private void button1_Click(object sender, EventArgs e)
{
threshold = (byte)numericUpDown1.Value;
long i, j, pos;
tempImageB = new byte[pImage.MBData];
for (i = 0; i < pImage.MHeight; i++)
{
for (j = 0; j < pImage.MWidth; j++)
{
pos = i * pImage.MBWidth + j;
tempImageB[pos] = pImage.ImageB[pos];
if (pImage.ImageB[pos] >= threshold)
{
pImage.ImageB[pos] = 255;
}
else if (pImage.ImageB[pos] < threshold)
{
pImage.ImageB[pos] = 0;
}
}
}
pImage.putBitMapData();
mainFF.Refresh();
try
{
mainFF.HistForm.Refresh();
mainFF.GTFrom.Refresh();
}
catch { }
}
private void button1_Click(object sender, EventArgs e)
{
long i, j, pos;
double cosA, sinA;
sumA = sumA + (double)numericUpDown1.Value;
double x0 = (long)(pImage.MWidth - 1) / 2;
double y0 = (long)(pImage.MHeight - 1) / 2;
double Pi = Math.PI;
cosA = Math.Cos(sumA * Pi / 180);
sinA = Math.Sin(sumA * Pi / 180);
tspBar.Maximum = (int)(pImage.MBData);
tspBar.Minimum = 0;
for (i = 0; i < pImage.MHeight; i++)
{
for (j = 0; j < pImage.MWidth; j++)
{
pos = i * pImage.MBWidth + j;
tspBar.Value = (int)pos;
if (radioButton1.Checked == true)
{
pImage.ImageB[pos] = nearestEle(cosA, sinA, i, j, x0, y0);
}
if (radioButton2.Checked == true)
{
pImage.ImageB[pos] = bilinearInterpolation(cosA, sinA, i, j, x0, y0);
}
}
}
pImage.putBitMapData();
tspBar.Value = 0;
mainFF.Refresh();
}
private void pictureRGB_Paint(object sender, PaintEventArgs e)
{
pImage.getXView = pictureRGB.Width;
pImage.getYView = pictureRGB.Height;
for (i = 0; i < pImage.MHeight; i++)
{
for (j = 0; j < pImage.MWidth; j++)
{
pos = i * pImage.MCWidth + 3 * j;
pImage.ImageC[pos] = tempImageC[pos];
pImage.ImageC[pos + 1] = tempImageC[pos + 1];
pImage.ImageC[pos + 2] = tempImageC[pos + 2];
}
}
pImage.ImageC = tempImageC;
pImage.putBitMapData();
e.Graphics.Clear(Color.White);
pImage.zoomImage(e.Graphics);
}
public void buttonApply_Click(object sender, EventArgs e)
{
for (int i = 0; i < pImage.MBWidth * pImage.MHeight; i++)
{
pImage.ImageB[i] = grayByte[i];
}
pImage.putBitMapData();
onMainRefresh(this, new EventArgs()); //发送事件
afterHistPanel.Refresh();
preHistPanel.Refresh();
transFormPanel.Refresh();
}
private void Convolution_Click(object sender, EventArgs e)
{
int order = Convert.ToInt32(numericUpDown1.Value);
int denominator = getDenominator();
long pos, conPos;
int i, j;
int a, b;
tempImageB = new byte[pImage.MBData];
//备份原始数据
for (i = 0; i < pImage.MHeight; i++)
{
for (j = 0; j < pImage.MWidth; j++)
{
pos = i * pImage.MBWidth + j;
tempImageB[pos] = pImage.ImageB[pos];
}
}
//卷积处理，不考虑边界问题
int conSum = 0;
byte conResult;
double tempResult = 0;
byte[,] tempArr;
mainFF.TspBar.Maximum = (int)(pImage.MWidth * pImage.MHeight);
mainFF.TspBar.Minimum = 0;
List <double> conSumList = new List <double>();
for (i = order / 2; i < pImage.MHeight - order / 2; i++)
{
for (j = order / 2; j < pImage.MWidth - order / 2; j++)
{
pos = i * pImage.MBWidth + j;
mainFF.TspBar.Value = (int)pos;
switch (order)
{
case 1:
{
conSum = int.Parse(mTextBox[40].Text) * tempImageB[pos];
break;
}
case 3:
{
conSum = 0;
tempArr = new byte[3, 3];
for (a = 0; a < 3; a++)
{
for (b = 0; b < 3; b++)
{
pos = (i + a - 1) * pImage.MBWidth + j + b - 1;
conPos = (a + 3) * 9 + b + 3;
tempArr[a, b] = tempImageB[pos];
conSum = conSum + tempArr[a, b] * int.Parse(mTextBox[conPos].Text);
}
}
break;
}
case 5:
{
conSum = 0;
tempArr = new byte[5, 5];
for (a = 0; a < 5; a++)
{
for (b = 0; b < 5; b++)
{
pos = (i + a - 2) * pImage.MBWidth + j + b - 2;
conPos = (a + 2) * 9 + b + 2;
tempArr[a, b] = tempImageB[pos];
conSum = conSum + tempArr[a, b] * int.Parse(mTextBox[conPos].Text);
}
}
break;
}
case 7:
{
conSum = 0;
tempArr = new byte[7, 7];
for (a = 0; a < 7; a++)
{
for (b = 0; b < 7; b++)
{
pos = (i + a - 3) * pImage.MBWidth + j + b - 3;
