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Published on Nov 30, 2012
This tutorial shows how to use the Joofa FFT Filter for Photoshop to remove moire patterns or image artifacts using the Fast Fourier Transform (FFT) method. This way of removing noise is especially useful when you have any kind of pattern or repetitive noise. Other high-end noise removal tools (like Noise Ninja™ or Nik Dfine™) work well on general noise but it's hard to get decent results on this kind of patterns. The FFT Transform method takes your red channel and make your noise pattern visible. Then you have to mask out the resulting stars, inverse the filter and mix (in luminosity mode) the information in your original image.
Download the plug-in here (mistyped site in the video overlay):