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Thread: Enhancing photos in GIMP

  1. #1
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    Question Enhancing photos in GIMP

    I've got a batch of photos that I've taken that got too dark - anyone know how to fix that in GIMP (or any other free program)?
    If you see the magic in a fairy tale, you can face the future.
    ~Danielle Steel


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  2. #2
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    Re: Enhancing photos in GIMP

    Download, and use, 'LightZone' - http://sonic.net/~rat/lightcrafts/ .

    The 'Zonemapper' and 'Tonemapper' tools should be of some assistance to you. Yes... it's free.

  3. #3
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    Re: Enhancing photos in GIMP

    Or, you could use DigiKam (one of the default KDE programs) - organises your photos, interacts with your camera, and has lots of photo enhancement features, including a one-button photo fix which I find cures almost anything Why not d/l it and see? It has as much functionality as Picasa without the bloat IMHO

  4. #4
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    Re: Enhancing photos in GIMP

    I love the gimp for photo editing, but for this specific operation (making dark photos brighter) I have yet to find a tool as powerful as Google's Picasa.
    But I mean no harm nor put fault
    On anyone that lives in a vault
    But it's alright, Ma, if I can't please him.

  5. #5
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    Re: Enhancing photos in GIMP

    I really like lightzone as well! Very intuitive and good results.

    Some tutorials: http://web.mac.com/fabio.riccardi/iW...Blog/Blog.html

  6. #6
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    Re: Enhancing photos in GIMP

    you can use the brightness-contrast, hue and saturation controls to lighten the photos. when you brighten the photo, you'll also reduce the contrast. when you increase the contrast, you'll increase the saturation of some of the colors. increasing the saturation of some of the colors will alter the hue. etc., etc...

  7. #7
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    Re: Enhancing photos in GIMP

    In addition to Fuscias suggestion, I recommend the use of levels & curves:

    levels.jpgcurves.jpg

    A little experimentation will sort you out

    Tony.

    PS. Don't forget layers - You can copy the fore/background & edit them separately (version 2.3 has a useful foreground selector, otherwise the select by colour feature is often ok).
    Last edited by ahaslam; November 10th, 2006 at 09:52 PM. Reason: layers ;)

  8. #8
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    Re: Enhancing photos in GIMP

    While I love the GIMP, I'd recommend LightZone for digital photo editing. However, it is a java app, so it's a little memory intensive, but I've had some great results from it.

    But as someone mentioned above, Google Picasa is really the best for something like this. It's intuitive, easy to use, and even gives you a little more control if you desire. Try it out.

  9. #9
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    Re: Enhancing photos in GIMP

    Thanks a lot people, I guess I'll go for Picasa for the time being (I'm lazy, I know) and see what results I get.
    If you see the magic in a fairy tale, you can face the future.
    ~Danielle Steel


    Linux user #442517

  10. #10
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    Re: Enhancing photos in GIMP

    I find that Picasa produces low quality images. Here's a comparison between them:

    Original:
    original.jpg

    Picasa (using fill light):
    picasa.jpg

    GIMP (using curves):
    curved.jpg

    And by the time Picasa has loaded, you could have Gimped a few photos

    Tony.
    Attached Images Attached Images

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