PCNN边缘提取 ............\PCNN边缘提取 ............\............\Jiabian.m ............\............\bianhuan.m ............\............\judge_edge.m ............\............\lena.png ............\............\lena.png.bmp ............\............\lena.png.gif ............\............\pcnn.m ............\............\test.m