public double getResult(out OpenCvSharp.RotatedRect location)
{
VP_MatchTemplate m = (VP_MatchTemplate)testcase;
location = new RotatedRect(new Point2f(m.Loc.X + temp.Width / 2, m.Loc.Y + temp.Height / 2), new Size2f(temp.Width, temp.Height), -(float)m.Angle);
return(m.Val);
}
/// <summary>
/// Finds an object center, size, and orientation.
/// </summary>
/// <param name="probImage">Back projection of the object histogram. </param>
/// <param name="window">Initial search window.</param>
/// <param name="criteria">Stop criteria for the underlying MeanShift() .</param>
/// <returns></returns>
public static RotatedRect CamShift(
InputArray probImage, ref Rect window, TermCriteria criteria)
{
if (probImage == null)
{
throw new ArgumentNullException(nameof(probImage));
}
probImage.ThrowIfDisposed();
RotatedRect result = NativeMethods.video_CamShift(
probImage.CvPtr, ref window, criteria);
return(result);
}
public static extern ExceptionStatus imgproc_rotatedRectangleIntersection_vector(
RotatedRect rect1, RotatedRect rect2, IntPtr intersectingRegion, out int returnValue);
public static extern ExceptionStatus imgproc_fitEllipseDirect_Point2f(Point2f[] points, int pointsLength, out RotatedRect returnValue);
public static extern ExceptionStatus imgproc_fitEllipseDirect_InputArray(IntPtr points, out RotatedRect returnValue);
public static extern ExceptionStatus imgproc_boxPoints_Point2f(RotatedRect box, [MarshalAs(UnmanagedType.LPArray), Out] Point2f[] points);
public static extern void imgproc_ellipse2(IntPtr img, RotatedRect box, Scalar color, int thickness, int lineType);
public Mat PutEllipseMaskOnFace2(Mat srcMat, Mat putMat)
{
var grayMat = new Mat();
Cv2.CvtColor(srcMat, grayMat, ColorConversionCodes.BGR2GRAY);
Cv2.EqualizeHist(grayMat, grayMat);
var faces = Cascade.DetectMultiScale(grayMat);
if (faces == null) return srcMat;
var binaryMat = new Mat();
// binaryMat = ColorExtractor.ExtractMask(srcMat,ColorConversionCodes.BGR2HSV,ColorVariation.Skin);
// return binaryMat;
int blockSize = 7;
double k = 1.5;
double R = 100;
Binarizer.Sauvola(grayMat, binaryMat, blockSize, k, R);
Cv2.BitwiseNot(binaryMat, binaryMat);
return binaryMat;
var polygons = new List<List<Point>>();
var faceCount = faces.Count(); // O(n)
for (int d = 0; d < faceCount; d++)
{
polygons = new List<List<Point>>();
int x1 = faces[d].X;
int y1 = faces[d].Y;
int width = faces[d].Width;
int height = faces[d].Height;
int x2 = x1 + width;
int y2 = y1 + height;
int pwidth = putMat.Width;
int pheight = putMat.Height;
