[buug] Raw image processing tools

Joseph Zitt jzitt at josephzitt.com
Sat Aug 14 12:33:09 PDT 2010


You're probably already quite aware of it, but IIRC, this is what the
Apache-licensed  ImageMagick [1] is designed to do. But I don't know if it
has limitations that would be an issue for you.

[1] http://www.imagemagick.org/script/index.php (hoping I got this footnote
email notation right).

On Sat, Aug 14, 2010 at 2:19 PM, Ian Zimmerman <itz at buug.org> wrote:

>
> Joseph Zitt:
>
> > Image processing is a rather wide scope. What are you trying to do?
>
> The things the camera firmware does for you if you take JPEG images.
> That usually includes most (ideally, all) of the following:
>
> 1. demosaicing
> 2. sharpening
> 3. noise reduction
> 4. white balance adjustment
> 5. saturation adjustment
> 6. exposure adjustment
> 7. restoration of detail in highlights and (especially) shadows
> 8. scaling down to a resolution suitable for output
> 9. exporting to JPEG or TIFF
>
> typically the tool has a "batch" mode where you save your settings and
> then apply them en masse to a whole collection of images (otherwise,
> doing all of the above steps manually would be far too time consuming).
>
> GIMP has a lot of these algorithms, but it can (currently) only work on
> 8-bit images, which means you lose some color resolution before you even
> start, and GIGO applies.  That's why the specialized tools exist.
>
> --
> Ian Zimmerman <itz at buug.org>
> gpg public key: 1024D/C6FF61AD
> fingerprint: 66DC D68F 5C1B 4D71 2EE5  BD03 8A00 786C C6FF 61AD
> Ham is for reading, not for eating.
> _______________________________________________
> Buug mailing list
> Buug at weak.org
> http://www.weak.org/mailman/listinfo/buug
>



-- 
Joseph Zitt ::http://www.josephzitt.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://buug.org/pipermail/buug/attachments/20100814/165e918e/attachment.html>


More information about the buug mailing list