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#include

#include

#include

#include

#include

#include

#include "stdlib.h"

#include "string.h"

#define width 256

#define higth 256

//原圖象的寬度和高度

int lvbo(unsigned char D[])

{

int a;

a=(D[0]+D[1]+D[2]+D[3]+D[4]+D[5]+D[6]+D[7]+D[8]+D[9]+D[10]+D[11]+D[12]+D[13]+D[14]+D[15]+D[16]+D[17]+D[18]+D[19]+D[20]+D[21]+D[22]+D[23]+D[24])/25;

//printf("%d",a);

return a;

}

void main()

{

FILE *fp,*newfp;

int i,j;

unsigned char D[25];//定義選取框

unsigned char buffer[54+1024];//定義原圖像頭緩沖區(qū)

unsigned long length=width*higth;//圖像的總象素個(gè)數(shù)

unsigned char readData[higth][width]; //用于存儲(chǔ)原圖數(shù)據(jù)的數(shù)組

unsigned char writeData[higth][width]; //用于存儲(chǔ)原圖數(shù)據(jù)的數(shù)組

if(!(fp=fopen("C:\\Users\\Alan\\Desktop\\pic\\line.jpg","rb")))

{

printf("Open file1 error!\n");

return ;

}

if(!(newfp=fopen("C:\\Users\\Alan\\Desktop\\pic\\2.jpg","wb")))

{

printf("Open file2 error!\n");

return ;

}

fread(buffer,1,54+1024,fp);//讀取文件頭54個(gè)字節(jié)

fread(&readData[0][0], sizeof(unsigned char),length, fp);//從原圖讀入數(shù)據(jù)

for(i=0;i

{

for(j=0;j

{

writeData[i][j]=readData[i][j];

}

}

for(i=2;i

{

for(j=2;j

{

D[0]=readData[i-2][j-2];

D[1]=readData[i-2][j-1];

D[2]=readData[i-2][j];

D[3]=readData[i-2][j+1];

D[4]=readData[i-2][j+2];

D[5]=readData[i-1][j-2];

D[6]=readData[i-1][j-1];

D[7]=readData[i-1][j];

D[8]=readData[i-1][j+1];

D[9]=readData[i-1][j+2];

D[10]=readData[i][j-2];

D[11]=readData[i][j-1];

D[12]=readData[i][j];

D[13]=readData[i][j+1];

D[14]=readData[i][j+2];

D[15]=readData[i+1][j-2];

D[16]=readData[i+1][j-1];

D[17]=readData[i+1][j];

D[18]=readData[i+1][j+1];

D[19]=readData[i+1][j+2];

D[20]=readData[i+2][j-2];

D[21]=readData[i+2][j-1];

D[22]=readData[i+2][j];

D[23]=readData[i+2][j+1];

D[24]=readData[i+2][j+2];

writeData[i][j]=lvbo(D);

}

}

fwrite(buffer,sizeof(unsigned char),54+1024,newfp);

fwrite(writeData,sizeof(unsigned char),length,newfp);

fclose(newfp);

fclose(fp);

printf("success\n");

return ;

}

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