'Re: [Gimp-user] automatical white balance'

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List:       gimp-user
Subject:    Re: [Gimp-user] automatical white balance
From:       Timo Steuerwald <timo.steuerwald () gmx ! de>
Date:       2005-11-17 11:15:16
Message-ID: 437C6644.6050600 () gmx ! de
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Alexandre Prokoudine wrote:

>On 11/17/05, Timo Steuerwald <timo.steuerwald@gmx.de> wrote:
>
>  
>
>>Hey, that's a cool feature! Thanks a lot! I didn't know that up to now,
>>but anyway: How does this automatical white balance work?
>>    
>>
>
>I don't know how exactly this engine ticks, but I can to to guess: it
>searches for the lightest pixel in the image and makes GIMP believe
>that it is white and then it shifts other colors appropriately. But
>that's my guess. Probably gimp-help package contains information you
>want to know.
>
>  
>
No the official gimp documentation on the homepage doesn't contain 
anything about it. You can verify it here: 
http://docs.gimp.org/en/ch09s07s11.html
It doesn't even appear in the screenshot of the menu.
Your idea how the automatical white balance works sounds good. IMHO the 
automatical white balance on a digital camera should work the same way, 
shouldn't it?

>Some info on Levels dialog ("Werte" im Deutschen, soweit ich das
>verstehe) is here: http://docs.gimp.org/de/ch06s05s06.html
>
>  
>
Yes, that's correct. Thanks!

Cheers,

Timo

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Alexandre Prokoudine wrote:<br>
<blockquote
 cite="mid733f2c730511161410g7f99c559w875534ab75908ddd@mail.gmail.com"
 type="cite">
  <pre wrap="">On 11/17/05, Timo Steuerwald <a class="moz-txt-link-rfc2396E" \
href="mailto:timo.steuerwald@gmx.de">&lt;timo.steuerwald@gmx.de&gt;</a> wrote:

  </pre>
  <blockquote type="cite">
    <pre wrap="">Hey, that's a cool feature! Thanks a lot! I didn't know that up to \
now, but anyway: How does this automatical white balance work?
    </pre>
  </blockquote>
  <pre wrap=""><!---->
I don't know how exactly this engine ticks, but I can to to guess: it
searches for the lightest pixel in the image and makes GIMP believe
that it is white and then it shifts other colors appropriately. But
that's my guess. Probably gimp-help package contains information you
want to know.

  </pre>
</blockquote>
No the official gimp documentation on the homepage doesn't contain
anything about it. You can verify it here: <a
 href="http://docs.gimp.org/en/ch09s07s11.html">http://docs.gimp.org/en/ch09s07s11.html</a><br>
 It doesn't even appear in the screenshot of the menu.<br>
Your idea how the automatical white balance works sounds good. IMHO the
automatical white balance on a digital camera should work the same way,
shouldn't it?<br>
<br>
<blockquote
 cite="mid733f2c730511161410g7f99c559w875534ab75908ddd@mail.gmail.com"
 type="cite">
  <pre wrap="">Some info on Levels dialog ("Werte" im Deutschen, soweit ich das
verstehe) is here: <a class="moz-txt-link-freetext" \
href="http://docs.gimp.org/de/ch06s05s06.html">http://docs.gimp.org/de/ch06s05s06.html</a>

  </pre>
</blockquote>
Yes, that's correct. Thanks!<br>
<br>
Cheers,<br>
<br>
Timo<br>
<br>
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