边缘特征点提取

边缘特征点提取

这个是主程序:界面和代这

using System;

using System.Collections.Generic;using ponentModel;using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;using System.IO;

namespace 这这这这这影量作1

{

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private string curFileName;

private System.Drawing.Bitmap curBitmap;

int a =0;

int b =0;

int n = 0;

int count = 0;

private void button2_Click(object sender, EventArgs e)

{

OpenFileDialog of = new OpenFileDialog();

of.Filter = "JPG这像(*.jpg)|*.jpg|BMP这像(*.bmp)|*.bmp|所有文件(*.*)|*.*";

of.Title = "打文件这这这";

of.ShowDialog();

curFileName = of.FileName;

try

{

curBitmap = (Bitmap)Image.FromFile(curFileName);

}

catch(Exception ex)

{

MessageBox.Show("出这!" + ex.Message);

}

pictureBox1.Image = Image.FromFile(curFileName );

}

private void button1_Click(object sender, EventArgs e)

{

button4.Visible = true;

int i,j,k,m;

double V1 = 0, V2 = 0,V3 =0, V4 = 0;

double [,]V= new double [curBitmap.Width, curBitmap.Height];

double [,] VV = new double[curBitmap.Width, curBitmap.Height];

int [,] Gray = new int[curBitmap.Width, curBitmap.Height];

for (i=0;i

for (j = 0; j < curBitmap.Height; j++)

{

Color pixelColor = this.curBitmap.GetPixel(i,j);

Gray[i, j] = (int )(pixelColor.R * 0.299 + pixelColor.G * 0.587 + pixelColor.B *

0.114);//灰度算公式这这这这

}

for (i=2;i

for (j = 2; j < curBitmap.Height-2; j++)

{

for (k = -2; k < 2; k++)

{

V1 += (Gray[i + k, j] - Gray[i + k + 1, j]) * (Gray[i + k, j] - Gray[i + k + 1, j]);

V2 += (Gray[i + k, j + k] - Gray[i + k + 1, j + k + 1]) * (Gray[i + k, j + k] - Gray[i

+ k + 1, j + k + 1]);

V3 += (Gray[i, j + k] - Gray[i, j + k + 1]) * (Gray[i, j + k] - Gray[i, j + k + 1]);

V4 += (Gray[i - k, j + k] - Gray[i - k - 1, j + k + 1]) * (Gray[i - k, j + k] - Gray[i -

k - 1, j + k + 1]);

}

V[i, j] = MaxMin.MyMin(V1, V2, V3, V4);

V1 = 0; V2 = 0; V3 = 0; V4 = 0;

}

for (i = 2; i < curBitmap.Width - 2; i++)

for (j = 2; j < curBitmap.Height - 2; j++)

{

try

{

if (V[i, j] >= Convert.ToDouble(textBox1.Text))

{

VV[i, j] = 1;

}

else

{

VV[i, j] = 0;