Commit ID 264df8794600ad92470295ebf9fa342973617a98
as Danny Robson
|Date:||14-August-2010 at 12:42||Lines Added:||1812|
|Repository:||git://git.gnome.org/gegl master||Lines Removed:||0|
|Commit Comment:||operations: add levin et. al soft matting
Implements the paper 'A Closed Form Solution to Natural Image Matting'
by Levin et al. A user specifies image regions as: foreground, background,
and unknown (in our implementation: white, black, transparent).
The implementation is based on the MATLAB implementation published by
Levin et al.
Care must be taken on large images, due to the algorithm's memory
requirements; specifying smaller unknown regions will reduce memory
Execution speed may be increased by increasing 'levels', and
'active_levels'. These specify the depth of downsampled solutions, and
the number of these which are directly solved solutions.
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