Details
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Type:
Story
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Status: Done
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Resolution: Done
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Fix Version/s: None
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Component/s: ip_diffim
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Labels:
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Story Points:8
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Epic Link:
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Sprint:AP F19-1, AP F19-4 (2H September), AP F19-5 (October), AP F19-6 (November)
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Team:Alert Production
Description
Yusra AlSayyad identified in the June '19 False Positive Sprint that the variances were wrong by 10-15% (
https://nbviewer.jupyter.org/github/yalsayyad/dm_notebooks/blob/master/examples/DiaSourceCensusCcdVisitNight-HSC-RC2.ipynb). This is likely due to pixel covariances introduced by coaddition and warping. This ticket is to investigate rescaling the variances appropriately with ScaleVariance.
Is ScaleVarianceTask being run?