int srcWidth = srcMat.Width;
int srcHeight = srcMat.Height;
polygons.Add(new List<Point>() {
new Point(x1,y1),
new Point(x2,y1),
new Point(x2,y2),
new Point(x1,y2),
});
// f = fixed
/* int fx1 = (int)(x1 - width * 0.01);
fx1 = fx1 > 0 ? fx1 : 0;
int fx2 = (int)(x2 + width * 0.01);
fx2 = fx2 < srcWidth ? fx2 : srcWidth;
int fy1 = (int)(y1 - height * 0.01);
fy1 = fy1 > 0 ? fy1 : 0;
int fy2 = (int)(y2 + height * 0.01);
fy2 = fy2 < srcHeight ? fy2 : srcHeight;
*/
int fx1 = (int)(x1 + width * 0.1);
int fx2 = (int)(x2 - width * 0.1);
int fy1 = (int)(y1 + height * 0.1);
int fy2 = (int)(y2 - height * 0.1);
int fwidth = x2 - x1;
int fheight = y2 - y1;
var faceSize = new Size(fwidth, fheight);
//重ねるファイルは少し拡大したほうが良いかな？
/* Mat put0 = putMat[(int)(pwidth * 0.1) ,
(int)(pwidth * 0.9),
(int)(pheight * 0.1),
(int)(pheight * 0.9)]
.Resize(new Size(width, heigh), 0, 0, InterpolationFlags.Lanczos4);
*/
Mat put0 = putMat.Resize(faceSize, 0, 0, InterpolationFlags.Lanczos4);
//真ん中編の色を適当に抽出
// 改良の余地あり（肌色領域の平均取ったり？）
MatOfByte3 mat3 = new MatOfByte3(put0); // cv::Mat_<cv::Vec3b>
var indexer = mat3.GetIndexer();
Vec3b color = indexer[(int)(put0.Width * 0.5), (int)(put0.Height * 0.5)];
//抽出した色で埋める
Mat put1 = new Mat(srcMat.Size(), MatType.CV_8UC3, new Scalar(color.Item0, color.Item1, color.Item2));
//重ねる範囲にコピー
put1[y1, y2, x1, x2] = put0;
Mat mask = Mat.Zeros(srcMat.Size(), MatType.CV_8UC3);
//中心はここ
var center = new Point(faces[d].X + faces[d].Width * 0.5, faces[d].Y + faces[d].Height * 0.5);
Mat faceAroundMat = Mat.Zeros(srcMat.Size(), MatType.CV_8UC1);
faceAroundMat[fy1, fy2, fx1, fx2] = binaryMat[fy1, fy2, fx1, fx2];
// faceAroundMat[y1, y2, x1, x2] = binaryMat[y1, y2, x1, x2];
//var countours = new
// 単純な輪郭抽出のみでは、傾きがわからない
// 元のAPIが破壊的な関数なので clone http://opencv.jp/opencv-2svn/cpp/imgproc_structural_analysis_and_shape_descriptors.html#cv-findcontours
var contours = faceAroundMat.Clone().FindContoursAsArray(RetrievalModes.List, ContourApproximationModes.ApproxNone);
//要素数が大きい輪郭だけ
var detectedContours = contours.Where(c =>
/*Cv2.ContourArea(c) > Cv2.ContourArea(polygons[0]) * 0.05 &&*/ Cv2.ContourArea(c) < Cv2.ContourArea(polygons[0]) * 0.1);
Mat conMat = Mat.Zeros(srcMat.Size(), MatType.CV_8UC1);
Cv2.DrawContours(conMat, detectedContours, -1, new Scalar(255, 255, 255));
return conMat;
var points = new List<Point>();
foreach (var dc in detectedContours)
{
points.Union(dc);
}
var detectedRotateRect = Cv2.MinAreaRect(points);
float angle =
detectedRotateRect.Angle =
Math.Abs(detectedRotateRect.Angle) > 20 ?
