// 候補輪郭の円形度を計算する
public void calcCircularity()
{
// 円形度 = 4π * S/L^2 (S = 面積, L = 図形の周囲長)
double perimeter = Imgproc.arcLength(this.contour2f, true);
this._circularity = 4.0 * Mathf.PI * this.area / (perimeter * perimeter); // perimeter = 0 のとき気をつける
}
public static bool isHeart(List <Point> shape)
{
//Check number of vertices
if (shape.Count < 20)
{
return(false);
}
MatOfPoint shape_area = new MatOfPoint();
shape_area.fromList(shape);
MatOfPoint2f shape_area2f = new MatOfPoint2f(shape_area.toArray());
// if (Imgproc.contourArea(shape_area) > 6000)
// return false;
double area = Imgproc.contourArea(shape_area);
double perim = Imgproc.arcLength(shape_area2f, true);
double ratio = area / perim;
if (ratio < 18 || ratio > 23)
{
return(false);
}
for (int i = 1; i < shape.Count; i++)
{
if (distanceTwoPoints(shape[i - 1], shape[i]) > 20)
{
return(true);
}
}
return(false);
}
private void GetCubies(List <MatOfPoint> contours, Mat imgMat, int index, List <Cubies> cubies)
{
MatOfPoint2f matOfPoint2f = new MatOfPoint2f();
MatOfPoint2f approxCurve = new MatOfPoint2f();
MatOfPoint approx = new MatOfPoint();
foreach (var contour in contours)
{
matOfPoint2f.fromList(contour.toList());
Imgproc.approxPolyDP(matOfPoint2f, approxCurve, 0.1 * Imgproc.arcLength(matOfPoint2f, true), true);
try
{
approxCurve.convertTo(approx, CvType.CV_32S);
OpenCVForUnity.Rect rect = Imgproc.boundingRect(approx);
if (approx.total() == 4)
{
cubies.Add(new Cubies(rect.x, rect.y, colorsList[index]));
Imgproc.rectangle(imgMat, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), new Scalar(255, 40, 150), 2);
}
}
catch (ArgumentOutOfRangeException e) { }
}
print("Number of cubies: " + cubies.Count);
}
public bool GetPosition(Mat frame, bool isKeyboardFound)
{
Mat frameProc = new Mat(); //frame.rows(), frame.cols(), CvType.CV_16UC3
Mat frameMask = new Mat();
Mat hierarchy = new Mat();
Imgproc.cvtColor(frame, frameProc, Imgproc.COLOR_BGR2HSV);
Scalar lowerB = new Scalar(HueLower, SatLower, ValLower);
Scalar upperB = new Scalar(HueUpper, SatUpper, ValUpper);
Core.inRange(frameProc, lowerB, upperB, frameMask);
Core.bitwise_and(frame, frame, frameProc, frameMask);
//Imgproc.bilateralFilter(frameProc, frameProc, 9, 50, 100);
Imgproc.morphologyEx(frameProc, frameProc, 2, Mat.ones(5, 5, CvType.CV_8U)); //
Imgproc.dilate(frameProc, frameProc, Mat.ones(5, 5, CvType.CV_8U)); //Mat.ones(5, 5, CvType.CV_8U), anchor: new Point(-1, -1), iteration:2
Imgproc.cvtColor(frameProc, frameProc, Imgproc.COLOR_BGR2GRAY);
List <MatOfPoint> contoursList = new List <MatOfPoint>();
Imgproc.findContours(frameProc, contoursList, hierarchy, Imgproc.RETR_TREE, Imgproc.CHAIN_APPROX_SIMPLE);
int count = 0;
foreach (MatOfPoint contour in contoursList)
{
MatOfPoint2f approx = new MatOfPoint2f();
MatOfPoint2f contourf = new MatOfPoint2f(contour.toArray());
Imgproc.approxPolyDP(contourf, approx, 0.01 * Imgproc.arcLength(contourf, true), true);
//print(approx.dump());
if (approx.rows() == 4 && Imgproc.contourArea(contour) >= min_area)
{
count++;
if (count >= 2)
{
continue;
}
else
{
OpenCVForUnity.CoreModule.Rect track_win = Imgproc.boundingRect(approx);
TrackWindow = new int[] { track_win.x, track_win.y, track_win.width, track_win.height };
if (frame.height() - 5 < TrackWindow[0] + TrackWindow[2] &&
TrackWindow[0] + TrackWindow[2] <= frame.height() ||
0 <= TrackWindow[0] && TrackWindow[0] < 5 ||
frame.width() - 5 < TrackWindow[1] + TrackWindow[3] &&
TrackWindow[1] + TrackWindow[3] <= frame.width() ||
0 <= TrackWindow[1] && TrackWindow[1] < 5)
{
continue;
}
else
{
Approx = approx;
Contour = contour;
return(isKeyboardFound = true);
}
}
}
}
return(isKeyboardFound = false);
}
public bool verificaImagemContorno(Texture2D textParam)
{
var bytes = textParam.EncodeToJPG();
File.WriteAllBytes("imagem1_tratamento.png", bytes);
Texture2D camFoto = textParam;
// Escala de cinza. CV_8UC1
Mat img1Mat = new Mat(camFoto.height, camFoto.width, CvType.CV_8UC1);
Utils.texture2DToMat(camFoto, img1Mat);
Imgproc.GaussianBlur(img1Mat, img1Mat, new Size(5, 5), 0);
Texture2D tex3 = new Texture2D(img1Mat.cols(), img1Mat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(img1Mat, tex3);
bytes = tex3.EncodeToJPG();
File.WriteAllBytes("imagem1_tratamento_gaussian.png", bytes);
Imgproc.threshold(img1Mat, img1Mat, 120, 255, Imgproc.THRESH_BINARY);
tex3 = new Texture2D(img1Mat.cols(), img1Mat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(img1Mat, tex3);
bytes = tex3.EncodeToJPG();
File.WriteAllBytes("imagem1_tratamento_threshold.png", bytes);
List <MatOfPoint> srcContours = new List <MatOfPoint>();
Mat srcHierarchy = new Mat();
Imgproc.findContours(img1Mat, srcContours, srcHierarchy, Imgproc.RETR_TREE, Imgproc.CHAIN_APPROX_SIMPLE);
int totalB = 0, totalQ = 0, totalR = 0, totalP;
for (int i = 0; i < srcContours.Count; i++)
{
Imgproc.drawContours(img1Mat, srcContours, i, new Scalar(100, 100, 100), 2, 8, srcHierarchy, 0, new Point());
}
tex3 = new Texture2D(img1Mat.cols(), img1Mat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(img1Mat, tex3);
bytes = tex3.EncodeToJPG();
File.WriteAllBytes("imagem1_tratamento_findcountors.png", bytes);
for (int i = 0; i < srcContours.Count; i++)
{
MatOfPoint2f mont = new MatOfPoint2f(srcContours[i].toArray());
var aprox = new MatOfPoint2f();
Imgproc.approxPolyDP(mont, aprox, 0.01 * Imgproc.arcLength(mont, true), true);
Debug.Log(aprox.size());
//if (aprox.size().area == 3)
//{
// Debug.Log("Triangulo");
//}
}
return(false);
}
public void GenerateSVG(string path)
{
StringWriter svgWriter = new StringWriter();
Vector2 size = new Vector2(instance.imageProcessingResults[0].cols(), instance.imageProcessingResults[0].rows());
svgWriter.WriteLine("<svg width=\"" + size.x + "\" height=\"" + size.y + "\" xmlns=\"http://www.w3.org/2000/svg\">");
List <MatOfPoint> contours = new List <MatOfPoint>();
MatOfPoint2f approx = new MatOfPoint2f();
Mat srcHierarchy = new Mat();
int colorIndex = 0;
foreach (var layer in instance.imageProcessingResults)
{
var background = yarnEntities.First(y => y.yarnPanel.isBackground && y.yarnPanel.yarnZone == YarnPanel.YarnZone.Weft);
if (colorIndex != background.clusterId)
{
Imgproc.findContours(layer, contours, srcHierarchy, Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
svgWriter.WriteLine("<g>");
for (int i = 0; i < contours.Count; i++)
{
MatOfPoint2f cnt = new MatOfPoint2f(contours[i].toArray());
double epsilon = 0.01 * Imgproc.arcLength(cnt, true);
//Imgproc.approxPolyDP(cnt, approx, epsilon, true);
approx = cnt;
List <Point> contourList = approx.toList();
svgWriter.Write("<path fill=\"none\" stroke=\"#" + ColorUtility.ToHtmlStringRGB(instance.clusterList[colorIndex]) + "\" d=\"M");
for (int j = 0; j < contourList.Count; j++)
{
svgWriter.Write("" + contourList[j].x + " " + (size.y - contourList[j].y) + " L");
}
svgWriter.GetStringBuilder().Length -= 1; //Eliminamos la última 'L'
svgWriter.WriteLine("Z\" />");
}
svgWriter.WriteLine("</g>");
}
colorIndex++;
}
svgWriter.WriteLine("</svg>");
File.WriteAllText(path, svgWriter.ToString());
}
public string Detect(MatOfPoint2f c)
{
var shape = "Não identificado";
var peri = Imgproc.arcLength(c, true);
var epsilon = 0.04 * peri;
