F408S53.IMQ is an image of Mars with a complex pattern of black lines (missing data) in the image, the original image is 1204(W) x 1056(H) but has been resized here to 450 x 411 for size considerations. There are 7 steps in the processing process:
1) The original image.
2) Histogram has been stretched to improve brightness and contrast.
3) Black lines removed.
4) Reseau marks removed.
5) Noise removed with a median noise filter and other defects interpolated out.
6) The nonuniform illumination across the image has been corrected and histogram restretched.
7) Image enhanced by using unsharp mask.