目录边缘检测边缘检测算子1、Roberts算子2、Prewitt算子3、Sobel算子4、Canny算子5、拉普拉斯算子效果实验1、 Roberts边缘检测2、Prewitt 边缘检测3、Sobel边缘检测4、Canny边缘检测5、Laplacian 边缘检测总结
开发者_Python百科Why is it that when I shift the exit code, $?, in Perl by eight, I get 255 when I expect it to be -1?The exit status returned by \'wait()\' is a 16-bit value.Of those 16 bits, the hig