DSP课程设计报告最终版

郑州轻工业学院课程设计报告书题 目：Reverse图像求反 学 院：计算机与通信工程学院 专 业：电子信息科学与技术 姓 名：学 号： 指导老师： 一、 实验目的1了解数字图像处理的基本原理；2学习灰度图像求反处理技术；3掌握数字图像处理在DSP上的实现。二、 实验设备计算机，CCS 2.0版软件，DSP仿真器，实验箱。三、 实验要求1).了解使用DSP实现图像求反的方法2).分析图像如何输入，并存储在什么位置。3).修改程序，实现图像对比度增强。四、 实验设计流程图五、程序代码：1、主程序：#define IMAGEWIDTH 80#define IMAGEHEIGHT 80#define MODEGRAYBAR 0#define MODEGRAY 1#define MODEPHOTO1 2#define MODEPHOTO2 3#define MODEPHOTO3 4#define MODEPHOTO4 5void InitImage(unsigned int nMode,unsigned char *pImage,int nWidth,int nHeight);unsigned char dbImageIMAGEWIDTH*IMAGEHEIGHT;unsigned char dbTargetImageIMAGEWIDTH*IMAGEHEIGHT;/* 直方图统计实验程序 */int main()InitImage(MODEGRAYBAR,dbImage,IMAGEWIDTH,IMAGEHEIGHT);Reverse(IMAGEWIDTH,IMAGEHEIGHT);InitImage(MODEGRAY,dbImage,IMAGEWIDTH,IMAGEHEIGHT);/BreakPointReverse(IMAGEWIDTH,IMAGEHEIGHT);InitImage(MODEPHOTO1,dbImage,IMAGEWIDTH,IMAGEHEIGHT);/BreakPointReverse(IMAGEWIDTH,IMAGEHEIGHT);InitImage(MODEPHOTO2,dbImage,IMAGEWIDTH,IMAGEHEIGHT);/BreakPointReverse(IMAGEWIDTH,IMAGEHEIGHT);InitImage(MODEPHOTO3,dbImage,IMAGEWIDTH,IMAGEHEIGHT);/BreakPointReverse(IMAGEWIDTH,IMAGEHEIGHT);InitImage(MODEPHOTO4,dbImage,IMAGEWIDTH,IMAGEHEIGHT);/BreakPointReverse(IMAGEWIDTH,IMAGEHEIGHT);while (1);/BreakPoint2、初始化程序#include#define MODEGRAYBAR 0#define MODEGRAY 1#define MODEPHOTO1 2#define MODEPHOTO2 3#define MODEPHOTO3 4#define MODEPHOTO4 5#define MODEBLOCK 6#define MODEINCLINE 7#define MODEFPHOTO 8#define GRAYBARLEVEL 16 void ReadImage(unsigned char *pImage,char *cFileName,int nWidth,int nHeight);void InitImage(unsigned int nMode,unsigned char *pImage,int nWidth,int nHeight)int x,y,nWork,nWork1;unsigned char *pWork;int nPointx=nWidth/2;int nPointy=nHeight/2;float fWork;switch ( nMode )case MODEGRAYBAR:pWork=pImage; nWork=256/GRAYBARLEVEL; nWork1=nHeight/GRAYBARLEVEL;for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )(*pWork)=(y/nWork1)*nWork;break;/里面的灰度case MODEGRAY:pWork=pImage; nWork1=nHeight-nPointy; nWork=nWork1*nWork1;/（40，40）nWork1=nWidth-nPointx; nWork+=(nWork1*nWork1);/（40，3200）nWork/=256;/12for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )nWork1=(x-nPointx)*(x-nPointx)+(y-nPointy)*(y-nPointy);nWork1=255-nWork1/nWork;/0到255之间的一个灰度的园，以圆象中心为圆心，255-nwork1/nwork为中心 if ( nWork1255 )nWork1=255;(*pWork)=nWork1;/ pWork=pImage;break;case MODEPHOTO1:ReadImage(pImage,.DSP.bmp,nWidth,nHeight);break;case MODEPHOTO2:ReadImage(pImage,.1.bmp,nWidth,nHeight);break;case MODEPHOTO3:ReadImage(pImage,.2.bmp,nWidth,nHeight);break;case MODEPHOTO4:ReadImage(pImage,.3.bmp,nWidth,nHeight);break;case MODEBLOCK:pWork=pImage;for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )(*pWork)=0;/全黑pWork=pImage+(nHeight/4-1)*nWidth;for ( y=nHeight/4;ynHeight*3/4;y+,pWork+=nWidth )/20,60for ( x=nWidth/4;xnWidth*3/4;x+ )/20,60pWorkx=255;break;/白框case MODEINCLINE:pWork=pImage;for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )(*pWork)=0;/全黑pWork=pImage;fWork=nWidth/nHeight;for ( y=0;ynHeight/4;y+ )for ( x=nWidth/2-fWork*y;xnWidth/2+fWork*y;x+ )pWork(y+nHeight/4)*nWidth+x=255;/1719pWork(nHeight*3/4-y-1)*nWidth+x=255;break;/菱形case