This is the command pfsoctavelum that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
pfsoctavelum - Process luminance in pfs stream using Octave
SYNOPSIS
pfsoctavelum <octave_program>
DESCRIPTION
Use this command to execute a GNU Octave program on luminance channel of each frame in the
pfs stream. octave_program must be given in quotation marks ("") and must not produce any
output (it can output to stderr, not to stdout). Color channels are scaled proportionaly
to the luminance channel. Luminance channel is represented by matrix Y.
Note: This command requires GNU Octave.
EXAMPLES
pfsinrgbe frames_%04d.hdr | pfsoctavelum "Y = conv2( Y, gaussian( 10, 1/5 )*gaussian( 10,
1/5 )', 'same' );" | pfsview
Blur the sequence of frames with gaussian blur and show the result with pfsview.
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