat, Imgproc.COLOR_RGB2GRAY);
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());
List <OpenCVForUnity.Rect> faceList = faces.toList();
if (faceList.Count >= 1)
{
UnityEngine.Rect r = new UnityEngine.Rect(faceList [0].x, faceList [0].y, faceList [0].width, faceList [0].height);
// Adjust to Dilb's result.
r.y += (int)(r.height * 0.1f);
return(r);
}
}
}
return(new UnityEngine.Rect());
}
private List <Vector2> detectFaceLandmarkPoints(Mat mat, UnityEngine.Rect rect)
{
OpenCVForUnityUtils.SetImage(faceLandmarkDetector, mat);
List <Vector2> points = faceLandmarkDetector.DetectLandmark(rect);
return(points);
}
private void Run()
{
meshOverlay = this.GetComponent <TrackedMeshOverlay> ();
isShowingFaceRectsToggle.isOn = isShowingFaceRects;
useDlibFaceDetecterToggle.isOn = useDlibFaceDetecter;
isFilteringNonFrontalFacesToggle.isOn = isFilteringNonFrontalFaces;
isShowingDebugFacePointsToggle.isOn = isShowingDebugFacePoints;
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);
meshOverlay.UpdateOverlayTransform();
meshOverlay.Reset();
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.Utils.texture2DToMat(imgTexture, rgbaMat);
Debug.Log("rgbaMat ToString " + rgbaMat.ToString());
if (faceLandmarkDetector == null)
{
faceLandmarkDetector = new FaceLandmarkDetector(shape_predictor_68_face_landmarks_dat_filepath);
}
FrontalFaceParam frontalFaceParam = new FrontalFaceParam();
// face detection.
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
{
if (cascade == null)
{
cascade = new CascadeClassifier(haarcascade_frontalface_alt_xml_filepath);
}
if (cascade.empty())
{
Debug.LogError("cascade file is not loaded.Please copy from “FaceTrackerSample/StreamingAssets/” to “Assets/StreamingAssets/” folder. ");
}
// convert image to greyscale.
Mat gray = new Mat();
Imgproc.cvtColor(rgbaMat, gray, Imgproc.COLOR_RGBA2GRAY);
// detect Faces.
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());
//Debug.Log ("faces " + faces.dump ());
detectResult = faces.toList();
// Adjust to Dilb's result.
foreach (OpenCVForUnity.Rect r in detectResult)
{
r.y += (int)(r.height * 0.1f);
}
gray.Dispose();
}
// detect face landmark.
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);
}
// mask 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();
float offsetX = meshOverlay.Width / 2f;
float offsetY = meshOverlay.Height / 2f;
float maskImageWidth = imgTexture.width;
float maskImageHeight = imgTexture.height;
TrackedMesh tm;
for (int i = 0; i < face_nums.Length; i++)
{
meshOverlay.CreateObject(i, imgTexture);
tm = meshOverlay.GetObjectById(i);
Vector3[] vertices = tm.MeshFilter.mesh.vertices;
if (vertices.Length == landmarkPoints [face_nums [i]].Count)
{
for (int j = 0; j < vertices.Length; j++)
{
vertices [j].x = landmarkPoints [face_nums [i]] [j].x - offsetX;
vertices [j].y = offsetY - landmarkPoints [face_nums [i]] [j].y;
}
}
Vector2[] uv = tm.MeshFilter.mesh.uv;
if (uv.Length == landmarkPoints [face_nums [0]].Count)
{
for (int jj = 0; jj < uv.Length; jj++)
{
uv [jj].x = landmarkPoints [face_nums [0]] [jj].x / maskImageWidth;
uv [jj].y = (maskImageHeight - landmarkPoints [face_nums [0]] [jj].y) / maskImageHeight;
}
}
meshOverlay.UpdateObject(i, vertices, null, uv);
// filter nonfrontalface.
if (isFilteringNonFrontalFaces && frontalFaceParam.getFrontalFaceRate(landmarkPoints [i]) < frontalFaceRateLowerLimit)
{
tm.Material.SetFloat("_Fade", 1f);
}
else
{
tm.Material.SetFloat("_Fade", 0.3f);
}
}
// draw face rects.
if (isShowingFaceRects)
{
int ann = face_nums[0];
UnityEngine.Rect rect_ann = new UnityEngine.Rect(detectResult [ann].x, detectResult [ann].y, detectResult [ann].width, detectResult [ann].height);
OpenCVForUnityUtils.DrawFaceRect(rgbaMat, rect_ann, new Scalar(255, 255, 0, 255), 2);
int bob = 0;
for (int i = 1; i < face_nums.Length; i++)
{
bob = face_nums [i];
UnityEngine.Rect rect_bob = new UnityEngine.Rect(detectResult [bob].x, detectResult [bob].y, detectResult [bob].width, detectResult [bob].height);
OpenCVForUnityUtils.DrawFaceRect(rgbaMat, rect_bob, new Scalar(255, 0, 0, 255), 2);
}
}
// draw face points.
if (isShowingDebugFacePoints)
{
for (int i = 0; i < landmarkPoints.Count; i++)
{
OpenCVForUnityUtils.DrawFaceLandmark(rgbaMat, landmarkPoints [i], new Scalar(0, 255, 0, 255), 2);
}
}
Texture2D texture = new Texture2D(rgbaMat.cols(), rgbaMat.rows(), TextureFormat.RGBA32, false);
OpenCVForUnity.Utils.matToTexture2D(rgbaMat, texture);
gameObject.transform.GetComponent <Renderer> ().material.mainTexture = texture;
frontalFaceParam.Dispose();
rgbaMat.Dispose();
}
// 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);
}
//error PlayerLoop called recursively! on iOS.reccomend WebCamTexture.
if (capture.grab())
{
capture.retrieve(rgbMat, 0);
Imgproc.cvtColor(rgbMat, rgbMat, Imgproc.COLOR_BGR2RGB);
//Debug.Log ("Mat toString " + rgbMat.ToString ());
//face detection.
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.
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 offsetX = meshOverlay.Width / 2f;
float offsetY = meshOverlay.Height / 2f;
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 - offsetX;
vertices [j].y = offsetY - landmarkPoints [i] [j].y;
}
}
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 nonfrontalface.
if (isFilteringNonFrontalFaces && frontalFaceParam.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 offsetX = meshOverlay.Width / 2f;
float offsetY = meshOverlay.Height / 2f;
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 - offsetX;
vertices [j].y = offsetY - landmarkPoints[i][j].y;
}
}
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 nonfrontalface.
if (isFilteringNonFrontalFaces && frontalFaceParam.getFrontalFaceRate(landmarkPoints [i]) < frontalFaceRateLowerLimit)
{
tm.Material.SetFloat(shader_FadeID, 1f);
}
}
else if (tr.state == TrackedState.DELETED)
{
meshOverlay.DeleteObject(tr.id);
}
}
}
// draw face rects.
if (isShowingFaceRects)
{
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 (rgbMat, " " + 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 (rgbMat, " " + 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);
}
}
// draw face points.
if (isShowingDebugFacePoints)
{
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 (isShowingFaceRects)
{
OpenCVForUnityUtils.DrawFaceRect(faceMaskMat, faceRectInMask, new Scalar(255, 0, 0, 255), 2);
}
if (isShowingDebugFacePoints)
{
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);
}
}
