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Man Pages


Manual Reference Pages  -  TCA_CORRECT (1)

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NAME

tca_correct - Calculate transverse chromatic aberration

CONTENTS

SYNOPSIS

tca_correct [options] inputfile

<inputfile> is the base name of 4 image files:
<inputfile> Colour file to compute TCA parameters
red_<inputfile> Red channel of <inputfile>
green_<inputfile> Green channel of <inputfile>
blue_<inputfile> Blue channel of <inputfile>
The channel images must be colour images with 3 identical channels. If any of -R, -G, or -B is given, this file name is used instead of the derived name.

Output: commandline arguments for fulla

DESCRIPTION

Generates fulla command-line parameters for correction of transverse chromatic aberration (TCA) from sample photos. Ideal sample photos would have a lot of contrast over the entire image area, little saturated colour and no blown highlights.

OPTIONS

-h Display help
-l input file is PTO file instead of image
-m method optimization method (0 normal, 1 newfit)
-o optvars string of variables to optimize (abcvde)
-r Reset values (this will zero a,b,c,d,e params and set v to 10) makes sense only with -l option
-s <scale> Scale for corner detection
-n <number> number of points per grid cell (default: 10)
-g <number> divide image in <number>x<number> grid cells (default: 10)
-t num Remove all control points with an error higher than num pixels (default: 1.5)
-v Verbose
--save-into-database Saves the tca data into Hugin lens database
-w filename write PTO file
-R <r> Use this file as red channel
-G <g> Use this file as green channel
-B <b> Use this file as blue channel

AUTHORS

Written by Pablo d’Angelo and others.
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Version: 2016.0.0 TCA_CORRECT (1) 2015-07-17

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