1pfsoctavelum(1)             General Commands Manual            pfsoctavelum(1)
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NAME

6       pfsoctavelum - Process luminance in pfs stream using Octave
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SYNOPSIS

9       pfsoctavelum <octave_program>
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DESCRIPTION

12       Use  this  command to execute a GNU Octave program on luminance channel
13       of each frame in the pfs stream. octave_program must be given in quota‐
14       tion  marks  ("")  and  must  not  produce any output (it can output to
15       stderr, not to stdout). Color channels are scaled proportionaly to  the
16       luminance channel. Luminance channel is represented by matrix Y.
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18       Note: This command requires GNU Octave.
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EXAMPLES

21       pfsinrgbe  frames_%04d.hdr  | pfsoctavelum "Y = conv2( Y, gaussian( 10,
22       1/5 )*gaussian( 10, 1/5 )', 'same' );" | pfsview
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24       Blur the sequence of frames with gaussian blur and show the result with
25       pfsview.
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BUGS

28       Please   report  bugs  and  comments  to  Rafal  Mantiuk  <mantiuk@mpi-
29       sb.mpg.de>.
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35                                                               pfsoctavelum(1)
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