?? form1.cs
字號:
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Drawing.Imaging;
using DataBaseDeal;
using libsvm;
namespace MyOcr
{
/// <summary>
/// Form1 的摘要說明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.PictureBox pic;
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
/// <summary>
/// 必需的設計器變量。
/// </summary>
private System.ComponentModel.Container components = null;
svm_model model;
bool IsDraw=false;
int drwx=0,drwy=0;
private System.Windows.Forms.Button button5;
class ltWord
{
public ltWord()
{
Czty=new double[20];
value=0;
}
public double[] Czty ;
public byte value;
}
double GetIsWordFromRange(Bitmap bitmap,int left,int top ,int right,int down)
{
double jsCount=0;
for(int i=left;i< right;i++)
{
for(int j=top;j<down;j++)
{
if(bitmap.GetPixel(i,j).G!=255)
{
//MessageBox.Show(bitmap.GetPixel(i,j).ToString());
jsCount++;
}
}
}
double dddd=jsCount/(16*16);
/*if(jsCount>40)
dddd=1;
else
dddd=0;
*/
//MessageBox.Show(dddd.ToString());
return dddd;
}
ltWord GetWordFromBitmap(Bitmap bitmap)
{
ltWord tempWord=new ltWord();
for(int i=0;i<10;i++)
{
//double ltCZTYV=0;
double ltCZTYH=0;
for(int j=0;j<10;j++)
{
//ltCZTYV+=GetIsWordFromRange(bitmap,i*16,j*16,(i+1)*16,(j+1)*16);
ltCZTYH+=GetIsWordFromRange(bitmap,j*16,i*16,(j+1)*16,(i+1)*16);
}
tempWord.Czty[i]=ltCZTYH;
//tempWord.Czty[i+10]=ltCZTYH;
//MessageBox.Show(tempWord.Czty[i].ToString());
}
//bitmap.Save("c:\\aa.bmp",System.Drawing.Imaging.ImageFormat.Bmp);
return tempWord;
}
public Form1()
{
//
// Windows 窗體設計器支持所必需的
//
InitializeComponent();
//
// TODO: 在 InitializeComponent 調用后添加任何構造函數代碼
//
}
/// <summary>
/// 清理所有正在使用的資源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows 窗體設計器生成的代碼
/// <summary>
/// 設計器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內容。
/// </summary>
private void InitializeComponent()
{
System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form1));
this.pic = new System.Windows.Forms.PictureBox();
this.textBox1 = new System.Windows.Forms.TextBox();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button5 = new System.Windows.Forms.Button();
this.SuspendLayout();
//
// pic
//
this.pic.BackColor = System.Drawing.SystemColors.ActiveCaptionText;
this.pic.Image = ((System.Drawing.Image)(resources.GetObject("pic.Image")));
this.pic.Location = new System.Drawing.Point(24, 24);
this.pic.Name = "pic";
this.pic.Size = new System.Drawing.Size(160, 160);
this.pic.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
this.pic.TabIndex = 0;
this.pic.TabStop = false;
this.pic.Click += new System.EventHandler(this.pic_Click);
this.pic.MouseUp += new System.Windows.Forms.MouseEventHandler(this.pic_MouseUp);
this.pic.MouseMove += new System.Windows.Forms.MouseEventHandler(this.pic_MouseMove);
this.pic.MouseDown += new System.Windows.Forms.MouseEventHandler(this.pic_MouseDown);
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(24, 232);
this.textBox1.Name = "textBox1";
this.textBox1.TabIndex = 1;
this.textBox1.Text = "";
//
// button1
//
this.button1.Location = new System.Drawing.Point(272, 56);
this.button1.Name = "button1";
this.button1.TabIndex = 2;
this.button1.Text = "Clear";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(272, 104);
this.button2.Name = "button2";
this.button2.TabIndex = 3;
this.button2.Text = "識別";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(152, 232);
this.button3.Name = "button3";
this.button3.TabIndex = 4;
this.button3.Text = "訓練";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button5
//
this.button5.Location = new System.Drawing.Point(272, 144);
this.button5.Name = "button5";
this.button5.TabIndex = 6;
this.button5.Text = "載入訓練";
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.ClientSize = new System.Drawing.Size(376, 317);
this.Controls.Add(this.button5);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.textBox1);
this.Controls.Add(this.pic);
this.MaximizeBox = false;
this.Name = "Form1";
this.Text = "Form1";
this.TopMost = true;
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
}
#endregion
/// <summary>
/// 應用程序的主入口點。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}
