/// <summary>
/// Fast version: Find brightest red pixel in a masked image
/// Use Laplacian filter to detect areas where the red color component has changed more than blue or green
/// </summary>
/// <param name="bgraMat">Image data in BGRA format</param>
/// <param name="mask">mask of relavant areas to search</param>
/// <param name="originalWidth">width of the original (non-cropped) image used for parameter tuning</param>
private Point FastFindBrightestPoint(Mat bgraMat, Mat mask, int originalWidth)
{
var ksize = originalWidth > 1600 ? 15 : 11;
Mat blurred = new Mat();
Imgproc.blur(bgraMat, blurred, new Size(ksize, ksize));
Mat redBlurred = new Mat();
Core.extractChannel(blurred, redBlurred, 2);
Mat red = new Mat();
Core.extractChannel(bgraMat, red, 2);
red -= redBlurred;
var minMax = Core.minMaxLoc(red, mask); // get pixel with strongest contrast towards red among reddish things
// experimental size detection: only accept small objects as laser pointer
//Scalar zero = new Scalar(0);
//Mat fillMask = new Mat(red.height(), red.width(), CvType.CV_8UC1, zero);
//Rect rect = new Rect();
//Imgproc.floodFill(red, fillMask, minMax.maxLoc, zero, rect, zero /*new Scalar(minMax.maxVal/2)*/, new Scalar(minMax.maxVal), 4 | Imgproc.FLOODFILL_FIXED_RANGE);
//if (rect.area() > 1)
//{
// return null;
//}
blurred.Dispose();
redBlurred.Dispose();
red.Dispose();
return(minMax.maxLoc);
}
// threshold根据亮度去除背景
private static Mat MyThresholdHsv(Mat frame)
{
Mat hsvImg = new Mat();
List <Mat> hsvPlanes = new List <Mat>();
Mat thresholdImg = new Mat();
// threshold the image with the average hue value
hsvImg.create(frame.size(), CvType.CV_8U);
Imgproc.cvtColor(frame, hsvImg, Imgproc.COLOR_BGR2HSV);
Core.split(hsvImg, hsvPlanes); //3个通道
// get the average hue value of the image
Scalar average = Core.mean(hsvPlanes[0]);
double threshValue = average.val[0];
Imgproc.threshold(hsvPlanes[0], thresholdImg, threshValue, 179.0, Imgproc.THRESH_BINARY_INV);
Imgproc.blur(thresholdImg, thresholdImg, new Size(15, 15));
// dilate to fill gaps, erode to smooth edges
Imgproc.dilate(thresholdImg, thresholdImg, new Mat(), new Point(-1, -1), 1);
Imgproc.erode(thresholdImg, thresholdImg, new Mat(), new Point(-1, -1), 3);
Imgproc.threshold(thresholdImg, thresholdImg, threshValue, 179.0, Imgproc.THRESH_BINARY);
// create the new image
Mat foreground = new Mat(frame.size(), CvType.CV_8UC3, new Scalar(0, 0, 0));
thresholdImg.convertTo(thresholdImg, CvType.CV_8U);
frame.copyTo(foreground, thresholdImg);
return(foreground);
}
public int matchDice(Mat src, OpenCVForUnity.Rect rect, Mat temp)
{
Mat subRGB = new Mat(src, rect);
//灰階
Mat grayMat = new Mat();
Imgproc.cvtColor(subRGB, grayMat, Imgproc.COLOR_RGB2GRAY);
Mat hierarchy = new Mat();
List <MatOfPoint> contours = new List <MatOfPoint>();
//模糊.Canny.侵蝕膨脹
Imgproc.blur(grayMat, grayMat, new Size(3, 3));
Imgproc.Canny(grayMat, grayMat, 50, 150);
morphOps(grayMat);
//找輪廓
Imgproc.findContours(grayMat, contours, hierarchy, Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
for (int i = 0; i < contours.Count; i++)
{
Imgproc.drawContours(temp, contours, i, new Scalar(255, 255, 255), 2);
}
//回傳輪廓數目
return(contours.Count);
}
void sharpenImage(Mat image, Mat sharpened)
{
Mat blurred = new Mat();
//Imgproc.GaussianBlur(image, blurred, new Size(0,0), 5);
Imgproc.blur(image, blurred, new Size(3, 3));
Core.addWeighted(image, 1 + sharpness, blurred, -1 * sharpness, 0, sharpened);
}
// Blurs edges of mask
private void featherMask()
{
using (Mat refined_mask_target_rect = new Mat(refined_mask, target_rect))
{
Imgproc.erode(refined_mask, refined_mask, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, feather_amount), new Point(-1, -1), 1, Core.BORDER_CONSTANT, new Scalar(0));
Imgproc.blur(refined_mask, refined_mask, feather_amount, new Point(-1, -1), Core.BORDER_CONSTANT);
}
}
private void Start()
{
var src = Util.LoadTexture("imori_256x256");
var dst = new Mat();
var size = 3;
Imgproc.blur(src, dst, new Size(size, size));
GetComponent <Renderer>().material.mainTexture = Util.MatToTexture2D(dst);
}
void ConvertIntoDest(Texture2D srcTexture, RawImage destImage = null)
{
srcMat = new Mat(srcTexture.height, srcTexture.width, CvType.CV_8UC3);
Utils.texture2DToMat(srcTexture, srcMat);
destMat = new Mat();
srcMat.copyTo(destMat);
Imgproc.cvtColor(destMat, destMat, Imgproc.COLOR_BGR2GRAY);
// Imgproc.GaussianBlur(destMat,destMat,new Size(5,5) , 1);
Imgproc.blur(destMat, destMat, new Size(low, low));
Imgproc.threshold(destMat, destMat, 120, 255, Imgproc.THRESH_BINARY);
Imgproc.Canny(destMat, destMat, 20, 190);
