tldr/pages/common/pgmenhance.md

pgmenhance

Edge-enhance a PGM image. See also: pamedge. More information: https://netpbm.sourceforge.net/doc/pgmenhance.html.

• Edge-enhance a PGM image:

pgmenhance {{path/to/image.pgm}} > {{path/to/output.pgm}}

• Specify the level of enhancement:

pgmenhance -{{1..9}} {{path/to/image.pgm}} > {{path/to/output.pgm}}