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、实验目的了解数字图像处理的基本原理；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，CCS2.0版软件，DSP仿真器，实验箱。三、实验要求.了解使用DSP实现图像求反的方法.分析图像如何输入，并存储在什么位置。.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：#defineIMAGEWIDTH80#defineIMAGEHEIGHT80#defineMODEGRAYBAR0#defineMODEGRAY1#defineMODEPHOTO12#defineMODEPHOTO23#defineMODEPHOTO34#defineMODEPHOTO45voidInitImage(unsignedintnMode,unsignedchar*pImage,intnWidth,intnHeight);unsignedchardbImage[IMAGEWIDTH*IMAGEHEIGHT];unsignedchardbTargetImage[IMAGEWIDTH*IMAGEHEIGHT];/*直方图统计实验程序*/intmain()(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<stdio.h>#defineMODEGRAYBAR0#defineMODEGRAY1#defineMODEPHOTO12#defineMODEPHOTO23#defineMODEPHOTO34#defineMODEPHOTO45#defineMODEBLOCK6#defineMODEINCLINE7#defineMODEFPHOTO8#defineGRAYBARLEVEL16voidReadImage(unsignedchar*pImage,char*cFileName,intnWidth,intnHeight);voidInitImage(unsignedintnMode,unsignedchar*pImage,intnWidth,intnHeight)(intx,y,nWork,nWork1;unsignedchar*pWork;intnPointx二nWidth/2;intnPointy二nHeight/2;floatfWork;switch(nMode)(caseMODEGRAYBAR:pWork二pImage;nWork=256/GRAYBARLEVEL;nWork1二nHeight/GRAYBARLEVEL;for(y=0;y<nHeight;y++)(for(x=0;x<nWidth;x++,pWork++)((*pWork)=(y/nWork1)*nWork;}}break;//里面的灰度caseMODEGRAY:pWork二pImage;nWork1二nHeight-nPointy;nWork二nWork1*nWork1;//(40,40)nWork1二nWidth-nPointx;nWork+=(nWork1*nWork1);//(40,3200)nWork/=256;//12for(y=0;y<nHeight;y++)(for(x=0;x<nWidth;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(nWork1<0)nWork1=0;elseif(nWork1>255)nWork1=255;(*pWork)=nWork1;//pWork=pImage;}}break;caseMODEPHOTO1:ReadImage(pImage,〃..\\DSP.bmp〃，nWidth,nHeight);break;caseMODEPHOTO2:ReadImage(pImage,〃..\\1.bmp〃，nWidth,nHeight);break;caseMODEPHOTO3:ReadImage(pImage,〃..\\2.bmp〃，nWidth,nHeight);break;caseMODEPHOTO4:ReadImage(pImage,〃..\\3.bmp〃，nWidth,nHeight);break;caseMODEBLOCK:pWork=pImage;for(y=0;y<nHeight;y++)for(x=0;x<nWidth;x++,pWork++)(*pWork)=0;//全黑pWork=pImage+(nHeight/4-1)*nWidth;for(y=nHeight/4;y<nHeight*3/4;y++,pWork+=nWidth)//20,60for(x=nWidth/4;x<nWidth*3/4;x++)//20,60pWork[x]=255;break;//白框caseMODEINCLINE:pWork二pImage;for(y=0;y<nHeight;y++)for(x=0;x<nWidth;x++,pWork++)(*pWork)=0;//全黑pWork二pImage;fWork二nWidth/nHeight;for(y=0;y<nHeight/4;y++)for(x=nWidth/2-fWork*y;x<nWidth/2+fWork*y;x++)(pWork[(y+nHeight/4)*nWidth+x]=255;//1719pWork[(nHeight*3/4-y-1)*nWidth+x]=255;}break;//菱形caseMODEFPHOTO:ReadImage(pImage,〃..\\fourier.bmp〃，nWidth,nHeight);break;default:break;}}voidReadImage(unsignedchar*pImage,char*cFileName,intnWidth,intnHeight)(intj;unsignedchar*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最后一彳亍for(j=0;j<nHeight;j++,pWork-二nWidth)fread(pWork,nWidth,1,fp);fclose(fp);}}3、Reverse#include<stdio.h>#defineMODEGRAYBAR0#defineMODEGRAY1#defineMODEPHOTO12#defineMODEPHOTO23#defineMODEPHOTO34#defineMODEPHOTO45#defineMODEBLOCK6#defineMODEINCLINE7#defineMODEFPHOTO8#defineGRAYBARLEVEL