pgmenhance
sharpens PGM grayscale images using edge enhancement
TLDR
Enhance image sharpness
$ pgmenhance [input.pgm] > [output.pgm]
Enhance with custom amount$ pgmenhance -[3] [input.pgm] > [output.pgm]
SYNOPSIS
pgmenhance [options] [file]
DESCRIPTION
pgmenhance sharpens PGM grayscale images using edge enhancement. Applies unsharp masking to increase apparent sharpness. Part of Netpbm toolkit.
PARAMETERS
- n
Enhancement amount (1-9, default 3).
SEE ALSO
pnmsharpen(1), pgmnorm(1)