public void OnFrameMatAcquired(Mat bgraMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix)
        {
            Mat   downScaleMat = null;
            float DOWNSCALE_RATIO;

            if (enableDownScale)
            {
                downScaleMat    = imageOptimizationHelper.GetDownScaleMat(bgraMat);
                DOWNSCALE_RATIO = imageOptimizationHelper.downscaleRatio;
            }
            else
            {
                downScaleMat    = bgraMat;
                DOWNSCALE_RATIO = 1.0f;
            }

            Imgproc.cvtColor(downScaleMat, grayMat, CVTCOLOR_CODE);
            Imgproc.equalizeHist(grayMat, grayMat);

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                grayMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() =>
                {
                    isThreadRunning = true;

                    DetectObject(grayMat4Thread, out detectionResult, cascade4Thread);

                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }


            if (!displayCameraImage)
            {
                // fill all black.
                Imgproc.rectangle(bgraMat, new Point(0, 0), new Point(bgraMat.width(), bgraMat.height()), new Scalar(0, 0, 0, 0), -1);
            }


            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker)
                    {
                        rectangleTracker.UpdateTrackedObjects(detectionResult);
                    }
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                int len = resultObjects.Count;
                for (int i = 0; i < len; i++)
                {
                    Rect rect = resultObjects[i];

                    if (enableDownScale)
                    {
                        // restore to original size rect
                        rect.x      = (int)(rect.x * DOWNSCALE_RATIO);
                        rect.y      = (int)(rect.y * DOWNSCALE_RATIO);
                        rect.width  = (int)(rect.width * DOWNSCALE_RATIO);
                        rect.height = (int)(rect.height * DOWNSCALE_RATIO);
                    }

                    // draw face rect
                    Imgproc.rectangle(bgraMat, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), COLOR_RED, 2);
                }
            }
            else
            {
                Rect[] rectsWhereRegions;

                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //}, true);

                    lock (rectangleTracker)
                    {
                        rectsWhereRegions = detectionResult.ToArray();
                    }

                    DrawDownScaleFaceRects(bgraMat, rectsWhereRegions, DOWNSCALE_RATIO, COLOR_BLUE, 1);
                }
                else
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //}, true);

                    lock (rectangleTracker)
                    {
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }

                    DrawDownScaleFaceRects(bgraMat, rectsWhereRegions, DOWNSCALE_RATIO, COLOR_GREEN, 1);
                }

                detectedObjectsInRegions.Clear();
                int len = rectsWhereRegions.Length;
                for (int i = 0; i < len; i++)
                {
                    DetectInRegion(grayMat, rectsWhereRegions[i], detectedObjectsInRegions, cascade);
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                len = resultObjects.Count;
                for (int i = 0; i < len; i++)
                {
                    Rect rect = resultObjects[i];

                    if (enableDownScale)
                    {
                        // restore to original size rect
                        rect.x      = (int)(rect.x * DOWNSCALE_RATIO);
                        rect.y      = (int)(rect.y * DOWNSCALE_RATIO);
                        rect.width  = (int)(rect.width * DOWNSCALE_RATIO);
                        rect.height = (int)(rect.height * DOWNSCALE_RATIO);
                    }

                    // draw face rect
                    Imgproc.rectangle(bgraMat, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), COLOR_RED, 2);
                }
            }

            Enqueue(() =>
            {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                Utils.fastMatToTexture2D(bgraMat, texture);
                bgraMat.Dispose();

                Matrix4x4 worldToCameraMatrix = cameraToWorldMatrix.inverse;

                quad_renderer.sharedMaterial.SetMatrix("_WorldToCameraMatrix", worldToCameraMatrix);

                // Position the canvas object slightly in front
                // of the real world web camera.
                Vector3 position = cameraToWorldMatrix.GetColumn(3) - cameraToWorldMatrix.GetColumn(2) * 2.2f;

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));

                gameObject.transform.position = position;
                gameObject.transform.rotation = rotation;
            });
        }
Beispiel #2
0
        public void OnFrameMatAcquired(Mat bgraMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix)
        {
            Imgproc.cvtColor(bgraMat, grayMat, Imgproc.COLOR_BGRA2GRAY);
            Imgproc.equalizeHist(grayMat, grayMat);

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                grayMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() => {
                    isThreadRunning = true;
                    DetectObject();
                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }


            if (!displayCameraImage)
            {
                // fill all black.
                Imgproc.rectangle(bgraMat, new Point(0, 0), new Point(bgraMat.width(), bgraMat.height()), new Scalar(0, 0, 0, 0), -1);
            }


            Rect[] rects;
            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker) {
                        rectangleTracker.UpdateTrackedObjects(detectionResult.toList());
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.GetObjects(resultObjects, true);
                }
                rects = resultObjects.ToArray();

                for (int i = 0; i < rects.Length; i++)
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log ("detected face[" + i + "] " + rects [i]);
                    //}, true);