var aprox = new MatOfPoint2f();
Imgproc.approxPolyDP(c, aprox, epsilon, true);
if (aprox.rows() == 3)
{
UnityEngine.Debug.Log("Triângulo");
//webCamTextureToMatHelper.Dispose();
}
//else if (aprox.rows() == 4)
//{
// shape = "";
// var rect = Imgproc.boundingRect(aprox);
// var ar = rect.width / rect.height;
// if (ar >= 0.95 && ar <= 1.05)
// {
// UnityEngine.Debug.Log("Quadrado");
// }
// else
// {
// UnityEngine.Debug.Log("Retângulo");
// }
//}
//else if (aprox.rows() == 5)
//{
// UnityEngine.Debug.Log("Pentágono");
//}
//else if (aprox.rows() == 0)
//{
// UnityEngine.Debug.Log("Círculo");
//}
return(shape);
}
private void Find4PointContours(Mat image, List <MatOfPoint> contours)
{
contours.Clear();
List <MatOfPoint> tmp_contours = new List <MatOfPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(image, tmp_contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
foreach (var cnt in tmp_contours)
{
MatOfInt hull = new MatOfInt();
Imgproc.convexHull(cnt, hull, false);
Point[] cnt_arr = cnt.toArray();
int[] hull_arr = hull.toArray();
Point[] pts = new Point[hull_arr.Length];
for (int i = 0; i < hull_arr.Length; i++)
{
pts[i] = cnt_arr[hull_arr[i]];
}
MatOfPoint2f ptsFC2 = new MatOfPoint2f(pts);
MatOfPoint2f approxFC2 = new MatOfPoint2f();
MatOfPoint approxSC2 = new MatOfPoint();
double arclen = Imgproc.arcLength(ptsFC2, true);
Imgproc.approxPolyDP(ptsFC2, approxFC2, 0.01 * arclen, true);
approxFC2.convertTo(approxSC2, CvType.CV_32S);
if (approxSC2.size().area() != 4)
{
continue;
}
contours.Add(approxSC2);
}
}
public void getAnswerNumber(Mat align)
{
Mat align_gray = new Mat(), align_edges = new Mat();
Imgproc.cvtColor(align, align_gray, Imgproc.COLOR_RGB2GRAY);
Imgproc.Canny(align_gray, align_edges, 50, 50);
Mat element = Imgproc.getStructuringElement(Imgproc.MORPH_ELLIPSE, new Size(2 + 1, 2 + 1), new Point(1, 1));
Imgproc.dilate(align_edges, align_edges, element);
//Shape detection
List <MatOfPoint> contours = new List <MatOfPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(align_edges, contours, hierarchy, Imgproc.RETR_TREE, Imgproc.CHAIN_APPROX_SIMPLE, new Point(0, 0));
List <MatOfPoint> hulls = new List <MatOfPoint>();
//Texture2D tex = new Texture2D(align_edges.width(), align_edges.height(), TextureFormat.RGB24, false);
//Utils.matToTexture2D(align_edges, tex);
//byte[] bytes1 = tex.EncodeToJPG();
//File.WriteAllBytes("D:/2019/OMR/" + "test.png", bytes1);
for (int i = 0; i < contours.Count; i++)
{
MatOfInt hull_temp = new MatOfInt();
Imgproc.convexHull(contours[i], hull_temp);
int[] arrIndex = hull_temp.toArray();
Point[] arrContour = contours[i].toArray();
Point[] arrPoints = new Point[arrIndex.Length];
for (int k = 0; k < arrIndex.Length; k++)
{
arrPoints[k] = arrContour[arrIndex[k]];
}
MatOfPoint temp = new MatOfPoint();
temp.fromArray(arrPoints);
//Filter outliers
if (Imgproc.contourArea(temp) > 90000 && Imgproc.contourArea(temp) < 110000)
{
hulls.Add(temp);
}
}
List <MatOfPoint2f> hull2f = new List <MatOfPoint2f>();
for (int i = 0; i < hulls.Count; i++)
{
MatOfPoint2f newPoint = new MatOfPoint2f(hulls[i].toArray());
hull2f.Add(newPoint);
}
List <Rect> rects = new List <Rect>();
for (int i = 0; i < hulls.Count; i++)
{
//Approximate polygon
MatOfPoint2f approx = new MatOfPoint2f();
Imgproc.approxPolyDP(hull2f[i], approx, 0.01 * Imgproc.arcLength(hull2f[i], true), true);
List <Point> approx_polygon = approx.toList();
approx_polygon = Scannerproc.filterPolygon(approx_polygon);
double area = Imgproc.contourArea(approx);
if (Scannerproc.isSquare(approx_polygon))
{
Rect r = Imgproc.boundingRect(new MatOfPoint(approx_polygon.ToArray()));
bool isContain = false;
for (int k = 0; k < rects.Count; k++)
{
if (Scannerproc.distanceTwoPoints(rects[k].tl(), r.tl()) < 100)
{
//if (rects[k].contains(r) || r.contains(rects[k]))
isContain = true;
}
}
if (!isContain)
{
rects.Add(r);
// Imgproc.rectangle(align, r.tl(), r.br(), new Scalar(255, 0, 0, 255), 3);
for (int j = 1; j < 21; j++)
{
Rect roi = new Rect((int)r.tl().x + (int)((r.width * 1.3) / 6), (int)r.tl().y + (r.height / 21) * j, (int)((r.width * 4.7) / 6), r.height / 21);
int num = getAnswerNumber(align, roi);
if (num != 0)
{
Imgproc.putText(align, " " + num, new Point(roi.x - 40, roi.y + 25), 1, 2, new Scalar(255, 0, 0, 255), 3, Core.LINE_AA, false);
Imgproc.rectangle(align, roi.tl(), roi.br(), new Scalar(0, 255, 0, 255), 2);
}
}
}
}
//Center of mass
int cx = 0,
cy = 0;
for (int k = 0; k < approx_polygon.Count; k++)
{
cx += (int)approx_polygon[k].x;
cy += (int)approx_polygon[k].y;
}
cx /= approx_polygon.Count;
cy /= approx_polygon.Count;
// Imgproc.circle(roi, new Point(cx, cy), 5, new Scalar(255), -1);
}
if (rects.Count == 4)
{
nowDetected = false;
}
}
// Update is called once per frame
void Update()
{
Resources.UnloadUnusedAssets(); //Fixes the memory leak
//Get new picture from camera
imgTexture = new Texture2D(webcamTexture.width, webcamTexture.height);
imgTexture.SetPixels(webcamTexture.GetPixels());
imgTexture.Apply();
Mat imgMat = new Mat(imgTexture.height, imgTexture.width, CvType.CV_8UC3);
Utils.texture2DToMat(imgTexture, imgMat);
Mat processedMat = new Mat();
Imgproc.dilate(imgMat, imgMat, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(1, 1)));
//Grayscale the picture
Imgproc.cvtColor(imgMat, processedMat, Imgproc.COLOR_RGB2GRAY);
//Blur the picture
Imgproc.GaussianBlur(processedMat, processedMat, new Size(3, 3), 1);
Imgproc.equalizeHist(processedMat, processedMat);
//Find Edges
Mat edgesOfPicture = new Mat();
Imgproc.Canny(processedMat, edgesOfPicture, 75, 225);
List <MatOfPoint> contours = new List <MatOfPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(edgesOfPicture, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
MatOfPoint2f matOfPoint2f = new MatOfPoint2f();
MatOfPoint2f approxCurve = new MatOfPoint2f();
List <Rect> rects = new List <Rect>();
try
{
for (int idx = 0; idx >= 0; idx = (int)hierarchy.get(0, idx)[0])
{
MatOfPoint contour = contours[idx];
Rect rect = Imgproc.boundingRect(contour);
double contourArea = Imgproc.contourArea(contour);
matOfPoint2f.fromList(contour.toList());
Imgproc.approxPolyDP(matOfPoint2f, approxCurve, Imgproc.arcLength(matOfPoint2f, true) * 0.02, true);
long total = approxCurve.total();
if (total == 4)
{
ArrayList cos = new ArrayList();
Point[] points = approxCurve.toArray();
for (int j = 2; j < total + 1; j++)
{
cos.Add(angle(points[(int)(j % total)], points[j - 2], points[j - 1]));
}
cos.Sort();
Double minCos = (Double)cos[0];
Double maxCos = (Double)cos[cos.Count - 1];
bool isRect = total == 4 && minCos >= -0.1 && maxCos <= 0.3;
if (isRect)
{
if (rect.width > 20)
{
rects.Add(rect);
}
List <double[]> Colors = new List <double[]>();
for (int op = 0; op < 10; op++)
{
if (rects.Count == 9)
{
allCubiesScaned = true;
Color[] blockOfColour = imgTexture.GetPixels(rect.x + rect.width / 2, rect.y + rect.height, rect.width / 3, rect.height / 3, 0);
float r = 0, g = 0, b = 0;
foreach (Color pixelBlock in blockOfColour)
{
r += pixelBlock.r;
g += pixelBlock.g;
b += pixelBlock.b;
}
r = r / blockOfColour.Length;
g = g / blockOfColour.Length;
b = b / blockOfColour.Length;
Rgb rgb = new Rgb(r, g, b);
