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Hi Ken
Are the ripples repeatable spatially from frame to frame?
If yes, then a simple flat frame could solve your problem.
If no, then is the ripple frequency constant?
If yes, then you could run a FFT over the data & then 'mask' the offending frequency in the real part of the transform, then perform an inverse FFT to rebuild your image without the ripple.
If no.... well then it gets interesting....
cheers
Maurice
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