List <MatOfPoint> contours = new List <MatOfPoint>();
Imgproc.findContours(destMat, contours, new Mat(), Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
int num = 0;
List <MatOfPoint> contours_list = new List <MatOfPoint>();
for (int i = 0; i < contours.Count; i++)
{
double area = Imgproc.contourArea(contours[i]);
print(area);
// if(area > 1000 && area < 3000){
// contours_list.Add(contours[i]);
// num = num + 1;
// }
if (area > 80)
{
contours_list.Add(contours[i]);
num = num + 1;
}
}
for (int i = 0; i < contours_list.Count; i++)
{
Imgproc.drawContours(srcMat, contours_list, -1, new Scalar(0, 255, 0), 4);
}
print("Number of valid contours detected : " + contours_list.Count.ToString());
infoText.text = "Detection : " + contours_list.Count.ToString();
Texture2D finalTexture = new Texture2D(srcMat.width(), srcMat.height(), TextureFormat.RGB24, false);
Utils.matToTexture2D(srcMat, finalTexture);
if (destImage == null)
{
srcImage.texture = finalTexture;
}
else
{
destImage.texture = finalTexture;
// SaveTextureAsPNG(finalTexture,"CropImageOutput");
destImage.enabled = true;
}
}
void Start()
{
srcMat = Imgcodecs.imread(Application.dataPath + "/Textures/lena.jpg", 1); //512,512
Imgproc.cvtColor(srcMat, srcMat, Imgproc.COLOR_BGR2RGB);
Texture2D t2d = new Texture2D(srcMat.width(), srcMat.height());
Utils.matToTexture2D(srcMat, t2d);
Sprite sp = Sprite.Create(t2d, new UnityEngine.Rect(0, 0, t2d.width, t2d.height), Vector2.zero);
m_srcImage.sprite = sp;
m_srcImage.preserveAspect = true;
m_srcImage.rectTransform.offsetMin = new Vector2(0, 0);
m_srcImage.rectTransform.offsetMax = new Vector2(t2d.width, t2d.height);
m_srcImage.rectTransform.anchoredPosition = Vector2.zero;
//--------------------------------------------------//
dstMat = Imgcodecs.imread(Application.dataPath + "/Textures/0.jpg", 1); //500,500
Imgproc.cvtColor(dstMat, dstMat, Imgproc.COLOR_BGR2RGB);
//dstMat = new Mat();
Mat grayMat = new Mat();
detected_edges = new Mat();
double threshold1 = 1;
double threshold2 = 100;
int kernel_size = 3;
//使用 3x3内核降噪
Imgproc.cvtColor(srcMat, grayMat, Imgproc.COLOR_RGB2GRAY);
Imgproc.blur(grayMat, detected_edges, new Size(3, 3));
Imgproc.Canny(detected_edges, detected_edges, threshold1, threshold2, kernel_size, false);
//使用 Canny算子输出边缘作为掩码显示原图像
//dstMat.setTo(new Scalar(0));
Imgproc.resize(dstMat, dstMat, srcMat.size());
//srcMat.copyTo(dstMat, detected_edges); //保证srcMat,dstMat是一样大的
//左.copyTo(中, 右); //左作为像素源，右作为mask，合成到中
OpenCVForUnity.Rect rect = new OpenCVForUnity.Rect(25, 25, 125, 200);
srcMat.submat(rect).copyTo(dstMat);
Texture2D dst_t2d = new Texture2D(dstMat.width(), dstMat.height());
Utils.matToTexture2D(dstMat, dst_t2d);
Sprite dst_sp = Sprite.Create(dst_t2d, new UnityEngine.Rect(0, 0, dst_t2d.width, dst_t2d.height), Vector2.zero);
m_dstImage.sprite = dst_sp;
m_dstImage.preserveAspect = true;
m_dstImage.rectTransform.offsetMin = new Vector2(0, 0);
m_dstImage.rectTransform.offsetMax = new Vector2(dst_t2d.width, dst_t2d.height);
m_dstImage.rectTransform.anchoredPosition = Vector2.zero;
}
///<summary>
/// Detects number of electrons in the texture image and return new texture with
/// contours and out with number of detected electrons
///</summary>
public static Texture2D ApplyScanning(Texture2D srcTexture, int blurSize, out int detectionCount)
{
Mat srcMat = new Mat(srcTexture.height, srcTexture.width, CvType.CV_8UC3);
Utils.texture2DToMat(srcTexture, srcMat);
Mat destMat = new Mat();
srcMat.copyTo(destMat);
Imgproc.cvtColor(destMat, destMat, Imgproc.COLOR_BGR2GRAY);
// Imgproc.GaussianBlur(destMat,destMat,new Size(5,5) , 1);
Imgproc.blur(destMat, destMat, new Size(blurSize, blurSize));
Imgproc.threshold(destMat, destMat, 120, 255, Imgproc.THRESH_BINARY);
Imgproc.Canny(destMat, destMat, 20, 190);
List <MatOfPoint> contours = new List <MatOfPoint>();
Imgproc.findContours(destMat, contours, new Mat(), Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
int num = 0;
List <MatOfPoint> contours_list = new List <MatOfPoint>();
for (int i = 0; i < contours.Count; i++)
{
double area = Imgproc.contourArea(contours[i]);
// print(area);
// if(area > 1000 && area < 3000){
// contours_list.Add(contours[i]);
// num = num + 1;
// }
if (area > 80)
{
contours_list.Add(contours[i]);
num = num + 1;
}
}
detectionCount = num;
for (int i = 0; i < contours_list.Count; i++)
{
Imgproc.drawContours(srcMat, contours_list, -1, new Scalar(0, 255, 0), 4);
}
Texture2D scannedTexture = new Texture2D(srcMat.width(), srcMat.height(), TextureFormat.RGB24, false);
Utils.matToTexture2D(srcMat, scannedTexture);
return(scannedTexture);
}
/// <summary>
/// Creates an alpha mask texture.
