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.TH BLIND-SPLIT-CHANS 1 blind
.SH NAME
blind-split-chans - Split colour channels into separate videos
.SH SYNOPSIS
.B blind-split-chans
.I X-file
.I Y-file
.I Z-file
.RI [ alpha-file ]
.SH DESCRIPTION
.B blind-split-chans
reads a video from stdin and prints
it to
.I X-file
with the values of the first channel
(the X channel) in written to all
channels, to
.I Y-file
with the values of the second channel
(the Y channel) in written to all
channels, to
.I Z-file
with the values of the third channel
(the Z channel) in written to all
channels, and to
.I alpha-file
with the values of the fourth channel
(the alpha channel) in written to all
channels.
.P
If
.I alpha-file
is omitted, values of the alpha channel
are instead written to the alpha channels
in
.IR X-file ,
.IR Y-file ,
and
.IR Z-file .
.SH SEE ALSO
.BR blind (7),
.BR blind-arithm (1),
.BR blind-cat-cols (1),
.BR blind-cat-rows (1)
.SH AUTHORS
Mattias Andrée
.RI < maandree@kth.se >
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