/// <summary>
/// val-->
/// </summary>
public static MyFilter HighPassKernel(int option)
{
MyFilter highPass = new MyFilter(3);
switch (option)
{
case 2:
highPass.setData(1);
highPass[1, 0] = -2;
highPass[0, 1] = -2;
highPass[1, 1] = 5;
highPass[2, 1] = -2;
highPass[1, 2] = -2;
return(highPass);
case 1:
highPass.setData(-1);
highPass[1, 1] = 9;
return(highPass);
case 0:
default:
highPass[1, 0] = -1;
highPass[0, 1] = -1;
highPass[1, 1] = 5;
highPass[2, 1] = -1;
highPass[1, 2] = -1;
return(highPass);
}
}
private static byte[] ROBERT_Y(BitmapData data, int x, int y, BorderMethod borderMethod, MyFilter filter)
{//SOBEL Y , not use filter
byte[] output = new byte[3];
MyFilterData kernel = new MyFilterData();
kernel.fill(data, x, y, borderMethod, MyFilter.GradientKernel(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.Y));
return(kernel.count(1.0));
}
private static byte[] ROBERT_BOTH(BitmapData data, int x, int y, BorderMethod borderMethod, MyFilter filter)
{//SOBEL BOTH , not use filter
byte[] output = new byte[3];
MyFilterData kernel1 = new MyFilterData();
MyFilterData kernel2 = new MyFilterData();
kernel1.fill(data, x, y, borderMethod, MyFilter.GradientKernel(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.X));
kernel2.fill(data, x, y, borderMethod, MyFilter.GradientKernel(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.Y));
return(MyFilterData.add(kernel1, kernel2).countAbs(1.0));
}
/// <summary>
/// operate-->
/// </summary>
public static MyFilter add(MyFilter left, MyFilter right)
{
MyFilter newFilter = new MyFilter(left.size);
for (int j = 0; j < newFilter.size; j++)
{
for (int i = 0; i < newFilter.size; i++)
{
newFilter[i, j] = left[i, j] + right[i, j];
}
}
return(newFilter);
}
public void fill(BitmapData src, int x, int y, MyFilter.BorderMethod borderMethod)
{
int startX = x - Size / 2;
int startY = y - Size / 2;
for (int j = 0; j < Size; j++)
{
for (int i = 0; i < Size; i++)
{
_pixels[i, j] = MyFilter.getPixel(src, startX + i, startY + j, borderMethod, 1.0)[0];
}
}
}
protected virtual void button1_Click(object sender, EventArgs e)
{
MyFilter.FilterCount countMethod = null;
double SNR = 0.0;
double costTime = 0;
if (radioButton1.Checked)
{
countMethod = MyFilter.meanBlur;
}
else if (radioButton2.Checked)
{
countMethod = MyFilter.medianBlur;
}
else if (radioButton3.Checked)
{
countMethod = MyFilter.pseudoMedianBlur;
}
DateTime curTime = DateTime.Now;
MyFilter filter = new MyFilter(trackBar1.Value);
if (radioButton4.Checked)//rect
{
filter.setData(1.0);
}
else if (radioButton5.Checked)
{//cross
filter.setData(Double.NegativeInfinity);
if (trackBar1.Value % 2 == 0)
{//even
int st, ed;
ed = trackBar1.Value / 2;
st = ed - 1;
filter.setData(st, 0, ed, trackBar1.Value - 1, 1.0);
filter.setData(0, st, trackBar1.Value - 1, ed, 1.0);
}
else
{//odd
int t = trackBar1.Value / 2;
filter.setData(t, 0, t, trackBar1.Value - 1, 1.0);
filter.setData(0, t, trackBar1.Value - 1, t, 1.0);
}
}
countOutView = MyDeal.filter2D(imgView, MyFilter.BorderMethod.NULL, countMethod, filter, progress);
outView = countOutView;
costTime = DateTime.Now.Subtract(curTime).TotalMilliseconds;
SNR = MyDeal.SNR(imgView, outView);
textBox2.Lines = countInfo(countMethod, trackBar1.Value, SNR, costTime);
}
public void draw(BitmapData src, int startX, int startY)
{
double[] pixel = new double[3];
for (int j = 0; j < Size; j++)
{
for (int i = 0; i < Size; i++)
{
for (int c = 0; c < 3; c++)
{
pixel[c] = _pixels[i, j];
}
MyFilter.setPixel(src, startX + i, startY + j, pixel);
}
}
}
public int fill(BitmapData srx, int x, int y, BorderMethod borderMethod, MyFilter filter)
{
int size = filter.size;
_data = new double[size, size][];
int startX = x - size / 2;
int startY = y - size / 2;
int pixels = 0;
for (int j = 0; j < size; j++)
{
for (int i = 0; i < size; i++)
{
_data[i, j] = getPixel(srx, startX + i, startY + j, borderMethod, filter[i, j]);
if (_data[i, j] != null)
{
pixels++;
}
}
}
return(pixels);
}