/// </summary>
/// <returns>An alpha mask texture.</returns>
/// <param name="width">The texture width.</param>
/// <param name="height">The texture height.</param>
/// <param name="baseArea">The base area.(An array of points in UV coordinate system)</param>
/// <param name="exclusionAreas">Exclusion areas.(An array of points in UV coordinate system)</param>
public static Texture2D CreateAlphaMaskTexture(float width, float height, Vector2[] baseArea, params Vector2[][] exclusionAreas)
{
Mat baseAreaMaskMat = new Mat((int)height, (int)width, CvType.CV_8UC4);
baseAreaMaskMat.setTo(new Scalar(0, 0, 0, 255));
Point[] baseAreaPoints = new Point[baseArea.Length];
for (int i = 0; i < baseArea.Length; i++)
{
baseAreaPoints [i] = new Point(baseArea [i].x * width, height - baseArea [i].y * height);
}
Imgproc.fillConvexPoly(baseAreaMaskMat, new MatOfPoint(baseAreaPoints), Scalar.all(255), Imgproc.LINE_AA, 0);
// Imgproc.erode(baseAreaMaskMat, baseAreaMaskMat, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size (width * 0.01, height * 0.01)), new Point(-1, -1), 1, Core.BORDER_CONSTANT, new Scalar(0, 0, 0, 255));
Imgproc.blur(baseAreaMaskMat, baseAreaMaskMat, new Size(width * 0.03, height * 0.03));
Mat exclusionAreaMaskMat = new Mat((int)height, (int)width, CvType.CV_8UC4);
exclusionAreaMaskMat.setTo(new Scalar(0, 0, 0, 255));
foreach (Vector2[] exclusionArea in exclusionAreas)
{
Point[] points = new Point[exclusionArea.Length];
for (int i = 0; i < exclusionArea.Length; i++)
{
points [i] = new Point(exclusionArea [i].x * width, height - exclusionArea [i].y * height);
}
Imgproc.fillConvexPoly(exclusionAreaMaskMat, new MatOfPoint(points), Scalar.all(255), Imgproc.LINE_AA, 0);
}
// Imgproc.dilate(exclusionAreaMaskMat, exclusionAreaMaskMat, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size (width * 0.002, height * 0.002)), new Point(-1, -1), 1, Core.BORDER_CONSTANT, new Scalar(0));
Imgproc.blur(exclusionAreaMaskMat, exclusionAreaMaskMat, new Size(width * 0.01, height * 0.01), new Point(-1, -1), Core.BORDER_CONSTANT);
Mat maskMat = new Mat((int)height, (int)width, CvType.CV_8UC4);
Core.bitwise_xor(baseAreaMaskMat, exclusionAreaMaskMat, maskMat);
Texture2D texture = new Texture2D((int)width, (int)height, TextureFormat.RGB24, false);
Utils.matToTexture2D(maskMat, texture);
maskMat.Dispose();
baseAreaMaskMat.Dispose();
exclusionAreaMaskMat.Dispose();
return(texture);
}
//Canny滤波
public Sprite CannyGradient()
{
Mat edge = new Mat();
double threshold1 = 0;
double threshold2 = 100;
Imgproc.blur(grayMat, edge, new Size(3, 3));
Imgproc.Canny(edge, edge, threshold1, threshold2);
Core.convertScaleAbs(edge, dstMat);
// Mat转Texture2D
Texture2D t2d = new Texture2D(dstMat.cols(), dstMat.rows());
Utils.matToTexture2D(dstMat, t2d);
Sprite sp = Sprite.Create(t2d, new UnityEngine.Rect(0, 0, t2d.width, t2d.height), Vector2.zero);
return(sp);
}
//简单模糊
void OnSimpleBlur(bool value)
{
m_blurImage.enabled = true;
if (!value)
{
return;
}
Mat dstMat = new Mat();
dstMat = srcMat.clone();
Size kSize = new Size(10d, 10d);
Imgproc.blur(dstMat, dstMat, kSize);
Texture2D t2d = new Texture2D(dstMat.width(), dstMat.height());
Sprite sp = Sprite.Create(t2d, new UnityEngine.Rect(0, 0, t2d.width, t2d.height), Vector2.zero);
m_blurImage.sprite = sp;
m_blurImage.preserveAspect = true;
Utils.matToTexture2D(dstMat, t2d);
}
public void Process(Mat src, Mat dst, bool isBGR = false)
{
if (src == null)
{
throw new ArgumentNullException("src == null");
}
if (dst == null)
{
throw new ArgumentNullException("dst == null");
}
if (grayMat != null && (grayMat.width() != src.width() || grayMat.height() != src.height()))
{
grayMat.Dispose();
grayMat = null;
maskMat.Dispose();
maskMat = null;
screentoneMat.Dispose();
screentoneMat = null;
grayDstMat.Dispose();
grayDstMat = null;
}
grayMat = grayMat ?? new Mat(src.height(), src.width(), CvType.CV_8UC1);
maskMat = maskMat ?? new Mat(src.height(), src.width(), CvType.CV_8UC1);
grayDstMat = grayDstMat ?? new Mat(src.height(), src.width(), CvType.CV_8UC1);
if (screentoneMat == null)
{
// create a striped screentone.