                    Imgproc.rectangle(bgraMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 0, 255, 255), 3);
                }
            }
            else
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = detectionResult.toArray();
                    }

                    rects = rectsWhereRegions;
                    for (int i = 0; i < rects.Length; i++)
                    {
                        Imgproc.rectangle(bgraMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(255, 0, 0, 255), 1);
                    }
                }
                else
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }

                    rects = rectsWhereRegions;
                    for (int i = 0; i < rects.Length; i++)
                    {
                        Imgproc.rectangle(bgraMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 255, 0, 255), 1);
                    }
                }

                detectedObjectsInRegions.Clear();
                if (rectsWhereRegions.Length > 0)
                {
                    int len = rectsWhereRegions.Length;
                    for (int i = 0; i < len; i++)
                    {
                        DetectInRegion(grayMat, rectsWhereRegions [i], detectedObjectsInRegions);
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                rects = resultObjects.ToArray();

                for (int i = 0; i < rects.Length; i++)
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log ("detected face[" + i + "] " + rects [i]);
                    //}, true);

                    Imgproc.rectangle(bgraMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 0, 255, 255), 3);
                }
            }


            UnityEngine.WSA.Application.InvokeOnAppThread(() => {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                Utils.fastMatToTexture2D(bgraMat, texture);
                bgraMat.Dispose();

                Matrix4x4 worldToCameraMatrix = cameraToWorldMatrix.inverse;

                quad_renderer.sharedMaterial.SetMatrix("_WorldToCameraMatrix", worldToCameraMatrix);

                // Position the canvas object slightly in front
                // of the real world web camera.
                Vector3 position = cameraToWorldMatrix.GetColumn(3) - cameraToWorldMatrix.GetColumn(2);
                position        *= 1.2f;

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));

                gameObject.transform.position = position;
                gameObject.transform.rotation = rotation;
            }, false);
        }
Beispiel #3
0
        public void OnFrameMatAcquired(Mat bgraMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix)
        {
            Mat downScaleFrameMat = imageOptimizationHelper.GetDownScaleMat(bgraMat);

            Imgproc.cvtColor(downScaleFrameMat, grayMat, Imgproc.COLOR_BGRA2GRAY);
            Imgproc.equalizeHist(grayMat, grayMat);

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                grayMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() => {
                    isThreadRunning = true;
                    DetectObject();
                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }

            OpenCVForUnityUtils.SetImage(faceLandmarkDetector, grayMat);

            Mat bgraMat4preview = null;

            if (displayCameraPreview)
            {
                bgraMat4preview = new Mat();
                downScaleFrameMat.copyTo(bgraMat4preview);
            }

            List <Vector2> points = null;

            Rect[] rects;
            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker) {
                        rectangleTracker.UpdateTrackedObjects(detectionResult.toList());
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.GetObjects(resultObjects, true);
                }
                rects = resultObjects.ToArray();

                if (rects.Length > 0)
                {
                    OpenCVForUnity.Rect rect = rects [0];

                    // correct the deviation of the detection result of the face rectangle of OpenCV and Dlib.
                    rect.y += (int)(rect.height * 0.1f);

                    //detect landmark points
                    points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));

                    if (enableOpticalFlowFilter)
                    {
                        opticalFlowFilter.Process(bgraMat, points, points, false);
                    }

                    if (displayCameraPreview && bgraMat4preview != null)
                    {
                        //draw landmark points
                        OpenCVForUnityUtils.DrawFaceLandmark(bgraMat4preview, points, new Scalar(0, 255, 0, 255), 2);
                    }
                }
            }
            else
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = detectionResult.toArray();
                    }
                }
                else
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }
                }

                detectedObjectsInRegions.Clear();
                if (rectsWhereRegions.Length > 0)
                {
                    int len = rectsWhereRegions.Length;
                    for (int i = 0; i < len; i++)
                    {
                        DetectInRegion(grayMat, rectsWhereRegions [i], detectedObjectsInRegions);
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                if (resultObjects.Count > 0)
                {
                    OpenCVForUnity.Rect rect = resultObjects [0];

                    // correct the deviation of the detection result of the face rectangle of OpenCV and Dlib.
                    rect.y += (int)(rect.height * 0.1f);

                    //detect landmark points
                    points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));

                    if (enableOpticalFlowFilter)
                    {
                        opticalFlowFilter.Process(bgraMat, points, points, false);
                    }

                    if (displayCameraPreview && bgraMat4preview != null)
                    {
                        //draw landmark points
                        OpenCVForUnityUtils.DrawFaceLandmark(bgraMat4preview, points, new Scalar(0, 255, 0, 255), 2);
                    }
                }
            }


            UnityEngine.WSA.Application.InvokeOnAppThread(() => {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                if (displayCameraPreview && bgraMat4preview != null)
                {
                    OpenCVForUnity.Utils.fastMatToTexture2D(bgraMat4preview, texture);
                }

                if (points != null)
                {
                    UpdateARHeadTransform(points, cameraToWorldMatrix);
                }

                bgraMat.Dispose();
                if (bgraMat4preview != null)
                {
                    bgraMat4preview.Dispose();
                }
            }, false);
        }
        // Update is called once per frame
        void Update()
        {
            lock (sync) {
                while (ExecuteOnMainThread.Count > 0)
                {
                    ExecuteOnMainThread.Dequeue().Invoke();
                }
            }

            if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
            {
                Mat rgbaMat = webCamTextureToMatHelper.GetDownScaleMat(webCamTextureToMatHelper.GetMat());

