pamedge

Detect edges

$ pamedge [input.pam] > [output.pam]

$ cat [image.pam] | pamedge > [edges.pam]

pamedge [file]

pamedge performs edge detection. Uses gradient-based method.
The tool highlights edges in images. Part of Netpbm.

FILE

Input PAM/PNM image.

Part of Netpbm. Simple edge detection. Grayscale output.

pamedge is part of Netpbm for basic edge detection.

pnmconvol(1), pgmedge(1), netpbm(1)