desihub / desispec

DESI spectral pipeline
BSD 3-Clause "New" or "Revised" License
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Measure correlation coefficient or covariance of noise in overscan region #2173

Open julienguy opened 6 months ago

julienguy commented 6 months ago

It would be useful to measure the correlation coefficient or covariance of noise in the overscan regions at several scales 3pix, 10pix, 100pix and save this in the preproc image headers as part of preprocessing.