1图像反转MATLAB程序实现如下：Iimreadxia
bmpJdoubleIJJ2561图像反转线性变换Hui
t8Jsubplot121imshowIsubplot122imshowH2灰度线性变换MATLAB程序实现如下：Iimreadxia
bmpsubplot221imshowItitle原始图像axis5025050200axiso
显示坐标系I1rgb2grayIsubplot222imshowI1title灰度图像axis5025050200axiso
显示坐标系JimadjustI10105局部拉伸，把0105内的灰度拉伸为01subplot223imshowJtitle线性变换图像0105axis5025050200grido
显示网格线axiso
显示坐标系KimadjustI10307局部拉伸，把0307内的灰度拉伸为01subplot224imshowKtitle线性变换图像0307axis5025050200grido
显示网格线axiso
显示坐标系3非线性变换MATLAB程序实现如下：Iimreadxia
bmpI1rgb2grayIsubplot121imshowI1title灰度图像axis5025050200grido
显示网格线axiso
显示坐标系JdoubleI1J40logJ1Hui
t8J
fsubplot122imshowHtitle对数变换图像axis5025050200grido
显示网格线axiso
显示坐标系4直方图均衡化MATLAB程序实现如下：Iimreadxia
bmpIrgb2grayIfiguresubplot221imshowIsubplot222imhistII1histeqIfiguresubplot221imshowI1subplot222imhistI15线性平滑滤波器用MATLAB实现领域平均法抑制噪声程序：Iimreadxia
bmpsubplot231imshowItitle原始图像Irgb2grayII1im
oiseIsaltpepper002subplot232imshowI1title添加椒盐噪声的图像k1filter2fspecialaverage3I1255进行33模板平滑滤波k2filter2fspecialaverage5I1255进行55模板平滑滤波k3filter2fspecialaverage7I1255进行77模板平滑滤波k4filter2fspecialaverage9I1255进行99模板平滑滤波subplot233imshowk1title33模板平滑滤波subplot234imshowk2title55模板平滑滤波subplot235imshowk3title77模板平滑滤波subplot236imshowk4title99模板平滑滤波6中值滤波器用MATLAB实现中值滤波程序如下：Iimreadxia
bmpIrgb2grayIJim
oiseIsaltpepper002
fsubplot231imshowItitle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r