                Imgproc.cvtColor(rgbaMat, grayMat, Imgproc.COLOR_RGBA2GRAY);
                Imgproc.equalizeHist(grayMat, grayMat);

                if (enable && !detecting)
                {
                    detecting = true;

                    grayMat.copyTo(grayMat4Thread);

                    StartThread(ThreadWorker);
                }

                if (!isShowingWebCamImage)
                {
                    // fill all black.
                    Imgproc.rectangle(rgbaMat, new Point(0, 0), new Point(rgbaMat.width(), rgbaMat.height()), new Scalar(0, 0, 0, 0), -1);
                }

                Rect[] rects;
                if (!isUsingSeparateDetection)
                {
                    if (didUpdateTheDetectionResult)
                    {
                        didUpdateTheDetectionResult = false;

                        rectangleTracker.UpdateTrackedObjects(detectionResult.toList());
                    }

                    rectangleTracker.GetObjects(resultObjects, true);
                    rects = resultObjects.ToArray();

//                    rects = rectangleTracker.CreateCorrectionBySpeedOfRects ();

                    for (int i = 0; i < rects.Length; i++)
                    {
                        //Debug.Log ("detected face[" + i + "] " + rects [i]);
                        Imgproc.rectangle(rgbaMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(255, 0, 0, 255), 2);
                    }
                }
                else
                {
                    if (didUpdateTheDetectionResult)
                    {
                        didUpdateTheDetectionResult = false;

                        //Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                        rectsWhereRegions = detectionResult.toArray();

                        rects = rectsWhereRegions;
                        for (int i = 0; i < rects.Length; i++)
                        {
                            Imgproc.rectangle(rgbaMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 0, 255, 255), 1);
                        }
                    }
                    else
                    {
                        //Debug.Log("process: get rectsWhereRegions from previous positions");
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();

                        rects = rectsWhereRegions;
                        for (int i = 0; i < rects.Length; i++)
                        {
                            Imgproc.rectangle(rgbaMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 255, 0, 255), 1);
                        }
                    }

                    detectedObjectsInRegions.Clear();
                    if (rectsWhereRegions.Length > 0)
                    {
                        int len = rectsWhereRegions.Length;
                        for (int i = 0; i < len; i++)
                        {
                            detectInRegion(grayMat, rectsWhereRegions [i], detectedObjectsInRegions);
                        }
                    }

                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);

                    rects = resultObjects.ToArray();
                    for (int i = 0; i < rects.Length; i++)
                    {
                        //Debug.Log ("detected face[" + i + "] " + rects [i]);
                        Imgproc.rectangle(rgbaMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(255, 0, 0, 255), 2);
                    }
                }

                Utils.matToTexture2D(rgbaMat, texture, webCamTextureToMatHelper.GetBufferColors());
            }

            if (webCamTextureToMatHelper.IsPlaying())
            {
                Matrix4x4 cameraToWorldMatrix = Camera.main.cameraToWorldMatrix;;
                Matrix4x4 worldToCameraMatrix = cameraToWorldMatrix.inverse;

                texture.wrapMode = TextureWrapMode.Clamp;

                quad_renderer.sharedMaterial.SetMatrix("_WorldToCameraMatrix", worldToCameraMatrix);

                // Position the canvas object slightly in front
                // of the real world web camera.
                Vector3 position = cameraToWorldMatrix.GetColumn(3) - cameraToWorldMatrix.GetColumn(2);

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));

                gameObject.transform.position = position;
                gameObject.transform.rotation = rotation;
            }
        }
        public void OnFrameMatAcquired(Mat bgraMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix)
        {
            Imgproc.cvtColor(bgraMat, grayMat, Imgproc.COLOR_BGRA2GRAY);
            Imgproc.equalizeHist(grayMat, grayMat);

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                grayMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() => {
                    isThreadRunning = true;
                    DetectObject();
                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }


            Rect[] rects;
            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker) {
                        rectangleTracker.UpdateTrackedObjects(detectionResult.toList());
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.GetObjects(resultObjects, true);
                }
                rects = resultObjects.ToArray();
            }
            else
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = detectionResult.toArray();
                    }

                    rects = rectsWhereRegions;
                }
                else
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }

                    rects = rectsWhereRegions;
                }

                detectedObjectsInRegions.Clear();
                if (rectsWhereRegions.Length > 0)
                {
                    int len = rectsWhereRegions.Length;
                    for (int i = 0; i < len; i++)
                    {
                        DetectInRegion(grayMat, rectsWhereRegions [i], detectedObjectsInRegions);
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                rects = resultObjects.ToArray();
            }


            UnityEngine.WSA.Application.InvokeOnAppThread(() => {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                DrawRects(rects, bgraMat.width(), bgraMat.height());
                bgraMat.Dispose();

                Vector3 ccCameraSpacePos = UnProjectVector(projectionMatrix, new Vector3(0.0f, 0.0f, overlayDistance));
                Vector3 tlCameraSpacePos = UnProjectVector(projectionMatrix, new Vector3(-overlayDistance, overlayDistance, overlayDistance));

                //position
                Vector3 position = cameraToWorldMatrix.MultiplyPoint3x4(ccCameraSpacePos);
                gameObject.transform.position = position;

