笔迹鉴别程序
考试的笔迹鉴别程序，分辨出不同人写的笔迹
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yanshui177
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测试/本机测试/2-侯-算法/handwriting/segmentation.cpp
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测试/本机测试/2-侯-算法/handwriting/segmentation.cpp
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/* 程序名：segmentation.c
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功能：总程序：读入图像文件，分析特征，输出效果
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*/
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//#include "stdafx.h"
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#pragma once
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#include <time.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <math.h>
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#include <cv.h>
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#include <highgui.h>
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#include "Point.h"
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#include "Cword.h"
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//#include "FreeImage.h" //用于读gif的图像,（将gif图像转换为png）
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#include<io.h> //下面的5个用于读取文件夹下的所有文件名
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#include<vector>
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#include<iostream>
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#include <string.h>
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#include<windows.h> //用于弹出提示框,,,切记！当调用<windows.h>时，不要调用MFC！（Afx.h)
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#include<string.h>
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using namespace std;
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#ifdef WIN32 //屏蔽VC6对STL的一些不完全支持造成
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#pragma warning (disable: 4514 4786)
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#endif
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void getFiles(string path, vector<string>& files );//9、读取文件名下所有文件名
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void on_mouse( int event, int x, int y, int flags, void* ustc);
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char* getType(char fileName[], char type[]); //2、获取图像类型
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int* binary(IplImage* img,int bithro); //3、二值化图像
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int getFolders(string path, vector<string>& files );//11、读取文件名下所有文件夹的名称
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int read_scanf(const string &filename,const int &cols,vector<double *> &_vector);//12、读取已经存好的特征值
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int outlinefeature(IplImage* imglk,int feature[ ][50]); //7、计算图像的轮廓特征值
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int searchDir(char* path, vector<string> &dir);//获取目录下一层的所有文件夹
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IplImage* Cjbsb(IplImage* img,IplImage* imgjbsb,int jbwhite,int jbblack);//4、图像角标识别
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IplImage* worddivide(IplImage* imgbj,int hthro,int wthro,int *gridx,int *gridy,int *gxx,int *gyy); //5、为文字区域画上方格
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IplImage* outline(IplImage* imgbj); //6、计算图像对应的轮廓图
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IplImage* gif2ipl(const char* filename); //1、读取gif的外部函数
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IplImage* wordrecognize(IplImage* imgbj,int *gridx,int *gridy,Cword *wordbox,int gx,int gy);//8、判断方格中的是否为文字
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IplImage* singlefeature(char* path,int feature[ ][50]);//10、得出单个文件的特征值
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int pos_x=0,pos_y=0;
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bool pos_flag=false;
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IplImage* src;
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int picAll = 0, picSus = 0;
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int stuAll = 0, stuSus = 0;
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int ComputeImage(vector<string> files, double bzckesa[50][50], double *wcd, int conti)
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{ int i,ii,jj,k,size;
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double bzcu[50][50]={0}; //标准差中的u
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double featurep[50][50][30]={0}; //所有图像的轮廓方向特征初始化//干什么 //30
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int feature[50][50][30]={0}; //所有图像的特征值初始化 //所有图像指的什么意思 //30找出30的位置或者50的位置限制。。。。带入num_dir==49的情况进行类比
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int featx[50][50]={0}; //循环赋值的feature
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int featureall; //图像特征值和 //做什么用
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IplImage* imglk[30]; //轮廓图变量 //30
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size=files.size();
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for (i = 0;i < size;i++)
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{
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memset(featx,0,sizeof(featx));
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// strcpy(str,files[i].c_str());
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imglk[i]=singlefeature((char*)files[i].c_str(),featx); //featx[][50]
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featureall=0; //图像特征值和的初始化
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for(ii=0;ii<48;ii++) //将featx存起来,回头看能不能用函数换掉
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for(jj=ii+1;jj<47;jj++)
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{
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feature[ii][jj][i]=featx[ii][jj];
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featureall=featureall+featx[ii][jj];
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}
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//求轮廓方向特征featurep，式(5) 与标准差中的u的和
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for(ii=0;ii<48;ii++)
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for(jj=ii+1;jj<47;jj++)
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{
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featurep[ii][jj][i]=(double)featx[ii][jj]/featureall;
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bzcu[ii][jj]+=(double)featx[ii][jj]/featureall*1000; //标准差的值过小,进行放大（1）
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}
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}
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//处理完一个人的每一张图片后
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for(ii=0;ii<48;ii++)//求标准差中的u
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for(jj=ii+1;jj<47;jj++)
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bzcu[ii][jj]=bzcu[ii][jj]/size;
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//求相似性就是带权卡方wcd
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for (i = 0;i < size;i++)
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for(ii=0;ii<48;ii++)
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for(jj=ii+1;jj<47;jj++)
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if(featurep[ii][jj][i]*featurep[ii][jj][conti]!=0 && bzckesa[ii][jj]!=-1)
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wcd[i]+=pow((featurep[ii][jj][i]-featurep[ii][jj][conti]),2)/((featurep[ii][jj][i]+featurep[ii][jj][conti])*bzckesa[ii][jj]);
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memset(imglk,0,sizeof(imglk));
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memset(feature,0,sizeof(feature));
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memset(featurep,0,sizeof(featurep));
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return 1;
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}
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//////////////////////////////////////////////////////////////////////////////////////////////
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int main()
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{
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// 定义变量
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vector<string> dir; //存储目录
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int conti=1; //对比图像的标号
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int size_dir,num_dir;
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char record[2400]={0};
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// 准备结果文件
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char* fpname= "C:/Users/闫帅帅/Desktop/result2.txt";
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FILE* fpzz=NULL;//需要注意
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//fpzz=fopen(fpname,"w+"); //创建文件 //a
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//if(NULL==fpzz) return -1;//要返回错误代码
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//fprintf(fpzz,record); //从控制台中读入并在文本输出
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//fclose(fpzz);
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//fpzz=NULL;//需要指向空，否则会指向原打开文件地址