detectedRotateRect.Angle % 20 :
detectedRotateRect.Angle;
float scale = 1.0f;
// 回転
Mat matrix = Cv2.GetRotationMatrix2D(center, angle, scale);
Debug.WriteLine(detectedRotateRect.Angle);
//画像を回転させる
Cv2.WarpAffine(put1, put1, matrix, put1.Size());
var rotateRect = new RotatedRect(center, new Size2f(faceSize.Width, faceSize.Height), detectedRotateRect.Angle);
continue;
Cv2.Ellipse(mask, detectedRotateRect, new Scalar(255, 255, 255), -1, LineTypes.AntiAlias);
// Cv2.FillPoly(mask, polygons, new Scalar(255, 255, 255));
Cv2.SeamlessClone(put1, srcMat, mask, center, srcMat, SeamlessCloneMethods.NormalClone);
}
return srcMat;
}
public static extern ExceptionStatus imgproc_minAreaRect_InputArray(IntPtr points, out RotatedRect returnValue);
/// <summary>
/// 枠だけの楕円，もしくは塗りつぶされた楕円を描画する
/// </summary>
/// <param name="img">楕円が描かれる画像．</param>
/// <param name="box">描画したい楕円を囲む矩形領域．</param>
/// <param name="color">楕円の色．</param>
/// <param name="thickness">楕円境界線の幅．[既定値は1]</param>
/// <param name="lineType">楕円境界線の種類．[既定値はLineType.Link8]</param>
#else
/// <summary>
/// Draws simple or thick elliptic arc or fills ellipse sector
/// </summary>
/// <param name="img">Image. </param>
/// <param name="box">The enclosing box of the ellipse drawn </param>
/// <param name="color">Ellipse color. </param>
/// <param name="thickness">Thickness of the ellipse boundary. [By default this is 1]</param>
/// <param name="lineType">Type of the ellipse boundary. [By default this is LineType.Link8]</param>
#endif
public static void Ellipse(InputOutputArray img, RotatedRect box, Scalar color,
int thickness = 1, LineTypes lineType = LineTypes.Link8)
{
if (img == null)
throw new ArgumentNullException(nameof(img));
img.ThrowIfDisposed();
NativeMethods.imgproc_ellipse2(img.CvPtr, box, color, thickness, (int)lineType);
img.Fix();
}
public static extern ExceptionStatus video_CamShift(
IntPtr probImage, ref Rect window, TermCriteria criteria, out RotatedRect returnValue);
/// <summary>
/// Finds out if there is any intersection between two rotated rectangles.
/// If there is then the vertices of the interesecting region are returned as well.
/// Below are some examples of intersection configurations.
/// The hatched pattern indicates the intersecting region and the red
/// vertices are returned by the function.
/// </summary>
/// <param name="rect1">First rectangle</param>
/// <param name="rect2">Second rectangle</param>
/// <param name="intersectingRegion">
/// The output array of the verticies of the intersecting region.
/// It returns at most 8 vertices.</param>
/// <returns></returns>
public static RectanglesIntersectTypes RotatedRectangleIntersection(
RotatedRect rect1, RotatedRect rect2, out Point2f[] intersectingRegion)
{
using (var intersectingRegionVec = new VectorOfPoint2f())
{
int ret = NativeMethods.imgproc_rotatedRectangleIntersection_OutputArray(
rect1, rect2, intersectingRegionVec.CvPtr);
intersectingRegion = intersectingRegionVec.ToArray();
return (RectanglesIntersectTypes) ret;
}
}
/// <summary>
/// Finds out if there is any intersection between two rotated rectangles.
/// If there is then the vertices of the interesecting region are returned as well.
/// Below are some examples of intersection configurations.
/// The hatched pattern indicates the intersecting region and the red
/// vertices are returned by the function.
/// </summary>
/// <param name="rect1">First rectangle</param>
/// <param name="rect2">Second rectangle</param>
/// <param name="intersectingRegion">
/// The output array of the verticies of the intersecting region.
/// It returns at most 8 vertices.
