private static Bitmap BrightTransformationHelper(Bitmap img, string operation, BrightConvPlane plane, double constOne, double constTwo)
{
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
int[,] resultR = new int[img.Height, img.Width];
int[,] resultG = new int[img.Height, img.Width];
int[,] resultB = new int[img.Height, img.Width];
List <ArraysListInt> ColorList = Helpers.GetPixels(img);
if (constOne > 0 && constTwo > 0)
{
if (!Checks.BinaryInput(img))
{
if (Depth == 8)
{
if (operation == "stretch")
{
resultR = ColorList[0].Color.StretchContrastFunc(constOne, constTwo);
}
else if (operation == "log")
{
resultR = ColorList[0].Color.LogTransformationFunc(constOne);
}
else if (operation == "gamma")
{
resultR = ColorList[0].Color.GammaCorrectionFunc(constOne, constTwo);
}
resultG = resultR; resultB = resultR;
}
else
{
switch (plane)
{
case BrightConvPlane.Rplane: //R plane
if (operation == "stretch")
{
resultR = ColorList[0].Color.StretchContrastFunc(constOne, constTwo);
}
else if (operation == "log")
{
resultR = ColorList[0].Color.LogTransformationFunc(constOne);
}
else if (operation == "gamma")
{
resultR = ColorList[0].Color.GammaCorrectionFunc(constOne, constTwo);
}
resultG = ColorList[1].Color; resultB = ColorList[2].Color;
break;
case BrightConvPlane.Gplane: //G plane
if (operation == "stretch")
{
resultG = ColorList[1].Color.StretchContrastFunc(constOne, constTwo);
}
else if (operation == "log")
{
resultG = ColorList[1].Color.LogTransformationFunc(constOne);
}
else if (operation == "gamma")
{
resultG = ColorList[1].Color.GammaCorrectionFunc(constOne, constTwo);
}
resultR = ColorList[0].Color; resultB = ColorList[2].Color;
break;
case BrightConvPlane.Bplane: //B plane
if (operation == "stretch")
{
resultB = ColorList[2].Color.StretchContrastFunc(constOne, constTwo);
}
else if (operation == "log")
{
resultB = ColorList[2].Color.LogTransformationFunc(constOne);
}
else if (operation == "gamma")
{
resultB = ColorList[2].Color.GammaCorrectionFunc(constOne, constTwo);
}
resultR = ColorList[0].Color; resultG = ColorList[1].Color;
break;
case BrightConvPlane.RGB:
if (operation == "stretch")
{
resultR = ColorList[0].Color.StretchContrastFunc(constOne, constTwo);
resultG = ColorList[1].Color.StretchContrastFunc(constOne, constTwo);
resultB = ColorList[2].Color.StretchContrastFunc(constOne, constTwo);
}
else if (operation == "log")
{
resultR = ColorList[0].Color.LogTransformationFunc(constOne);
resultG = ColorList[1].Color.LogTransformationFunc(constOne);
resultB = ColorList[2].Color.LogTransformationFunc(constOne);
}
else if (operation == "gamma")
{
resultR = ColorList[0].Color.GammaCorrectionFunc(constOne, constTwo);
resultG = ColorList[1].Color.GammaCorrectionFunc(constOne, constTwo);
resultB = ColorList[2].Color.GammaCorrectionFunc(constOne, constTwo);
}
break;
}
}
image = Helpers.SetPixels(image, resultR, resultG, resultB);
if (Depth == 8)
{
image = PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
}
else
{
Console.WriteLine("What did you expected to make log transformation with binary image? Return black square.");
}
}
else
{
Console.WriteLine("Input constants must be positive value. Return black square.");
}
return(image);
}
////Equalize histogram for image brocess
private static Bitmap EqualizeHelper(Bitmap img, HisteqColorSpace cSpace)
{
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
