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  1. Data Management
  2. DM-27910

Image differencing in S21A

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    Details

    • Type: Epic
    • Status: In Progress
    • Resolution: Unresolved
    • Fix Version/s: None
    • Component/s: None
    • Labels:
      None
    • Epic Name:
      s21a-ap-diffim
    • Story Points:
      80
    • WBS:
      02C.03.04
    • Team:
      Alert Production
    • Cycle:
      Spring 2021

      Description

      Enhancements to the image differencing algorithms, and supporting work to demonstrate the mathematical validity. This will also include a focused sprint by several AP team members to quantify the performance of the current algorithm and improve robustness.

        Attachments

        Stories in Epic (Custom Issue Matrix)

        Key Summary Story Points Assignee Status
        DM-22762

        Refactor AL subtraction preparatory code steps in ImageDifferenceTask into separate methods to improve code structure

        Unassigned To Do
        DM-21845

        Investigate whether the wcs information of difference images are properly set

        Gabor Kovacs To Do
        DM-21217

        Add option to select image to convolve based on seeing

        4 Ian Sullivan To Do
        DM-21017

        Consider changing the automated algorithmic path in ip_diffim to disable automated deconvolution

        Unassigned To Do
        DM-17922

        Unhelpful "cannot iterate over NoneType" ImageDifferenceTask error

        2 Gabor Kovacs To Do
        DM-17923

        Inconsistent source detection workflow with difference imaging

        Unassigned To Do
        DM-28201

        Image differencing sprint effort - Gabor

        6 Gabor Kovacs To Do
        DM-25051

        Implement proper variance plane calculation in the decorrelation afterburner

        4 Gabor Kovacs To Do
        DM-24994

        Create test cases to verify AL kernel solutions in the current lsst stack

        Gabor Kovacs To Do
        DM-26942

        Add option to ZOGY to set priors on PSF representation in Fourier space

        8 Gabor Kovacs To Do
        DM-28902

        Participation in the February difference imaging sprint

        4 Ian Sullivan To Do
        DM-23857

        Add support for spatially varying correction to the decorrelation afterburner

        10 Gabor Kovacs To Do
        DM-23854

        Add spatially varying PSF solution to fixed decorrelation afterburner correction

        5 Gabor Kovacs To Do
        DM-8607

        Confusing warning running dipoleMeasTask.py example in ip_diffim

        2 Gabor Kovacs To Do
        DM-7684

        Clean up ip_diffim examples and tests

        6 Gabor Kovacs To Do
        DM-28576

        Fix missing abstract and update decorrelation afterburner section in DMTN-179

        6 Gabor Kovacs To Do
        DM-21868

        Debug and fix the decorrelation afterburner in ip_diffim

        0 Gabor Kovacs In Progress
        DM-28901

        Difference imaging sprint in February

        6 Meredith Rawls In Progress
        DM-23853

        Create test cases for the decorrelation afterburner and image differencing

        8 Gabor Kovacs In Progress
        DM-28157

        Test zogy matching kernel cleanup by frequency cuts based on Gaussian approximations

        10 Gabor Kovacs In Review
        DM-23855

        Audit and debug current zogy image differencing code

        10 Gabor Kovacs In Review
         
        DM-22396

        Understand why ScaleVarianceTask sometimes scales variance down after warping

        4 Gabor Kovacs Done
         
        DM-28442

        Fix variance plane calculation scaling in non-normalized matching kernel case

        3 Gabor Kovacs Done
         
        DM-28437

        Convert ZOGY report to tech note

        1 Gabor Kovacs Done
         
        DM-28255

        Draft discussion starter notebook about the close matching, undersampled matching kernel case

        6 Gabor Kovacs Done
         
        DM-26087

        Derive analytic solution for pure Gaussian PSFs for ZOGY

        10 Gabor Kovacs Done
         
        DM-25050

        Fix non-normalized matching kernel case in the decorrelation afterburner

        5 Gabor Kovacs Done
         
        DM-26941

        Test gaussian representation of PSF for ZOGY debugging

        8 Gabor Kovacs Done
         
        DM-27859

        Test coadd PSF quality by direct subtraction of single source in template coadd image

        6 Gabor Kovacs Done

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            People

            Assignee:
            sullivan Ian Sullivan
            Reporter:
            sullivan Ian Sullivan
            Watchers:
            Ian Sullivan
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            Watchers:
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              Dates

              Created:
              Updated:

                Summary Panel