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Re: [OCLUG-Tech] raw conversion problem

I use convert, from imagemagick.  From dpkg -L imagemagick:


Give it a try and see if the quality is good enough for you.

I see it does understand .nef files (according to
http://www.imagemagick.org/script/formats.php).  I just
use it to resize and rotate pictures.

I'm curious as to how it will compare with dcraw for your


On Tue, Nov 03, 2009 at 07:01:43PM -0500, Peter Sjoberg wrote:
> I'm trying to find the best way to convert my raw pictures to jpeg in
> batch.
> The most obvious answer (for readers of this list) is to use dcraw but I
> find the colours to be washed out unless I manually adjust each picture
> - not an option for batch mode.
> As a test I did use 5 different ways to convert various pictures and put
> them up on
> http://www.techwiz.ca/~peters/raw/index.html
>      1. the raw .nef picture
>      2. m1 dcraw-plain 
>      3. m2-dcraw-embedded (-e) 
>      4. m3-ifrview - 
>      5. m4-ViewNX - the manufacture provided sw 
>      6. m5-ufraw - a dcraw rwapper with color profile
>         Nkx_D60_5_2697_00_002_468.icm that ViewNX created when
>         converting a picture
> The sad news for me is that what looks best is ViewNX - Nikons own
> windows only tool (might work under wine but that's not the point)
> When using ViewNX it does create a .icm file for many of the pictures. I
> suspect it is some kind of built in profile that dcraw doesn't read/use.
> The only real option I currently have is to use the embedded thumbnail
> which is large pixel wise but low quality.
> Is there any suggestions on how I can do the raw conversion with open
> source tools without loosing so much quality or having to manually
> fiddle around with every picture?
> /ps
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