<put algortithm description here>
Input Image
[raster]Selected Channel
[number]<put parameter description here>
Default: 1
Available RAM (Mb)
[number]<put parameter description here>
Default: 128
Edge feature
[selection]<put parameter description here>
Options:
Default: 0
The Radius
[number]<put parameter description here>
Default: 1
Feature Output Image
[raster]processing.runalg('otb:edgeextractiontouzi', -in, -channel, -ram, -filter, -filter.touzi.xradius, -out)