screentoneMat = new Mat(src.height(), src.width(), CvType.CV_8UC1, new Scalar(255));
for (int i = 0; i < screentoneMat.rows() * 2.5f; i = i + 4)
{
Imgproc.line(screentoneMat, new Point(0, 0 + i), new Point(screentoneMat.cols(), -screentoneMat.cols() + i), new Scalar(0), 1);
}
}
if (src.type() == CvType.CV_8UC1)
{
src.copyTo(grayMat);
}
else if (dst.type() == CvType.CV_8UC3)
{
Imgproc.cvtColor(src, grayMat, (isBGR) ? Imgproc.COLOR_BGR2GRAY : Imgproc.COLOR_RGB2GRAY);
}
else
{
Imgproc.cvtColor(src, grayMat, (isBGR) ? Imgproc.COLOR_BGRA2GRAY : Imgproc.COLOR_RGBA2GRAY);
}
// binarize.
Imgproc.threshold(grayMat, grayDstMat, blackThresh, 255.0, Imgproc.THRESH_BINARY);
// draw striped screentone.
Core.LUT(grayMat, grayLUT, maskMat);
screentoneMat.copyTo(grayDstMat, maskMat);
// draw main line.
if (drawMainLine)
{
Core.LUT(grayMat, contrastAdjustmentsLUT, maskMat); // = grayMat.convertTo(maskMat, -1, 1.5, 0);
if (useNoiseFilter)
{
Imgproc.blur(maskMat, grayMat, blurSize);
Imgproc.dilate(grayMat, maskMat, kernel_dilate);
}
else
{
Imgproc.dilate(maskMat, grayMat, kernel_dilate);
}
Core.absdiff(grayMat, maskMat, grayMat);
Imgproc.threshold(grayMat, maskMat, 25, 255.0, Imgproc.THRESH_BINARY);
if (useNoiseFilter)
{
Imgproc.erode(maskMat, grayMat, kernel_erode);
Core.bitwise_not(grayMat, maskMat);
maskMat.copyTo(grayDstMat, grayMat);
}
else
{
Core.bitwise_not(maskMat, grayMat);
grayMat.copyTo(grayDstMat, maskMat);
}
}
if (dst.type() == CvType.CV_8UC1)
{
grayDstMat.copyTo(dst);
}
else if (dst.type() == CvType.CV_8UC3)
{
Imgproc.cvtColor(grayDstMat, dst, (isBGR) ? Imgproc.COLOR_GRAY2BGR : Imgproc.COLOR_GRAY2RGB);
}
else
{
Imgproc.cvtColor(grayDstMat, dst, (isBGR) ? Imgproc.COLOR_GRAY2BGRA : Imgproc.COLOR_GRAY2RGBA);
}
}
public void processFrame()
{
if (inversion)
{
//flip
Core.bitwise_not(toneMat, toneMat);
}
if (resize)
{
Imgproc.resize(toneMat, toneMat, new Size((int)Math.Round(resizeRatio * toneMat.width()), (int)Math.Round(resizeRatio * toneMat.height())));
}
//
if (toneThreshold)
{
Imgproc.threshold(toneMat, toneMat, thresholdValue, 255, Imgproc.THRESH_BINARY);
}
if (blobs)
{
blobDetector.detect(toneMat, keypoints);
Features2d.drawKeypoints(toneMat, keypoints, toneMat);
}
if (blur)
{
Imgproc.blur(toneMat, toneMat, new Size(blurSize, blurSize));
}
if (centerPoint)
{
moments.Add(Imgproc.moments(toneMat, true));
WeightedCentroid.Add(new Point((int)Math.Round(moments[0].m10 / moments[0].m00), (int)Math.Round(moments[0].m01 / moments[0].m00)));
Debug.Log("center: " + WeightedCentroid[0].x + ", " + WeightedCentroid[0].y);
}
if (edge)
{
Imgproc.Canny(toneMat, toneMat, thresholdValue * 0.5, thresholdValue);
//Imgproc.findContours (toneMat, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE );
//
// foreach(MatOfPoint i in contours){
// Debug.Log ("contour " + i + ": " + i.ToString());
// }
//Debug.Log ("contours count: " + contours.Count);
moments.Add(Imgproc.moments(toneMat, true));
if (WeightedCentroid.Count == 0)
{
moments.Add(Imgproc.moments(toneMat, true));
WeightedCentroid.Add(new Point(0, 0));
}
WeightedCentroid.Add(new Point((int)Math.Round(moments[1].m10 / moments[1].m00), (int)Math.Round(moments[1].m01 / moments[1].m00)));
if (thresholdValue >= thresholdValueCap && edgeCenterPoint == true)
{
Imgproc.ellipse(toneMat, WeightedCentroid [1], new Size(20, 20), 1, 0.1, 360, new Scalar(180), 10);
Imgproc.putText(toneMat, " Edge center point", WeightedCentroid [1], 0, 1.5, new Scalar(180), 5);
}
}
//draw center
if (centerPoint)
{
Imgproc.ellipse(toneMat, WeightedCentroid [0], new Size(20, 20), 1, 0.1, 360, new Scalar(180), 10);
Imgproc.putText(toneMat, " Tone center point", WeightedCentroid [0], 0, 1.5, new Scalar(180), 5);
}
if (resize)
{
Imgproc.resize(toneMat, toneMat, new Size((int)Math.Round((1 / resizeRatio) * toneMat.width()), (int)Math.Round((1 / resizeRatio) * toneMat.height())));
}
//assign to display
if (showProcessing)
{
rgbaMat = toneMat;
}
else
{
rgbaMat = cloneMat;
}
WeightedCentroid.Clear();
moments.Clear();
contours.Clear();
framesDropCount = 0;
}
// Blurs edges of mask.