                //scale
                Vector3 scale = new Vector3(Mathf.Abs(tlCameraSpacePos.x - ccCameraSpacePos.x) * 2, Mathf.Abs(tlCameraSpacePos.y - ccCameraSpacePos.y) * 2, 1);
                gameObject.transform.localScale = scale;

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation           = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));
                gameObject.transform.rotation = rotation;

                rectOverlay.UpdateOverlayTransform(gameObject.transform);
            }, false);
        }
        public void OnFrameMatAcquired(Mat bgraMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix)
        {
            Mat   downScaleMat = null;
            float DOWNSCALE_RATIO;

            if (enableDownScale)
            {
                downScaleMat    = imageOptimizationHelper.GetDownScaleMat(bgraMat);
                DOWNSCALE_RATIO = imageOptimizationHelper.downscaleRatio;
            }
            else
            {
                downScaleMat    = bgraMat;
                DOWNSCALE_RATIO = 1.0f;
            }

            Imgproc.cvtColor(downScaleMat, grayMat, CVTCOLOR_CODE);
            Imgproc.equalizeHist(grayMat, grayMat);

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                grayMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() =>
                {
                    isThreadRunning = true;

                    DetectObject(grayMat4Thread, out detectionResult, cascade4Thread);

                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }


            Rect[] rects;
            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker)
                    {
                        rectangleTracker.UpdateTrackedObjects(detectionResult);
                    }
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.GetObjects(resultObjects, true);
                }
                rects = resultObjects.ToArray();
            }
            else
            {
                Rect[] rectsWhereRegions;

                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //}, true);

                    lock (rectangleTracker)
                    {
                        rectsWhereRegions = detectionResult.ToArray();
                    }
                }
                else
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //}, true);

                    lock (rectangleTracker)
                    {
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }
                }

                detectedObjectsInRegions.Clear();
                int len = rectsWhereRegions.Length;
                for (int i = 0; i < len; i++)
                {
                    DetectInRegion(grayMat, rectsWhereRegions[i], detectedObjectsInRegions, cascade);
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                rects = resultObjects.ToArray();
            }

            if (enableDownScale)
            {
                int len = rects.Length;
                for (int i = 0; i < len; i++)
                {
                    Rect rect = rects[i];

                    // restore to original size rect
                    rect.x      = (int)(rect.x * DOWNSCALE_RATIO);
                    rect.y      = (int)(rect.y * DOWNSCALE_RATIO);
                    rect.width  = (int)(rect.width * DOWNSCALE_RATIO);
                    rect.height = (int)(rect.height * DOWNSCALE_RATIO);
                }
            }

            Enqueue(() =>
            {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                DrawRects(rects, bgraMat.width(), bgraMat.height());
                bgraMat.Dispose();

                Vector3 ccCameraSpacePos = UnProjectVector(projectionMatrix, new Vector3(0.0f, 0.0f, overlayDistance));
                Vector3 tlCameraSpacePos = UnProjectVector(projectionMatrix, new Vector3(-overlayDistance, overlayDistance, overlayDistance));

                //position
                Vector3 position = cameraToWorldMatrix.MultiplyPoint3x4(ccCameraSpacePos);
                gameObject.transform.position = position;

                //scale
                Vector3 scale = new Vector3(Mathf.Abs(tlCameraSpacePos.x - ccCameraSpacePos.x) * 2, Mathf.Abs(tlCameraSpacePos.y - ccCameraSpacePos.y) * 2, 1);
                gameObject.transform.localScale = scale;

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation           = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));
                gameObject.transform.rotation = rotation;

                rectOverlay.UpdateOverlayTransform(gameObject.transform);
            });
        }
Beispiel #7
0
        // Update is called once per frame
        void Update()
        {
            lock (sync) {
                while (ExecuteOnMainThread.Count > 0)
                {
                    ExecuteOnMainThread.Dequeue().Invoke();
                }
            }

            if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
            {
                Mat rgbaMat = webCamTextureToMatHelper.GetDownScaleMat(webCamTextureToMatHelper.GetMat());

                Imgproc.cvtColor(rgbaMat, grayMat, Imgproc.COLOR_RGBA2GRAY);
                Imgproc.equalizeHist(grayMat, grayMat);

                if (enable && !detecting)
                {
                    detecting = true;

                    grayMat.copyTo(grayMat4Thread);

                    StartThread(ThreadWorker);
                }

                OpenCVForUnityUtils.SetImage(faceLandmarkDetector, grayMat);

                Rect[] rects;
                if (!isUsingSeparateDetection)
                {
                    if (didUpdateTheDetectionResult)
                    {
                        didUpdateTheDetectionResult = false;

                        rectangleTracker.UpdateTrackedObjects(detectionResult.toList());
                    }

                    rectangleTracker.GetObjects(resultObjects, true);

                    rects = rectangleTracker.CreateCorrectionBySpeedOfRects();

                    if (rects.Length > 0)
                    {
                        OpenCVForUnity.Rect rect = rects [0];

                        // Adjust to Dilb's result.
                        rect.y += (int)(rect.height * 0.1f);

                        //detect landmark points
                        List <Vector2> points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));