List <ArraysListInt> Result = new List <ArraysListInt>();
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
if (!Checks.BinaryInput(img))
{
List <ArraysListInt> ColorList = Helpers.GetPixels(img);
//obtain histogram in choosen color space
switch (cSpace)
{
case HisteqColorSpace.RGB:
if (Depth == 8)
{
var bw = HisteqHelper(ColorList[0].Color);
Result.Add(new ArraysListInt()
{
Color = bw
}); Result.Add(new ArraysListInt()
{
Color = bw
});
Result.Add(new ArraysListInt()
{
Color = bw
});
}
else
{
Result.Add(new ArraysListInt()
{
Color = HisteqHelper(ColorList[0].Color)
});
Result.Add(new ArraysListInt()
{
Color = HisteqHelper(ColorList[1].Color)
});
Result.Add(new ArraysListInt()
{
Color = HisteqHelper(ColorList[2].Color)
});
}
break;
case HisteqColorSpace.HSV:
var hsv = RGBandHSV.RGB2HSV(img);
var hsv_temp = HisteqHelper((hsv[2].Color).ImageDoubleToUint8());
//Filter by V - Value (Brightness/яркость)
//artificially if V > 1; make him 1
Result = RGBandHSV.HSV2RGB(hsv[0].Color, hsv[1].Color, hsv_temp.ImageUint8ToDouble().ToBorderGreaterZero(1));
break;
case HisteqColorSpace.Lab:
var lab = RGBandLab.RGB2Lab(img);
var lab_temp = HisteqHelper((lab[0].Color).ArrayToUint8());
//Filter by L - lightness
Result = RGBandLab.Lab2RGB(lab_temp.ArrayToDouble().ToBorderGreaterZero(255), lab[1].Color, lab[2].Color);
break;
case HisteqColorSpace.fakeCIE1976L:
var fakeCIE1976L = RGBandLab.RGB2Lab1976(img);
var fakeCIE1976L_temp = HisteqHelper(fakeCIE1976L[0].Color.ArrayToUint8());
//Filter by L - lightness
Result = RGBandLab.Lab1976toRGB(fakeCIE1976L_temp.ArrayToDouble(), fakeCIE1976L[1].Color, fakeCIE1976L[2].Color);
break;
}
image = Helpers.SetPixels(image, Result[0].Color, Result[1].Color, Result[2].Color);
if (Depth == 8)
{
image = PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
}
else
{
Console.WriteLine("What did you expected to HistogramEqualization binaty image? Return black square.");
}
return(image);
}
//
private static void LittleEdgeMethodVariant(Bitmap img, Edgevariant variant, double threshold)
{
string imgExtension = GetImageInfo.Imginfo(Imageinfo.Extension);
string imgName = GetImageInfo.Imginfo(Imageinfo.FileName);
string defPath = GetImageInfo.MyPath("Segmentation\\Edge");
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
int[,] result = new int[img.Height, img.Width];
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
string outName = String.Empty;
double scale = 4; // for calculating the automatic threshold
var imArray = MoreHelpers.BlackandWhiteProcessHelper(img);
if ((imArray.GetLength(0) > 1 && imArray.GetLength(1) > 1) && (threshold >= 0 && threshold <= 1) && !(Checks.BinaryInput(img) && threshold == 0))
{
if (variant == Edgevariant.var1)
{
result = EdgeHelperv1(scale, imArray, threshold, ImageFilter.Dx3FWindow("Sobel"), ImageFilter.Dx3FWindow("SobelT"), 8,
EdgeDirection.both, imgName, imgExtension, EdgeTempName._EdgeDefaultVar1_temp);
if (threshold == 0)
{
outName = defPath + imgName + "_EdgeDefV1" + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgeDefV1" + "Th_" + threshold.ToString() + imgExtension;
}
}
else
{
result = EdgeHelperv2(scale, imArray, threshold, ImageFilter.Dx3FWindow("Sobel"), ImageFilter.Dx3FWindow("SobelT"), 8, EdgeDirection.both);
if (threshold == 0)
{
outName = defPath + imgName + "_EdgeDefV2" + imgExtension;
}
else
{
outName = defPath + imgName + "_EdgeDefV2" + "Th_" + threshold.ToString() + imgExtension;
