实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
using System.Security.Cryptography;
//using System.Windows.Forms.SaveFileDialog;
namespace sample
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class ImageProcess : System.Windows.Forms.Form
{
private System.Windows.Forms.Button OpenButton;
private System.Windows.Forms.Button GrayButton;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.Container components = null;
private System.Windows.Forms.Button SaveButton;
private System.Windows.Forms.Panel panel2;
private Bitmap m_Bitmap ;//整幅图像
private Bitmap m_Bitmap1;
private Bitmap m_Bitmap2;
private Bitmap m_Bitmap3;
private Bitmap c_Bitmap ;//车牌图像
private int maxX;
private int maxY;
Pen pen1=new Pen(Color.Black);
private System.Windows.Forms.Panel panel1;
private System.Windows.Forms.Button InvertButton;
private System.Windows.Forms.Button BrightButton;
private System.Windows.Forms.Panel panel4;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.GroupBox groupBox2;
private System.Windows.Forms.GroupBox groupBox3;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Panel GraphyPanel;
private System.Windows.Forms.Panel LcolorPanel;
private System.Windows.Forms.GroupBox groupBox4;
private String name;
private bool aline=false;
int [] gray=new int[256];
int [] rr = new int[256];
int [] gg = new int[256];
int [] bb = new int[256];
private float count ;
private float [] gl=new float[256];
int flag=0;
private System.Windows.Forms.Button NoiselessButton;
private System.Windows.Forms.Button MarginalButton;
private System.Windows.Forms.Button TwoValueButton;
int xx=-1;
public ImageProcess()
{
//
// Windows 窗体设计器支持所必需的
//
m_Bitmap = new Bitmap(2,2);
m_Bitmap1 = new Bitmap(2,2);
m_Bitmap2 = new Bitmap(2,2);
m_Bitmap3 = new Bitmap(2,2);
c_Bitmap = new Bitmap(2,2);
InitializeComponent();
//
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
}
/// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(ImageProcess));
this.OpenButton = new System.Windows.Forms.Button();
this.GrayButton = new System.Windows.Forms.Button();
this.SaveButton = new System.Windows.Forms.Button();
this.panel2 = new System.Windows.Forms.Panel();
this.panel1 = new System.Windows.Forms.Panel();
this.GraphyPanel = new System.Windows.Forms.Panel();
this.InvertButton = new System.Windows.Forms.Button();
this.BrightButton = new System.Windows.Forms.Button();
this.panel4 = new System.Windows.Forms.Panel();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.groupBox2 = new System.Windows.Forms.GroupBox();
this.LcolorPanel = new System.Windows.Forms.Panel();
this.groupBox3 = new System.Windows.Forms.GroupBox();
this.label1 = new System.Windows.Forms.Label();
this.groupBox4 = new System.Windows.Forms.GroupBox();
this.TwoValueButton = new System.Windows.Forms.Button();
this.MarginalButton = new System.Windows.Forms.Button();
this.NoiselessButton = new System.Windows.Forms.Button();
this.groupBox1.SuspendLayout();
this.groupBox2.SuspendLayout();
this.groupBox4.SuspendLayout();
this.SuspendLayout();
//
// OpenButton
//
this.OpenButton.Location = new System.Drawing.Point(8, 24);
this.OpenButton.Name = "OpenButton";
this.OpenButton.Size = new System.Drawing.Size(75, 23);
this.OpenButton.TabIndex = 1;
this.OpenButton.Text = "Open";
