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  1. Data Management
  2. DM-8140

Deblender work in S17

    Details

    • Type: Epic
    • Status: Done
    • Resolution: Done
    • Fix Version/s: None
    • Component/s: meas_deblender
    • Labels:
      None
    • Epic Name:
      s17-drp-deblender
    • Story Points:
      140
    • WBS:
      02C.04.05
    • Team:
      Data Release Production
    • Cycle:
      Spring 2017

      Description

      This epic aims to investigate a number of techniques for deblending which address both current high-priority issues and longer term requirements. The primary aim is to explore the problem space rather than deliver production-ready code. Ultimately, it should result in a coherent development plan for future work.

        Attachments

          Issue Links

          Stories in Epic (Custom Issue Matrix)

          Key Summary Story Points Assignee Status
           
          DM-9681

          Write function to apportion flux based on NMF template weights

          1 Fred Moolekamp Done
           
          DM-9675

          Soften symmetry operator requirements

          1 Fred Moolekamp Done
           
          DM-9784

          Implement test for overlapping galaxies

          5 Fred Moolekamp Done
           
          DM-9775

          Create NMF deblender presentation

          3 Fred Moolekamp Done
           
          DM-9965

          Fix bug in monotonicity operator

          1 Fred Moolekamp Done
           
          DM-9954

          Optimize PSF convolution to use sparse matrices

          2 Fred Moolekamp Done
           
          DM-10090

          Faster (and correct) conversion for NMF deblender

          4 Fred Moolekamp Done
           
          DM-10138

          Compare the convergence of ADMM, SDMM, and GLM algorithms

          3 Fred Moolekamp Done
           
          DM-9645

          Come up to speed with new deblending algorithm.

          3 Bob Armstrong Done
           
          DM-9644

          Write out true galaxy images in blending simulation script

          2 Bob Armstrong Done
           
          DM-9143

          Create 2D monotonic operator for NMF deblender

          4 Fred Moolekamp Done
           
          DM-8959

          Create NMF deblender plugin

          16 Fred Moolekamp Done
           
          DM-9997

          Investigate using both monotonicity and symmetry

          4 Fred Moolekamp Done
           
          DM-9561

          Improve Monotonicity Operator

          8 Fred Moolekamp Done
           
          DM-9640

          Add stars to blending simulation script

          4 Bob Armstrong Done
           
          DM-9173

          Study deblending techniques

          4 Fred Moolekamp Done
           
          DM-9172

          Implement validation metrics for NMF outputs

          6 Fred Moolekamp Done
           
          DM-9171

          Implement NMF with alternating least squares

          4 Fred Moolekamp Done
           
          DM-9170

          Implement PSF convolution operator in 2D

          6 Fred Moolekamp Done
           
          DM-9169

          Provide high-stellar-density fields for deblender testing

          4 Bob Armstrong Done
           
          DM-9168

          Provide HSC test data for deblending

          8 Bob Armstrong Done
           
          DM-8694

          Refactor Deblender API

          3 Fred Moolekamp Done
           
          DM-8831

          Investigate using NMF for deblender

          6 Fred Moolekamp Done
           
          DM-8640

          Update deblender docstring

          1 Fred Moolekamp Done
           
          DM-8624

          Evaluate the deblender using simulations

          8 Bob Armstrong Done
           
          DM-8059

          Failure to identify red-sequence galaxies in the cores of clusters

          8 Bob Armstrong Done
           
          DM-10502

          Update NMF deblender to use new footprints

          1 Fred Moolekamp Done
           
          DM-10483

          Create testdata_deblender Repo

          1 Fred Moolekamp Done
           
          DM-10612

          Implement strict monotonicity

          3 Fred Moolekamp Done
           
          DM-10332

          Test deblender with exact positions

          5 Fred Moolekamp Done
           
          DM-10151

          Investigate a better symmetry operator

          3 Fred Moolekamp Done
           
          DM-10189

          Create translation operator

          9 Fred Moolekamp Done
           
          DM-9956

          Add test for difference of overlap between objects

          3 Fred Moolekamp Invalid
           
          DM-7505

          Design refactored deblender

          6 Bob Armstrong Invalid
           
          DM-8677

          Remove unused parameter in deblender

          0 Fred Moolekamp Invalid
           
          DM-8623

          Build galaxy templates from existing models

          8 Unassigned Invalid
           
          DM-8622

          Add hierarchical ordering to deblender

          8 Unassigned Invalid

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              People

              • Assignee:
                swinbank John Swinbank
                Reporter:
                swinbank John Swinbank
                Watchers:
                John Swinbank
              • Votes:
                0 Vote for this issue
                Watchers:
                1 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:

                  Summary Panel