                        UpdateARHeadTransform(points);
                    }
                }
                else
                {
                    if (didUpdateTheDetectionResult)
                    {
                        didUpdateTheDetectionResult = false;

                        //Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                        rectsWhereRegions = detectionResult.toArray();
                    }
                    else
                    {
                        //Debug.Log("process: get rectsWhereRegions from previous positions");
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }

                    detectedObjectsInRegions.Clear();
                    if (rectsWhereRegions.Length > 0)
                    {
                        int len = rectsWhereRegions.Length;
                        for (int i = 0; i < len; i++)
                        {
                            detectInRegion(grayMat, rectsWhereRegions [i], detectedObjectsInRegions);
                        }
                    }

                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);

                    if (resultObjects.Count > 0)
                    {
                        OpenCVForUnity.Rect rect = resultObjects [0];

                        // Adjust to Dilb's result.
                        rect.y += (int)(rect.height * 0.1f);

                        //detect landmark points
                        List <Vector2> points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));

                        UpdateARHeadTransform(points);
                    }
                }
            }
        }
Beispiel #8
0
        // Update is called once per frame
        void Update()
        {
            lock (sync) {
                while (ExecuteOnMainThread.Count > 0)
                {
                    ExecuteOnMainThread.Dequeue().Invoke();
                }
            }

            if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
            {
                Mat rgbaMat = webCamTextureToMatHelper.GetDownScaleMat(webCamTextureToMatHelper.GetMat());

                Imgproc.cvtColor(rgbaMat, grayMat, Imgproc.COLOR_RGBA2GRAY);
                Imgproc.equalizeHist(grayMat, grayMat);

                if (enableDetection && !isDetecting)
                {
                    isDetecting = true;

                    grayMat.copyTo(grayMat4Thread);

                    StartThread(ThreadWorker);
                }

                Rect[] rects;
                if (!useSeparateDetection)
                {
                    if (hasUpdatedDetectionResult)
                    {
                        hasUpdatedDetectionResult = false;

                        rectangleTracker.UpdateTrackedObjects(detectionResult.toList());
                    }

                    rectangleTracker.GetObjects(resultObjects, true);
                    rects = resultObjects.ToArray();

//                    rects = rectangleTracker.CreateCorrectionBySpeedOfRects ();

                    DrawRects(rects, grayMat.width(), grayMat.height());
                }
                else
                {
                    if (hasUpdatedDetectionResult)
                    {
                        hasUpdatedDetectionResult = false;

                        //Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                        rectsWhereRegions = detectionResult.toArray();

//                        rects = rectsWhereRegions;
//                        for (int i = 0; i < rects.Length; i++) {
//                            Imgproc.rectangle (rgbaMat, new Point (rects [i].x, rects [i].y), new Point (rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar (0, 0, 255, 255), 1);
//                        }
                    }
                    else
                    {
                        //Debug.Log("process: get rectsWhereRegions from previous positions");
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();

//                        rects = rectsWhereRegions;
//                        for (int i = 0; i < rects.Length; i++) {
//                            Imgproc.rectangle (rgbaMat, new Point (rects [i].x, rects [i].y), new Point (rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar (0, 255, 0, 255), 1);
//                        }
                    }

                    detectedObjectsInRegions.Clear();
                    if (rectsWhereRegions.Length > 0)
                    {
                        int len = rectsWhereRegions.Length;
                        for (int i = 0; i < len; i++)
                        {
                            DetectInRegion(grayMat, rectsWhereRegions [i], detectedObjectsInRegions);
                        }
                    }

                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);

                    rects = resultObjects.ToArray();
                    DrawRects(rects, grayMat.width(), grayMat.height());
                }
            }

            if (webCamTextureToMatHelper.IsPlaying())
            {
                Matrix4x4 cameraToWorldMatrix = Camera.main.cameraToWorldMatrix;;

                Vector3 ccCameraSpacePos = UnProjectVector(projectionMatrix, new Vector3(0.0f, 0.0f, overlayDistance));
                Vector3 tlCameraSpacePos = UnProjectVector(projectionMatrix, new Vector3(-overlayDistance, overlayDistance, overlayDistance));

                //position
                Vector3 position = cameraToWorldMatrix.MultiplyPoint3x4(ccCameraSpacePos);
                gameObject.transform.position = position;

                //scale
                Vector3 scale = new Vector3(Mathf.Abs(tlCameraSpacePos.x - ccCameraSpacePos.x) * 2, Mathf.Abs(tlCameraSpacePos.y - ccCameraSpacePos.y) * 2, 1);
                gameObject.transform.localScale = scale;

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));
                gameObject.transform.rotation = rotation;

                rectOverlay.UpdateOverlayTransform(gameObject.transform);
            }
        }
        public void OnFrameMatAcquired(Mat grayMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix, CameraIntrinsics cameraIntrinsics)
        {
            isDetectingInFrameArrivedThread = true;

            DebugUtils.VideoTick();

            Mat   downScaleMat = null;
            float DOWNSCALE_RATIO;

            if (enableDownScale)
            {
                downScaleMat    = imageOptimizationHelper.GetDownScaleMat(grayMat);
                DOWNSCALE_RATIO = imageOptimizationHelper.downscaleRatio;
            }
            else
            {
                downScaleMat    = grayMat;
                DOWNSCALE_RATIO = 1.0f;
            }