private void trackBar1_ValueChanged(object sender, EventArgs e)
{
countFilter = MyFilter.HighPassKernel(comboBox1.SelectedIndex);
countFilter[1, 1] = (1 + (double)trackBar1.Value / 100) * countFilter[1, 1] - 1;
setMaskView();
}
public static MyFilter GradientKernel(GradientOperator operate, GradientDirect direct)
{// please not use MyFilter.GradientDirect.BOTH
MyFilter kernel = null;
switch (operate)
{
case MyFilter.GradientOperator.SOBEL:
kernel = new MyFilter(3);
switch (direct)
{
case MyFilter.GradientDirect.X:
if (_SOBEL_X == null)
{
kernel[0, 0] = 1;
kernel[2, 0] = -1;
kernel[0, 1] = 2;
kernel[2, 1] = -2;
kernel[0, 2] = 1;
kernel[2, 2] = -1;
_SOBEL_X = kernel;
return(kernel);
}
else
{
return(_SOBEL_X);
}
case MyFilter.GradientDirect.Y:
if (_SOBEL_Y == null)
{
kernel[0, 0] = 1;
kernel[1, 0] = 2;
kernel[2, 0] = 1;
kernel[0, 2] = -1;
kernel[1, 2] = -2;
kernel[2, 2] = -1;
_SOBEL_Y = kernel;
return(kernel);
}
else
{
return(_SOBEL_Y);
}
}
break;
case MyFilter.GradientOperator.PREWITT:
kernel = new MyFilter(3);
switch (direct)
{
case MyFilter.GradientDirect.X:
if (_PREWITT_X == null)
{
kernel[0, 0] = 1;
kernel[2, 0] = -1;
kernel[0, 1] = 1;
kernel[2, 1] = -1;
kernel[0, 2] = 1;
kernel[2, 2] = -1;
_PREWITT_X = kernel;
return(kernel);
}
else
{
return(_PREWITT_X);
}
case MyFilter.GradientDirect.Y:
if (_PREWITT_Y == null)
{
kernel[0, 0] = 1;
kernel[1, 0] = 1;
kernel[2, 0] = 1;
kernel[0, 2] = -1;
kernel[1, 2] = -1;
kernel[2, 2] = -1;
_PREWITT_Y = kernel;
return(kernel);
}
else
{
return(_PREWITT_Y);
}
}
break;
case MyFilter.GradientOperator.ROBERT:
kernel = new MyFilter(2);
switch (direct)
{
case MyFilter.GradientDirect.X:
if (_ROBERT_X == null)
{
kernel[0, 0] = -1;
kernel[1, 0] = 0;
kernel[0, 1] = 0;
kernel[1, 1] = 1;
_ROBERT_X = kernel;
return(kernel);
}
else
{
return(_ROBERT_X);
}
case MyFilter.GradientDirect.Y:
if (_ROBERT_Y == null)
{
kernel[0, 0] = 0;
kernel[1, 0] = -1;
kernel[0, 1] = 1;
kernel[1, 1] = 0;
_ROBERT_Y = kernel;
return(kernel);
}
else
{
return(_ROBERT_Y);
}
}
break;
}
return(kernel);
}
public static byte[] highBoost(BitmapData data, int x, int y, BorderMethod borderMethod, MyFilter filter)
{//this is a FilterCount, Mean Blur
byte[] output = new byte[3];
int size = filter.size;
if (size <= 1)
{
return(getPixel(data, x, y, borderMethod));
}
else
{
MyFilterData kernel = new MyFilterData();
kernel.fill(data, x, y, borderMethod, filter);
double weightSize = 0;
int targetPoint = filter.size / 2;
for (int j = 0; j < filter.size; j++)
{
for (int i = 0; i < filter.size; i++)
{
if ((i != targetPoint) || (j != targetPoint))//ignore kernel target
{
weightSize += filter[i, j];
}
}
}
weightSize = 1 - weightSize;
if (weightSize <= 0)
{
throw new DivideByZeroException("high boost weightSize 0");
}
return(kernel.countAbs(1.0 / weightSize));
}
}
public static byte[] outlier(BitmapData data, int x, int y, BorderMethod borderMethod, MyFilter filter)
{//this is a FilterCount, Mean Blur
byte[] output = new byte[3];
int size = filter.size;
if (size <= 1)
{
return(getPixel(data, x, y, borderMethod));
}
else
{
int targetPoint = filter.size / 2;
double cleanValue = filter[targetPoint, targetPoint];
filter[targetPoint, targetPoint] = 0;// remove clean value
MyFilterData kernel = new MyFilterData();
kernel.fill(data, x, y, borderMethod, filter);
filter[targetPoint, targetPoint] = cleanValue;// recover clean value
double weightSize = size * size - 1;
if (weightSize <= 0)
{
throw new DivideByZeroException("outlier weightSize 0");
}
output = kernel.count(1.0 / weightSize);
byte[] originPixel = getPixel(data, x, y, borderMethod);
for (int i = 0; i < 3; i++)
{
if (Math.Abs(output[i] - originPixel[i]) > Math.Abs(cleanValue))
{
output[i] = originPixel[i];
}
}
return(output);
}
}
public static byte[] pseudoMedianBlur(BitmapData data, int x, int y, BorderMethod borderMethod, MyFilter filter)
{//this is a FilterCount, Mean Blur
byte[] output = new byte[3];
int size = filter.size;
if (size <= 1)
{
return(getPixel(data, x, y, borderMethod));
}
else
{
