文件列表:

example.m (1084, 2003-11-16)
bindil.m (1679, 2003-11-16)
bdil6.c (10734, 2003-11-13)
bero4.c (13649, 2003-11-16)
binero.m (1746, 2003-11-16)

Binary dilation and erosion: a faster implementation This .zip file includes: - readme.txt ---> this file - bero4.c ----> a c file which must be mex compiled - bdil6.c -----> a c mex file which must be mex copiled - binero.m ---> a m-function (erosion) - bindil.m ---> a m-function (dilation) - example.m ---> a simple m file ( examples ) bindil(im,se) performs 2D binary dilation im can be logical, uint8 or uint32. The result is a 2D matrix (same type of im) If im is uint32 the input is considered packed (bwpack). se is the structuring element and can be logical, uint8 or strel binero(im,se,value) performs 2D binary erosion im can be logical, uint8 or uint32. The result is a 2D matrix (same type of im) If im is uint32 the input is considered packed (bwpack) se is the structuring element and can be logical, uint8 or strel Input image is considered surrounded by a sufficient number of ON pixels. "value" is the size of original ( unpacked ) image if im is packed. In case im is logical or uint8 , "value" is not necessary. Our functions take advantage of Matlab 's decomposition of the structuring element but they result much faster (try to run example.m to see the speed improvement factor, changing the parameters) NOTES: in case N=size(im,2) is much smaller than M=size(im,1) our implementation is a bit slower. In all the other cases the speed improvement is excellent. ********************************************************************************************************** Please contribute if you find this software useful. Report any bug to luigi.rosa@tiscali.it ********************************************************************************************************** Luigi Rosa Via Centrale 35 67042 Civita Di Bagno L'Aquila -- Italy mobile +39 340 3463208 email luigi.rosa@tiscali.it **********************************************************************************************************

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