实验三 边缘检测\baboon256.bmp ...............\bacteria.BMP ...............\ban.m ...............\blood1.BMP ...............\lena.bmp ...............\lokiew.doc ...............\mnm.m ...............\zeros.m ...............\边缘检测LOG.asv ...............\边缘检测LOG.m ...............\边缘检测prewitt&sobel.m 实验三 边缘检测