Colors.Add(new double[] { rgb.R * 255, rgb.G * 255, rgb.B * 255 });
print(Colors.Count);
if (Colors.Count == 9)
{
ColorMap.Colors = Colors;
ColorMap.Redraw();
}
}
}
Imgproc.drawContours(imgMat, contours, idx, new Scalar(255, 100, 155), 4);
}
}
}
}
catch (ArgumentOutOfRangeException e)
{
}
Texture2D texture = new Texture2D(imgMat.cols(), imgMat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(imgMat, texture);
gameObject.GetComponent <Renderer>().material.mainTexture = texture;
}
void FormatImageSquare()
{
Mat mainMat = new Mat(baseTexture.height, baseTexture.width, CvType.CV_8UC3);
Mat grayMat = new Mat();
//Convert Texture2d to Matrix
Utils.texture2DToMat(baseTexture, mainMat);
//copy main matrix to grayMat
mainMat.copyTo(grayMat);
//Convert color to gray
Imgproc.cvtColor(grayMat, grayMat, Imgproc.COLOR_BGR2GRAY);
//Blur
Imgproc.GaussianBlur(grayMat, grayMat, new Size(25, 25), 0);
//contrast
Imgproc.threshold(grayMat, grayMat, 0, 255, Imgproc.THRESH_OTSU);
//extract edge
Imgproc.Canny(grayMat, grayMat, 50, 50);
//prepare for the finding contours
List <MatOfPoint> contours = new List <MatOfPoint>();
//find the contour from canny edge image
Imgproc.findContours(grayMat, contours, new Mat(), Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
List <MatOfPoint> tempTargets = new List <MatOfPoint>();
for (int i = 0; i < contours.Count; i++)
{
MatOfPoint cp = contours[i];
MatOfPoint2f cn = new MatOfPoint2f(cp.toArray());
double p = Imgproc.arcLength(cn, true);
MatOfPoint2f approx = new MatOfPoint2f();
//convret to polygon
Imgproc.approxPolyDP(cn, approx, 0.03 * p, true);
//find a contour with four points and large area
int minContourArea = 10000;
if (approx.toArray().Length == 4 && Imgproc.contourArea(approx) > minContourArea)
{
MatOfPoint approxPt = new MatOfPoint();
approx.convertTo(approxPt, CvType.CV_32S);
float maxCosine = 0;
for (int j = 2; j < 5; j++)
{
Vector2 v1 = new Vector2((float)(approx.toArray()[j % 4].x - approx.toArray()[j - 1].x), (float)(approx.toArray()[j % 4].y - approx.toArray()[j - 1].y));
Vector2 v2 = new Vector2((float)(approx.toArray()[j - 2].x - approx.toArray()[j - 1].x), (float)(approx.toArray()[j - 2].y - approx.toArray()[j - 1].y));
float angle = Mathf.Abs(Vector2.Angle(v1, v2));
maxCosine = Mathf.Max(maxCosine, angle);
}
if (maxCosine < 135f)
{
tempTargets.Add(approxPt);
}
}
}
if (tempTargets.Count > 0)
{
//Get the first contour
MatOfPoint approxPt = tempTargets[0];
//Making Source Mat
Mat srcPointMat = Converters.vector_Point_to_Mat(approxPt.toList(), CvType.CV_32F);
//Making Destination Mat
/*change these values*/
List <Point> dstPoints = new List <Point>();
dstPoints.Add(new Point(512, 0));
dstPoints.Add(new Point(0, 0));
dstPoints.Add(new Point(0, 512));
dstPoints.Add(new Point(512, 512));
Mat dstPointMat = Converters.vector_Point_to_Mat(dstPoints, CvType.CV_32F);
//Make Perp transform
Mat M = Imgproc.getPerspectiveTransform(srcPointMat, dstPointMat);
Mat warpedMat = new Mat(mainMat.size(), mainMat.type());
//Crop and warp the image
Imgproc.warpPerspective(mainMat, warpedMat, M, new Size(512, 512), Imgproc.INTER_LINEAR);
warpedMat.convertTo(warpedMat, CvType.CV_8UC3);
//Convert color to gray
Imgproc.cvtColor(warpedMat, warpedMat, Imgproc.COLOR_BGR2GRAY);
////Blur
//Imgproc.GaussianBlur(warpedMat, warpedMat, new Size(25, 25), 0);
//contrast
Imgproc.threshold(warpedMat, warpedMat, 0, 255, Imgproc.THRESH_OTSU);
//resize
Imgproc.resize(warpedMat, warpedMat, new Size(28, 28));
//Create an empty final texture
finalTexture = new Texture2D(warpedMat.width(), warpedMat.height(), TextureFormat.RGB24, false);
//Convert material to texture2d
Utils.matToTexture2D(warpedMat, finalTexture);
targetRawImage.texture = finalTexture;
}
}
void Start()
{
Mat mainMat = new Mat(baseTexture.height, baseTexture.width, CvType.CV_8UC3);
Mat grayMat = new Mat();
sourceRawImage.texture = baseTexture;
Utils.texture2DToMat(baseTexture, mainMat);
mainMat.copyTo(grayMat);
Imgproc.cvtColor(grayMat, grayMat, Imgproc.COLOR_BGR2GRAY);
Imgproc.GaussianBlur(grayMat, grayMat, new Size(5, 5), 0);
Imgproc.threshold(grayMat, grayMat, 110, 225, Imgproc.THRESH_BINARY);
Imgproc.Canny(grayMat, grayMat, 20, 190);
List <MatOfPoint> contours = new List <MatOfPoint>();
Imgproc.findContours(grayMat, contours, new Mat(), Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
int num = 0;
List <MatOfPoint> contours_list = new List <MatOfPoint>();
// new logic
// List<MatOfPoint> contours_list = new List<MatOfPoint>();
for (int i = 0; i < contours.Count; i++)
{
MatOfPoint cp = contours[i];
MatOfPoint2f cn = new MatOfPoint2f(cp.toArray());
double p = Imgproc.arcLength(cn, true);
MatOfPoint2f approx = new MatOfPoint2f();
Imgproc.approxPolyDP(cn, approx, 0.01 * p, true);
double area = Imgproc.contourArea(contours[i]);
if ((area > 30 && area < 100) && approx.toArray().Length > 8)
{
// Imgproc.drawContours(mainMat, contours, -1, new Scalar(0, 255, 0), 4);
contours_list.Add(contours[i]);
num = num + 1;
Debug.Log(area);
}
}
// previously working
// for(int i =0; i< contours.Count ; i++){
// MatOfPoint cp = contours[i];
// MatOfPoint2f cn = new MatOfPoint2f(cp.toArray());
// double p = Imgproc.arcLength(cn,true);
// // fron akshay file
// double area = Imgproc.contourArea(contours[i]);
// if(area > 50){
// Imgproc.drawContours(mainMat, contours, -1, new Scalar(0, 255, 0), 4);
// num = num + 1;
// Debug.Log(area);
// }
// }
// for(int i =0; i< contours.Count ; i++){
// double area = Imgproc.contourArea(contours[i]);
// if(area > 50){
// // Imgproc.drawContours(mainMat, contours, -1, new Scalar(0, 255, 0), 4);
// contours_list.Add(contours[i]);
// num = num + 1;
// }
// }
for (int i = 0; i < contours_list.Count; i++)
{
Imgproc.drawContours(mainMat, contours_list, -1, new Scalar(0, 255, 0), 4);
}
Debug.Log("Number : " + num);
info.text += (num - 1).ToString();
Texture2D finaltexture = new Texture2D(grayMat.cols(), grayMat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(grayMat, finaltexture);
sourceRawImage.texture = finaltexture;
}
private Mat findPaper(Mat mainMat)
{
Imgproc.cvtColor(grayMat, grayMat, Imgproc.COLOR_BGR2GRAY);
// blur image
Imgproc.GaussianBlur(grayMat, grayMat, new Size(5, 5), 0);
grayMat.get(0, 0, grayPixels);
for (int i = 0; i < grayPixels.Length; i++)
{
maskPixels[i] = 0;
if (grayPixels[i] < 70)
{
grayPixels[i] = 0;
//maskPixels [i] = 1;
}
else if (70 <= grayPixels[i] && grayPixels[i] < 120)
{
grayPixels[i] = 100;
}
else
{
grayPixels[i] = 255;
//maskPixels [i] = 1;
}
}
grayMat.put(0, 0, grayPixels);
//thresholding make mage blake and white
Imgproc.threshold(grayMat, grayMat, 0, 255, Imgproc.THRESH_OTSU);
//extract the edge image
Imgproc.Canny(grayMat, grayMat, 50, 50);
//prepare for finding contours
List <MatOfPoint> contours = new List <MatOfPoint>();
Imgproc.findContours(grayMat, contours, new Mat(), Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
List <MatOfPoint> tmpTargets = new List <MatOfPoint>();
for (int i = 0; i < contours.Count; i++)
{
MatOfPoint cp = contours[i];
MatOfPoint2f cn = new MatOfPoint2f(cp.toArray());
double p = Imgproc.arcLength(cn, true);
MatOfPoint2f approx = new MatOfPoint2f();
// lager skew greater 0.03?