this.OpenButton.Click = new System.EventHandler(this.Open_Click);
//
// GrayButton
//
this.GrayButton.Enabled = false;
this.GrayButton.Location = new System.Drawing.Point(8, 120);
this.GrayButton.Name = "GrayButton";
this.GrayButton.Size = new System.Drawing.Size(75, 23);
this.GrayButton.TabIndex = 2;
this.GrayButton.Text = "Gray";
this.GrayButton.Click = new System.EventHandler(this.GrayButton_Click);
//
// SaveButton
//
this.SaveButton.Enabled = false;
this.SaveButton.Location = new System.Drawing.Point(8, 248);
this.SaveButton.Name = "SaveButton";
this.SaveButton.Size = new System.Drawing.Size(75, 23);
this.SaveButton.TabIndex = 5;
this.SaveButton.Text = "Save";
this.SaveButton.Click = new System.EventHandler(this.SaveButton_Click);
//
// panel2
//
this.panel2.Location = new System.Drawing.Point(78, 6);
this.panel2.Name = "panel2";
this.panel2.Size = new System.Drawing.Size(472, 16);
this.panel2.TabIndex = 6;
this.panel2.Paint = new System.Windows.Forms.PaintEventHandler(this.panel2_Paint);
//
// panel1
//
this.panel1.AutoScroll = true;
this.panel1.BackColor = System.Drawing.SystemColors.ControlLight;
this.panel1.Location = new System.Drawing.Point(12, 42);
this.panel1.Name = "panel1";
this.panel1.Size = new System.Drawing.Size(324, 264);
this.panel1.TabIndex = 4;
this.panel1.Paint = new System.Windows.Forms.PaintEventHandler(this.panel1_Paint);
//
// GraphyPanel
//
this.GraphyPanel.BackColor = System.Drawing.SystemColors.ControlLight;
this.GraphyPanel.ForeColor = System.Drawing.Color.Coral;
this.GraphyPanel.Location = new System.Drawing.Point(360, 156);
this.GraphyPanel.Name = "GraphyPanel";
this.GraphyPanel.Size = new System.Drawing.Size(210, 120);
this.GraphyPanel.TabIndex = 7;
this.GraphyPanel.Paint = new System.Windows.Forms.PaintEventHandler(this.GraphyPanel_Paint);
//
// InvertButton
//
this.InvertButton.Enabled = false;
this.InvertButton.Location = new System.Drawing.Point(8, 56);
this.InvertButton.Name = "InvertButton";
this.InvertButton.Size = new System.Drawing.Size(75, 23);
this.InvertButton.TabIndex = 10;
this.InvertButton.Text = "Invert";
this.InvertButton.Click = new System.EventHandler(this.InvertButton_Click);
//
// BrightButton
//
this.BrightButton.Enabled = false;
this.BrightButton.Location = new System.Drawing.Point(8, 88);
this.BrightButton.Name = "BrightButton";
this.BrightButton.Size = new System.Drawing.Size(75, 23);
this.BrightButton.TabIndex = 11;
this.BrightButton.Text = "Equalize";
this.BrightButton.Click = new System.EventHandler(this.BrightButton_Click);
//
// panel4
//
this.panel4.BackColor = System.Drawing.SystemColors.ControlLight;
this.panel4.Location = new System.Drawing.Point(8, 16);
this.panel4.Name = "panel4";
this.panel4.Size = new System.Drawing.Size(194, 62);
this.panel4.TabIndex = 13;
this.panel4.Paint = new System.Windows.Forms.PaintEventHandler(this.panel4_Paint);
//
// groupBox1
//
this.groupBox1.Controls.Add(this.panel4);
this.groupBox1.Location = new System.Drawing.Point(354, 42);
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(216, 80);
this.groupBox1.TabIndex = 0;
this.groupBox1.TabStop = false;
this.groupBox1.Text = "车牌";
this.groupBox1.Enter = new System.EventHandler(this.groupBox1_Enter);
//
// groupBox2
//
