public void TestMethod6() { double[,] img = ImageHelper.LoadImage(TestResource._81_7); double sigma = 1.4d; double[,] smoothing = LocalBinarizationCanny.Smoothing(img, sigma); double[,] sobel = LocalBinarizationCanny.Sobel(smoothing); double[,] nonMax = LocalBinarizationCanny.NonMaximumSupperession(sobel); nonMax = GlobalBinarization.Binarization(nonMax, 60); nonMax = LocalBinarizationCanny.Inv(nonMax); int sizeWin = 16; double[,] resImg = LocalBinarizationCanny.LocalBinarization(img, nonMax, sizeWin, 1.3d); PoreFilter.DeletePores(resImg); var path = Path.GetTempPath() + "BinarizatedPoreFiltred81_7.png"; ImageHelper.SaveArray(resImg, path); Process.Start(path); var path2 = Path.GetTempPath() + "Thinned81_7.png"; var resImg2 = Thining.ThinPicture(resImg); ImageHelper.SaveArray(resImg2, path2); Process.Start(path2); var list = MinutiaeDetection.FindMinutiae(resImg2); var list2 = MinutiaeDetection.FindBigMinutiae(list); var path3 = Path.GetTempPath() + "MinutiaeMatchedTest81_7.png"; ImageHelper.MarkMinutiae(path2, list2, path3); Process.Start(path3); }
//public List<Minutia> FilterMinutiae(List<Minutia> result, int[,] segment) //{ // var size = Constants.SegmentationWindowSize; // var maxX = segment.GetLength(0); // var maxY = segment.GetLength(1); // var output = new List<Minutia>(); // foreach (var minutia in result) // { // var y = minutia.X/size; // var x = minutia.Y/size; // try // { // if (segment[x, y] == 1) // { // if (x > 0) // { // if (segment[x - 1, y] == 0) continue; // if (y > 0) if (segment[x - 1, y - 1] == 0) continue; // if (y < maxY) if (segment[x - 1, y + 1] == 0) continue; // } // if (x < maxX) // { // if (segment[x + 1, y] == 0) continue; // if (y > 0) if (segment[x + 1, y - 1] == 0) continue; // if (y < maxY) if (segment[x + 1, y + 1] == 0) continue; // } // if (y > 0) // { // if (segment[x, y - 1] == 0) continue; // } // if (y < maxY) // { // if (segment[x, y + 1] == 0) continue; // } // output.Add(minutia); // } // } // catch (Exception) // { // throw; // } // } // return output; //} public List <Minutia> FindMinutiae(float[] result, int rows, int columns, float[] orField, int orFieldRows, int orFieldColumns, int[,] mask) { var startImg = result.Make2D(rows, columns).Select2D(x => (double)x); var orField2D = orField.Make2D(orFieldRows, orFieldColumns).Select2D(x => (double)x); var minutiae = MinutiaeDetection.FindMinutiae(startImg); //-------------------------------- var trueMinutiae = new List <Minutia>(); for (int i = 0; i < minutiae.Count; i++) { if (mask[minutiae[i].Y / Constants.SegmentationWindowSize, minutiae[i].X / Constants.SegmentationWindowSize] != 0) { trueMinutiae.Add(minutiae[i]); } } minutiae = trueMinutiae; //-------------------------------- minutiae = MinutiaeDetection.FindBigMinutiae(minutiae); MinutiaeDirection.FindDirection(orField2D.Select2D(x => Math.PI - x), Constants.OrFieldWindowSize - Constants.OrFieldOverlap, minutiae, startImg.Select2D(x => (int)x), 4); return(minutiae); }
public void TestWithAdequateMinutiaeSet() { int[,] mask = Segmentator.Segmetator(img, windowSize, weight, threshold); double[,] binaryImage = img; // //--------------------------------------- double sigma = 1.4d; double[,] smoothing = LocalBinarizationCanny.Smoothing(binaryImage, sigma); double[,] sobel = LocalBinarizationCanny.Sobel(smoothing); double[,] nonMax = LocalBinarizationCanny.NonMaximumSupperession(sobel); nonMax = GlobalBinarization.Binarization(nonMax, 60); nonMax = LocalBinarizationCanny.Inv(nonMax); int sizeWin = 16; binaryImage = LocalBinarizationCanny.LocalBinarization(binaryImage, nonMax, sizeWin, 1.3d); //--------------------------------------- binaryImage = Thining.ThinPicture(binaryImage); //--------------------------------------- List <Minutia> minutiae = MinutiaeDetection.FindMinutiae(binaryImage); for (int i = 0; i < minutiae.Count; i++) { if (mask[minutiae[i].Y, minutiae[i].X] == 0) { minutiae.Remove(minutiae[i]); i--; } } minutiae = MinutiaeDetection.FindBigMinutiae(minutiae); var response = MCC.MCCMethod(minutiae, img.GetLength(0), img.GetLength(1)); SaveResponse(response, minutiae); }