//convert contours to readable polyagon
Imgproc.approxPolyDP(cn, approx, 0.03 * p, true);
//find contours with 4 points
if (approx.toArray().Length == 4)
{
MatOfPoint approxPt = new MatOfPoint();
approx.convertTo(approxPt, CvType.CV_32S);
float maxCosine = 0;
float rate = 0;
float min_length = 100000000000000;
for (int j = 2; j < 5; j++)
{
Vector2 v1 = new Vector2((float)(approx.toArray()[j % 4].x - approx.toArray()[j - 1].x), (float)(approx.toArray()[j % 4].y - approx.toArray()[j - 1].y));
Vector2 v2 = new Vector2((float)(approx.toArray()[j - 2].x - approx.toArray()[j - 1].x), (float)(approx.toArray()[j - 2].y - approx.toArray()[j - 1].y));
float v1_length = Mathf.Sqrt(v1.x * v1.x + v1.y * v1.y);
float v2_length = Mathf.Sqrt(v2.x * v2.x + v2.y * v2.y);
min_length = Mathf.Min(Mathf.Min((float)(v1_length), (float)v2_length), min_length);
if (v1_length > v2_length)
{
rate = v2_length / v1_length;
}
else
{
rate = v1_length / v2_length;
}
float angle = Mathf.Abs(Vector2.Angle(v1, v2));
maxCosine = Mathf.Max(maxCosine, angle);
}
if (min_length > 100 && maxCosine < 135f)// && rate >= 0.6 maxCosine < 135f &&
{
tmpTargets.Add(approxPt);
//Debug.Log("Length -----------" + min_length);
//Debug.Log("------------rate" + rate + "---------------");
}
}
}
if (tmpTargets.Count > 0)
{
// -----------------------DRAW RECTANGLE---------------------------
//MatOfPoint2f approxCurve = new MatOfPoint2f();
//for (int i = 0; i < tmpTargets.Count; i++)
//{
// //Convert contours(i) from MatOfPoint to MatOfPoint2f
// MatOfPoint2f contour2f = new MatOfPoint2f(tmpTargets[i].toArray());
// //Processing on mMOP2f1 which is in type MatOfPoint2f
// double approxDistance = Imgproc.arcLength(contour2f, true) * 0.02;
// Imgproc.approxPolyDP(contour2f, approxCurve, approxDistance, true);
// //Convert back to MatOfPoint
// MatOfPoint points = new MatOfPoint(approxCurve.toArray());
// // Get bounding rect of contour
// OpenCVForUnity.Rect rect = Imgproc.boundingRect(points);
// // draw enclosing rectangle (all same color, but you could use variable i to make them unique)
// Imgproc.rectangle(mainMat, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height), new Scalar(0, 130, 255), 3);
// Imgproc.rectangle(mainMat, new Point(rect.x, rect.y), new Point(rect.x + 5, rect.y + 5), new Scalar(0, 0, 255), 5);
// Imgproc.rectangle(mainMat, new Point(rect.x + rect.width, rect.y), new Point(rect.x + +rect.width + 5, rect.y + 5), new Scalar(0, 0, 255), 5);
// Imgproc.rectangle(mainMat, new Point(rect.x + rect.width, rect.y + rect.height), new Point(rect.x + +rect.width + 5, rect.y + rect.height + 5), new Scalar(0, 0, 255), 5);
// Imgproc.rectangle(mainMat, new Point(rect.x, rect.y + rect.height), new Point(rect.x + 5, rect.y + rect.height + 5), new Scalar(0, 0, 255), 5);
//}
// -----------------------DRAW RECTANGLE---------------------------
// get the first contours
int largestPaper = findLargestContour(tmpTargets);
//Debug.Log(largestPaper);
// using the largest one
paperCornerMatOfPoint = tmpTargets[largestPaper];
// draw boundary
Imgproc.line(mainMat, paperCornerMatOfPoint.toList()[0], paperCornerMatOfPoint.toList()[1], new Scalar(0, 255, 0), 3);
Imgproc.line(mainMat, paperCornerMatOfPoint.toList()[0], paperCornerMatOfPoint.toList()[3], new Scalar(0, 255, 0), 3);
Imgproc.line(mainMat, paperCornerMatOfPoint.toList()[2], paperCornerMatOfPoint.toList()[3], new Scalar(0, 255, 0), 3);
Imgproc.line(mainMat, paperCornerMatOfPoint.toList()[1], paperCornerMatOfPoint.toList()[2], new Scalar(0, 255, 0), 3);
// extract target from the frame and adjust some angle....
Mat srcPointsMat = Converters.vector_Point_to_Mat(paperCornerMatOfPoint.toList(), CvType.CV_32F);
List <Point> dstPoints = new List <Point>();
dstPoints.Add(new Point(0, 0));
dstPoints.Add(new Point(0, 300));
dstPoints.Add(new Point(200, 300));
dstPoints.Add(new Point(200, 0));
Mat dstPointsMat = Converters.vector_Point_to_Mat(dstPoints, CvType.CV_32F);
//Make perspective transform
Mat m = Imgproc.getPerspectiveTransform(srcPointsMat, dstPointsMat);
Mat warpedMat = new Mat(mainMat.size(), mainMat.type());
Imgproc.warpPerspective(mainMat, warpedMat, m, new Size(200, 300), Imgproc.INTER_LINEAR);
warpedMat.convertTo(warpedMat, CvType.CV_8UC3);
Texture2D finalTargetTextue = new Texture2D(warpedMat.width(), warpedMat.height(), TextureFormat.RGB24, false);
Utils.matToTexture2D(warpedMat, finalTargetTextue);
targetRawImage.texture = finalTargetTextue;
//Debug.Log(paperCornerMatOfPoint.toList()[0].ToString() + " " + paperCornerMatOfPoint.toList()[1].ToString()+ " " + paperCornerMatOfPoint.toList()[2].ToString()+ " " + paperCornerMatOfPoint.toList()[3].ToString());
}
//--------------------------------------------------------
return(mainMat);
}
// Update is called once per frame
void Update()
{
Resources.UnloadUnusedAssets(); //Fixes the memory leak
//Get new picture from camera
imgTexture = new Texture2D(webcamTexture.width, webcamTexture.height);
imgTexture.SetPixels(webcamTexture.GetPixels());
imgTexture.Apply();
Mat imgMat = new Mat(imgTexture.height, imgTexture.width, CvType.CV_8UC3);
Utils.texture2DToMat(imgTexture, imgMat);
Mat maskMat = new Mat();
Mat maskMatOP = new Mat();
Mat grayMat = new Mat();
Imgproc.dilate(imgMat, imgMat, Imgproc.getStructuringElement(Imgproc.MORPH_RECT, new Size(1, 1)));
//Grayscale the picture
Imgproc.cvtColor(imgMat, grayMat, Imgproc.COLOR_RGB2GRAY);
//Blur the picture
Imgproc.GaussianBlur(grayMat, grayMat, new Size(3, 3), 1);
Imgproc.equalizeHist(grayMat, grayMat);
//Find Edges
Mat edgesOfPicture = new Mat();
Imgproc.Canny(grayMat, edgesOfPicture, 75, 225);
List <MatOfPoint> contours = new List <MatOfPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(edgesOfPicture, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
MatOfPoint2f matOfPoint2f = new MatOfPoint2f();
MatOfPoint2f approxCurve = new MatOfPoint2f();
List <Rect> rectPre = new List <Rect>();
List <Rect> rectAfter = new List <Rect>();
try
{
List <MatOfPoint2f> kvadrater = new List <MatOfPoint2f>();
for (int idx = 0; idx >= 0; idx = (int)hierarchy.get(0, idx)[0])
{
MatOfPoint contour = contours[idx];
Rect rect = Imgproc.boundingRect(contour);
double contourArea = Imgproc.contourArea(contour);
matOfPoint2f.fromList(contour.toList());
Imgproc.approxPolyDP(matOfPoint2f, approxCurve, Imgproc.arcLength(matOfPoint2f, true) * 0.02, true);
long total = approxCurve.total();
if (total > 0)
{
kvadrater.Add(approxCurve);
ArrayList cos = new ArrayList();
Point[] points = approxCurve.toArray();
for (int j = 2; j < total + 1; j++)
{
cos.Add(angle(points[(int)(j % total)], points[j - 2], points[j - 1]));
}
cos.Sort();
Double minCos = (Double)cos[0];
Double maxCos = (Double)cos[cos.Count - 1];
bool isRect = total == 4 && minCos >= -0.1 && maxCos <= 0.3;
//List<double[]> Colors = new List<double[]>();
if (isRect)
{
if (rect.width > 20)
{
rectPre.Add(rect);
}
List <Color> Colors = new List <Color>();
List <double[]> colorDoubles = new List <double[]>();
for (int op = 0; op < 9; op++)
{
if (rectPre.Count == 9)
{
// print("Pre verify: " + rectPre.ToString());
//rectPre = CoordinateVerifier.Verify(rectPre); Använd inte LINQ !! ! ! ! !
