形态学图像处理-腐蚀和膨胀

news/2024/7/21 5:41:32 标签: 图像处理, matrix, null, c, file, 测试
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color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> 腐蚀：

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">       把结构元素S 平移x 后得到Sx ࿰c;若Sx 包含于X ࿰c;我们记下这个x 点࿰c;所有满足上述条件的x 点组成的集合称做X 被S 腐蚀(Erosion)的结果。用公式表示为：

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">          c="https://p-blog.csdn.net/images/p_blog_csdn_net/vincentzhao2009/609566/o_%E6%9C%AA%E5%91%BD%E5%90%8D_thumb.jpg" border="0" alt="未命名" width="103" height="21" style="border-top-style:none; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; border-top-width:0px; display:inline; border-left-width:0px; border-bottom-width:0px; border-right-width:0px" />

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">       腐蚀的方法是࿰c;拿S 的原点和X上的点一个一个地对比࿰c;如果S 上的所有点都在X 的范围内࿰c;则S 的原点对应的点保留࿰c;否则将该点去掉。以下是详细的代码࿰c;并且附上测试图片：

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> #include 
#include 
#include 
#include 
#include

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> unsigned char **get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(int m,int n) 
{ 
int i; 
unsigned char **a; 
a=(unsigned char **)calloc(m,sizeof(unsigned char *)); 
for(i=0;ireturn a; 
}

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> main(){ 
FILE *fs,*fd; 
unsigned char c1,c2,**ps,**pd,**get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(int,int); 
int width,height,L,i,j,l,m,match; 
    if((fs= fopen("sourcea.pgm","rb")) ==NULL){ 
        printf("can't open %s/n","source.pgm"); 
        exit(1); 
    } 
    if((fd = fopen("destination.pgm","wb")) ==NULL){ 
        printf("can't open %s/n","destination.pgm"); 
        exit(1); 
    }

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> fscanf(fs,"%c%c/n%d%d/n%d/n",&c1,&c2,&width,&height,&L); 
ps=get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(height,width); 
pd=get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(height,width);

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> for(i=0;i    for(j=0;j        fread(&ps[i][j],sizeof(unsigned char),1,fs); 
        pd[i][j] = 0; 
    } 
}

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> /// 
match = 1; 
for(i=0;i    for(j=0;j        for(m=i;m            for(l=j;l                if(ps[m][l]!=255){ 
                    match = 0; 
                } 
            } 
        } 
        if(match != 0){ 
            pd[i][j]=255; 
        } 
        match = 1; 
    } 
} 
// 
fprintf(fd,"%c%c/n%d %d/n%d/n",'P','5',width,height,L); 
for(i=0;i    for(j=0;j        fwrite(&pd[i][j],sizeof(unsigned char),1,fd); 
    } 
} 
}

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> ce" src="https://p-blog.csdn.net/images/p_blog_csdn_net/vincentzhao2009/609566/o_source_thumb_2.jpg" border="0" alt="source" width="240" height="240" style="border-top-style:none; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; border-top-width:0px; display:inline; border-left-width:0px; border-bottom-width:0px; border-right-width:0px" /> c="https://p-blog.csdn.net/images/p_blog_csdn_net/vincentzhao2009/609566/o_destination_thumb_2.jpg" border="0" alt="destination" width="240" height="240" style="border-top-style:none; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; border-top-width:0px; display:inline; border-left-width:0px; border-bottom-width:0px; border-right-width:0px" />

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">       膨胀：

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">       把结构元素S 平移x 后得到Sx ࿰c;若Sx 与X 相交不为空࿰c;我们记下这个x 点࿰c;所有满足上述条件的x 点组成的集合称做X 被S 膨胀((dilation))的结果。用公式表示为：

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">      c="https://p-blog.csdn.net/images/p_blog_csdn_net/vincentzhao2009/609566/o_%E6%9C%AA%E5%91%BD%E5%90%8D_thumb_1.jpg" border="0" alt="未命名" width="138" height="19" style="border-top-style:none; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; border-top-width:0px; display:inline; border-left-width:0px; border-bottom-width:0px; border-right-width:0px" />

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">       膨胀的方法是࿰c;拿S 的原点和X 上的点一个一个地对比࿰c;如果S 上有一个点落在X 的范围内࿰c;则S 的原点对应的点就为图像。以下是详细的代码࿰c;并且附上测试图片：

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> #include 
#include 
#include 
#include 
#include

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> unsigned char **get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(int m,int n) 
{ 
int i; 
unsigned char **a;

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> a=(unsigned char **)calloc(m,sizeof(unsigned char *)); 
for(i=0;ireturn a; 
}

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> main(){ 
FILE *fs,*fd; 
unsigned char c1,c2,**ps,**pd,**v,**get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(int,int); 
int width,height,L,i,j,l,m,windowSize,match; 
    if((fs= fopen("source.pgm","rb")) ==NULL){ 
        printf("can't open %s/n","source.pgm"); 
        exit(1); 
    } 
    if((fd = fopen("destination.pgm","wb")) ==NULL){ 
        printf("can't open %s/n","destination.pgm"); 
        exit(1); 
    }

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> fscanf(fs,"%c%c/n%d%d/n%d/n",&c1,&c2,&width,&height,&L); 
ps=get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(height,width); 
pd=get_class="tags" href="/tags/MATRIX.html" title=matrix>matrix_space(height,width);

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> for(i=0;i    for(j=0;j        fread(&ps[i][j],sizeof(unsigned char),1,fs); 
    } 
} 
match = 0; 
// 
//用2x2方块作为膨胀的结构元素。 
for(i=0;i    for(j=0;j        for(l=i;l            for(m=j;m                if(ps[l][m]==255){ 
                    match = 1; 
                } 
            } 
        } 
        if(match == 1){ 
            pd[i][j] = 255; 
            match = 0; 
        } 
    } 
} 
// 
fprintf(fd,"%c%c/n%d %d/n%d/n",'P','5',width,height,L); 
for(i=0;i    for(j=0;j        fwrite(&pd[i][j],sizeof(unsigned char),1,fd); 
    } 
} 
}

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> ce" src="https://p-blog.csdn.net/images/p_blog_csdn_net/vincentzhao2009/609566/o_source_thumb_1.jpg" border="0" alt="source" width="240" height="240" style="border-top-style:none; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; border-top-width:0px; display:inline; border-left-width:0px; border-bottom-width:0px; border-right-width:0px" /> c="https://p-blog.csdn.net/images/p_blog_csdn_net/vincentzhao2009/609566/o_destination_thumb_1.jpg" border="0" alt="destination" width="240" height="240" style="border-top-style:none; border-right-style:none; border-bottom-style:none; border-left-style:none; border-width:initial; border-color:initial; border-top-width:0px; display:inline; border-left-width:0px; border-bottom-width:0px; border-right-width:0px" />

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left"> 参考文献：http://yzhkch.ecit.edu.cn/jsjtxx/html/image_6_1.htm

color:rgb(51,51,51); font-family:Arial; font-size:14px; line-height:26px; text-align:left">                  http://blog.csdn.net/vincentzhao2009/article/details/4723469


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