            Imgproc.equalizeHist(downScaleMat, downScaleMat);

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                downScaleMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() =>
                {
                    isThreadRunning = true;

                    DetectObject(grayMat4Thread, out detectionResult, cascade4Thread);

                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }

            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker)
                    {
                        rectangleTracker.UpdateTrackedObjects(detectionResult);
                    }
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                if (!displayCameraImage)
                {
                    // fill all black.
                    Imgproc.rectangle(grayMat, new Point(0, 0), new Point(grayMat.width(), grayMat.height()), new Scalar(0, 0, 0, 0), -1);
                }

                // draw face rect.
                DrawDownScaleFaceRects(grayMat, resultObjects.ToArray(), DOWNSCALE_RATIO, COLOR_WHITE, 6);
            }
            else
            {
                Rect[] rectsWhereRegions;

                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //Enqueue(() =>
                    //{
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //});

                    lock (rectangleTracker)
                    {
                        rectsWhereRegions = detectionResult.ToArray();
                    }
                }
                else
                {
                    //Enqueue(() =>
                    //{
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //});

                    lock (rectangleTracker)
                    {
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }
                }

                detectedObjectsInRegions.Clear();
                int len = rectsWhereRegions.Length;
                for (int i = 0; i < len; i++)
                {
                    DetectInRegion(downScaleMat, rectsWhereRegions[i], detectedObjectsInRegions, cascade);
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                if (!displayCameraImage)
                {
                    // fill all black.
                    Imgproc.rectangle(grayMat, new Point(0, 0), new Point(grayMat.width(), grayMat.height()), new Scalar(0, 0, 0, 0), -1);
                }

                // draw previous rect.
                DrawDownScaleFaceRects(grayMat, rectsWhereRegions, DOWNSCALE_RATIO, COLOR_GRAY, 1);

                // draw face rect.
                DrawDownScaleFaceRects(grayMat, resultObjects.ToArray(), DOWNSCALE_RATIO, COLOR_WHITE, 6);
            }

            DebugUtils.TrackTick();

            Enqueue(() =>
            {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                Utils.fastMatToTexture2D(grayMat, texture);
                grayMat.Dispose();

                Matrix4x4 worldToCameraMatrix = cameraToWorldMatrix.inverse;

                quad_renderer.sharedMaterial.SetMatrix("_WorldToCameraMatrix", worldToCameraMatrix);

                // Position the canvas object slightly in front
                // of the real world web camera.
                Vector3 position = cameraToWorldMatrix.GetColumn(3) - cameraToWorldMatrix.GetColumn(2) * 2.2f;

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));

                gameObject.transform.position = position;
                gameObject.transform.rotation = rotation;
            });

            isDetectingInFrameArrivedThread = false;
        }
        public void OnFrameMatAcquired(Mat grayMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix, CameraIntrinsics cameraIntrinsics)
        {
            isDetectingInFrameArrivedThread = true;

            DebugUtils.VideoTick();

            Mat   downScaleMat = null;
            float DOWNSCALE_RATIO;

            if (enableDownScale)
            {
                downScaleMat    = imageOptimizationHelper.GetDownScaleMat(grayMat);
                DOWNSCALE_RATIO = imageOptimizationHelper.downscaleRatio;
            }
            else
            {
                downScaleMat    = grayMat;
                DOWNSCALE_RATIO = 1.0f;
            }

            if (useOpenCVDetector)
            {
                Imgproc.equalizeHist(downScaleMat, downScaleMat);
            }

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                downScaleMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() =>
                {
                    isThreadRunning = true;

                    if (useOpenCVDetector)
                    {
                        DetectObject(grayMat4Thread, out detectionResult, cascade4Thread, true);
                    }
                    else
                    {
                        DetectObject(grayMat4Thread, out detectionResult, faceLandmarkDetector4Thread);
                    }

                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }

            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker)
                    {
                        rectangleTracker.UpdateTrackedObjects(detectionResult);
                    }
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                // set original size image
                OpenCVForUnityUtils.SetImage(faceLandmarkDetector, grayMat);

                resultFaceLandmarkPoints.Clear();
                foreach (Rect rect in resultObjects)
                {
                    // restore to original size rect
                    rect.x      = (int)(rect.x * DOWNSCALE_RATIO);
                    rect.y      = (int)(rect.y * DOWNSCALE_RATIO);
                    rect.width  = (int)(rect.width * DOWNSCALE_RATIO);
                    rect.height = (int)(rect.height * DOWNSCALE_RATIO);

                    // detect face landmark points
                    List <Vector2> points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));
                    resultFaceLandmarkPoints.Add(points);
                }

                if (!displayCameraImage)
                {
                    // fill all black
                    Imgproc.rectangle(grayMat, new Point(0, 0), new Point(grayMat.width(), grayMat.height()), new Scalar(0, 0, 0, 0), -1);
                }

                if (displayDetectedFaceRect)
                {
                    // draw face rects
                    foreach (Rect rect in resultObjects)
                    {
                        OpenCVForUnityUtils.DrawFaceRect(grayMat, new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height), COLOR_GRAY, 2);
                    }
                }

