im2li

NAME

im2li - vectorise an image.

SYNOPSIS

im2li [-?|-h|--help] [-s INTEGER|--sigma INTEGER] [-r DOUBLE|--regularize DOUBLE] FILE

DESCRIPTION

im2li vectorises an image FILE returning lines to the standard output. The program uses the Sheffield Canny edge detector of VXL.

OPTIONS

-h,--help,-?

Returns the manual page.

-s INTEGER, --sigma INTEGER

To reduce the effect of noise, the image is blurred before being processed. This option lets the user control the level of blur applied. INTEGER is the standard deviation of the smoothing kernel.

-r DOUBLE, --regularize DOUBLE

only produce line segments longer than DOUBLE pixels. Fits a spline to the polylines and discretise it with segments not shorter than DOUBLE.

-v,--verbose

Be verbose.

AUTHORS

Written by Pierre Smars (first version: 2008)

BUGS

Reports of bugs or problems should be submitted via electronic mail to <smars@yuntech.edu.tw>.

COPYRIGHT

Copyright (C) 2012 Pierre Smars. License GPLv2 <http://www.gnu.org/licenses/gpl-2.0.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

view_li(1)

Pierre SMARS (tools, home page)