结构元素I2imerodeI1se用生成的结构元素对图像进行腐蚀subplot122imshowI2title腐蚀后图像axis5025050200grido
显示网格线axiso
显示坐标系17开启和闭合操作用MATLAB实现开启和闭合操作Iimreadxia
bmp载入图像subplot221imshowItitle原始图像axis5025050200
faxiso
显示坐标系I1rgb2grayIsubplot222imshowI1title灰度图像axis5025050200axiso
显示坐标系sestreldisk1采用半径为1的圆作为结构元素I2imope
I1se开启操作I3imcloseI1se闭合操作subplot223imshowI2title开启运算后图像axis5025050200axiso
显示坐标系subplot224imshowI3title闭合运算后图像axis5025050200axiso
显示坐标系18开启和闭合组合操作Iimreadxia
bmp载入图像subplot321imshowItitle原始图像axis5025050200axiso
显示坐标系I1rgb2grayIsubplot322imshowI1title灰度图像axis5025050200axiso
显示坐标系sestreldisk1I2imope
I1se开启操作I3imcloseI1se闭合操作subplot323imshowI2title开启运算后图像axis5025050200axiso
显示坐标系subplot324imshowI3title闭合运算后图像axis5025050200axiso
显示坐标系sestreldisk1I4imope
I1seI5imcloseI4sesubplot325imshowI5开闭运算图像title开闭运算图像
faxis5025050200axiso
显示坐标系I6imcloseI1seI7imope
I6sesubplot326imshowI7闭开运算图像title闭开运算图像axis5025050200axiso
显示坐标系19形态学边界提取利用MATLAB实现如下：Iimreadxia
bmp载入图像subplot131imshowItitle原始图像axis5025050200grido
显示网格线axiso
显示坐标系I1im2bwIsubplot132imshowI1title二值化图像axis5025050200grido
显示网格线axiso
显示坐标系I2bwperimI1获取区域的周长subplot133imshowI2title边界周长的二值图像axis5025050200grido
axiso
20形态学骨架提取利用MATLAB实现如下：Iimreadxia
bmpsubplot221imshowItitle原始图像axis5025050200axiso
I1im2bwIsubplot222imshowI1title二值图像axis5025050200axiso
I2bwmorphI1skel1subplot223imshowI2title1次骨架提取axis5025050200
faxiso
I3bwmorphI1skel2subplot224imshowI3title2次骨架提取axis5025050200axiso
21直接提取四个顶点坐标Iimreadxia
bmpII1BWim2bwIfigureimshowBWxygetpts
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