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Bug #10580

Profiled noise reduction adds green noise

Added by Sven Greiner over 4 years ago.

Status:
New
Priority:
Low
Assignee:
-
Category:
-
Target version:
-
Start date:
07/08/2015
Due date:
% Done:

0%

Estimated time:
Affected Version:
1.6.7
System:
other GNU/Linux
bitness:
64-bit
hardware architecture:
amd64/x86

Description

When I use the profiled noise reduction module with my Sony RX-100 with the wavelet method, it reduces the noise very well. Except for the green channel, where it reduces the noise, but adds a lot of green noise at the same time. It happens especially in greenish areas and on high contrast edges.

Here is an example image as well as some screenshots. I tried it also with all modules disabled (except for profiled denoise) and it is the same result (except with disabled white balance module, where it is hard to notice).

https://www.dropbox.com/sh/ix4j7sxe25yg5xr/AACGWCCTfij6rbsh_HdPUZU_a?dl=0

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