private void featherMask(Mat refined_masks)
{
Imgproc.erode(refined_masks, refined_masks, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, feather_amount), new Point(-1, -1), 1, Core.BORDER_CONSTANT, new Scalar(0));
Imgproc.blur(refined_masks, refined_masks, feather_amount, new Point(-1, -1), Core.BORDER_CONSTANT);
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame() && !imageOptimizationHelper.IsCurrentFrameSkipped())
{
Mat rgbaMat = webCamTextureToMatHelper.GetMat();
//get downScaleMat;
Mat downScaleRgbaMat = imageOptimizationHelper.GetDownScaleMat((rgbaMat));
//grayscale
Imgproc.cvtColor(downScaleRgbaMat, gray1Mat, Imgproc.COLOR_RGBA2GRAY);
//blur
Imgproc.blur(gray1Mat, gray2Mat, new Size(5, 5));
//edge filter
Imgproc.filter2D(gray2Mat, gray1Mat, gray1Mat.depth(), kernel);
//blur
Imgproc.blur(gray1Mat, gray2Mat, new Size(3, 3));
//detect edge
Imgproc.threshold(gray2Mat, gray2Mat, EDGE_DETECT_VALUE, 255, Imgproc.THRESH_BINARY);
//copy Mat to byteArray
Utils.copyFromMat <byte> (gray2Mat, byteArray);
//set edge pointList
List <Point> pointList = new List <Point> ();
int w = gray1Mat.width();
int h = gray1Mat.height();
for (int y = 0; y < h; y++)
{
for (int x = 0; x < w; x++)
{
if (byteArray [x + w * y] == 255)
{
pointList.Add(new Point(x, y));
}
}
}
int limit = Mathf.RoundToInt((float)(pointList.Count * POINT_RATE));
if (limit > POINT_MAX_NUM)
{
limit = POINT_MAX_NUM;
}
while (pointList.Count > limit)
{
pointList.RemoveAt(Random.Range(0, pointList.Count));
}
// Debug.Log ("pointList.Count " + pointList.Count);
//init subdiv
subdiv.initDelaunay(new OpenCVForUnity.CoreModule.Rect(0, 0, downScaleRgbaMat.width(), downScaleRgbaMat.height()));
for (int i = 0; i < pointList.Count; i++)
{
subdiv.insert(pointList [i]);
}
subdiv.insert(new Point(0, 0));
subdiv.insert(new Point(gray1Mat.width() / 2 - 1, 0));
subdiv.insert(new Point(gray1Mat.width() - 1, 0));
subdiv.insert(new Point(gray1Mat.width() - 1, gray1Mat.height() / 2 - 1));
subdiv.insert(new Point(gray1Mat.width() - 1, gray1Mat.height() - 1));
subdiv.insert(new Point(gray1Mat.width() / 2 - 1, gray1Mat.height() - 1));
subdiv.insert(new Point(0, gray1Mat.height() - 1));
subdiv.insert(new Point(0, gray1Mat.height() / 2 - 1));
using (MatOfFloat6 triangleList = new MatOfFloat6()) {
subdiv.getTriangleList(triangleList);
float[] pointArray = triangleList.toArray();
float downScaleRatio = imageOptimizationHelper.downscaleRatio;
if (downScaleRatio < 1)
{
downScaleRatio = 1;
}
byte[] color = new byte[4];
for (int i = 0; i < pointArray.Length / 6; i++)
{
Point p0 = new Point(pointArray [i * 6 + 0] * downScaleRatio, pointArray [i * 6 + 1] * downScaleRatio);
Point p1 = new Point(pointArray [i * 6 + 2] * downScaleRatio, pointArray [i * 6 + 3] * downScaleRatio);
Point p2 = new Point(pointArray [i * 6 + 4] * downScaleRatio, pointArray [i * 6 + 5] * downScaleRatio);
if (p0.x < 0 || p0.x > rgbaMat.width())
{
continue;
}
if (p0.y < 0 || p0.y > rgbaMat.height())
{
continue;
}
if (p1.x < 0 || p1.x > rgbaMat.width())
{
continue;
}
if (p1.y < 0 || p1.y > rgbaMat.height())
{
continue;
}
if (p2.x < 0 || p2.x > rgbaMat.width())
{
continue;
}
if (p2.y < 0 || p2.y > rgbaMat.height())
{
continue;
}
//get center of gravity
int cx = (int)((p0.x + p1.x + p2.x) * 0.33333);
int cy = (int)((p0.y + p1.y + p2.y) * 0.33333);
// Debug.Log ("cx " + cx + " cy " + cy );
//get center of gravity color
rgbaMat.get(cy, cx, color);
// Debug.Log ("r " + color[0] + " g " + color[1] + " b " + color[2] + " a " + color[3]);
//fill Polygon
Imgproc.fillConvexPoly(rgbaMat, new MatOfPoint(p0, p1, p2), new Scalar(color [0], color [1], color [2], color [3]), Imgproc.LINE_AA, 0);
// Imgproc.line (rgbaMat, p0, p1, new Scalar (64, 255, 128, 255));
// Imgproc.line (rgbaMat, p1, p2, new Scalar (64, 255, 128, 255));
// Imgproc.line (rgbaMat, p2, p0, new Scalar (64, 255, 128, 255));
}
}
// Imgproc.putText (rgbaMat, "W:" + rgbaMat.width () + " H:" + rgbaMat.height () + " DOWNSCALE W:" + downScaleRgbaMat.width () + " H:" + downScaleRgbaMat.height (), new Point (5, rgbaMat.rows () - 10), Imgproc.FONT_HERSHEY_SIMPLEX, 1.0, new Scalar (255, 255, 255, 255), 2, Imgproc.LINE_AA, false);
Utils.fastMatToTexture2D(rgbaMat, texture);
}
}