}
}
image = Helpers.SetPixels(image, result, result, result);
if (Depth == 8)
{
PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
Helpers.SaveOptions(image, outName, imgExtension);
}
else
{
Console.WriteLine("Threshold must be in range [0..1]." +
"\nOr may be Binary image at input and threshold = 0 - can`t process with such condition.");
}
}
private static Bitmap GraythreshProcess(Bitmap img, Bitmap adaptOrig, bool adaptive)
{
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
int[,] result = new int[img.Height, img.Width];
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
if (!Checks.BinaryInput(img))
{
var im = MoreHelpers.BlackandWhiteProcessHelper(img);
if (im.GetLength(0) > 1 && im.GetLength(1) > 1)
{
double T = 0.5 * (im.Cast <int>().ToArray().Min() + im.Cast <int>().ToArray().Max());
bool done = false;
double Tnext = 0;
List <double> tempTrue = new List <double>();
List <double> tempFalse = new List <double>();
while (!done)
{
for (int i = 0; i < im.GetLength(0); i++)
{
for (int j = 0; j < im.GetLength(1); j++)
{
if (im[i, j] >= T)
{
tempTrue.Add(im[i, j]);
}
else
{
tempFalse.Add(im[i, j]);
}
}
}
Tnext = 0.5 * (tempTrue.Average() + tempFalse.Average());
if (Math.Abs(T - Tnext) < 0.5)
{
done = true;
}
T = Tnext;
tempTrue = new List <double>();
tempFalse = new List <double>();
}
if (adaptive)
{
im = im.ArraySumWithConst(T);
var origCheck = MoreHelpers.BlackandWhiteProcessHelper(adaptOrig);
for (int i = 0; i < im.GetLength(0); i++)
{
for (int j = 0; j < im.GetLength(1); j++)
{
if (origCheck[i, j] > im[i, j])
{
result[i, j] = 255;
}
else
{
result[i, j] = 0;
}
}
}
}
else
{
for (int i = 0; i < im.GetLength(0); i++)
{
for (int j = 0; j < im.GetLength(1); j++)
{
if (im[i, j] > T)
{
result[i, j] = 255;
}
else
{
result[i, j] = 0;
}
}
}
}
image = Helpers.SetPixels(image, result, result, result);
if (Depth == 8)
{
image = PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
}
}
else
{
Console.WriteLine("What did you expected to make Graythresh with binary image? Return black square.");
}
return(image);
}
//
private static Bitmap FSpecialHelper(Bitmap img, double[,] filter, FSpecialColorSpace cSpace, FSpecialFilterType filterType)
{
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
List <ArraysListInt> Result = new List <ArraysListInt>();
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
double[,] Resultemp;
if (!Checks.BinaryInput(img))
{
List <ArraysListInt> ColorList = Helpers.GetPixels(img);
//sharp in choosen color space
switch (cSpace)
{
case FSpecialColorSpace.RGB:
if (Depth == 8)
{
var bw = FSpecialFilterHelper(ColorList[0].Color.ArrayToDouble(), filter, filterType).ArrayToUint8();
Result.Add(new ArraysListInt()
{
Color = bw
}); Result.Add(new ArraysListInt()
{
Color = bw
});
Result.Add(new ArraysListInt()
{
Color = bw
});
}
else
{
Result.Add(new ArraysListInt()
{
Color = FSpecialFilterHelper(ColorList[0].Color.ArrayToDouble(), filter, filterType).ArrayToUint8()
}); //R
Result.Add(new ArraysListInt()
{
Color = FSpecialFilterHelper(ColorList[1].Color.ArrayToDouble(), filter, filterType).ArrayToUint8()
}); //G
Result.Add(new ArraysListInt()
{
Color = FSpecialFilterHelper(ColorList[2].Color.ArrayToDouble(), filter, filterType).ArrayToUint8()
}); //B
}
break;
case FSpecialColorSpace.HSV:
var hsvd = RGBandHSV.RGB2HSV(img);
var hsvd_temp = FSpecialFilterHelper((hsvd[2].Color).ArrayMultByConst(100), filter, filterType);