/// Stored as std::vector<cv::Point2f> or cv::Mat as Mx1 of type CV_32FC2.</param>
/// <returns></returns>
public static RectanglesIntersectTypes RotatedRectangleIntersection(
RotatedRect rect1, RotatedRect rect2, OutputArray intersectingRegion)
{
if (intersectingRegion == null)
throw new ArgumentNullException(nameof(intersectingRegion));
intersectingRegion.ThrowIfNotReady();
int ret = NativeMethods.imgproc_rotatedRectangleIntersection_OutputArray(
rect1, rect2, intersectingRegion.CvPtr);
intersectingRegion.Fix();
return (RectanglesIntersectTypes)ret;
}
/// <summary>
/// 枠だけの楕円，もしくは塗りつぶされた楕円を描画する
/// </summary>
/// <param name="box">描画したい楕円を囲む矩形領域．</param>
/// <param name="color">楕円の色．</param>
/// <param name="thickness">楕円境界線の幅．[既定値は1]</param>
/// <param name="lineType">楕円境界線の種類．[既定値はLineType.Link8]</param>
#else
/// <summary>
/// Draws simple or thick elliptic arc or fills ellipse sector
/// </summary>
/// <param name="box">The enclosing box of the ellipse drawn </param>
/// <param name="color">Ellipse color. </param>
/// <param name="thickness">Thickness of the ellipse boundary. [By default this is 1]</param>
/// <param name="lineType">Type of the ellipse boundary. [By default this is LineType.Link8]</param>
#endif
public void Ellipse(RotatedRect box, Scalar color,
int thickness = 1, LineTypes lineType = LineTypes.Link8)
{
Cv2.Ellipse(this, box, color, thickness, lineType);
}
public static extern int imgproc_rotatedRectangleIntersection_vector(
RotatedRect rect1, RotatedRect rect2, IntPtr intersectingRegion);
public static extern ExceptionStatus imgproc_minAreaRect_Point2f(
[MarshalAs(UnmanagedType.LPArray)] Point2f[] points, int pointsLength, out RotatedRect returnValue);
public static extern void imgproc_ellipse2(IntPtr img, RotatedRect box, Scalar color, int thickness, int lineType);
public static extern ExceptionStatus imgproc_boxPoints_OutputArray(RotatedRect box, IntPtr points);
/// <summary>
/// Eye見て傾き検出
/// </summary>
/// <param name="srcMat"></param>
/// <param name="putMat"></param>
/// <returns></returns>
public Mat PutEllipseEyeMaskOnFace(Mat srcMat, Mat putMat)
{
var grayMat = new Mat();
Cv2.CvtColor(srcMat, grayMat, ColorConversionCodes.BGR2GRAY);
Cv2.EqualizeHist(grayMat, grayMat);
var faces = Cascade.DetectMultiScale(grayMat);
if (faces == null) return srcMat;
var polygons = new List<List<Point>>();
var faceCount = faces.Count(); // O(n)
for (int d = 0; d < faceCount; d++)
{
polygons = new List<List<Point>>();
int x1 = faces[d].X;
int y1 = faces[d].Y;
int width = faces[d].Width;
int height = faces[d].Height;
int x2 = x1 + width;
int y2 = y1 + height;
int pwidth = putMat.Width;
int pheight = putMat.Height;
int srcWidth = srcMat.Width;
int srcHeight = srcMat.Height;
polygons.Add(new List<Point>() {
new Point(x1,y1),
new Point(x2,y1),
new Point(x2,y2),
new Point(x1,y2),
});
var faceSize = new Size(width, height);
//重ねるファイルは少し拡大したほうが良いかな？
/* Mat put0 = putMat[(int)(pwidth * 0.1) ,
(int)(pwidth * 0.9),
(int)(pheight * 0.1),
(int)(pheight * 0.9)]
.Resize(new Size(width, heigh), 0, 0, InterpolationFlags.Lanczos4);
*/
Mat put0 = putMat.Resize(faceSize, 0, 0, InterpolationFlags.Lanczos4);
//真ん中編の色を適当に抽出
// 改良の余地あり（肌色領域の平均取ったり？）
MatOfByte3 mat3 = new MatOfByte3(put0); // cv::Mat_<cv::Vec3b>