// print("After verify: " + rectPre.ToString());
var punkt = imgTexture.GetPixel(rect.x + (rect.width / 2), rect.y + (rect.height / 2));
Imgproc.putText(imgMat, op.ToString(), new Point(rectPre[op].x + 20, rectPre[op].y + 30), Core.FONT_HERSHEY_DUPLEX, 3, new Scalar(200));
Rgb rgb = new Rgb(punkt.r, punkt.g, punkt.b);
// print("rect[" + op + "] was found at" + rect.x.ToString() + "and y: " + rect.y.ToString());
var hsv = rgb.To <Hsv>();
String farg = "Ingen farg";
if (hsv.H >= 45 && hsv.H <= 70)
{
farg = "Gul";
}
if (hsv.H >= 10 && hsv.H <= 45)
{
farg = "Orange";
}
// print(farg);
Colors.Clear();
for (int q = 0; q < rectPre.Count; q++)
{
Color[] blockOfColour = imgTexture.GetPixels(rectPre[q].x + (rectPre[q].width / 2), rectPre[q].y + (rectPre[q].height / 2), rectPre[q].width / 3, rectPre[q].height / 3, 0);
float r = 0, g = 0, b = 0;
foreach (Color pixelBlock in blockOfColour)
{
r += pixelBlock.r;
g += pixelBlock.g;
b += pixelBlock.b;
}
r = r / blockOfColour.Length;
g = g / blockOfColour.Length;
b = b / blockOfColour.Length;
var eColor = _colorDetection.ColorEnumFromScalarColor(new double[] { r * 255, g * 255, b * 255 });
var color = ColorDetection.UnityColorFromEnum(eColor);
Colors.Add(color);
}
if (Colors.Count == 9)
{
ColorTracker.Instance.addToTemp(Colors);
foreach (Color c in Colors)
{
// print(c.ToString());
}
}
}
}
Imgproc.drawContours(imgMat, contours, idx, new Scalar(255, 100, 155), 4);
}
}
}
}
catch (ArgumentOutOfRangeException e)
{
}
Texture2D texture = new Texture2D(imgMat.cols(), imgMat.rows(), TextureFormat.RGBA32, false);
Utils.matToTexture2D(imgMat, texture);
gameObject.GetComponent <Renderer>().material.mainTexture = texture;
}
//public delegate void Process(int[] tgrdeteced);
void tagramDetect(Mat t_rgbaMat, Action <TangramResultModel, List <MyShape> > prc)
{
List <MyShape> lms = new List <MyShape>();
System.Diagnostics.Stopwatch watch = null;
long elapsedMs;
TangramResultModel trm = null;
Observable.Start(() =>
{
mut.WaitOne();
Imgproc.resize(t_rgbaMat, rgbaMat, new Size(nW_goc, nH_goc));
watch = System.Diagnostics.Stopwatch.StartNew();
if (warp != null)
{
warp.Init(rgbaMat);
Mat wMat = warp.warpPerspective(rgbaMat);
rgbaMat = wMat.submat(0, nH, 0, nW);
}
else
{
rgbaMat = rgbaMat.submat(0, nH, 0, nW);
}
all_thresh = Mat.zeros(nH, nW, CvType.CV_8UC3);
all_thresh_afct = Mat.zeros(nH, nW, CvType.CV_8UC3);
dbMat = Mat.zeros(nH, nW, CvType.CV_8UC3);
all_thresh_af = Mat.zeros(nH, nW, CvType.CV_8UC3);
rgbaMat.copyTo(rgbMat);
rgbMat.convertTo(rgbMat2, CvType.CV_8UC3, 0.8, 60);
rgbMat2.copyTo(rgbMat2copy);
rgbMat.convertTo(rgbMat3, CvType.CV_8UC3, 1, 60);
rgbMat.convertTo(rgbMat4, CvType.CV_8UC3, 1.25, 35);
rgbMat.convertTo(rgbMat, CvType.CV_8UC3, 1.25, 35);
Imgproc.cvtColor(rgbMat, hsvMat, Imgproc.COLOR_RGB2HSV);
Imgproc.cvtColor(rgbMat2, hsvMat2, Imgproc.COLOR_RGB2HSV);
Imgproc.cvtColor(rgbMat3, hsvMat3, Imgproc.COLOR_RGB2HSV);
Imgproc.cvtColor(rgbMat3, hsvMat4, Imgproc.COLOR_RGB2HSV);
watch.Stop();
elapsedMs = watch.ElapsedMilliseconds;
Mat markers = Mat.zeros(rgbaMat.size(), CvType.CV_32SC1);
watch = System.Diagnostics.Stopwatch.StartNew();
for (int obj_i = 0; obj_i < ls_obj.Length; obj_i++)
{
var obj = ls_obj[obj_i];
if (obj_i == (int)tgr.ORANGE | obj_i == (int)tgr.YELLOW | obj_i == (int)tgr.GREEN)
{
Core.inRange(hsvMat2, obj.getHSVmin(), obj.getHSVmax(), thresholdMat);
}
else if (obj_i == (int)tgr.LIGHTBLUE)
{
Core.inRange(hsvMat, obj.getHSVmin(), obj.getHSVmax(), thresholdMat);
}
else
{
Core.inRange(hsvMat, obj.getHSVmin(), obj.getHSVmax(), thresholdMat);
}
if (obj_i == (int)tgr.RED)
{
Core.inRange(hsvMat, new Scalar(0, 20, 45), new Scalar(5, 255, 255), thresholdMat2);
thresholdMat2.copyTo(thresholdMat, thresholdMat2);
}
thresholdMatArr[obj_i] = thresholdMat.clone();
}
//thresholdMatArr[(int)tgr.LIGHTBLUE].setTo(new Scalar(0), thresholdMatArr[(int)tgr.BLUE]);
//thresholdMatArr[(int)tgr.LIGHTBLUE].setTo(new Scalar(0), thresholdMatArr[(int)tgr.GREEN]);
for (int obj_i = 0; obj_i < ls_obj.Length; obj_i++)
{
var obj = ls_obj[obj_i];
all_cts.Clear();
thresholdMat = thresholdMatArr[obj_i];
if (toggle_db[obj_i] == true)
{
all_thresh.setTo(obj.ColorRGB, thresholdMat);
}
if (true | obj_i == (int)tgr.PURPLE | obj_i == (int)tgr.YELLOW | obj_i == (int)tgr.RED | obj_i == (int)tgr.GREEN | obj_i == (int)tgr.ORANGE)
{
Imgproc.erode(thresholdMat, thresholdMat2, Imgproc.getStructuringElement(Imgproc.MORPH_ELLIPSE, new Size(5, 5)), new Point(-1, -1), 1);
}
if (obj_i == (int)tgr.LIGHTBLUE | obj_i == (int)tgr.PURPLE)
{
Imgproc.erode(thresholdMat, thresholdMat2, Imgproc.getStructuringElement(Imgproc.MORPH_ELLIPSE, new Size(5, 5)), new Point(-1, -1), 1);
}
if (toggle_db[obj_i] == true)
{
all_thresh_af.setTo(obj.ColorRGB, thresholdMat2);
}
all_thresh_afct.setTo(new Scalar(obj_i + 1), thresholdMat2);
color_filter.Add(thresholdMat2.clone());
Imgproc.findContours(thresholdMat2, all_cts, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
Scalar c = obj.getColor();
for (int ct_i = 0; ct_i < all_cts.Count; ct_i++)
{
double area = Imgproc.contourArea(all_cts[ct_i]);
// if (area < MIN_OBJECT_AREA)
if (area < MIN_OBJECT_AREAS[obj_i] * 0.55)
{
all_cts.RemoveAt(ct_i);
ct_i--;
}
if (area > MAX_OBJECT_AREAS[obj_i] * 1.3)
{
all_cts.RemoveAt(ct_i);
ct_i--;
}
}
MyShape chon = null;
MyShape ms = new MyShape();
float dt = 1000000;
for (int ct_i = 0; ct_i < all_cts.Count; ct_i++)
{
var ct = all_cts[ct_i];
var peri = Imgproc.arcLength(new MatOfPoint2f(ct.toArray()), true);
var epsilon = 0.1 * peri;
if (obj_i == (int)tgr.ORANGE || obj_i == (int)tgr.YELLOW)
{
epsilon = 0.065 * peri;
}
Imgproc.approxPolyDP(new MatOfPoint2f(ct.toArray()), approx_ct, epsilon, true);
MatOfInt pts_cvh = new MatOfInt();
Imgproc.convexHull(ct, pts_cvh, true);
var cvh_numPts = pts_cvh.toArray().Length;
Point[] cvh_pts = new Point[cvh_numPts];
var ct_pts = ct.toArray();
for (int i = 0; i < cvh_numPts; i++)
{
var i1 = pts_cvh.toArray()[i];
var p1 = ct_pts[i1];
cvh_pts[i] = p1;
try
{
if (debug == true)
{
var i2 = pts_cvh.toArray()[(i + 1) % cvh_numPts];
var p2 = ct_pts[i2];
Imgproc.circle(rgbMat2, p1, 1, c, 2);
}
}
catch (Exception e)
{