private void pic_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
//Bitmap bitmap=new Bitmap(pic.Image);
//MessageBox.Show(bitmap.GetPixel(e.X,e.Y).ToString());
IsDraw=(e.Button==MouseButtons.Left);
if(IsDraw==true)
{
drwx=e.X;
drwy=e.Y;
}
}
private void pic_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
{
if(IsDraw==true)
{
Pen myPen = new Pen(Color.Red);
// Bitmap ddd =new Bitmap(pic.Image);
IntPtr hwnd = pic.Handle;
Graphics g = Graphics.FromImage(pic.Image);
myPen.Width =10;
g.DrawLine(myPen,new Point(drwx,drwy),new Point(e.X,e.Y));
drwx=e.X;
drwy=e.Y;
g=Graphics.FromHwnd(hwnd);
g.DrawImageUnscaled(pic.Image,new Point(0,0));
g.Dispose();
}
}
private void pic_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
IsDraw=false;
drwx=0;
drwy=0;
}
private void Form1_Load(object sender, System.EventArgs e)
{
model = svm.svm_load_model("svm.txt");
DataBase.StrConn="Provider=sqloledb;Data Source=.;Initial Catalog=Test;User Id=sa;Password=830701";
}
private void pic_Click(object sender, System.EventArgs e)
{
}
private void button2_Click(object sender, System.EventArgs e)
{
ltWord tttt=GetWordFromBitmap(new Bitmap(pic.Image));
svm_node[] x = new svm_node[10];
for(int i=0;i<10;i++)
{
x[i] = new svm_node();
x[i].index=i+1;
x[i].Value=tttt.Czty[i];
}
double[] dec_values = new double[3];
svm.svm_predict_values(model, x, dec_values);
//double d = svm.svm_predict(model, x);
//MessageBox.Show(d.ToString());
MessageBox.Show(dec_values[0].ToString());
MessageBox.Show(dec_values[1].ToString());
MessageBox.Show(dec_values[2].ToString());
//MessageBox.Show(dec_values[3].ToString());
//MessageBox.Show(dec_values[4].ToString());
//MessageBox.Show(dec_values[5].ToString());
//MessageBox.Show(dec_values[6].ToString());
}
private void button1_Click(object sender, System.EventArgs e)
{
//pic.Image.Save("c:\\123.bmp",System.Drawing.Imaging.ImageFormat.Bmp);
IntPtr hwnd = pic.Handle;
Graphics g = Graphics.FromHwnd(hwnd);
g.Clear(Color.White);
g = Graphics.FromImage(pic.Image);
g.Clear(Color.White);
g.Dispose();
}
private void button3_Click(object sender, System.EventArgs e)
{
try
{
int num=int.Parse(textBox1.Text);
ltWord tttt=GetWordFromBitmap(new Bitmap(pic.Image));
DataBase.ExeSqlNoQue("insert svm_v(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,num) values(?,?,?,?,?,?,?,?,?,?,?)",
tttt.Czty[0],tttt.Czty[1],tttt.Czty[2],tttt.Czty[3],tttt.Czty[4],tttt.Czty[5],tttt.Czty[6],tttt.Czty[7],tttt.Czty[8],tttt.Czty[9],num);
//DataBase.ExeSqlNoQue("insert svm_v(v1,v2,v3,v4,v5,v6,v7,v8,v9,v10,v11,v12,v13,v14,v15,v16,v17,v18,v19,v20,num) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)",
//tttt.Czty[0],tttt.Czty[1],tttt.Czty[2],tttt.Czty[3],tttt.Czty[4],tttt.Czty[5],tttt.Czty[6],tttt.Czty[7],tttt.Czty[8],tttt.Czty[9],tttt.Czty[10],tttt.Czty[11],tttt.Czty[12],tttt.Czty[13],tttt.Czty[14],tttt.Czty[15],tttt.Czty[16],tttt.Czty[17],tttt.Czty[18],tttt.Czty[19],num);
MessageBox.Show("訓練成功");
}
catch
{
MessageBox.Show("訓練失敗!");
}
}
private void button5_Click(object sender, System.EventArgs e)
{
DataTable MySvm=DataBase.ExeSqlToTable("select * from svm_v");
if(MySvm.Rows.Count>0)
{
svm_parameter param = new svm_parameter();
// default values
param.svm_type = svm_parameter.C_SVC;
param.kernel_type = svm_parameter.RBF;
param.degree = 3;
param.gamma = 0;
param.coef0 = 0;
param.nu = 0.5;
param.cache_size =40;
param.C =500;
param.eps = 1e-3;
param.p = 0.1;
param.shrinking = 1;
param.nr_weight = 0;
param.weight_label = new int[0];
param.weight = new double[0];
// build problem
svm_problem prob = new svm_problem();
prob.l = MySvm.Rows.Count;
prob.y = new double[prob.l];
if(param.gamma == 0) param.gamma = 0.5;
prob.x = new svm_node [prob.l][];
MessageBox.Show(prob.l.ToString());
for(int i=0;i<prob.l;i++)
{
prob.x[i] = new svm_node[10];
for(int j=1;j<=10;j++)
{
double V_v=double.Parse(MySvm.Rows[i]["v"+(j).ToString()].ToString());
prob.x[i][j-1] = new svm_node();
prob.x[i][j-1].index = j+1;
prob.x[i][j-1].Value =V_v;
}
prob.y[i] =double.Parse(MySvm.Rows[i]["num"].ToString());
}
model = svm.svm_train(prob, param);
svm.svm_save_model("svm.txt",model);
}
}
}
}
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