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  1. Data Management
  2. DM-4821

HSC backport: Remove interpolated background before detection to reduce junk sources

    Details

    • Type: Story
    • Status: Done
    • Resolution: Done
    • Fix Version/s: None
    • Component/s: meas_algorithms
    • Labels:
      None
    • Story Points:
      1
    • Sprint:
      Science Pipelines DM-W16-5
    • Team:
      Data Release Production

      Description

      This is a port of HSC-1353 and HSC-1360.

      Descriptions from HSC:

      HSC-1353

      We typically get a large number of junk detections around bright objects due to noise fluctuations in the elevated background. We can try to reduce the number of junk detections by adding an additional local background subtraction before object detection. We can then add this back in after detection of footprints and peaks.

      HSC-1360

      I forgot to set the useApprox=True for the background subtraction that runs before footprint and peak detection. This will then use the Chebyshev instead of the spline.

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            lauren Lauren MacArthur created issue -
            lauren Lauren MacArthur made changes -
            Field Original Value New Value
            Epic Link DM-3628 [ 19726 ]
            lauren Lauren MacArthur made changes -
            Status To Do [ 10001 ] In Progress [ 3 ]
            lauren Lauren MacArthur made changes -
            Sprint Science Pipelines DM-W16-5 [ 193 ]
            swinbank John Swinbank made changes -
            Epic Link DM-3628 [ 19726 ] DM-3568 [ 19662 ]
            lauren Lauren MacArthur made changes -
            Attachment junkDetections2.png [ 27420 ]
            Attachment junkDetections1.png [ 27421 ]
            lauren Lauren MacArthur made changes -
            Reviewers Bob Armstrong [ rearmstr ]
            Status In Progress [ 3 ] In Review [ 10004 ]
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            Resolution Done [ 10000 ]
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              People

              • Assignee:
                lauren Lauren MacArthur
                Reporter:
                lauren Lauren MacArthur
                Reviewers:
                Bob Armstrong
                Watchers:
                Bob Armstrong, John Swinbank, Lauren MacArthur
              • Votes:
                0 Vote for this issue
                Watchers:
                3 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:

                  Summary Panel