public void blurBackground(OpenCVForUnity.Rect[] _rects, Mat _mat)
{
Imgproc.blur(_mat, _mat, new Size(blurPixelSize, blurPixelSize));
if (colorBlur)
{
Core.add(_mat, new Scalar(redBlur, greenBlur, blueBlur), _mat);
}
//rect and blur background
for (int i = 0; i < _rects.Length; i++)
{
// Debug.Log ("detect faces " + rects [i]);
//copyMat.copyTo(rgbaMat.submat(rects [i].x, rects [i].y, rects [i].x + rects [i].width, rects [i].y + rects [i].height));
// Check mat range
if (-rectFactor + _rects [i].y - hightCorrection <= 0)
{
rowRangeTop = 0;
}
else
{
rowRangeTop = -rectFactor + _rects [i].y - hightCorrection;
}
if (rectFactor + _rects [i].y + _rects [i].height >= copyMat.height())
{
rowRangeButtom = copyMat.height();
}
else
{
rowRangeButtom = rectFactor + _rects [i].y + _rects [i].height;
}
if (-rectFactor + _rects [i].x <= 0)
{
colRangeleft = 0;
}
else
{
colRangeleft = -rectFactor + _rects [i].x;
}
if (rectFactor + _rects [i].x + _rects [i].width >= copyMat.width())
{
colRangeRight = copyMat.width();
}
else
{
colRangeRight = rectFactor + _rects [i].x + _rects [i].width;
}
if (stabilizeRectBtwFrames)
{
if (rowRangeTopLast != null)
{
rowRangeTopResult = (int)Math.Round((1 - stabilizeFactor) * rowRangeTop + stabilizeFactor * (int)rowRangeTopLast);
rowRangeButtomResult = (int)Math.Round((1 - stabilizeFactor) * rowRangeButtom + stabilizeFactor * (int)rowRangeButtomLast);
colRangeleftResult = (int)Math.Round((1 - stabilizeFactor) * colRangeleft + stabilizeFactor * (int)colRangeleftLast);
colRangeRightResult = (int)Math.Round((1 - stabilizeFactor) * colRangeRight + stabilizeFactor * (int)colRangeRightLast);
}
else
{
rowRangeTopResult = rowRangeTop;
rowRangeButtomResult = rowRangeButtom;
colRangeleftResult = colRangeleft;
colRangeRightResult = colRangeRight;
}
}
else
{
rowRangeTopResult = rowRangeTop;
rowRangeButtomResult = rowRangeButtom;
colRangeleftResult = colRangeleft;
colRangeRightResult = colRangeRight;
}
rowRangeTopLast = rowRangeTop;
rowRangeButtomLast = rowRangeButtom;
colRangeleftLast = colRangeleft;
colRangeRightLast = colRangeRight;
//save values for stabilaztion
copyMat.rowRange(rowRangeTopResult, rowRangeButtomResult)
.colRange(colRangeleftResult, colRangeRightResult)
.copyTo(_mat
.rowRange(rowRangeTopResult, rowRangeButtomResult)
.colRange(colRangeleftResult, colRangeRightResult));
//Imgcodecs.imwrite ("Assets/face.jpeg", copyMat);
if (showRect)
{
Imgproc.rectangle(_mat, new Point(colRangeleftResult, rowRangeTopResult), new Point(colRangeRightResult, rowRangeButtomResult), new Scalar(100, 100, 250, 35), 2);
}
}
}
public void processFrame()
{
//channel split
Core.split(rgbMat, channelsMats);
for (int i = 0; i <= channelsMats.Count - 2; i++)
{
if (inversion)
{
//flip
Core.bitwise_not(channelsMats[i], channelsMats[i]);
}
if (resize)
{
Imgproc.resize(channelsMats[i], channelsMats[i], new Size((int)Math.Round(resizeRatio * channelsMats[i].width()), (int)Math.Round(resizeRatio * channelsMats[i].height())));
}
//
if (toneThreshold)
{
Imgproc.threshold(channelsMats[i], channelsMats[i], idealThresholdValue, 255, Imgproc.THRESH_BINARY);
}
if (blur)
{
Imgproc.blur(channelsMats[i], channelsMats[i], new Size(blurSize, blurSize));
}
if (centerPoint)
{
moments.Add(Imgproc.moments(channelsMats[i], true));
WeightedCentroid.Add(new Point((int)Math.Round(moments[i].m10 / moments[i].m00), (int)Math.Round(moments[i].m01 / moments[i].m00)));
//Debug.Log("center: " + WeightedCentroid[0].x +", " + WeightedCentroid[0].y);
}
//draw center
if (centerPoint)
{
Imgproc.ellipse(channelsMats[i], WeightedCentroid [i], new Size(20, 20), 1, 0.1, 360, new Scalar(180), 10);
Imgproc.putText(channelsMats[i], " Tone center point", WeightedCentroid [i], 0, 1.5, new Scalar(180), 5);
}
if (resize)
{
Imgproc.resize(channelsMats[i], channelsMats[i], new Size((int)Math.Round((1 / resizeRatio) * channelsMats[i].width()), (int)Math.Round((1 / resizeRatio) * channelsMats[i].height())));
}
//assign to display
if (showProcessing)
{
//Core.add (rgbMat, channelsMats[i], rgbMat);
}
else
{
rgbMat = cloneMat;
}
}
if (edgeCenter)
{
Imgproc.Canny(toneMat, toneMat, idealThresholdValue * 0.5, idealThresholdValue);
//Imgproc.findContours (channel, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE );
