GraXpert is a standalone program as well as a PixInsight script. It has standard and AI components. GraXpert can crop an image, stretch an image, perform gradient removal by background extraction and can do this by AI as well as other algorithms, and preform noise reduction by AI methods. To date, it is one of the best programs to do these tasks.
Here a rather noisy Seestar S50 image of the FishHead nebula, was gradient corrected and then denoised.
Click on the image to get a closer view
The animation shows the before denoising and after denoising of the image in GraXpert.
Steve Wainwright
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