plan9 man page for lum

Query: lum

OS: plan9

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

LUM(9.1)																  LUM(9.1)

NAME
lum - compute luminance
SYNOPSIS
fb/lum [ input ]
DESCRIPTION
Lum computes the luminance of the input picture using the NTSC formula L=.299R+.587G+.114B. Pixel values are mapped through the input image's color map, if any. The resulting image is written to standard output.
SOURCE
/sys/src/fb/lum.c
SEE ALSO
picfile(9.6) LUM(9.1)
Related Man Pages
pfsabsolute(1) - debian
pcp(9) - plan9
pic2ps(9) - plan9
pfsabsolute(1) - suse
pextrem(1) - hpux
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