//
// foreach(MatOfPoint i in contours){
// Debug.Log ("contour " + i + ": " + i.ToString());
// }
//Debug.Log ("contours count: " + contours.Count);
moments.Add(Imgproc.moments(toneMat, true));
//if (WeightedCentroidEdge.Count == 0) {
moments.Add(Imgproc.moments(toneMat, true));
// WeightedCentroidEdge.Add(new Point(0,0));
//}
WeightedCentroidEdge.Add(new Point((int)Math.Round(moments[moments.Count - 1].m10 / moments[moments.Count - 1].m00), (int)Math.Round(moments[moments.Count - 1].m01 / moments[moments.Count - 1].m00)));
Imgproc.ellipse(rgbMat, WeightedCentroidEdge [0], new Size(4, 4), 1, 1.5, 360, new Scalar(0, 0, 0, 100), 10);
Imgproc.putText(rgbMat, " edge center point", WeightedCentroidEdge [0], 0, 1.3, new Scalar(0, 0, 0, 100), 2);
}
//display rgb centers
if (showRgbCenters)
{
for (int i = 0; i <= channelsMats.Count - 2; i++)
{
switch (i)
{
case 0:
colorName = " red";
colorScalar = new Scalar(255, 0, 0, 100);
break;
case 1:
colorName = " green";
colorScalar = new Scalar(0, 255, 0, 100);
break;
case 2:
colorName = " blue";
colorScalar = new Scalar(0, 0, 255, 100);
break;
default:
colorName = "color";
break;
}
Imgproc.ellipse(rgbMat, WeightedCentroid [i], new Size(4, 4), 1, 1.5, 360, colorScalar, 10);
Imgproc.putText(rgbMat, colorName + " center " + WeightedCentroid [i], WeightedCentroid [i], 0, 1.3, colorScalar, 2);
// Debug.Log ("center " + i + "is: " + WeightedCentroid[i]);
}
}
if (mergeRgbCenters)
{
bool edgeInRect = false;
bool rgbInRect = false;
Point rgbAverage = new Point {
x = (int)Math.Round(WeightedCentroid.Average(p => p.x)),
y = (int)Math.Round(WeightedCentroid.Average(p => p.y))
};
//Debug.Log ("average POINT: " + rgbAverage);
Imgproc.ellipse(rgbMat, rgbAverage, new Size(4, 4), 1, 1.5, 360, new Scalar(120, 120, 120, 255), 10);
Imgproc.putText(rgbMat, " merged center " + rgbAverage, rgbAverage, 0, 1.3, new Scalar(120, 120, 120, 255), 2);
if (calculateLocation)
{
if (showLocationRect)
{
Imgproc.rectangle(rgbMat, new Point(webCamTexture.width * LocationSizeFactor, webCamTexture.height * LocationSizeFactor),
new Point(webCamTexture.width * (1 - LocationSizeFactor), webCamTexture.height * (1 - LocationSizeFactor)), new Scalar(255, 50, 50, 155), 2, 8, 0);
}
//case edge center in center rect
if (WeightedCentroidEdge [0].x <= webCamTexture.width * LocationSizeFactor && WeightedCentroidEdge [0].x >= webCamTexture.width * (1 - LocationSizeFactor) &&
WeightedCentroidEdge [0].y <= webCamTexture.height * LocationSizeFactor && WeightedCentroidEdge [0].y >= webCamTexture.height * (1 - LocationSizeFactor))
{
edgeInRect = true;
}
//case RGB center in center rect
if (rgbAverage.x <= webCamTexture.width * LocationSizeFactor && rgbAverage.x >= webCamTexture.width * (1 - LocationSizeFactor) &&
rgbAverage.y <= webCamTexture.height * LocationSizeFactor && rgbAverage.y >= webCamTexture.height * (1 - LocationSizeFactor))
{
rgbInRect = true;
}
//case RGB center & edge is out
if (rgbInRect && !edgeInRect)
{
edgeFactor -= locationWeightFactor;
if (edgeFactor <= 0)
{
edgeFactor = 0;
}
}
//case edge center & RGB is out
if (!rgbInRect && edgeInRect)
{
edgeFactor += locationWeightFactor;
if (edgeFactor >= 1)
{
edgeFactor = 1;
}
}
//average with location factors
Point edgeAverage = new Point((((1 - edgeFactor) * rgbAverage.x) + ((edgeFactor) * WeightedCentroidEdge[0].x)),
(((1 - edgeFactor) * rgbAverage.y) + ((edgeFactor) * WeightedCentroidEdge[0].y)));
if (popToCenter)
{
//show pop rect
if (showPopToCenterRect)
{
Imgproc.rectangle(rgbMat, new Point(webCamTexture.width * popToCenterRectFactor, webCamTexture.height * popToCenterRectFactor),
new Point(webCamTexture.width * (1 - popToCenterRectFactor), webCamTexture.height * (1 - popToCenterRectFactor)), new Scalar(50, 50, 180, 100), 2, 8, 0);
}
//case point inside rect
if (edgeAverage.x <= webCamTexture.width * popToCenterRectFactor && edgeAverage.x >= webCamTexture.width * (1 - popToCenterRectFactor) &&
edgeAverage.y <= webCamTexture.height * popToCenterRectFactor && edgeAverage.y >= webCamTexture.height * (1 - popToCenterRectFactor))
{
edgeAverage.x = (int)Math.Round(webCamTexture.width * 0.5);
edgeAverage.y = (int)Math.Round(webCamTexture.height * 0.5);
