Hi,

I'm noticing that noise is being introduced into some images I've been
working on during export from darktable.  This is happening on the 1.4
release candidate built for Fedora 19 (I also had similar results under v
1.3).  The output format doesn't seem to matter either, tiff, jpg, png all
have the same problem.  Any idea what is going on here?

Export parameters are min/max = 0, intent = perceptual, profile = sRGB, and
no additional style applied in export.

Here's some sample files:

100% crop from the exported jpg
 
darktable-export-crop.jpg<https://docs.google.com/file/d/0Bz22rEgDUSPrQjQxZERWcFRINjg/edit?usp=drive_web>

Screenshot of roughly the same region from within darktable (also at 100%)
 
darktable_screenshot.jpg<https://docs.google.com/file/d/0Bz22rEgDUSPrWXM5cE1FUEZIWEE/edit?usp=drive_web>

Original raw file:
 
20131124_0289.ORF<https://docs.google.com/file/d/0Bz22rEgDUSPrdFhRbWhoaWZHdG8/edit?usp=drive_web>

Sidecar:
 
20131124_0289.ORF.xmp<https://docs.google.com/file/d/0Bz22rEgDUSPraFRKcm5vLUtVYjQ/edit?usp=drive_web>

Thanks!  All help would be greatly appreciated.

Rod
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