                // draw face landmark points
                foreach (List <Vector2> points in resultFaceLandmarkPoints)
                {
                    OpenCVForUnityUtils.DrawFaceLandmark(grayMat, points, COLOR_WHITE, 4);
                }
            }
            else
            {
                Rect[] rectsWhereRegions;

                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //Enqueue(() =>
                    //{
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //});

                    lock (rectangleTracker)
                    {
                        rectsWhereRegions = detectionResult.ToArray();
                    }
                }
                else
                {
                    //Enqueue(() =>
                    //{
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //});

                    if (useOpenCVDetector)
                    {
                        lock (rectangleTracker)
                        {
                            rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                        }
                    }
                    else
                    {
                        lock (rectangleTracker)
                        {
                            rectsWhereRegions = rectangleTracker.CreateRawRects();
                        }
                    }
                }

                detectedObjectsInRegions.Clear();
                foreach (Rect rect in rectsWhereRegions)
                {
                    if (useOpenCVDetector)
                    {
                        DetectInRegion(downScaleMat, rect, detectedObjectsInRegions, cascade, true);
                    }
                    else
                    {
                        DetectInRegion(downScaleMat, rect, detectedObjectsInRegions, faceLandmarkDetector);
                    }
                }

                lock (rectangleTracker)
                {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, false);
                }

                // set original size image
                OpenCVForUnityUtils.SetImage(faceLandmarkDetector, grayMat);

                resultFaceLandmarkPoints.Clear();
                foreach (Rect rect in resultObjects)
                {
                    // restore to original size rect
                    rect.x      = (int)(rect.x * DOWNSCALE_RATIO);
                    rect.y      = (int)(rect.y * DOWNSCALE_RATIO);
                    rect.width  = (int)(rect.width * DOWNSCALE_RATIO);
                    rect.height = (int)(rect.height * DOWNSCALE_RATIO);

                    // detect face landmark points
                    List <Vector2> points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));
                    resultFaceLandmarkPoints.Add(points);
                }

                if (!displayCameraImage)
                {
                    // fill all black
                    Imgproc.rectangle(grayMat, new Point(0, 0), new Point(grayMat.width(), grayMat.height()), new Scalar(0, 0, 0, 0), -1);
                }

                if (displayDetectedFaceRect)
                {
                    // draw previous rects
                    DrawDownScaleFaceRects(grayMat, rectsWhereRegions, DOWNSCALE_RATIO, COLOR_GRAY, 1);

                    // draw face rects
                    foreach (Rect rect in resultObjects)
                    {
                        OpenCVForUnityUtils.DrawFaceRect(grayMat, new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height), COLOR_GRAY, 2);
                    }
                }

                // draw face landmark points
                foreach (List <Vector2> points in resultFaceLandmarkPoints)
                {
                    OpenCVForUnityUtils.DrawFaceLandmark(grayMat, points, COLOR_WHITE, 4);
                }
            }

            DebugUtils.TrackTick();

            Enqueue(() =>
            {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                Utils.fastMatToTexture2D(grayMat, texture);
                grayMat.Dispose();

                Matrix4x4 worldToCameraMatrix = cameraToWorldMatrix.inverse;

                quad_renderer.sharedMaterial.SetMatrix("_WorldToCameraMatrix", worldToCameraMatrix);

                // Position the canvas object slightly in front
                // of the real world web camera.
                Vector3 position = cameraToWorldMatrix.GetColumn(3) - cameraToWorldMatrix.GetColumn(2) * 2.2f;

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));

                gameObject.transform.position = position;
                gameObject.transform.rotation = rotation;
            });

            isDetectingInFrameArrivedThread = false;
        }
Beispiel #11
0
        public void OnFrameMatAcquired(Mat bgraMat, Matrix4x4 projectionMatrix, Matrix4x4 cameraToWorldMatrix)
        {
            Mat downScaleFrameMat = bgraMat;

            if (imageOptimizationHelper.downscaleRatio != 1)
            {
                downScaleFrameMat = new Mat();
                Imgproc.resize(bgraMat, downScaleFrameMat, new Size(), 1.0 / imageOptimizationHelper.downscaleRatio, 1.0 / imageOptimizationHelper.downscaleRatio, Imgproc.INTER_LINEAR);
            }

            Imgproc.cvtColor(downScaleFrameMat, grayMat, Imgproc.COLOR_BGRA2GRAY);
            Imgproc.equalizeHist(grayMat, grayMat);

            if (enableDetection && !isDetecting)
            {
                isDetecting = true;

                grayMat.copyTo(grayMat4Thread);

                System.Threading.Tasks.Task.Run(() => {
                    isThreadRunning = true;
                    DetectObject();
                    isThreadRunning = false;
                    OnDetectionDone();
                });
            }

            OpenCVForUnityUtils.SetImage(faceLandmarkDetector, grayMat);

            if (!displayCameraImage)
            {
                // fill all black.
                Imgproc.rectangle(downScaleFrameMat, new Point(0, 0), new Point(downScaleFrameMat.width(), downScaleFrameMat.height()), new Scalar(0, 0, 0, 0), -1);
            }


