GIMP: Noise Reduction

Discussion in 'Image Processing' started by Djarum, Sep 26, 2011.

  1. Djarum

    Djarum SC All-Pro

    Jul 10, 2010
    Huntsville, AL
    Jason
    I posted this on mu-43, might be helpful here.

    So I use GIMP a fair amount, in windows. It's free and does the job I need it to do most of the time. It really doesn't have a good built in noise reduction plugin. I have used NDNoise with decent success, but it is a standalone **** program. I ran across this plugin for GIMP:

    Wavelet denoise | GIMP Plugin Registry

    The nice thing with it is it allows noise to be reduced in Y, Cr, and Cb channels independently. It also has a "detail" setting which really tells the algorithm what type of noise to reduce, high or low frequency noise, per channel. Considering the type of noise is sensor or camera specific, I think it works well.

    I took some Imaging Resource shots that were converted to JPEG from RAW for the E-P3 and ran them through the process and compared to the standard JPEG output. I was much suprised at how well the plugin works compared to the in-camera noise reduction algorithms.
     
  2. pdh

    pdh SC Legend

    Jan 2, 2011
    • Like Like x 1
  3. Djarum

    Djarum SC All-Pro

    Jul 10, 2010
    Huntsville, AL
    Jason
    Doh!

    Yes it is. thank you.
     
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