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
pads: aux input output
parent-class: GeglOperationComposer
categories: matting
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.