            Rect[] rects;
            if (!useSeparateDetection)
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    lock (rectangleTracker) {
                        rectangleTracker.UpdateTrackedObjects(detectionResult.toList());
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.GetObjects(resultObjects, true);
                }
                rects = resultObjects.ToArray();

                if (displayDetectedFaceRect)
                {
                    for (int i = 0; i < rects.Length; i++)
                    {
                        //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                        //    Debug.Log ("detected face[" + i + "] " + rects [i]);
                        //}, true);

                        Imgproc.rectangle(downScaleFrameMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 0, 255, 255), 3);
                    }
                }

                // Adjust to Dilb's result.
                foreach (OpenCVForUnity.Rect r in resultObjects)
                {
                    r.y += (int)(r.height * 0.1f);
                }

                foreach (var rect in resultObjects)
                {
                    //detect landmark points
                    List <Vector2> points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));

                    //draw landmark points
                    OpenCVForUnityUtils.DrawFaceLandmark(downScaleFrameMat, points, new Scalar(0, 255, 0, 255), 2);

                    if (displayDetectedFaceRect)
                    {
                        //draw face rect
                        OpenCVForUnityUtils.DrawFaceRect(downScaleFrameMat, new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height), new Scalar(0, 0, 255, 255), 2);
                    }
                }
            }
            else
            {
                if (hasUpdatedDetectionResult)
                {
                    hasUpdatedDetectionResult = false;

                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions were got from detectionResult");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = detectionResult.toArray();
                    }

                    if (displayDetectedFaceRect)
                    {
                        rects = rectsWhereRegions;
                        for (int i = 0; i < rects.Length; i++)
                        {
                            Imgproc.rectangle(downScaleFrameMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(255, 0, 0, 255), 1);
                        }
                    }
                }
                else
                {
                    //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                    //    Debug.Log("process: get rectsWhereRegions from previous positions");
                    //}, true);

                    lock (rectangleTracker) {
                        rectsWhereRegions = rectangleTracker.CreateCorrectionBySpeedOfRects();
                    }

                    if (displayDetectedFaceRect)
                    {
                        rects = rectsWhereRegions;
                        for (int i = 0; i < rects.Length; i++)
                        {
                            Imgproc.rectangle(downScaleFrameMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 255, 0, 255), 1);
                        }
                    }
                }

                detectedObjectsInRegions.Clear();
                if (rectsWhereRegions.Length > 0)
                {
                    int len = rectsWhereRegions.Length;
                    for (int i = 0; i < len; i++)
                    {
                        DetectInRegion(grayMat, rectsWhereRegions [i], detectedObjectsInRegions);
                    }
                }

                lock (rectangleTracker) {
                    rectangleTracker.UpdateTrackedObjects(detectedObjectsInRegions);
                    rectangleTracker.GetObjects(resultObjects, true);
                }

                if (displayDetectedFaceRect)
                {
                    rects = resultObjects.ToArray();
                    for (int i = 0; i < rects.Length; i++)
                    {
                        //UnityEngine.WSA.Application.InvokeOnAppThread (() => {
                        //    Debug.Log ("detected face[" + i + "] " + rects [i]);
                        //}, true);

                        Imgproc.rectangle(downScaleFrameMat, new Point(rects [i].x, rects [i].y), new Point(rects [i].x + rects [i].width, rects [i].y + rects [i].height), new Scalar(0, 0, 255, 255), 3);
                    }
                }

                // Adjust to Dilb's result.
                foreach (OpenCVForUnity.Rect r in resultObjects)
                {
                    r.y += (int)(r.height * 0.1f);
                }

                foreach (var rect in resultObjects)
                {
                    //detect landmark points
                    List <Vector2> points = faceLandmarkDetector.DetectLandmark(new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height));

                    //draw landmark points
                    OpenCVForUnityUtils.DrawFaceLandmark(downScaleFrameMat, points, new Scalar(0, 255, 0, 255), 2);

                    if (displayDetectedFaceRect)
                    {
                        //draw face rect
                        OpenCVForUnityUtils.DrawFaceRect(downScaleFrameMat, new UnityEngine.Rect(rect.x, rect.y, rect.width, rect.height), new Scalar(0, 0, 255, 255), 2);
                    }
                }
            }


            UnityEngine.WSA.Application.InvokeOnAppThread(() => {
                if (!webCamTextureToMatHelper.IsPlaying())
                {
                    return;
                }

                OpenCVForUnity.Utils.fastMatToTexture2D(downScaleFrameMat, texture);
                bgraMat.Dispose();
                if (imageOptimizationHelper.downscaleRatio != 1)
                {
                    downScaleFrameMat.Dispose();
                }

                Matrix4x4 worldToCameraMatrix = cameraToWorldMatrix.inverse;

                quad_renderer.sharedMaterial.SetMatrix("_WorldToCameraMatrix", worldToCameraMatrix);

                // Position the canvas object slightly in front
                // of the real world web camera.
                Vector3 position = cameraToWorldMatrix.GetColumn(3) - cameraToWorldMatrix.GetColumn(2);

                // Rotate the canvas object so that it faces the user.
                Quaternion rotation = Quaternion.LookRotation(-cameraToWorldMatrix.GetColumn(2), cameraToWorldMatrix.GetColumn(1));

                gameObject.transform.position = position;
                gameObject.transform.rotation = rotation;
            }, false);
        }