[Digikam-users] jpeg from DSLR workflow: to 16bit or not

Paul Hartman paul.hartman+gentoo at gmail.com
Thu Sep 24 00:04:10 BST 2009


On Wed, Sep 23, 2009 at 5:58 PM, Leonardo Canducci
<leonardo.canducci at gmail.com> wrote:
> 2009/9/23 Gilles Caulier <caulier.gilles at gmail.com>:
>> This is a wrong workflow. JPEG is always 8 bits encoded...
>>
>> Use RAW format instead. encoding is > 12 bits... But you need to
>> postprocess image as your camera do...
> I know jpeg is 8bit but stretching histograms in 16bit color space
> should avoid posterization anyway. read the third tip at the end of
> this page:
> http://www.cambridgeincolour.com/tutorials/posterization.htm

I think he is saying you should use RAW as source image format on your
camera, not JPG. Then you can avoid the entire issue.



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