this.groupBox2.Controls.Add(this.LcolorPanel);
this.groupBox2.Location = new System.Drawing.Point(354, 132);
this.groupBox2.Name = "groupBox2";
this.groupBox2.Size = new System.Drawing.Size(222, 174);
this.groupBox2.TabIndex = 15;
this.groupBox2.TabStop = false;
this.groupBox2.Text = "直方图";
this.groupBox2.Enter = new System.EventHandler(this.groupBox2_Enter);
//
// LcolorPanel
//
this.LcolorPanel.Location = new System.Drawing.Point(8, 152);
this.LcolorPanel.Name = "LcolorPanel";
this.LcolorPanel.Size = new System.Drawing.Size(208, 18);
this.LcolorPanel.TabIndex = 0;
this.LcolorPanel.Paint = new System.Windows.Forms.PaintEventHandler(this.LcolorPanel_Paint);
//
// groupBox3
//
this.groupBox3.Location = new System.Drawing.Point(6, 24);
this.groupBox3.Name = "groupBox3";
this.groupBox3.Size = new System.Drawing.Size(336, 288);
this.groupBox3.TabIndex = 16;
this.groupBox3.TabStop = false;
this.groupBox3.Text = "待处理图像";
//
// label1
//
this.label1.Location = new System.Drawing.Point(6, 6);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(72, 16);
this.label1.TabIndex = 17;
this.label1.Text = "文件路径";
this.label1.Click = new System.EventHandler(this.label1_Click_2);
//
// groupBox4
//
this.groupBox4.Controls.Add(this.TwoValueButton);
this.groupBox4.Controls.Add(this.MarginalButton);
this.groupBox4.Controls.Add(this.SaveButton);
this.groupBox4.Controls.Add(this.InvertButton);
this.groupBox4.Controls.Add(this.OpenButton);
this.groupBox4.Controls.Add(this.NoiselessButton);
this.groupBox4.Controls.Add(this.GrayButton);
this.groupBox4.Controls.Add(this.BrightButton);
this.groupBox4.Location = new System.Drawing.Point(582, 6);
this.groupBox4.Name = "groupBox4";
this.groupBox4.Size = new System.Drawing.Size(88, 300);
this.groupBox4.TabIndex = 18;
this.groupBox4.TabStop = false;
//
// TwoValueButton
//
this.TwoValueButton.Enabled = false;
this.TwoValueButton.Location = new System.Drawing.Point(8, 216);
this.TwoValueButton.Name = "TwoValueButton";
this.TwoValueButton.Size = new System.Drawing.Size(75, 23);
this.TwoValueButton.TabIndex = 14;
this.TwoValueButton.Text = "2Value";
this.TwoValueButton.Click = new System.EventHandler(this.InciseButton_Click);
//
// MarginalButton
//
this.MarginalButton.Enabled = false;
this.MarginalButton.Location = new System.Drawing.Point(8, 184);
this.MarginalButton.Name = "MarginalButton";
this.MarginalButton.Size = new System.Drawing.Size(75, 23);
this.MarginalButton.TabIndex = 13;
this.MarginalButton.Text = "Marginal";
this.MarginalButton.Click = new System.EventHandler(this.MarginalButton_Click_1);
//
// NoiselessButton
//
this.NoiselessButton.Enabled = false;
this.NoiselessButton.Location = new System.Drawing.Point(8, 152);
this.NoiselessButton.Name = "NoiselessButton";
this.NoiselessButton.Size = new System.Drawing.Size(75, 23);
this.NoiselessButton.TabIndex = 12;
this.NoiselessButton.Text = "Noiseless";
this.NoiselessButton.Click = new System.EventHandler(this.NoiselessButton_Click);
//
// ImageProcess
//
this.ClientSize = new System.Drawing.Size(676, 320);
this.Controls.Add(this.label1);
this.Controls.Add(this.GraphyPanel);
this.Controls.Add(this.panel1);
this.Controls.Add(this.panel2);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.groupBox2);