//Filter by V - Value (Brightness/яркость)
//artificially if V > 1, make him 1
Resultemp = hsvd_temp.ArrayDivByConst(100).ToBorderGreaterZero(1);
Result = RGBandHSV.HSV2RGB(hsvd[0].Color, hsvd[1].Color, Resultemp);
break;
case FSpecialColorSpace.Lab:
var labd = RGBandLab.RGB2Lab(img);
var labd_temp = FSpecialFilterHelper(labd[0].Color, filter, filterType);
//Filter by L - lightness
Result = RGBandLab.Lab2RGB(labd_temp.ToBorderGreaterZero(255), labd[1].Color, labd[2].Color);
break;
}
image = Helpers.SetPixels(image, Result[0].Color, Result[1].Color, Result[2].Color);
if (Depth == 8)
{
image = PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
}
else
{
Console.WriteLine("I don`t wont process binary image. Return black rectangle.");
}
return(image);
}
//image smoothing by entered size for average filter process
private static Bitmap SmoothHelper(Bitmap img, int m, int n, SmoothInColorSpace cSpace)
{
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
List <ArraysListInt> Result = new List <ArraysListInt>();
double[,] filter;
if (!Checks.BinaryInput(img))
{
List <ArraysListInt> ColorList = Helpers.GetPixels(img);
if (m >= 1 && n >= 1)
{
//create average filter by entered size
filter = ImageFilter.FspecialSize(m, n, "average");
//smooth in choosen color space
switch (cSpace)
{
case SmoothInColorSpace.RGB:
if (Depth == 8)
{
var bw = ImageFilter.Filter_double(ColorList[0].Color, filter).ArrayToUint8();
Result.Add(new ArraysListInt()
{
Color = bw
}); Result.Add(new ArraysListInt()
{
Color = bw
});
Result.Add(new ArraysListInt()
{
Color = bw
});
}
else
{
Result.Add(new ArraysListInt()
{
Color = ImageFilter.Filter_double(ColorList[0].Color, filter).ArrayToUint8()
});
Result.Add(new ArraysListInt()
{
Color = ImageFilter.Filter_double(ColorList[1].Color, filter).ArrayToUint8()
});
Result.Add(new ArraysListInt()
{
Color = ImageFilter.Filter_double(ColorList[2].Color, filter).ArrayToUint8()
});
}
break;
case SmoothInColorSpace.HSV:
var hsv = RGBandHSV.RGB2HSV(img);
var hsv_temp = ImageFilter.Filter_double(hsv[2].Color, filter, PadType.replicate);
//Filter by V - Value (Brightness/яркость)
//artificially if V > 1; make him 1
Result = RGBandHSV.HSV2RGB(hsv[0].Color, hsv[1].Color, hsv_temp.ToBorderGreaterZero(1));
break;
case SmoothInColorSpace.Lab:
var lab = RGBandLab.RGB2Lab(img);
var lab_temp = ImageFilter.Filter_double(lab[0].Color, filter, PadType.replicate);
//Filter by L - lightness
Result = RGBandLab.Lab2RGB(lab_temp.ToBorderGreaterZero(255), lab[1].Color, lab[2].Color);
break;
case SmoothInColorSpace.fakeCIE1976L:
var fakeCIE1976L = RGBandLab.RGB2Lab1976(img);
var fakeCIE1976L_temp = ImageFilter.Filter_double(fakeCIE1976L[0].Color, filter, PadType.replicate);
//Filter by L - lightness
Result = RGBandLab.Lab1976toRGB(fakeCIE1976L_temp, fakeCIE1976L[1].Color, fakeCIE1976L[2].Color);
break;
}
image = Helpers.SetPixels(image, Result[0].Color, Result[1].Color, Result[2].Color);
if (Depth == 8)
{
image = PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
}
else
{
Console.WriteLine("m and n parameters must be positive and greater or equal 1. Recommended 2 & 2 and higher. Method >Smooth<. Return black square.");
}
}
else
{
Console.WriteLine("What did you expected to smooth binaty image? Return black square.");
}
return(image);
}
//Sharpen process in selected color space