16voidReadImage(unsignedchar*pImage,char*cFileName,intnWidth,intnHeight);voidInitImage(unsignedintnMode,unsignedchar*pImage,intnWidth,intnHeight)(intx,y,nWork,nWork1;unsignedchar*pWork;intnPointx二nWidth/2;intnPointy二nHeight/2;floatfWork;switch(nMode)(caseMODEGRAYBAR:pWork二pImage;nWork=256/GRAYBARLEVEL;nWorkl二nHeight/GRAYBARLEVEL;for(y=0;y<nHeight;y++)(for(x=0;x<nWidth;x++,pWork++)((*pWork)=(y/nWork1)*nWork;}}break;//里面的灰度caseMODEGRAY:pWork=pImage;nWorkl二nHeight-nPointy;nWork二nWork1*nWork1;//(40,40)nWorkl二nWidth-nPointx;nWork+=(nWork1*nWork1);//(40,3200)nWork/=256;//12for(y=0;y<nHeight;y++)(for(x=0;x<nWidth;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(nWork1<0)nWork1=0;elseif(nWork1>255)nWork1=255;(*pWork)=nWork1;//pWork=pImage;}break;caseMODEPHOTO1:ReadImage(pImage,〃..\\DSP.bmp〃，nWidth,nHeight);break;caseMODEPHOTO2:ReadImage(pImage,〃..\\1.bmp〃，nWidth,nHeight);break;caseMODEPHOTO3:ReadImage(pImage,〃..\\2.bmp〃，nWidth,nHeight);break;caseMODEPHOTO4:ReadImage(pImage,〃..\\3.bmp〃，nWidth,nHeight);break;caseMODEBLOCK:pWork二pImage;for(y=0;y<nHeight;y++)for(x=0;x<nWidth;x++,pWork++)(*pWork)=0;//全黑pWork二pImage+(nHeight/4-1)*nWidth;for(y=nHeight/4;y<nHeight*3/4;y++,pWork+=nWidth)//20,60for(x=nWidth/4;x<nWidth*3/4;x++)//20,60pWork[x]=255;break;//白框caseMODEINCLINE:pWork=pImage;for(y=0;y<nHeight;y++)for(x=0;x<nWidth;x++,pWork++)(*pWork)=0;//全黑pWork=pImage;fWork二nWidth/nHeight;for(y=0;y<nHeight/4;y++)for(x=nWidth/2-fWork*y;x<nWidth/2+fWork*y;x++)(pWork[(y+nHeight/4)*nWidth+x]=255;//1719pWork[(nHeight*3/4-y-1)*nWidth+x]=255;}break;//菱形caseMODEFPHOTO:ReadImage(pImage,〃..\\fourier.bmp〃，nWidth,nHeight);break;default:break;}}voidReadImage(unsignedchar*pImage,char*cFileName,intnWidth,intnHeight)(intj;unsignedchar*pWork;FILE*fp;if(fp二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最后一彳亍for(j=0;j<nHeight;j++,pWork-二nWidth)fread(pWork,nWidth,1,fp);fclose(fp);}}六、实验现象

▼DebugInitlmage(MODEPHOTO3,dbIma3e,IMAiReverse1：IMAGEWIDIH,IMAGEHEIGHT);Imtlmage(MODEPHOTO4,dbIma3e,IMAiReverse(IMAGEWIDTH,IMAGEHEIGHT);Initlmage(MODEPHOTO2,dblmaige,IMAiReverse(IMAGEWIDIH,IMAGEHEIGHT);Initlmage(MODEPHOTOl,dblmage,IMAiReverse(IMAGEWIDTH,IMAGEHEIGHT);Initlmage(MODEGRAYBAR,dbImage,IKReverse(IMAGEWIDIH,IMAGEHEIGHT);Initlmage(MODEGRAY,dblinage,IMAGE'Reverse(IMAGEWIDTH,IMAGEHEIGHT);■■…Include|ZZ|Librari□,■■€3Source:ti]Imag闵Initlmage.c闵ReverstVC5509.CMDImage.pjt-DebugGELfil成-日PreBI»age.pjt(Debu；IDependentProj«'IDocumenteQDSP/BIOSConfig■…uGeneratedFiles■--*直方图统计实验程序intmain()修改程序，实现图像对比度增强#defineIMAGEWIDTH80#defineIMAGEHEIGHT80externunsignedchardbImage[IMAGEWIDTH*IMAGEHEIGHT];externunsignedchardbTargetImage[IMAGEWIDTH*IMAGEHEIGHT];intmi,mj;unsignedintm_nWork;unsignedchar*pImg,*pImg1;voidReverse(intnWidth,intnHeight)(for(mi=0;mi<nWidth;mi++,pImg++,pImg1++)if((*pImg)<30)(*pImg1)=(unsignedchar)((*pImg)*0.5);elseif((*pImg)<225)(*pImg1)=(unsignedchar)(1.15*((*pImg))-19);else(*pImg1