public static void EqualizeHistHsv()
{
Glb.DrawMatAndHist0(Glb.matSrc);
Glb.DrawMat0(Glb.matSrc);
// BGR to HSV변환
var matHsv = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2HSV);
Glb.DrawHist0(matHsv, true);
// 채널 분리
var hsvChannels = matHsv.Split();
// 변환
hsvChannels[2] = hsvChannels[2].EqualizeHist();
// 채널 병합
var matDst = new Mat();
Cv2.Merge(hsvChannels, matDst);
Glb.DrawHist1(matDst, true);
// HSV to BGR변환
matDst = matDst.CvtColor(ColorConversionCodes.HSV2BGR);
Glb.DrawMat1(matDst);
Glb.DrawMatAndHist2(null);
matHsv.Dispose();
matDst.Dispose();
}
//public static void GenerateHoleTest(
// int bufWidth = 1000, int bufHeight = 1000, byte bufColor = 35,
// int circleX = 500, int circleY = 500, int circleRadius = 30, byte circleColor = 255,
// double blurKsize = 61, double blurSigma = 0,
// int resizeX = 100, int resizeY = 100) {
// var matImage = new Mat(bufHeight, bufWidth, MatType.CV_8UC1);
// matImage.FloodFill(new Point(0, 0), bufColor);
// matImage.Circle(circleX, circleY, circleRadius, circleColor);
// matImage.FloodFill(new Point(circleX, circleY), circleColor);
// Glb.DrawMatAndHist0(matImage);
// var matBlur = matImage.GaussianBlur(new Size(blurKsize, blurKsize), blurSigma, blurSigma, BorderTypes.Replicate);
// Glb.DrawMatAndHist1(matBlur);
// var matResize = matBlur.Resize(new Size(resizeX, resizeY));
// Glb.DrawMatAndHist2(matResize);
// matResize.Dispose();
// matBlur.Dispose();
// matImage.Dispose();
//}
//public static void GenerateHoleLocationSaveTest(
// int bufWidth = 1000, int bufHeight = 1000, byte bufColor = 35,
// int circleX = 500, int circleY = 500, int circleRadius = 30, byte circleColor = 255,
// double blurKsize = 61, double blurSigma = 0,
// int resizeX = 100, int resizeY = 100) {
// for (int y = circleY; y < circleY + 10; y++) {
// for (int x = circleX; x < circleX + 10; x++) {
// var matImage = new Mat(bufHeight, bufWidth, MatType.CV_8UC1);
// matImage.FloodFill(new Point(0, 0), bufColor);
// matImage.Circle(x, y, circleRadius, circleColor);
// matImage.FloodFill(new Point(x, y), circleColor);
// Glb.DrawMatAndHist0(matImage);
// var matBlur = matImage.GaussianBlur(new Size(blurKsize, blurKsize), blurSigma, blurSigma, BorderTypes.Replicate);
// Glb.DrawMatAndHist1(matBlur);
// var matResize = matBlur.Resize(new Size(resizeX, resizeY));
// Glb.DrawMatAndHist2(matResize);
// string imageFilePath = $@"C:\test\ContactHole_Location\HolePos_({x},{y}).bmp";
// bool r = matResize.SaveImage(imageFilePath);
// Console.WriteLine($"Save Image File : {imageFilePath} => {r}");
// matResize.Dispose();
// matBlur.Dispose();
// matImage.Dispose();
// }
// }
//}
//public static void GenerateHoleSizeSaveTest(
// int bufWidth = 1000, int bufHeight = 1000, byte bufColor = 35,
// int circleX = 500, int circleY = 500, int circleRadius = 30, byte circleColor = 255,
// double blurKsize = 61, double blurSigma = 0,
// int resize = 100) {
// for (int i = - 20; i <= 20; i += 4) {
// var matImage = new Mat(bufHeight, bufWidth, MatType.CV_8UC1);