private static Bitmap SharpHelper(Bitmap img, UnSharpInColorSpace cSpace, SharpFilterType filterType)
{
Bitmap image = new Bitmap(img.Width, img.Height, PixelFormat.Format24bppRgb);
List <ArraysListInt> Result = new List <ArraysListInt>();
double Depth = System.Drawing.Image.GetPixelFormatSize(img.PixelFormat);
double[,] Resultemp;
if (!Checks.BinaryInput(img))
{
List <ArraysListInt> ColorList = Helpers.GetPixels(img);
//sharp in choosen color space
switch (cSpace)
{
case UnSharpInColorSpace.RGB:
if (Depth == 8)
{
var bw = UnSharpHelperInt(ColorList[0].Color, filterType.ToString());
Result.Add(new ArraysListInt()
{
Color = bw
}); Result.Add(new ArraysListInt()
{
Color = bw
});
Result.Add(new ArraysListInt()
{
Color = bw
});
}
else
{
Result.Add(new ArraysListInt()
{
Color = UnSharpHelperInt(ColorList[0].Color, filterType.ToString())
}); //R
Result.Add(new ArraysListInt()
{
Color = UnSharpHelperInt(ColorList[1].Color, filterType.ToString())
}); //G
Result.Add(new ArraysListInt()
{
Color = UnSharpHelperInt(ColorList[2].Color, filterType.ToString())
}); //B
}
break;
case UnSharpInColorSpace.HSVi:
var hsvi = RGBandHSV.RGB2HSV(img);
var hsvi_temp = UnSharpHelperInt(((hsvi[2].Color).ArrayMultByConst(100).ArrayToUint8()), filterType.ToString());
//Filter by V - Value (Brightness/яркость)
Resultemp = hsvi_temp.ArrayToDouble().ArrayDivByConst(100).ToBorderGreaterZero(1);
Result = RGBandHSV.HSV2RGB(hsvi[0].Color, hsvi[1].Color, Resultemp);
break;
case UnSharpInColorSpace.HSVd:
var hsvd = RGBandHSV.RGB2HSV(img);
var hsvd_temp = UnSharpHelperDouble((hsvd[2].Color).ArrayMultByConst(100), filterType.ToString());
//Filter by V - Value (Brightness/яркость)
//artificially if V > 1, make him 1
Resultemp = hsvd_temp.ArrayDivByConst(100).ToBorderGreaterZero(1);
Result = RGBandHSV.HSV2RGB(hsvd[0].Color, hsvd[1].Color, Resultemp);
break;
case UnSharpInColorSpace.Labi:
var labi = RGBandLab.RGB2Lab(img);
var labi_temp = UnSharpHelperInt((labi[0].Color).ArrayToUint8(), filterType.ToString());
//Filter by L - lightness
Result = RGBandLab.Lab2RGB(labi_temp.ArrayToDouble(), labi[1].Color, labi[2].Color);
break;
case UnSharpInColorSpace.Labd:
var labd = RGBandLab.RGB2Lab(img);
var labd_temp = UnSharpHelperDouble(labd[0].Color, filterType.ToString());
//Filter by L - lightness
Result = RGBandLab.Lab2RGB(labd_temp.ToBorderGreaterZero(255), labd[1].Color, labd[2].Color);
break;
case UnSharpInColorSpace.fakeCIE1976Labi:
var fakeCIE1976abLi = RGBandLab.RGB2Lab1976(img);
var fakeCIE1976Labi_temp = UnSharpHelperInt((fakeCIE1976abLi[0].Color).ArrayToUint8(), filterType.ToString());
//Filter by L - lightness
Result = RGBandLab.Lab1976toRGB(fakeCIE1976Labi_temp.ArrayToDouble(), fakeCIE1976abLi[1].Color, fakeCIE1976abLi[2].Color);
break;
case UnSharpInColorSpace.fakeCIE1976Labd:
var fakeCIE1976Labd = RGBandLab.RGB2Lab1976(img);
var fakeCIE1976Labd_temp = UnSharpHelperDouble((fakeCIE1976Labd[0].Color), filterType.ToString());
//Filter by L - lightness
Result = RGBandLab.Lab1976toRGB(fakeCIE1976Labd_temp.ToBorderGreaterZero(255), fakeCIE1976Labd[1].Color, fakeCIE1976Labd[2].Color);
break;
}
image = Helpers.SetPixels(image, Result[0].Color, Result[1].Color, Result[2].Color);
if (Depth == 8)
{
image = PixelFormatWorks.Bpp24Gray2Gray8bppBitMap(image);
}
}
else
{
Console.WriteLine("What did you expected to sharp binary image? Return black rectangle.");
}
return(image);
}
