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笔迹鉴别程序

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考试的笔迹鉴别程序，分辨出不同人写的笔迹
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yanshui177
2017-05-17 16:50:37 +08:00
parent abe00d2e02
commit 962de04ffb
205 changed files with 17672 additions and 0 deletions
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测试/本机测试/转换图像文件到jpg/outlinefeature.cpp Normal file
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/* 程序名：outline.c
功能：输入文字另外由于轮廓图像。返回相应的轮廓特征值
*/
#include <cv.h>
#include <highgui.h>
#include <stdlib.h>
#include <stdio.h>
#include "Point.h"
int outlinefeature(IplImage* imglk,int feature[ ][50]){
/*定义变量*/
int i,j;
int height,width,step,channels;
uchar *data;
int feat[50][50]={0}; //特征值初始化
Point featblk[32]; //标记相同H的黑点坐标
int featk; //标记相同H的黑点数目
int m; //for 里面的变量
/* 获取图像信息*/
height = imglk->height;
width = imglk->width;
step = imglk->widthStep;
channels = imglk->nChannels;
data = (uchar *)imglk->imageData;
//初始化特征矩阵 最大值为47 ，非空的特征字有1081个
int outllab[9][9]={\
{ 3,37,10,36, 2,35, 9,34, 1},\
{38, 3,21,20, 2,19,18, 1,33},\
{11,22, 3,10, 2, 9, 1,17, 8},\
{39,23,11, 3, 2, 1, 8,16,32},\
{ 4, 4, 4, 4, 0, 0, 0, 0, 0},\
{40,24,12, 5, 6, 7,15,31,47},\
{12,25, 5,13, 6,14, 7,30,15},\
{41, 5,26,27, 6,28,29, 7,46},\
{ 5,42,13,43, 6,44,14,45, 7}};
for(i=4;i<=width-5;i++)
{
for(j=4;j<=height-5;j++)
{
if(data[j*step+i*channels]==0)
{
//**************H=1
memset(featblk, 0, sizeof(Point)*32); //归零
featk=0;
if(data[j*step+(i+1)*channels]==0) //右侧点
{
featblk[featk].x=i+1;
featblk[featk].y=j;
featk++;
}
for(m=i+1;m>=i-1;m--) //上排点
{
if(data[(j-1)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j-1;
featk++;
}
}
if(data[j*step+(i-1)*channels]==0) //左侧点
{
featblk[featk].x=i-1;
featblk[featk].y=j;
featk++;
}
for(m=i-1;m<=i+1;m++) //下排点
{
if(data[(j+1)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j+1;
featk++;
}
}
//统计特征点
//****************************************************
if(featk>=2)
{
for(m=1;m<=featk-1;m++)
{
feat[outllab[featblk[m-1].x-i+4][featblk[m-1].y-j+4]][outllab[featblk[m].x-i+4][featblk[m].y-j+4]]++;
}
}
//H=1
//H=2
memset(featblk, 0, sizeof(Point)*32); //归零
featk=0;
for(m=j+1;m>=j-2;m--)
{
if(data[m*step+(i+2)*channels]==0) //右排点
{
featblk[featk].x=i+2;
featblk[featk].y=m;
featk++;
}
}
for(m=i+1;m>=i-2;m--) //上排点
{
if(data[(j-2)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j-2;
featk++;
}
}
for(m=j-1;m<=j+2;m++) //左侧点
{
if(data[m*step+(i-2)*channels]==0)
{
featblk[featk].x=i-2;
featblk[featk].y=m;
featk++;
}
}
for(m=i-1;m<=i+2;m++) //下排点
{
if(data[(j+2)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j+2;
featk++;
}
}
//统计特征点
//****************************************************
if(featk>=2)
{
for(m=1;m<=featk-1;m++)
{
feat[outllab[featblk[m-1].x-i+4][featblk[m-1].y-j+4]][outllab[featblk[m].x-i+4][featblk[m].y-j+4]]++;
}
}
//H=2
//H=3
memset(featblk, 0, sizeof(Point)*32); //归零
featk=0;
for(m=j+2;m>=j-3;m--)
{
if(data[m*step+(i+3)*channels]==0) //右排点
{
featblk[featk].x=i+3;
featblk[featk].y=m;
featk++;
}
}
for(m=i+2;m>=i-3;m--) //上排点
{
if(data[(j-3)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j-3;
featk++;
}
}
for(m=j-2;m<=j+3;m++) //左侧点
{
if(data[m*step+(i-3)*channels]==0)
{
featblk[featk].x=i-3;
featblk[featk].y=m;
featk++;
}
}
for(m=i-2;m<=i+3;m++) //下排点
{
if(data[(j+3)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j+3;
featk++;
}
}
//统计特征点
//******************************************
if(featk>=2)
{
for(m=1;m<=featk-1;m++)
{
feat[outllab[featblk[m-1].x-i+4][featblk[m-1].y-j+4]][outllab[featblk[m].x-i+4][featblk[m].y-j+4]]++;
}
}
//H=3
//H=4
memset(featblk, 0, sizeof(Point)*32); //归零
featk=0;
for(m=j+3;m>=j-4;m--)
{
if(data[m*step+(i+4)*channels]==0) //右排点
{
featblk[featk].x=i+4;
featblk[featk].y=m;
featk++;
}
}
for(m=i+3;m>=i-4;m--) //上排点
{
if(data[(j-4)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j-4;
featk++;
}
}
for(m=j-3;m<=j+4;m++) //左侧点
{
if(data[m*step+(i-4)*channels]==0)
{
featblk[featk].x=i-4;
featblk[featk].y=m;
featk++;
}
}
for(m=i-3;m<=i+4;m++) //下排点
{
if(data[(j+4)*step+m*channels]==0)
{
featblk[featk].x=m;
featblk[featk].y=j+4;
featk++;
}
}
//统计特征点
if(featk>=2)
{
for(m=1;m<=featk-1;m++)
{
feat[ outllab[featblk[m-1].x-i+4][featblk[m-1].y-j+4]] [outllab[featblk[m].x-i+4][featblk[m].y-j+4] ]++;
}
}
//H=4***********************
}
}
}
//****注：最终特征值为feat(x,y)+feat(y,x)，放入feat(x,y)中，x<y
for(i=1;i<50;i++)
for(j=0;j<i;j++)
{
feat[j][i]=feat[i][j]+feat[j][i];
feat[i][j]=0;
}
memcpy(feature,feat,2500*4); //int有四个字节
return 0;
}