Utilities.LogFormat("Here3:{0},{1},{2}", rgbMat2 == null, p1 == null, c == null);
Utilities.Log("Exception is {0}", e.ToString());
Utilities.Log("Trace is {0}", e.StackTrace.ToString());
}
}
MatOfPoint2f approx_cvh = new MatOfPoint2f();
var epsilon2 = peri * 0.1;
if (obj_i == (int)tgr.ORANGE)
{
epsilon2 = peri * 0.065;
}
Imgproc.approxPolyDP(new MatOfPoint2f(cvh_pts), approx_cvh, epsilon2, true);
var ct_ori = new MatOfPoint(ct.toArray());
MatOfPoint approx_ct2 = new MatOfPoint(approx_ct.toArray());
List <MatOfPoint> approx_cvh2 = new List <MatOfPoint>();
approx_cvh2.Add(new MatOfPoint(approx_cvh.toArray()));
var mu = Imgproc.moments(approx_cvh2[0], true);
cterTgr.x = mu.m10 / mu.m00;
cterTgr.y = mu.m01 / mu.m00;
if (approx_ct2.size().height == 3 | approx_ct2.size().height == 4)
{
var points = approx_cvh2[0].toArray();
var numpoints = points.Length;
ms._id = obj_i;
ms.ps = new Point[numpoints];
double rat = 1.16;
if (obj_i == (int)tgr.PURPLE)
{
rat = 1.20;
}
else if (obj_i == (int)tgr.LIGHTBLUE)
{
rat = 1.20;
}
else if (obj_i == (int)tgr.RED | obj_i == (int)tgr.BLUE)
{
rat = 1.09;
}
else if (obj_i == (int)tgr.YELLOW)
{
rat = 1.10;
}
else if (obj_i == (int)tgr.ORANGE)
{
rat = 1.10;
}
else if (obj_i == (int)tgr.GREEN)
{
rat = 1.10;
}
var ind_huyen = 0;
var max = -1d;
if (numpoints == 3 || numpoints == 4)
{
for (int p_i = 0; p_i < numpoints; p_i++)
{
var p = points[p_i];
var p2 = points[(p_i + 1) % numpoints];
var vect = p - cterTgr;
vect = vect * rat;
var p_new = cterTgr + vect;
points[p_i].x = (int)(p_new.x * 100) / 100f;
points[p_i].y = (int)(p_new.y * 100) / 100f;
if (numpoints == 4)
{
ms.ps[p_i] = p_new;
}
if (numpoints == 3)
{
var vt = p2 - p;
var length = vt.x * vt.x + vt.y * vt.y;
if (length > max)
{
ind_huyen = p_i;
max = length;
}
}
}
}
if (numpoints == 3)
{
var i_nhon1 = ind_huyen;
var i_nhon2 = (ind_huyen + 1) % numpoints;
var i_vuong = (ind_huyen + 2) % numpoints;
ms.ps[0] = points[i_vuong];
ms.ps[1] = points[i_nhon1];
ms.ps[2] = points[i_nhon2];
}
else if (numpoints == 4)
{
if (obj_i == (int)tgr.ORANGE)
{
var vt_cheo1 = ms.ps[0] - ms.ps[2];
var vt_cheo2 = ms.ps[1] - ms.ps[3];
var leng_cheo1 = vt_cheo1.x * vt_cheo1.x + vt_cheo1.y * vt_cheo1.y;
var leng_cheo2 = vt_cheo2.x * vt_cheo2.x + vt_cheo2.y * vt_cheo2.y;
var i_nhon = 0;
if (leng_cheo2 > leng_cheo1)
{
i_nhon = 1;
}
ms.ps[0] = points[i_nhon];
ms.ps[1] = points[(i_nhon + 1)];
ms.ps[2] = points[(i_nhon + 2)];
ms.ps[3] = points[(i_nhon + 3) % numpoints];
var i_prvNhon = (i_nhon + 4 - 1) % numpoints;
var i_aftNhon = i_nhon + 1;
var vt_prvNhon = points[i_prvNhon] - points[i_nhon];
var vt_aftNhon = points[i_aftNhon] - points[i_nhon];
var len_prvNhon = vt_prvNhon.x * vt_prvNhon.x + vt_prvNhon.y * vt_prvNhon.y;
var len_aftNhon = vt_aftNhon.x * vt_aftNhon.x + vt_aftNhon.y * vt_aftNhon.y;
Imgproc.line(dbMat, points[i_prvNhon], points[i_nhon], c, 1);
if (len_prvNhon > len_aftNhon)
{
ms.isFlip = true;
Imgproc.putText(dbMat, " IsFLIP", ms.ps[3], 1, 1, c, 1);
}
else
{
ms.isFlip = false;
Imgproc.putText(dbMat, " IsNOTFLIP", ms.ps[3], 1, 1, c, 1);
}
}
}
var centerMat = new Point(rgbMat.width() / 2f, rgbMat.height() / 2f);
var vtLech = centerMat - cterTgr;
var dt2 = vtLech.x * vtLech.x + vtLech.y * vtLech.y;
if (dt2 < dt)
{
chon = ms;
}
}
try
{
Imgproc.circle(rgbMat, cterTgr, 1, c, 1);
Imgproc.putText(rgbMat, mu.m00.ToString(), cterTgr, 1, 1, c, 1);
}
catch (Exception e)
{
Utilities.LogFormat("Here2:{0},{1},{2}", rgbMat == null, cterTgr == null, c == null);
Utilities.Log("Exception is {0}", e.ToString());
Utilities.Log("Trace is {0}", e.StackTrace.ToString());
}
//if (approx_ct2.size().height == 3 | approx_ct2.size().height == 4) break;
}
if (chon != null)
{
lms.Add(chon);
var ps = chon.ps;
for (int i = 0; i < ps.Length; i++)
{
var p1 = ps[i];
var p2 = ps[(i + 1) % ps.Length];
try
{
Imgproc.line(rgbMat2, p1, p2, c, 1);
Imgproc.line(all_thresh_afct, p1, p2, new Scalar(255, 255, 255), 1);
Imgproc.line(dbMat, p1, p2, c, 1);
Imgproc.circle(dbMat, p1, 1, c);
}
catch (Exception e)
{
Utilities.LogFormat("Here1:{0},{1},{2}", rgbMat2 == null, p1 == null, p2 == null);
Utilities.Log("Exception is {0}", e.ToString());
Utilities.Log("Trace is {0}", e.StackTrace.ToString());
}
}
}
watch.Stop();
elapsedMs = watch.ElapsedMilliseconds;
}
TangramShape msl = new TangramShape();
msl.datas = lms;
var json = JsonUtility.ToJson(msl);
watch = System.Diagnostics.Stopwatch.StartNew();
trm = tangramFeatureModelList.Detect(msl.datas.ToArray());
watch.Stop();
elapsedMs = watch.ElapsedMilliseconds;
mut.ReleaseMutex();
}).ObserveOnMainThread().Subscribe((rx) =>
{
prc(trm, lms);
if (debug == true)
{
mut.WaitOne();
if (texture != null && debug == true)
{
Utils.matToTexture2D(dbMat, texture);
}
if (dbText1 != null && debug == true)
{
Utils.matToTexture2D(rgbMat2copy, dbText1);
}
if (dbText2 != null && debug == true)
{
Utils.matToTexture2D(rgbMat3, dbText2);
}
if (dbText3 != null && debug == true)
{
Utils.matToTexture2D(rgbMat4, dbText3);
}
if (dbText4 != null && debug == true)
{
Utils.matToTexture2D(rgbMat, dbText4);
}
all_thresh_afct = all_thresh_afct * 25;
Imgproc.cvtColor(rgbMat2, rgbMat2, Imgproc.COLOR_RGBA2RGB);
Imgproc.cvtColor(all_thresh, all_thresh, Imgproc.COLOR_RGBA2RGB);
Mat a = new Mat(all_thresh.size(), CvType.CV_8UC3);
Core.addWeighted(all_thresh, 0.2, rgbMat2, 0.8, 0, a);
if (dbText5 != null && debug == true)
{
Utils.matToTexture2D(a, dbText5);
}
if (dbText6 != null && debug == true)
{
Utils.matToTexture2D(all_thresh, dbText6);
}
if (dbText7 != null && debug == true)
{
Utils.matToTexture2D(all_thresh_afct, dbText7);
}
if (dbText8 != null && debug == true)
{
Utils.matToTexture2D(all_thresh_af, dbText8);
}
mut.ReleaseMutex();
}
});
}
public int getAnswerNumber(Mat align, Rect r)
{
Mat roi = new Mat(align, r);
Mat roi_gray = new Mat(), roi_edges = new Mat();
Imgproc.cvtColor(roi, roi_gray, Imgproc.COLOR_RGB2GRAY);
Imgproc.Canny(roi_gray, roi_edges, 200, 200);
// Mat element = Imgproc.getStructuringElement(Imgproc.MORPH_ELLIPSE, new Size(2 + 1, 2 + 1), new Point(1, 1));
// Imgproc.dilate(roi_edges, roi_edges, element);
//Shape detection
