glenda.party
term% ls -F
term% pwd
$home/manuals/plan9_2nd/9/he
term% cat index.txt
HE(9.1)                                                                HE(9.1)



NAME
       he - histogram equalization

SYNOPSIS
       fb/he [ input ]

DESCRIPTION
       He  reads  a  picture  file (default standard input) and maps its pixel
       values monotonically to make their histogram as even as possible.   The
       resulting picture file is written to standard output.

SOURCE
       /sys/src/fb/he.c

SEE ALSO
       picfile(9.6)



                                                                       HE(9.1)