// matImage.FloodFill(new Point(0, 0), bufColor);
// matImage.Circle(circleX, circleY, circleRadius, circleColor);
// matImage.FloodFill(new Point(circleX, circleY), circleColor);
// Glb.DrawMatAndHist0(matImage);
// var matBlur = matImage.GaussianBlur(new Size(blurKsize, blurKsize), blurSigma, blurSigma, BorderTypes.Replicate);
// Glb.DrawMatAndHist1(matBlur);
// int roiSize = 60;
// int resize2 = resize + i;
// var matResizeHole = matBlur.Resize(new Size(resize2, resize2));
// var matResizeHoleRoi = new Mat(matResizeHole, new Rect((resize2-roiSize)/2, (resize2-roiSize)/2, roiSize, roiSize));
// var matResizeOri = matImage.Resize(new Size(resize, resize));
// var matResizeOriRoi = new Mat(matResizeOri, new Rect((resize-roiSize)/2, (resize-roiSize)/2, roiSize, roiSize));
// matResizeHoleRoi.CopyTo(matResizeOriRoi);
// string imageFilePath = $@"C:\test\ContactHole_Size\HoleSize_({resize2:000}).bmp";
// bool r = matResizeOri.SaveImage(imageFilePath);
// Console.WriteLine($"Save Image File : {imageFilePath} => {r}");
// matResizeHole.Dispose();
// matBlur.Dispose();
// matImage.Dispose();
// }
//}
public static void HSVControl(double hscale = 1.0, double hoffset = 0.0, double sscale = 1.0, double soffset = 0.0, double vscale = 1.0, double voffset = 0.0)
{
Glb.DrawMat0(Glb.matSrc);
// BGR to HSV변환
var matHsv = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2HSV);
Glb.DrawHist0(matHsv, true);
// 채널 분리
var hsvChannels = matHsv.Split();
// 변환
hsvChannels[0].ConvertTo(hsvChannels[0], MatType.CV_8UC1, hscale, hoffset);
hsvChannels[1].ConvertTo(hsvChannels[1], MatType.CV_8UC1, sscale, soffset);
hsvChannels[2].ConvertTo(hsvChannels[2], MatType.CV_8UC1, vscale, voffset);
// 채널 병합
var matDst = new Mat();
Cv2.Merge(hsvChannels, matDst);
Glb.DrawHist1(matDst, true);
// HSV to BGR변환
matDst = matDst.CvtColor(ColorConversionCodes.HSV2BGR);
Glb.DrawMat1(matDst);
Glb.DrawMatAndHist2(null);
matHsv.Dispose();
matDst.Dispose();
}
public static void CarbonPaper(int x1 = 100, int y1 = 300, int x2 = 1100, int y2 = 1600, ThresholdTypes thrType = ThresholdTypes.Binary, int thr = 128, int filterArea = 30)
{
// 1. convert to grayscale
var matGray = Glb.matSrc.CvtColor(ColorConversionCodes.BGR2GRAY);
// 2. roi crop
Rect roi = new Rect(x1, y1, x2 - x1 + 1, y2 - y1 + 1);
var matGrayDrawRoi = Glb.matSrc.Clone();
matGrayDrawRoi.Rectangle(roi, Scalar.Yellow);
Glb.DrawMat0(matGrayDrawRoi);
var matRoi = new Mat(matGray, roi);
Glb.DrawHist0(matRoi);
// 3. threshold
var matThr = matRoi.Threshold(thr, 255, thrType);
Glb.DrawMatAndHist1(matThr);
// 4. blob with area filter
CvBlobs blobs = new CvBlobs();
blobs.Label(matThr);
blobs.FilterByArea(filterArea, int.MaxValue);
// 5. display blob
var matDsp = new Mat(matRoi.Rows, matRoi.Cols, MatType.CV_8UC3);
matDsp.SetTo(Scalar.Black);
blobs.RenderBlobs(matDsp, matDsp, RenderBlobsModes.Color);
Glb.DrawMatAndHist2(matDsp);
Console.WriteLine("blobs.cnt = {0}", blobs.Count);
matGray.Dispose();
matGrayDrawRoi.Dispose();
matRoi.Dispose();
matThr.Dispose();
matDsp.Dispose();
}