}
}
Imgproc.ellipse(rgbMat, edgeAverage, new Size(6, 6), 1, 1.5, 360, new Scalar(244, 66, 226, 255), 13);
Imgproc.putText(rgbMat, " merged center " + edgeAverage, edgeAverage, 0, 1.3, new Scalar(244, 66, 226, 255), 2);
}
//average with no location
if (mergeEdge && WeightedCentroidEdge.Count >= 0 && !calculateLocation)
{
Point edgeAverage = new Point((((1 - edgeFactor) * rgbAverage.x) + ((edgeFactor) * WeightedCentroidEdge [0].x)),
(((1 - edgeFactor) * rgbAverage.y) + ((edgeFactor) * WeightedCentroidEdge [0].y)));
//average with edge factor
Imgproc.ellipse(rgbMat, edgeAverage, new Size(6, 6), 1, 1.5, 360, new Scalar(244, 66, 226, 255), 13);
Imgproc.putText(rgbMat, " merged center " + edgeAverage, edgeAverage, 0, 1.3, new Scalar(244, 66, 226, 255), 2);
}
//#############DISPOSAL
//case RGB center & edge is out bring back value
if (rgbInRect && !edgeInRect)
{
edgeFactor += locationWeightFactor;
if (edgeFactor <= 0)
{
edgeFactor = 0;
}
}
//case edge center & RGB is out bring back value
if (!rgbInRect && edgeInRect)
{
edgeFactor -= locationWeightFactor;
if (edgeFactor >= 1)
{
edgeFactor = 1;
}
}
}
WeightedCentroid.Clear();
WeightedCentroidEdge.Clear();
moments.Clear();
contours.Clear();
framesDropCount = 0;
channelsMats.Clear();
}
// =====================
// depth資料影像處理 ===
// =====================
private void updateDepthTexture()
{
if (_blockDepthBackGroundImage == null)
{
_blockDepthBackGroundImage = new Mat();
_blockDepthBackGroundImage.setTo(new Scalar(0, 0, 0));
}
if (_blockDepthImage == null)
{
_blockDepthImage = new Mat();
}
// 獲得depth資料與座標
getDepthData(_minX, _minY, _maxX, _maxY);
//更新深度距離範圍
if (mouseclick == 2 && _ScreenSettingCompletionFlag == false)
{
InitDepthDistance();
}
// 畫出選取區的depth畫面
_thread = new Thread(drawDepthSourceMat);
_thread.Start();
_thread.Join();
_thread.Abort();
//做一個新的depthMat存放切割後的depthMat
Mat subDepthMat = new Mat();
if (_SyncFlag)
{
subDepthMat = _sourceMatDepth.submat(_revertMinY, _revertMaxY, _minX, _maxX);
}
else
{
subDepthMat = _blockImageBuffer.submat(_revertMinY, _revertMaxY, _minX, _maxX);
}
//旋轉畫面(Mat畫出來相反)
ReversedImage(subDepthMat).copyTo(subDepthMat);
// 膨脹收縮 處理depth影像
Mat depthMatchImagePorcess = new Mat();
subDepthMat.copyTo(depthMatchImagePorcess);
Mat erodeElement = Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(7, 7));
Mat dilateElement = Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(5, 5));
Imgproc.dilate(depthMatchImagePorcess, depthMatchImagePorcess, dilateElement);
Imgproc.erode(depthMatchImagePorcess, depthMatchImagePorcess, erodeElement);
//Imgproc.erode(depthMatchImagePorcess, depthMatchImagePorcess, erodeElement);
//設定背景深度 快捷鍵L
setDepthSourceBackGroundMat(depthMatchImagePorcess);
if (mouseclick == 2 && _ScreenSettingCompletionFlag == false)
{
InitDepthBackground(depthMatchImagePorcess);
}
//減去背景深度
Core.absdiff(depthMatchImagePorcess, _blockDepthBackGroundImage, depthMatchImagePorcess);
//二值化
Imgproc.threshold(depthMatchImagePorcess, depthMatchImagePorcess, 50, 255, Imgproc.THRESH_BINARY);
//平滑處理(之後嘗試看看)
SmoothesImage(depthMatchImagePorcess).copyTo(depthMatchImagePorcess);
//處理鋸齒
Imgproc.blur(depthMatchImagePorcess, depthMatchImagePorcess, new OpenCVForUnity.Size(8, 8));
Imgproc.threshold(depthMatchImagePorcess, depthMatchImagePorcess, 50, 255, Imgproc.THRESH_BINARY);
//傳出深度
depthMatchImagePorcess.copyTo(_blockDepthImage);
//圖形壓縮輸出(深度)
Mat outDepthMat = new Mat(180, 320, CvType.CV_8UC1);
Imgproc.resize(_blockDepthImage, outDepthMat, outDepthMat.size());
//旋轉呈現化面
ReversedImage(outDepthMat).copyTo(outDepthMat);
//擷取輸出(顯示深度的切割結果)
Utils.matToTexture2D(outDepthMat, _blockDepthTexture);
_blockDepthImg.texture = _blockDepthTexture;
//輸出到遊戲背景
if (_blockDepthBg != null)
{
Mat dilateElementNEW = Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(10, 10));
Imgproc.dilate(outDepthMat, outDepthMat, dilateElementNEW);
Imgproc.dilate(outDepthMat, outDepthMat, dilateElementNEW);
Imgproc.blur(outDepthMat, outDepthMat, new Size(10, 10));
//Core.bitwise_not(outDepthMat, outDepthMat);
Utils.matToTexture2D(outDepthMat, _blockDepthTextureBg);
_blockDepthBg.texture = _blockDepthTextureBg;
}
subDepthMat.release();
depthMatchImagePorcess.release();
outDepthMat.release();
}
