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  1. SAFe Program
  2. SP-287

Investigate use of compression on images & visibilities

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    • Enabler
    • Could have
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    • COM SDP SW
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    • PI24 - UNCOVERED

    Description

      Following on from current numerical precision work, look at whether or not Gustafson's Unum/Posit approach could, in principle, produce cost savings. Interest motivated by the content of this presentation from Peter Braam:

      https://posithub.org/conga/2019/docs/13/0910-PeterBraam.pdf

      Also consider approach described here: https://heasarc.gsfc.nasa.gov/fitsio/fpack/ 

      Also consider compression of visibilities (not just images)

      Input for CDR?

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          relates to

          Feature - A Feature is a service that fulfills a stakeholder need. Each feature includes a benefit hypothesis and acceptance criteria, and is sized or split as necessary to be delivered by a single Agile Release Train (ART) in a Program Increment (PI). SP-392 Investigation and report on Visibility Compression

          • Could have - Items labelled as "Could have" are desirable but not necessary and could improve the user experience or customer satisfaction for a little development cost. These will typically be included if time and resources permit.
          • Funnel

          Feature - A Feature is a service that fulfills a stakeholder need. Each feature includes a benefit hypothesis and acceptance criteria, and is sized or split as necessary to be delivered by a single Agile Release Train (ART) in a Program Increment (PI). SP-391 Investigation and Report on Image Compression

          • Not Assigned - Priority is not assigned yet.
          • Done

          Spike - A time limited investigation to get some knowledge SP-394 Investigation and report on Polynomial Baseline Dependence Averaging

          • Could have - Items labelled as "Could have" are desirable but not necessary and could improve the user experience or customer satisfaction for a little development cost. These will typically be included if time and resources permit.
          • Discarded
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                m.deegan Deegan, Miles
                m.deegan Deegan, Miles
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