conPos = (a + 1) * 9 + b + 1;
tempArr[a, b] = tempImageB[pos];
conSum = conSum + tempArr[a, b] * int.Parse(mTextBox[conPos].Text);
}
}
break;
}
case 9:
{
conSum = 0;
tempArr = new byte[9, 9];
for (a = 0; a < 9; a++)
{
for (b = 0; b < 9; b++)
{
pos = (i + a - 4) * pImage.MBWidth + j + b - 4;
conPos = a * 9 + b;
tempArr[a, b] = tempImageB[pos];
conSum = conSum + tempArr[a, b] * int.Parse(mTextBox[conPos].Text);
}
}
break;
}
default:
break;
}
conSumList.Add((double)conSum);
try { tempResult = conSum / (int.Parse(textBox1.Text)); }
catch { }
//灰度超限处理方式1：
if (checkBox1.Checked == false)
{
if (tempResult < 0)
{
tempResult = 0;
}
else if (tempResult > 255)
{
tempResult = 255;
}
conResult = (byte)tempResult;
pos = i * pImage.MBWidth + j;
pImage.ImageB[pos] = conResult;
}
}
}
//灰度超限处理方式2，线性插值：
double Gmin = double.MaxValue, Gmax = 0;
int tempIndex = 0;
byte g = 0;
if (checkBox1.Checked == true)
{
for (i = 0; i < conSumList.Count; i++)
{
if (Gmin > conSumList[i])
{
Gmin = conSumList[i];
}
if (Gmax < conSumList[i])
{
Gmax = conSumList[i];
}
}
for (i = order / 2; i < pImage.MHeight - order / 2; i++)
{
for (j = order / 2; j < pImage.MWidth - order / 2; j++)
{
pos = (i + order / 2) * pImage.MBWidth + j + order / 2;
g = (byte)(((conSumList[tempIndex] - Gmin) / (Gmax - Gmin)) * 255);
pImage.ImageB[pos] = g;
tempIndex++;
}
}
}
mainFF.TspBar.Value = 0;
pImage.putBitMapData();
mainFF.Refresh();
try
{
mainFF.GTFrom.Refresh();
mainFF.HistForm.Refresh();
}
catch (System.Exception ex) { }
}
private void button1_Click(object sender, EventArgs e)
{
long i, j, pos;
tempImageB = new byte[pImage.MBData];
for (i = 0; i < pImage.MHeight; i++)
{
for (j = 0; j < pImage.MWidth; j++)
{
pos = i * pImage.MBWidth + j;
tempImageB[pos] = pImage.ImageB[pos];
}
}
double tempGra = 0;
byte Gra = 0;
List <double> tempList = new List <double>();
for (i = 0; i < pImage.MHeight - 1; i++)
{
for (j = 0; j < pImage.MWidth - 1; j++)
{
pos = i * pImage.MBWidth + j;
//不同的梯度
//i表示X轴方向，j表示Y轴方向
if (radioButton1.Checked == true)
{
tempGra = Math.Abs(tempImageB[pos + pImage.MBWidth] - tempImageB[pos]) + Math.Abs(tempImageB[pos + 1] - tempImageB[pos]);
}
if (radioButton2.Checked == true)
{
tempGra = Math.Max(Math.Abs(tempImageB[pos + pImage.MBWidth] - tempImageB[pos]), Math.Abs(tempImageB[pos + 1] - tempImageB[pos]));
}
if (radioButton3.Checked == true)
{
tempGra = Math.Sqrt(Math.Pow(tempImageB[pos + pImage.MBWidth] - tempImageB[pos], 2) +
Math.Pow(tempImageB[pos + 1] - tempImageB[pos], 2));
}
if (radioButton4.Checked == true)
{
tempGra = Math.Abs(tempImageB[pos + pImage.MBWidth + 1] - tempImageB[pos]) +
Math.Abs(tempImageB[pos + 1] - tempImageB[pos + pImage.MBWidth]);
}
if (radioButton5.Checked == true)
{
tempGra = Math.Max(Math.Abs(tempImageB[pos + pImage.MBWidth + 1] - tempImageB[pos]),
Math.Abs(tempImageB[pos + 1] - tempImageB[pos + pImage.MBWidth]));
}
if (radioButton6.Checked == true)
{
tempGra = Math.Sqrt(Math.Pow(tempImageB[pos + pImage.MBWidth + 1] - tempImageB[pos], 2) +
Math.Pow(tempImageB[pos + 1] - tempImageB[pos + pImage.MBWidth], 2));
}
tempList.Add(tempGra);
//超限处理方式1：
if (checkBox1.Checked == false)
{
if (tempGra > 255)
{
tempGra = 255;
}
if (tempGra < 0)
{
tempGra = 0;
}
Gra = (byte)tempGra;
pImage.ImageB[pos] = Gra;
}
}
}
//超限处理方法2：灰度超限线性约束
double minGra = double.MaxValue, maxGra = 0;
int a, index = 0;
if (checkBox1.Checked == true)
{
for (a = 0; a < tempList.Count; a++)
{
if (minGra > tempList[a])
{
minGra = tempList[a];
}
if (maxGra < tempList[a])
{
maxGra = tempList[a];
}
}
for (i = 0; i < pImage.MHeight - 1; i++)
{
for (j = 0; j < pImage.MWidth - 1; j++)
{
pos = i * pImage.MBWidth + j;
pImage.ImageB[pos] = (byte)(((tempList[index] - minGra) / (maxGra - minGra)) * 255);
index++;
}
}
}
pImage.putBitMapData();
mainFF.Refresh();
}
