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值滤波程序如下:Iimreadxia
bmpIrgb2grayIJim
oiseIsaltpepper002subplot231imshowItitle原图像subplot232imshowJtitle添加椒盐噪声图像k1medfilt2J进行33模板中值滤波k2medfilt2J55进行55模板中值滤波k3medfilt2J77进行77模板中值滤波k4medfilt2J99进行99模板中值滤波subplot233imshowk1title33模板中值滤波subplot234imshowk2title55模板中值滤波subplot235imshowk3title77模板中值滤波subplot236imshowk4title99模板中值滤波7用Sobel算子和拉普拉斯对图像锐化:Iimreadxia
bmpsubplot221imshowItitle原始图像axis5025050200grido
显示网格线axiso
显示坐标系I1im2bwIsubplot222imshowI1
ftitle二值图像axis5025050200grido
显示网格线axiso
显示坐标系Hfspecialsobel选择sobel算子Jfilter2HI1卷积运算subplot223imshowJtitlesobel算子锐化图像axis5025050200grido
显示网格线axiso
显示坐标系h010141010拉普拉斯算子J1co
v2I1hsame卷积运算subplot224imshowJ1title拉普拉斯算子锐化图像axis5025050200grido
显示网格线axiso
显示坐标系8梯度算子检测边缘用MATLAB实现如下:Iimreadxia
bmpsubplot231imshowItitle原始图像axis5025050200grido
显示网格线axiso
显示坐标系I1im2bwIsubplot232imshowI1title二值图像axis5025050200grido
显示网格线axiso
显示坐标系I2edgeI1robertsfiguresubplot233imshowI2titleroberts算子分割结果axis5025050200grido
显示网格线axiso
显示坐标系I3edgeI1sobelsubplot234
fimshowI3titlesobel算子分割结果axis5025050200grido
显示网格线axiso
显示坐标系I4edgeI1Prewittsubplot235imshowI4titlePrewitt算子分割结果axis5025050200grido
显示网格线axiso
显示坐标系9LOG算子检测边缘用MATLAB程序实现如下:Iimreadxia
bmpsubplot221imshowItitle原始图像I1rgb2grayIsubplot222imshowI1title灰度图像I2edgeI1logsubplot223imshowI2titlelog算子分割结果10Ca
y算子检测边缘用MATLAB程序实现如下:Iimreadxia
bmpsubplot221imshowItitle原始图像I1rgb2grayIsubplot222imshowI1title灰度图像I2edgeI1ca
ysubplot223imshowI2titleca
y算子分割结果11边界跟踪(bwtracebou
dary函数)clcclearallIimreadxia
bmp
ffigureimshowItitle原始图像I1rgb2grayI将彩色图像转化灰度图像thresholdgraythreshI1r
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