var indexer = mat3.GetIndexer();
Vec3b color = indexer[(int)(put0.Width * 0.5), (int)(put0.Height * 0.5)];
//抽出した色で埋める
Mat put1 = new Mat(srcMat.Size(), MatType.CV_8UC3, new Scalar(color.Item0, color.Item1, color.Item2));
//重ねる範囲にコピー
put1[y1, y2, x1, x2] = put0;
Mat put1gray = Mat.Zeros(srcMat.Size(), MatType.CV_8UC1);
put1gray[y1, y2, x1, x2] = grayMat[y1, y2, x1, x2];
var eyes = EyeCascade.DetectMultiScale(put1gray);
/*
Debug.WriteLine(eyes.Count());
var cccc = new Point(eyes[0].X + eyes[0].Width * 0.5, eyes[0].Y + eyes[0].Height * 0.5);
put1gray.Circle(cccc,(int)(eyes[0].Width * 0.5), new Scalar(0, 255, 255));
return put1gray;*/
var eyeCount = eyes.Count();
if (eyeCount >= 2)
{
var eyePpints = new List<Point>();
var orderedEyes = eyes.OrderByDescending(x => x.Width * x.Height).ToArray();
while (true)
{
for (int i = 0; i < 2; i++)
{
eyePpints.Add(new Point(eyes[i].X + eyes[i].Width * 0.5, eyes[i].Y + eyes[i].Height * 0.5));
}
var wrapRect = Cv2.MinAreaRect(eyePpints);
if (Math.Abs(wrapRect.Angle % 180) < 20)
{
var scale = 1.0;
var angle = -wrapRect.Angle % 180;
var eyedx = (eyePpints[0].X + eyePpints[1].X) * 0.5 - wrapRect.Center.X;
var eyedy = (eyePpints[0].Y + eyePpints[1].Y) * 0.5 - wrapRect.Center.Y;
//中心はここ
var center = new Point(
(faces[d].X + faces[d].Width * 0.5) + eyedx,
(faces[d].Y + faces[d].Height * 0.5) + eyedy);
Mat matrix = Cv2.GetRotationMatrix2D(center, angle, scale);
//画像を回転させる
Cv2.WarpAffine(put1, put1, matrix, put1.Size());
var faceAvgWidth = (int)((wrapRect.Size.Width + faceSize.Width) * 0.6);
var rotateRect = new RotatedRect(center, new Size2f(faceAvgWidth, faceSize.Height * 0.9), angle);
Mat mask = Mat.Zeros(srcMat.Size(), MatType.CV_8UC3);
Cv2.Ellipse(mask, rotateRect, new Scalar(255, 255, 255), -1, LineTypes.AntiAlias);
// Cv2.FillPoly(mask, polygons, new Scalar(255, 255, 255));
Cv2.SeamlessClone(put1, srcMat, mask, center, srcMat, SeamlessCloneMethods.NormalClone);
break;
}
else
{
if (orderedEyes.Count() > 2)
{
orderedEyes = orderedEyes.Skip(1).ToArray();
}
else
{
var angle = 0;
//中心はここ
var center = new Point(faces[d].X + faces[d].Width * 0.5, faces[d].Y + faces[d].Height * 0.5);
var rotateRect = new RotatedRect(center, new Size2f(faceSize.Width * 0.8, faceSize.Height * 0.9), angle);
Mat mask = Mat.Zeros(srcMat.Size(), MatType.CV_8UC3);
Cv2.Ellipse(mask, rotateRect, new Scalar(255, 255, 255), -1, LineTypes.AntiAlias);
// Cv2.FillPoly(mask, polygons, new Scalar(255, 255, 255));
Cv2.SeamlessClone(put1, srcMat, mask, center, srcMat, SeamlessCloneMethods.NormalClone);
break;
}
}
}
}
else
{
var angle = 0;
//中心はここ
var center = new Point(faces[d].X + faces[d].Width * 0.5, faces[d].Y + faces[d].Height * 0.5);
var rotateRect = new RotatedRect(center, new Size2f(faceSize.Width * 0.8, faceSize.Height * 0.9), angle);
Mat mask = Mat.Zeros(srcMat.Size(), MatType.CV_8UC3);
Cv2.Ellipse(mask, rotateRect, new Scalar(255, 255, 255), -1, LineTypes.AntiAlias);
// Cv2.FillPoly(mask, polygons, new Scalar(255, 255, 255));
Cv2.SeamlessClone(put1, srcMat, mask, center, srcMat, SeamlessCloneMethods.NormalClone);
}
}
return srcMat;
}
public static extern int imgproc_rotatedRectangleIntersection_vector(
RotatedRect rect1, RotatedRect rect2, IntPtr intersectingRegion);