public void TestMethod4() { //var img = ImageHelper.LoadImage(TestResource._104_6); var img = ImageHelper.LoadImage(TestResource.MinutiaeBigTest); var path = Path.GetTempPath() + "detection.png"; ImageHelper.MarkMinutiae(TestResource.MinutiaeBigTest, MinutiaeDetection.FindBigMinutiae(MinutiaeDetection.FindMinutiae(img)), path); //Trace.WriteLine(MinutiaeDetection.FindMinutiae(img)); //ImageHelper.SaveArray(Detection, path); Process.Start(path); }
public static List <CUDAFingerprinting.Common.Minutia> FindMinutiae(double[,] startImg, int rows, int columns, double[,] orField2D, int orFieldRows, int orFieldColumns, int[,] mask) { var minutiae = MinutiaeDetection.FindMinutiae(startImg); //-------------------------------- var trueMinutiae = new List <CUDAFingerprinting.Common.Minutia>(); for (int i = 0; i < minutiae.Count; i++) { if (mask[minutiae[i].Y / Constants.SegmentationWindowSize, minutiae[i].X / Constants.SegmentationWindowSize] != 0) { trueMinutiae.Add(minutiae[i]); } } minutiae = trueMinutiae; //-------------------------------- minutiae = MinutiaeDetection.FindBigMinutiae(minutiae); MinutiaeDirection.FindDirection(orField2D.Select2D(x => Math.PI - x), Constants.OrFieldWindowSize - Constants.OrFieldOverlap, minutiae, startImg.Select2D(x => (int)x), 4); return(minutiae); }
public void FindDirectionTest() { for (int cur = 1; cur <= 10; cur++) { double[,] startImg = ImageHelper.LoadImage(TestResource.SampleFinger2); int imgHeight = startImg.GetLength(0); int imgWidth = startImg.GetLength(1); //------------------------------- int[] mask = new int[imgHeight * imgWidth]; int windowSize = 12; float WeightConstant = 0.3F; int maskHeight = imgHeight / windowSize; int maskWidth = imgWidth / windowSize; float[] imgToSegmentator = new float[imgHeight * imgWidth]; for (int i = 0; i < imgHeight; i++) { for (int j = 0; j < imgWidth; j++) { imgToSegmentator[i * imgWidth + j] = (float)startImg[i, j]; } } CUDASegmentator(imgToSegmentator, imgWidth, imgHeight, WeightConstant, windowSize, mask, maskWidth, maskHeight); //---------------------------------- double sigma = 1.4d; double[,] smoothing = LocalBinarizationCanny.Smoothing(startImg, sigma); double[,] sobel = LocalBinarizationCanny.Sobel(smoothing); double[,] nonMax = LocalBinarizationCanny.NonMaximumSupperession(sobel); nonMax = GlobalBinarization.Binarization(nonMax, 60); nonMax = LocalBinarizationCanny.Inv(nonMax); int sizeWin = 16; startImg = LocalBinarizationCanny.LocalBinarization(startImg, nonMax, sizeWin, 1.3d); startImg = GlobalBinarization.Binarization(startImg, 140); //------------------------------- startImg = Thining.ThinPicture(startImg); //------------------------------- for (int i = 0; i < imgHeight; i++) { for (int j = 0; j < imgWidth; j++) { if (mask[i / windowSize * maskWidth + j / windowSize] == 0) { startImg[i, j] = 255; } } } //var path1 = System.IO.Path.GetTempPath() + "lol.png"; //ImageHelper.SaveArray(startImg, path1); //------------------------------- int[,] BinaryImage = ImageHelper.ConvertDoubleToInt(startImg); double[,] OrientationField = Common.OrientationField.OrientationFieldGenerator.GenerateOrientationField( BinaryImage); //------------------------------- Stopwatch sw = new Stopwatch(); List <Minutia> Minutiae = MinutiaeDetection.FindMinutiae(startImg); //-------------------------------- List <Minutia> TrueMinutiae = new List <Minutia>(); for (int i = 0; i < Minutiae.Count; i++) { if (mask[Minutiae[i].Y / windowSize * maskWidth + Minutiae[i].X / windowSize] != 0) { TrueMinutiae.Add(Minutiae[i]); } } Minutiae = TrueMinutiae; //-------------------------------- sw.Start(); Minutiae = MinutiaeDetection.FindBigMinutiae(Minutiae); sw.Stop(); //------------------------------- /*MinutiaeDirection.FindDirection(OrientationField, 16, Minutiae, BinaryImage, 1); * * //------------------------------- * * var path = "D:\\MyData\\Documents\\Results\\1\\" + cur + ".png"; * ImageHelper.MarkMinutiaeWithDirections(path1, Minutiae, path); * * //------------------------------- * * MinutiaeDirection.FindDirection(OrientationField, 16, Minutiae, BinaryImage, 4); * * //------------------------------- * * path = "D:\\MyData\\Documents\\Results\\2\\" + cur + ".png"; * ImageHelper.MarkMinutiaeWithDirections(path1, Minutiae, path); * * //------------------------------- * * MinutiaeDirection.FindDirection(OrientationField, 16, Minutiae, BinaryImage, 2); * * //------------------------------- * * path = "D:\\MyData\\Documents\\Results\\3\\" + cur + ".png"; * ImageHelper.MarkMinutiaeWithDirections(path1, Minutiae, path);*/ //------------------------------- MinutiaeDirection.FindDirection(OrientationField, 16, Minutiae, BinaryImage, 4); Trace.WriteLine(string.Format("Minutiae detection and direction took {0} ms", sw.ElapsedMilliseconds)); //------------------------------- var path = Path + Guid.NewGuid() + ".png"; ImageHelper.MarkMinutiaeWithDirections(TestResource.SampleFinger2, Minutiae, path); Process.Start(path); } }
private static void TestCUDADirections() { double[,] startImg = ImageHelper.LoadImage(Resources._7_6start); int imgHeight = startImg.GetLength(0); int imgWidth = startImg.GetLength(1); int[] mask = new int[imgHeight * imgWidth]; int windowSize = 12; float WeightConstant = 0.3F; int maskHeight = imgHeight / windowSize; int maskWidth = imgWidth / windowSize; float[] imgToSegmentator = new float[imgHeight * imgWidth]; for (int i = 0; i < imgHeight; i++) { for (int j = 0; j < imgWidth; j++) { imgToSegmentator[i * imgWidth + j] = (float)startImg[i, j]; } } CUDASegmentator(imgToSegmentator, imgWidth, imgHeight, WeightConstant, windowSize, mask, maskWidth, maskHeight); double[,] binaryImage = ImageHelper.LoadImage(Resources._7_6); //--------------------------------------- double sigma = 1.4d; double[,] smoothing = LocalBinarizationCanny.Smoothing(binaryImage, sigma); double[,] sobel = LocalBinarizationCanny.Sobel(smoothing); double[,] nonMax = LocalBinarizationCanny.NonMaximumSupperession(sobel); nonMax = GlobalBinarization.Binarization(nonMax, 60); nonMax = LocalBinarizationCanny.Inv(nonMax); int sizeWin = 16; binaryImage = LocalBinarizationCanny.LocalBinarization(binaryImage, nonMax, sizeWin, 1.3d); //--------------------------------------- binaryImage = Thining.ThinPicture(binaryImage); //--------------------------------------- List <Minutia> Minutiae = MinutiaeDetection.FindMinutiae(binaryImage); for (int i = 0; i < Minutiae.Count; i++) { if (mask[Minutiae[i].Y / windowSize * maskWidth + Minutiae[i].X / windowSize] == 0) { Minutiae.Remove(Minutiae[i]); i--; } } Minutiae = MinutiaeDetection.FindBigMinutiae(Minutiae); //-------------------------------------- int[,] intImage = ImageHelper.ConvertDoubleToInt(binaryImage); double[,] OrientationField = OrientationFieldGenerator.GenerateOrientationField(intImage); for (int i = 0; i < OrientationField.GetLength(0); i++) { for (int j = 0; j < OrientationField.GetLength(1); j++) { if (OrientationField[i, j] < 0) { OrientationField[i, j] += Math.PI; } } } //-------------------------------------- int orHeight = OrientationField.GetLength(0); int orWidth = OrientationField.GetLength(1); double[] myOrientationField = new double[orHeight * orWidth]; for (int i = 0; i < orHeight; i++) { for (int j = 0; j < orWidth; j++) { myOrientationField[i * orWidth + j] = OrientationField[i, j]; } } //--------------------------------------- int NoM = Minutiae.Count; int[] myMinutiae = new int[2 * NoM]; for (int i = 0; i < NoM; i++) { myMinutiae[2 * i] = Minutiae[i].X; myMinutiae[2 * i + 1] = Minutiae[i].Y; } //----------------------------------------------- double[] Directions = new double[NoM]; //------------------------------------------ int[] BinaryImage = new int[imgWidth * imgHeight]; for (int i = 0; i < imgHeight; i++) { for (int j = 0; j < imgWidth; j++) { BinaryImage[i * imgWidth + j] = intImage[i, j]; } } //---------------------------------------- FindDirection(myOrientationField, orHeight, orWidth, 16, myMinutiae, NoM, BinaryImage, imgHeight, imgWidth, Directions); for (int i = 0; i < NoM; i++) { var temp = Minutiae[i]; temp.Angle = Directions[i]; Minutiae[i] = temp; } var path1 = Path.GetTempPath() + "binaryImage.png"; ImageHelper.SaveArray(binaryImage, path1); var path2 = Path.GetTempPath() + "checkYourself.png"; ImageHelper.MarkMinutiaeWithDirections(path1, Minutiae, path2); Process.Start(path2); }