Matting Levin

Given a sparse user supplied tri-map and an input image, create a foreground alpha mat. Set white as selected, black as unselected, for the tri-map.
Epsilon
Log of the error weighting
name: epsilon type: int default: -6 minimum: -9 maximum: -1 ui-minimum: -9 ui-maximum: -1 ui-gamma: 1.00 ui-step-small: 1 ui-step-big: 2
Radius
Radius of the processing window
name: radius type: int default: 1 minimum: 1 maximum: 3 ui-minimum: 1 ui-maximum: 3 ui-gamma: 1.00 ui-step-small: 1 ui-step-big: 2
Threshold
Alpha threshold for multilevel processing
name: threshold type: double default: 0.02 minimum: 0.00 maximum: 0.10 ui-minimum: 0.00 ui-maximum: 0.10 ui-gamma: 1.00 ui-step-small: 0.00 ui-step-big: 0.10 ui-digits: 3
Lambda
Trimap influence factor
name: lambda type: double default: 100.00 minimum: 0.00 maximum: 100.00 ui-minimum: 0.00 ui-maximum: 100.00 ui-gamma: 1.00 ui-step-small: 1.00 ui-step-big: 10.00 ui-digits: 2
Levels
Number of downsampled levels to use
name: levels type: int default: 4 minimum: 0 maximum: 8 ui-minimum: 0 ui-maximum: 8 ui-gamma: 1.00 ui-step-small: 1 ui-step-big: 5
Active levels
Number of levels to perform solving
name: active-levels type: int default: 2 minimum: 0 maximum: 8 ui-minimum: 0 ui-maximum: 8 ui-gamma: 1.00 ui-step-small: 1 ui-step-big: 5
name: gegl:matting-levin
pads: aux input output
parent-class: GeglOperationComposer
categories: matting
source: operations/external/matting-levin.c
GEGL This page is part of the online GEGL Documentation, GEGL is a data flow based image processing library/framework, made to fuel GIMPs high-bit depth non-destructive editing future.