可以提取叶脉，用matlab写的。用的是rgb2yuv，然后用hough变换
资源文件列表
VeinExtraction-master/10.jpg , 63210
VeinExtraction-master/14.jpg , 63422
VeinExtraction-master/22.jpg , 79288
VeinExtraction-master/Normalize.m , 232
VeinExtraction-master/README.md , 318
VeinExtraction-master/corner.m , 13533
VeinExtraction-master/distMatPreprocess.m , 481
VeinExtraction-master/endpoints.m , 751
VeinExtraction-master/localhist.m , 302
VeinExtraction-master/locatevein.m , 3372
VeinExtraction-master/main.m , 3826
VeinExtraction-master/rgb2yuv.m , 220
VeinExtraction-master/smallsearch.m , 249
VeinExtraction-master/test.m , 358
VeinExtraction-master/veinListProcess.m , 1111