List <MatOfPoint> contours = new List <MatOfPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(roi_edges, contours, hierarchy, Imgproc.RETR_TREE, Imgproc.CHAIN_APPROX_SIMPLE, new Point(0, 0));
List <MatOfPoint> hulls = new List <MatOfPoint>();
for (int i = 0; i < contours.Count; i++)
{
MatOfInt hull_temp = new MatOfInt();
Imgproc.convexHull(contours[i], hull_temp);
int[] arrIndex = hull_temp.toArray();
Point[] arrContour = contours[i].toArray();
Point[] arrPoints = new Point[arrIndex.Length];
for (int k = 0; k < arrIndex.Length; k++)
{
arrPoints[k] = arrContour[arrIndex[k]];
}
MatOfPoint temp = new MatOfPoint();
temp.fromArray(arrPoints);
//Filter outliers
if (Imgproc.contourArea(temp) > 40 && Imgproc.contourArea(temp) < 200)
{
hulls.Add(temp);
}
}
List <MatOfPoint2f> hull2f = new List <MatOfPoint2f>();
for (int i = 0; i < hulls.Count; i++)
{
MatOfPoint2f newPoint = new MatOfPoint2f(hulls[i].toArray());
hull2f.Add(newPoint);
}
for (int i = 0; i < hulls.Count; i++)
{
//Approximate polygon
MatOfPoint2f approx = new MatOfPoint2f();
Imgproc.approxPolyDP(hull2f[i], approx, 0.01 * Imgproc.arcLength(hull2f[i], true), true);
List <Point> approx_polygon = approx.toList();
approx_polygon = Scannerproc.filterPolygon(approx_polygon);
double area = Imgproc.contourArea(approx);
//Center of mass
int cx = 0,
cy = 0;
for (int k = 0; k < approx_polygon.Count; k++)
{
cx += (int)approx_polygon[k].x;
cy += (int)approx_polygon[k].y;
}
cx /= approx_polygon.Count;
cy /= approx_polygon.Count;
// Imgproc.circle(roi, new Point(cx, cy), 5, new Scalar(255), -1);
// Texture2D tex = new Texture2D(roi.width(), roi.height(), TextureFormat.RGB24, false);
// Utils.matToTexture2D(roi, tex);
// byte[] bytes1 = tex.EncodeToJPG();
// File.WriteAllBytes("D:/2019/OMR/" + "test.png", bytes1);
Point pos1 = new Point((roi.width() * 1) / 10, cy);
Point pos2 = new Point((roi.width() * 3) / 10, cy);
Point pos3 = new Point((roi.width() * 5) / 10, cy);
Point pos4 = new Point((roi.width() * 7) / 10, cy);
Point pos5 = new Point((roi.width() * 9) / 10, cy);
Point nowPos = new Point(cx, cy);
double[] dist = new double[5];
dist[0] = Scannerproc.distanceTwoPoints(pos1, nowPos);
dist[1] = Scannerproc.distanceTwoPoints(pos2, nowPos);
dist[2] = Scannerproc.distanceTwoPoints(pos3, nowPos);
dist[3] = Scannerproc.distanceTwoPoints(pos4, nowPos);
dist[4] = Scannerproc.distanceTwoPoints(pos5, nowPos);
int id = -1;
double min_dist = 999999;
for (int t = 0; t < 5; t++)
{
if (dist[t] < min_dist)
{
min_dist = dist[t];
id = t;
}
}
return(id + 1);
//return plusPoints(tl, new Point(cx, cy));
}
return(0);
}
string getFeatureTangram(string path)
{
Mat rgbMat = Imgcodecs.imread(path);
var width = rgbMat.width();
var height = rgbMat.height();
var ofsetx = 0;
var ofsety = 0;
if (width > 4096)
{
ofsetx = (width - 4096) / 2;
}
if (height > 4096)
{
ofsety = (height - 4096) / 2;
}
var rat = (float)rgbMat.width() / (float)rgbMat.height();
Imgproc.cvtColor(rgbMat, rgbMat, Imgproc.COLOR_RGBA2BGR);
Mat rgbMat2 = new Mat(rgbMat.size(), rgbMat.type());
if (debug == true)
{
mainDebug.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug1.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug2.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug3.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug4.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug5.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug6.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug7.GetComponent <AspectRatioFitter>().aspectRatio = rat;
debug8.GetComponent <AspectRatioFitter>().aspectRatio = rat;
}
Mat hsvMat = new Mat();
Imgproc.cvtColor(rgbMat, hsvMat, Imgproc.COLOR_RGB2HSV);
Debug.Log(rgbMat.width());
if (debug == true)
{
maxHeight = (int)(maxWidth / rat);
texture = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt1 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt2 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt3 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt4 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt5 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt6 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt7 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
dbTxt8 = new Texture2D(maxWidth, maxHeight, TextureFormat.RGBA32, false);
mainDebug.texture = texture;
debug1.texture = dbTxt1;
debug2.texture = dbTxt2;
debug3.texture = dbTxt3;
debug4.texture = dbTxt4;
debug5.texture = dbTxt5;
debug6.texture = dbTxt6;
debug7.texture = dbTxt7;
debug8.texture = dbTxt8;
}
if (debug)
{
Mat a = new Mat();
Imgproc.resize(rgbMat, a, new Size(maxWidth, maxHeight));
Utils.matToTexture2D(a, dbTxt4);
}
Mat threshold = new Mat();
Mat threshold2 = new Mat();
List <MatOfPoint> contours = new List <MatOfPoint>();
Mat hierarchy = new Mat();
MatOfPoint2f mop2f = new MatOfPoint2f();
TangramShape blackShape = new TangramShape();
List <MyShape> ls_shapes = new List <MyShape>();
blackShape.datas = ls_shapes;
bool[] OK = new bool[7];
for (var obj_i = 0; obj_i < 7; obj_i++)
{
var obj = ls_obj[obj_i];
Core.inRange(hsvMat, obj.HSVmin, obj.HSVmax, threshold);
if (obj_i == (int)tgr.RED)
{
Core.inRange(hsvMat, obj.lower_HSVMin, obj.lower_HSVMax, threshold2);
threshold2.copyTo(threshold, threshold2);
}
if (obj_i == (int)tgr.YELLOW)
{
if (debug)
{
matToTexture(threshold, dbTxt3);
}
}
contours.Clear();
Imgproc.findContours(threshold, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE);
for (int ct_i = 0; ct_i < contours.Count; ct_i++)
{
if (Imgproc.contourArea(contours[ct_i]) < MIN_OBJECT_AREA)
{
contours.RemoveAt(ct_i);
ct_i--;
}
}
Scalar c = hsv2rgb(obj.getColor());
for (int ct_i = 0; ct_i < contours.Count; ct_i++)
{
var ct = contours[ct_i];
var peri = Imgproc.arcLength(new MatOfPoint2f(ct.toArray()), true);
Imgproc.approxPolyDP(new MatOfPoint2f(ct.toArray()), mop2f, 0.05 * peri, true);
{
MyShape ms = new MyShape();
var points = mop2f.toArray();
var index = -1;
var max = -1d;
var numPoints = points.Length;
ms._id = obj_i;
ms.ps = new Point[numPoints];
if (numPoints == 3)
{
OK[obj_i] = true;
for (var p_i = 0; p_i < numPoints; p_i++)
{
//Debug.LogFormat("p1 = {0}, p2 = {1}", p_i % numPoints, (p_i + 1) % numPoints);