this.Controls.Add(this.groupBox3);
this.Controls.Add(this.groupBox4);
this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
this.MaximizeBox = false;
this.Name = "ImageProcess";
this.Text = "数字图像处理实验－－陈家伟 200345005006";
this.Load = new System.EventHandler(this.ImageProcess_Load);
this.groupBox1.ResumeLayout(false);
this.groupBox2.ResumeLayout(false);
this.groupBox4.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new ImageProcess());
}
private void label1_Click(object sender, System.EventArgs e)
{
}
private void Open_Click(object sender, System.EventArgs e)
{
BrightButton.Enabled=false;
NoiselessButton.Enabled=false;
MarginalButton.Enabled=false;
TwoValueButton.Enabled=false;
SaveButton.Enabled=false;
panel4.Enabled=false;
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Jpeg文件(*.jpg)|*.jpg|Bitmap文件(*.bmp)|*.bmp| 所有合适文件(*.bmp/*.jpg)|*.bmp/*.jpg";
openFileDialog.FilterIndex = 2 ;
openFileDialog.RestoreDirectory = true ;
if(DialogResult.OK == openFileDialog.ShowDialog())
{
name = openFileDialog.FileName;
m_Bitmap = (Bitmap)Bitmap.FromFile(name, false);
this.panel1.AutoScroll = true;
this.panel1.AutoScrollMinSize=new Size ((int)(m_Bitmap.Width),(int)
m_Bitmap.Height);
this.InvertButton.Enabled=true;
this.GrayButton.Enabled=true;
panel1.Invalidate();
panel2.Invalidate();
panel4.Invalidate();
}
}
private void ImageProcess_Load(object sender, System.EventArgs e)
{
}
private void hScrollBar1_Scroll(object sender, System.Windows.Forms.ScrollEventArgs e)
{
panel1.Invalidate();
}
private void panel1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.DrawImage(m_Bitmap, new Rectangle(this.panel1.AutoScrollPosition.X, this.panel1.AutoScrollPosition.Y,
(int)(m_Bitmap.Width), (int)(m_Bitmap.Height)));
}
private void SaveButton_Click(object sender, System.EventArgs e)
{
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.Filter = "Bitmap文件(*.bmp)|*.bmp| Jpeg文件(*.jpg)|*.jpg| 所有合适文件(*.bmp/*.jpg)|*.bmp/*.jpg";
saveFileDialog.FilterIndex = 1 ;
saveFileDialog.RestoreDirectory = true ;
if(DialogResult.OK == saveFileDialog.ShowDialog())
{
c_Bitmap.Save(saveFileDialog.FileName);
}
}
private void panel2_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.DrawString(name,new Font("Arial", 8), new SolidBrush(Color.Black),0,0);
}
private void label1_Click_1(object sender, System.EventArgs e)
{
}
private void InvertButton_Click(object sender, System.EventArgs e)
{
if(Filters.Invert(m_Bitmap,out gray))
{
LcolorPanel.Invalidate();
graydo();
}
}
private void GraphyPanel_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
int p;
p = m_Bitmap.Width*m_Bitmap.Height;
// this.l_pixel.Text=p.ToString();
int height =this.GraphyPanel.Height;
for(int j=0;j<256;j )
{
if(gl[j]>height)
gl[j]=height;
g.DrawLine(pen1,j,height,j,height-gl[j]);
}
if(aline)
{
g.DrawLine(Pens.OrangeRed,xx,0,xx,height);
}
}
private void GraphyPanel_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
xx=e.X;
if(xx>255)
xx=255;
if(xx<=0)
xx=0;
aline=true;
this.GraphyPanel.Invalidate();
}
private void GraphyPanel_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
Point p=new Point(e.X,e.Y);
if(new Rectangle(0,0,256,127).Contains(p))
{
this.xx=e.X;
}
else
{
this.xx=-1;
}
this.GraphyPanel.Invalidate();
}