MODEFPHOTO:ReadImage(pImage,.fourier.bmp,nWidth,nHeight);break;default:break;void ReadImage(unsigned char *pImage,char *cFileName,int nWidth,int nHeight)int j;unsigned char *pWork;FILE *fp;if ( fp=fopen(cFileName,rb ) )/读取一二进制文件fseek(fp,1078L,SEEK_SET);/,从文件开头执行，将指针移到1078位pWork=pImage+(nHeight-1)*nWidth;/p指向image最后一行for ( j=0;jnHeight;j+,pWork-=nWidth )fread(pWork,nWidth,1,fp);fclose(fp);3、Reverse#include#define MODEGRAYBAR 0#define MODEGRAY 1#define MODEPHOTO1 2#define MODEPHOTO2 3#define MODEPHOTO3 4#define MODEPHOTO4 5#define MODEBLOCK 6#define MODEINCLINE 7#define MODEFPHOTO 8#define GRAYBARLEVEL 16 void ReadImage(unsigned char *pImage,char *cFileName,int nWidth,int nHeight);void InitImage(unsigned int nMode,unsigned char *pImage,int nWidth,int nHeight)int x,y,nWork,nWork1;unsigned char *pWork;int nPointx=nWidth/2;int nPointy=nHeight/2;float fWork;switch ( nMode )case MODEGRAYBAR:pWork=pImage; nWork=256/GRAYBARLEVEL; nWork1=nHeight/GRAYBARLEVEL;for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )(*pWork)=(y/nWork1)*nWork;break;/里面的灰度case MODEGRAY:pWork=pImage; nWork1=nHeight-nPointy; nWork=nWork1*nWork1;/（40，40）nWork1=nWidth-nPointx; nWork+=(nWork1*nWork1);/（40，3200）nWork/=256;/12for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )nWork1=(x-nPointx)*(x-nPointx)+(y-nPointy)*(y-nPointy);nWork1=255-nWork1/nWork;/0到255之间的一个灰度的园，以圆象中心为圆心，255-nwork1/nwork为中心 if ( nWork1255 )nWork1=255;(*pWork)=nWork1;/ pWork=pImage;break;case MODEPHOTO1:ReadImage(pImage,.DSP.bmp,nWidth,nHeight);break;case MODEPHOTO2:ReadImage(pImage,.1.bmp,nWidth,nHeight);break;case MODEPHOTO3:ReadImage(pImage,.2.bmp,nWidth,nHeight);break;case MODEPHOTO4:ReadImage(pImage,.3.bmp,nWidth,nHeight);break;case MODEBLOCK:pWork=pImage;for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )(*pWork)=0;/全黑pWork=pImage+(nHeight/4-1)*nWidth;for ( y=nHeight/4;ynHeight*3/4;y+,pWork+=nWidth )/20,60for ( x=nWidth/4;xnWidth*3/4;x+ )/20,60pWorkx=255;break;/白框case MODEINCLINE:pWork=pImage;for ( y=0;ynHeight;y+ )for ( x=0;xnWidth;x+,pWork+ )(*pWork)=0;/全黑pWork=pImage;fWork=nWidth/nHeight;for ( y=0;ynHeight/4;y+ )for ( x=nWidth/2-fWork*y;xnWidth/2+fWork*y;x+ )pWork(y+nHeight/4)*nWidth+x=255;/1719pWork(nHeight*3/4-y-1)*nWidth+x=255;break;/菱形case MODEFPHOTO:ReadImage(pImage,.fourier.bmp,nWidth,nHeight);break;default:break;void ReadImage(unsigned char *pImage,char *cFileName,int nWidth,int nHeight)int j;unsigned char *pWork;FILE *fp;if ( fp=fopen(cFileName,rb ) )/读取一二进制文件fseek(fp,1078L,SEEK_SET);/,从文件开头执行，将指针移到1078位pWork=pImage+(nHeight-1)*nWidth;/p指向image最后一行for ( j=0;jnHeight;j+,pWork-=nWidth )fread(pWork,nWidth,1,fp);fclose(fp);六、 实验现象修改程序，实现图像对比度增强#define IMAGEWIDTH 80#define IMAGEHEIGHT 80extern unsigned char dbImageIMAGEWIDTH*IMAGEHEIGHT;extern unsigned char dbTargetImageIMAGEWIDTH*IMAGEHEIGHT;int mi,mj;unsigned int m_nWork;unsigned char *pImg,*pImg1;void Reverse(int nWidth,int nHeight)for ( mi=0;minWidth;mi+,pImg+,pImg1+ )if(*pImg)30)(*pImg1)=(unsigned char)(*pImg)*0.5);else if(*pImg)225)(*pImg1)=(unsigned char)(1.15*(*pImg)-19);else (*pImg1)=(unsigned char)(0.5*(*pImg)+127);七、思考题1).图像是如何读入DSP内存中的，