[Digikam-devel] [patch SVN 0.9.0] imageeffect_noisereduction.cpp

[Peter Heckert]

1. Set default radius to 5.0.
Reason: previous default value  1.0 has almost no effect for typical noise.
Value 5.0 is good for medium noise in almost all cases.
That does not mean, that always radius 5 is used, because radius is 
dynamically adapted while filtering.
This means that radius /can/ grow until 5.0. The amount of growing 
depends from "threshold" setting.
That is: /Maximum/ radius is 5.0.

This value is good for the "baby.jpg" image that I almost use for testing.
 

2.
Interchanged "Sharpness" and "Lookahead".

3.
Cleaned up some "Whats this?" hints for briefness and clarity.


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