var p1 = points[p_i % numPoints];
var p2 = points[(p_i + 1) % numPoints];
var vt = p2 - p1;
float len = (float)(vt.x * vt.x + vt.y * vt.y);
if (len > max)
{
index = p_i;
max = len;
}
}
var i_nhon1 = index;
var i_nhon2 = (index + 1) % numPoints;
var i_vuong = (index + 2) % numPoints;
ms.ps[0] = points[i_vuong];
ms.ps[1] = points[i_nhon1];
ms.ps[2] = points[i_nhon2];
Imgproc.putText(rgbMat2, "1", points[i_nhon1], 1, 20, c, 10);
Imgproc.putText(rgbMat2, "2", points[i_nhon2], 1, 20, c, 10);
Imgproc.putText(rgbMat2, "0", points[i_vuong], 1, 20, c, 10);
}
else if (numPoints == 4)
{
if (obj_i == (int)tgr.YELLOW)
{
OK[obj_i] = true;
Debug.Log("Xin chao the mau vang");
ms.ps[0] = points[0];
ms.ps[1] = points[1];
ms.ps[2] = points[2];
ms.ps[3] = points[3];
}
else if (obj_i == (int)tgr.ORANGE)
{
OK[obj_i] = true;
Debug.Log("Xin chao the gioi");
var vt_cheo1 = points[0] - points[2];
var vt_cheo2 = points[1] - points[3];
var len_cheo1 = vt_cheo1.x * vt_cheo1.x + vt_cheo1.y * vt_cheo1.y;
var len_cheo2 = vt_cheo2.x * vt_cheo2.x + vt_cheo2.y * vt_cheo2.y;
var i_nhon = 0;
if (len_cheo2 > len_cheo1)
{
i_nhon = 1;
}
ms.ps[0] = points[i_nhon];
ms.ps[1] = points[(i_nhon + 1)];
ms.ps[2] = points[(i_nhon + 2)];
ms.ps[3] = points[(i_nhon + 3) % numPoints];
var i_prvNhon = (i_nhon + 4 - 1) % numPoints;
var i_aftNhon = i_nhon + 1;
var vt_prvNhon = points[i_prvNhon] - points[i_nhon];
var vt_aftNhon = points[i_aftNhon] - points[i_nhon];
//Imgproc.line(rgbMat2, points[i_prvNhon], points[i_nhon], c, 10);
var len_prvNhon = vt_prvNhon.x * vt_prvNhon.x + vt_prvNhon.y * vt_prvNhon.y;
var len_aftNhon = vt_aftNhon.x * vt_aftNhon.x + vt_aftNhon.y * vt_aftNhon.y;
if (len_prvNhon > len_aftNhon)
{
ms.isFlip = true;
Imgproc.putText(rgbMat2, " IsFLIP", ms.ps[3], 1, 20, c, 10);
}
else
{
ms.isFlip = false;
Imgproc.putText(rgbMat2, " IsNOTFLIP", ms.ps[3], 1, 20, c, 10);
}
Debug.Log(ms.ps.Length);
Debug.Log((i_nhon + 3) % numPoints);
if (debug == true)
{
Imgproc.putText(rgbMat2, "0", ms.ps[0], 1, 20, c, 10);
Imgproc.putText(rgbMat2, "1", ms.ps[1], 1, 20, c, 10);
Imgproc.putText(rgbMat2, "2", ms.ps[2], 1, 20, c, 10);
Imgproc.putText(rgbMat2, "3", ms.ps[3], 1, 20, c, 10);
}
}
}
ls_shapes.Add(ms);
}
}
}
for (var ok_i = 0; ok_i < 7; ok_i++)
{
if (OK[ok_i] == false)
{
Debug.LogError("Sai mau: " + ok_i);
}
}
if (debug)
{
Imgproc.circle(rgbMat2, new Point(1851, 3172), 20, yellow.getColor(), 10);
Imgproc.circle(rgbMat2, new Point(1245, 2565), 20, yellow.getColor(), 10);
Imgproc.circle(rgbMat2, new Point(883, 2925), 20, red.getColor(), 10);
Imgproc.circle(rgbMat2, new Point(2100, 1709), 20, red.getColor(), 10);
Mat a = new Mat();
Imgproc.resize(rgbMat, a, new Size(maxWidth, maxHeight));
Utils.matToTexture2D(a, texture);
Imgproc.resize(hsvMat, a, new Size(maxWidth, maxHeight));
Utils.matToTexture2D(a, dbTxt1);
Imgproc.resize(rgbMat2, a, new Size(maxWidth, maxHeight));
Utils.matToTexture2D(a, dbTxt2);
}
for (int i = 0; i < blackShape.datas.Count; i++)
{
for (int j = 0; j < blackShape.datas[i].ps.Length; j++)
{
blackShape.datas[i].ps[j].x -= ofsetx;
blackShape.datas[i].ps[j].y -= ofsety;
}
}
var json = JsonUtility.ToJson(blackShape);
return(json);
}
// Update is called once per frame
void Update()
{
if (webCamTextureToMatHelper.IsPlaying() && webCamTextureToMatHelper.DidUpdateThisFrame())
{
frame = webCamTextureToMatHelper.GetMat();
frame.copyTo(img_orig);
drawing = img_orig.clone();
int lowThreshold = 50;// (int)200;// slider.value;
const int ratio = 1;
const int kernel_size = 3;
Imgproc.cvtColor(img_orig, img_lab, Imgproc.COLOR_BGR2Lab);
double omrSize = img_orig.cols() * img_orig.rows();
Imgproc.cvtColor(img_orig, img_gray, Imgproc.COLOR_RGBA2GRAY);
Imgproc.GaussianBlur(img_gray, img_gray, new Size(15, 15), 1.5, 1.5); //Gaussian blur
Imgproc.erode(img_gray, img_gray, new Mat(), new Point(-1, -1), 1); //Erosion
// Imgproc.dilate(img_gray, img_gray, new Mat(), new Point(-1, -1), 10, 1, new Scalar(10)); //Dilation
Imgproc.Canny(img_gray, img_edges, lowThreshold, lowThreshold * ratio, kernel_size, false);
//Shape detection
List <MatOfPoint> contours = new List <MatOfPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(img_edges, contours, hierarchy, Imgproc.RETR_EXTERNAL, Imgproc.CHAIN_APPROX_SIMPLE, new Point(0, 0));
//Texture2D tex = new Texture2D(img_edges.width(), img_edges.height(), TextureFormat.RGB24, false);
//Utils.matToTexture2D(img_edges, tex);
//byte[] bytes1 = tex.EncodeToJPG();
//File.WriteAllBytes("D:/2019/OMR/" + "test213123.png", bytes1);
List <MatOfPoint> hulls = new List <MatOfPoint>();
for (int i = 0; i < contours.Count; i++)
{
MatOfInt hull_temp = new MatOfInt();
Imgproc.convexHull(contours[i], hull_temp);
int[] arrIndex = hull_temp.toArray();
Point[] arrContour = contours[i].toArray();
Point[] arrPoints = new Point[arrIndex.Length];
for (int k = 0; k < arrIndex.Length; k++)
{
arrPoints[k] = arrContour[arrIndex[k]];
}
MatOfPoint temp = new MatOfPoint();
temp.fromArray(arrPoints);
//Filter outliers
if (Imgproc.contourArea(temp) > omrSize / 3 && Imgproc.contourArea(temp) < (omrSize * 4) / 5)
{
hulls.Add(temp);
}
}
List <MatOfPoint2f> hull2f = new List <MatOfPoint2f>();
for (int i = 0; i < hulls.Count; i++)
{
MatOfPoint2f newPoint = new MatOfPoint2f(hulls[i].toArray());
hull2f.Add(newPoint);
}
for (int i = 0; i < hulls.Count; i++)
{
//Approximate polygon
MatOfPoint2f approx = new MatOfPoint2f();
Imgproc.approxPolyDP(hull2f[i], approx, 0.01 * Imgproc.arcLength(hull2f[i], true), true);
List <Point> approx_polygon = approx.toList();
// approx_polygon = Scannerproc.filterPolygon(approx_polygon);
// Debug.Log(approx_polygon.Count);
if (!Scannerproc.isSquare(approx_polygon))
{
continue;
}
else
{
nowRectPoints.Clear();
nowRectPoints.AddRange(approx_polygon);
perspectiveAlign();
}
//Center of mass
int cx = 0,
cy = 0;
for (int k = 0; k < approx_polygon.Count; k++)
{
cx += (int)approx_polygon[k].x;
cy += (int)approx_polygon[k].y;
}
cx /= approx_polygon.Count;
cy /= approx_polygon.Count;
Scannerproc.drawShape(drawing, approx_polygon, new Scalar(0, 255, 0));
}
if (showTextureOnScreen)
{
showCurrentTextureOnScreen();
}
}
}
