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Image with subtracted common mode

calib/Andor::CalibV1/SxrEndstation.0:Andor.2/pedestals/46-end.data

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2 20 20 512 0 0 0 0 0 0 0 0 0 0 0 0

This algorithm does not improve image quality. Close consideration shows that the mean intensity value of each row of pixels is consistent with zero. The RMS spread il low for "green" horizontal stripes and larger for "color-full" stripes.

pedestals - Image averaged by calibman

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