The main function for local thresholding. averagefilter.m A subroutine - a faster version of MATLAB s build-in fspecial( average , [3 3]). bradley.png-The main function for local thresholding. averagefilter.m A subroutine- a faster version o

在Matlab图像处理工具箱中的Phantom函数，可以产生Shepp －Logan的大脑图，该图作为一个测试图，可反映人大脑的许多性质-In the Phantom function in Matlab image processing toolbox, can generate Shepp - Logan brain figure, the figure as a test pattern, can reflect the brain s many properties