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// 获取待检测文件夹到size
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char path[100] = "E:/xiangmu/Img/imgjiaobiao/";//D:/xiangmu/Img/imgjiaobiao/
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searchDir(path, dir);//获取filePath下的所有一级目录并存储到dir中
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// dir.push_back("E:/xiangmu/Img/imgjiaobiao/010211100518"); //存储目录
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size_dir=dir.size(); //dir的大小就是学生的数量
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stuAll = size_dir;
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cout << "学生总数为" << stuAll << endl;
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// 开始检测每个文件夹下的
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for(num_dir=0;num_dir<size_dir;num_dir++)//对每一个学生目录进行循环
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{
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int size,i,ii,jj; //通用变量
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double bzckesa[50][50]={0}; //标准差
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double wcd[30]={0}; //记录卡方距离 //30应该指的就是每个人的图片数目
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int featdif[30]={0}; //每幅图的特征值与总特征平均值的差 //30
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int maxi;float maxx=0; //最大特征值的标号与值
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int xyimgnum=0; //嫌疑图片的数目
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vector<string> suspict; //记录嫌疑图片地址
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vector<float> suspict_wcd;
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vector<string> files; //存储文件路径
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getFiles(dir[num_dir].c_str(), files ); //遍历当前文件夹下的所有文件
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//输出
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printf("正在进行第%d，目录为：%s",num_dir,dir[num_dir].c_str());
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size = files.size(); //图像的数目
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//输出
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printf("文件个数为：%d\t",size);
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//将标准差中的kesa加载进来
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string bzcfile="D:/Xiangmu/Img/bzc/bzc.txt";
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//txt文件中有47列
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int bzccolumns=47;
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vector<double *> output_bzc;
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if(!read_scanf(bzcfile,bzccolumns,output_bzc)) return 0;
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//output_vector可视为二维数组;输出数组元素：
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//int rows=output_bzc.size();
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for(ii=0;ii<48;ii++)
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for(jj=ii+1;jj<47;jj++)
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bzckesa[ii][jj]=output_bzc[ii][jj];
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//开始对每一张图片进行处理
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for(int r=0;r<size;r++)
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{
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memset(wcd, 0, sizeof(wcd));
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ComputeImage(files, bzckesa, wcd, r);
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xyimgnum=0;
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//求卡方距离的最大值
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for (i = 0;i < size;i++)
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{
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// cout << files[i].c_str()<< " " << wcd[i] << endl;
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// if(maxx<wcd[i]){ maxx=wcd[i]; maxi=i;}
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if(wcd[i]>0.12)
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{
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xyimgnum++;
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suspict.push_back(files[i].c_str());
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suspict_wcd.push_back(wcd[i]);
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}
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}
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if (xyimgnum<3) break;
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}
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//将结果存入txt
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//------------------------------------------------------//
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char record[8000];
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memset(record, 0, sizeof(record));
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char pic_num[20];
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memset(pic_num, 0, sizeof(pic_num));
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_itoa(size, pic_num, 10);
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strcat(record, dir[num_dir].substr(27, 22).c_str()); //学号
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strcat(record, "\t");
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strcat(record,pic_num);
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if(xyimgnum>0)
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{
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stuSus++;
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char b[20];
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sprintf(b, "\t%d", xyimgnum);
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strcat(record, b);
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strcat(record, "\n");
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// cout << xyimgnum << endl;;
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for(int t=0;t<xyimgnum;t++)
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{
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strcat(record,"\t\t\t");
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strcat(record,suspict[t].c_str());
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strcat(record,"\t");
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char a[80];
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memset(a,0, sizeof(a));
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//cout << " " << suspict_wcd[t]<<endl;
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//cout<< "adwada"<<endl;
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sprintf(a, "%f", suspict_wcd[t]);
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strcat(record,a);
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strcat(record,"\n");
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}
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}
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else
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{
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strcat(record, "\t0\n");
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}
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fpzz=fopen(fpname,"a"); //创建文件 //a
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if(NULL==fpzz) return -1;//要返回错误代码
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fprintf(fpzz,record); //从控制台中读入并在文本输出
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fclose(fpzz);
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fpzz=NULL;//需要指向空，否则会指向原打开文件地址
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suspict.clear();
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suspict_wcd.clear();
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output_bzc.clear();
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memset(record,0,2400);
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memset(bzckesa,0,sizeof(bzckesa));
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memset(wcd,0,sizeof(wcd));
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memset(featdif,0,sizeof(featdif));
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printf("嫌疑数量：%d\t",xyimgnum);
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picAll += size;
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picSus += xyimgnum;
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printf("全部:%d嫌疑：%d比例为：%g\n",picAll, picSus,((float)picSus)/((float)picAll));
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xyimgnum=0;
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}
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dir.clear();
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cout << "学生总数:" << stuAll << " 作弊人数：" << stuSus << endl;
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printf("已经打印到txt中！");
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system("start C:/Users/闫帅帅/Desktop/result2.txt");
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system("pause");
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return 0; //(1-wcd[maxi])*100
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}
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