private void GraphyPanel_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
aline=false;
}
private void LcolorPanel_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
int width=this.LcolorPanel.Width;
int height=this.LcolorPanel.Height;
int j;
Color c;
Graphics g=e.Graphics;
switch(flag)
{
case 1:
{
for(int i=width;i>=0;i--)
{
j=i;
if(j>255) j=255;
c=Color.FromArgb(j,j,j);
Pen pen2=new Pen(c,1);
g.DrawLine(pen2,i,0,i,height);
}
break;
}
case 2:
{
for(int i=width;i>=0;i--)
{
j=i;
if(j>255) j=255;
c=Color.FromArgb(j,0,0);
Pen pen2=new Pen(c,1);
g.DrawLine(pen2,i,0,i,height);
}
break;
}
case 3:
{
for(int i=width;i>=0;i--)
{
j=i;
if(j>255) j=255;
c=Color.FromArgb(0,j,0);
Pen pen2=new Pen(c,1);
g.DrawLine(pen2,i,0,i,height);
}
break;
}
case 4:
{
for(int i=width;i>=0;i--)
{
j=i;
if(j>255) j=255;
c=Color.FromArgb(0,0,j);
Pen pen2=new Pen(c,1);
g.DrawLine(pen2,i,0,i,height);
}
break;
}
default:
break;
}
}
private void GrayButton_Click(object sender, System.EventArgs e)
{
Filters.zft(m_Bitmap,out gray,out rr,out gg, out bb);
this.BrightButton.Enabled=true;
this.NoiselessButton.Enabled=true;
LcolorPanel.Invalidate();
graydo();
}
private void BrightButton_Click(object sender, System.EventArgs e)
{
if(Filters.Brightness(m_Bitmap,gray,out gray,(int)count) )
graydo();
}
private void label2_Click(object sender, System.EventArgs e)
{
}
private void panel4_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
Point ulCorner = new Point( 0, 0);
g.DrawImage(c_Bitmap,0,0);
//g.DrawImage(c_Bitmap, new Rectangle(this.panel1.AutoScrollPosition.X, this.panel1.AutoScrollPosition.Y,
// (int)(c_Bitmap.Width), (int)(c_Bitmap.Height)));
}
private void groupBox1_Enter(object sender, System.EventArgs e)
{
}
private void label1_Click_2(object sender, System.EventArgs e)
{
}
private void groupBox2_Enter(object sender, System.EventArgs e)
{
}
private void graydo()
{
this.flag=1;
count = m_Bitmap.Width * m_Bitmap.Height;
gl=new float[256];
for(int i=0;i<256; i )
gl[i]= gray[i]/count *1500;
pen1=Pens.Red;
panel1.Invalidate();
GraphyPanel.Invalidate();
}
private void NoiselessButton_Click(object sender, System.EventArgs e)
{
if(Filters.GaussianFilter(m_Bitmap,out gray))
graydo();
this.MarginalButton.Enabled=true;
}
private void MarginalButton_Click_1(object sender, System.EventArgs e)
{
int ccount;
int yl,yr,xu,xd;
if (Filters.MarginalFilter(m_Bitmap,out gray,out ccount ,67,out xu,out xd,out yl,out yr,out maxX,out maxY)) {
m_Bitmap1 = (Bitmap)Bitmap.FromFile(name, false);
Rectangle sourceRectangle = new Rectangle(yl,xu,yr-yl,xd-xu);
c_Bitmap= m_Bitmap1.Clone(sourceRectangle,
PixelFormat.DontCare);
groupBox1.Text="车牌";
groupBox1.Invalidate();
this.SaveButton.Enabled=true;
this.TwoValueButton.Enabled=true;
panel4.Invalidate();
graydo();
}
}
private void textBox1_TextChanged(object sender, System.EventArgs e)
{
}
private void InciseButton_Click(object sender, System.EventArgs e)
{
Filters.zft(c_Bitmap,out gray,out rr,out gg, out bb);
Rectangle sourceRectangle = new Rectangle(maxY,maxX,66,14);
Bitmap xc_Bitmap=c_Bitmap.Clone(sourceRectangle,
PixelFormat.DontCare);
if (Filters.TowValue(c_Bitmap,xc_Bitmap,maxY,maxY)) {
groupBox1.Text="车牌（经二值化处理）";
groupBox1.Invalidate();
panel4.Invalidate();
}
}
}
}
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