Noise Reduction the Open Source way

What are your options when you don’t run Windows or Mac and/or don’t want to use proprietary software?
Niklas Saers covers some of the options in this blog post. Thanks to him, I learned about ISO Noise Reduction, a GIMP plugin, which I’ll give a try tomorrow.
I usually use DCAM Noise, or selective blur to remove offending pixels but that can leave awful looking smooth areas next to unsightly pixels.


  1. Reply
    Peter October 18, 2005

    Thanks for this! I didn’t even know this type of software existed! I took some shots early on Saturday morning (7:30) in overcast conditions. I’d set the ISO to 400 but I was really disappointed with the results. Hopefully I’ll be able to salvage something. can’t wait to try out this plugin.

  2. Reply
    Chad Smith November 15, 2005

    Hi Donncha,

    I just wanted to let you know that i love your photos. And I’ve put some of them on my website – – with credit given, of course. Thanks for letting me know about your work!

    -Chad Smith

  3. Reply
    Jason Dunsmore January 19, 2006

    Thanks for the info! I’ll be trying all the plugins listed there.

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