MyFilterData kernel = new MyFilterData();
int pixels = 0;
pixels = kernel.fill(data, x, y, borderMethod, filter);
List <double>[] sortList = kernel.sort();
double[] pixel = new double[3];
pixel[0] = sortList[0].ElementAt <double>(sortList[0].Count / 2);
pixel[1] = sortList[1].ElementAt <double>(sortList[1].Count / 2);
pixel[2] = sortList[2].ElementAt <double>(sortList[2].Count / 2);
return(MyFilterData.boundPixel(pixel));
}
}
public static byte[] meanBlur(BitmapData data, int x, int y, BorderMethod borderMethod, MyFilter filter)
{//this is a FilterCount, Mean Blur
byte[] output = new byte[3];
int size = filter.size;
if (size <= 1)
{
return(getPixel(data, x, y, borderMethod));
}
else
{
MyFilterData kernel = new MyFilterData();
int pixels = 0;
pixels = kernel.fill(data, x, y, borderMethod, filter);
if (pixels <= 0)
{
throw new DivideByZeroException("blur pixel size 0");
}
return(kernel.count(1.0 / pixels));
}
}
private void button1_Click(object sender, EventArgs e)
{
MyFilter.FilterCount countMethod = null;
switch (comboBox1.SelectedIndex)
{ //operate
case 0: //SOBEL
switch (comboBox2.SelectedIndex)
{ //direct
case 0: //BOTH
countMethod = MyFilter.gradient(MyFilter.GradientOperator.SOBEL, MyFilter.GradientDirect.BOTH);
break;
case 1: //X
countMethod = MyFilter.gradient(MyFilter.GradientOperator.SOBEL, MyFilter.GradientDirect.X);
break;
case 2: //Y
countMethod = MyFilter.gradient(MyFilter.GradientOperator.SOBEL, MyFilter.GradientDirect.Y);
break;
}
break;
case 1: //PREWITT
switch (comboBox2.SelectedIndex)
{ //direct
case 0: //BOTH
countMethod = MyFilter.gradient(MyFilter.GradientOperator.PREWITT, MyFilter.GradientDirect.BOTH);
break;
case 1: //X
countMethod = MyFilter.gradient(MyFilter.GradientOperator.PREWITT, MyFilter.GradientDirect.X);
break;
case 2: //Y
countMethod = MyFilter.gradient(MyFilter.GradientOperator.PREWITT, MyFilter.GradientDirect.Y);
break;
}
break;
case 2: //ROBERT
switch (comboBox2.SelectedIndex)
{ //direct
case 0: //BOTH
countMethod = MyFilter.gradient(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.BOTH);
break;
case 1: //X
countMethod = MyFilter.gradient(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.X);
break;
case 2: //Y
countMethod = MyFilter.gradient(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.Y);
break;
}
break;
}
double SNR = 0.0;
double costTime = 0;
DateTime curTime = DateTime.Now;
outView = MyDeal.filter2D(imgView, MyFilter.BorderMethod.NEAR, countMethod, null, progress);
costTime = DateTime.Now.Subtract(curTime).TotalMilliseconds;
SNR = MyDeal.SNR(imgView, outView);
textBox1.Lines = countInfo(comboBox1.Text, comboBox2.Text, SNR, costTime);
}
private void comboBox_SelectedIndexChanged(object sender, EventArgs e)
{
switch (comboBox1.SelectedIndex)
{ //operate
case 0: //SOBEL
switch (comboBox2.SelectedIndex)
{ //direct
case 0: //BOTH
countFilter = new MyFilter(3);
setMaskView();
break;
case 1: //X
countFilter = MyFilter.GradientKernel(MyFilter.GradientOperator.SOBEL, MyFilter.GradientDirect.X);
setMaskView();
break;
case 2: //Y
countFilter = MyFilter.GradientKernel(MyFilter.GradientOperator.SOBEL, MyFilter.GradientDirect.Y);
setMaskView();
break;
}
break;
case 1: //PREWITT
switch (comboBox2.SelectedIndex)
{ //direct
case 0: //BOTH
countFilter = new MyFilter(3);
setMaskView();
break;
case 1: //X
countFilter = MyFilter.GradientKernel(MyFilter.GradientOperator.PREWITT, MyFilter.GradientDirect.X);
setMaskView();
break;
case 2: //Y
countFilter = MyFilter.GradientKernel(MyFilter.GradientOperator.PREWITT, MyFilter.GradientDirect.Y);
setMaskView();
break;
}
break;
case 2: //ROBERT
switch (comboBox2.SelectedIndex)
{ //direct
case 0: //BOTH
countFilter = new MyFilter(2);
setMaskView();
break;
case 1: //X
countFilter = MyFilter.GradientKernel(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.X);
setMaskView();
break;
case 2: //Y
countFilter = MyFilter.GradientKernel(MyFilter.GradientOperator.ROBERT, MyFilter.GradientDirect.Y);
setMaskView();
break;
}
break;
}
}