GNU Astronomy Utilities - Tasks: task #15801, Point-based interpolation method...
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task #15801: Point-based interpolation method for rebinning
Submitter: | Raul Infante-Sainz <infantesainz> | ||
Submitted: | Mon 26 Oct 2020 10:20:36 AM UTC | ||
Should Start On: | Mon 26 Oct 2020 12:00:00 AM UTC | Should be Finished on: | Mon 26 Oct 2020 12:00:00 AM UTC |
Category: | Warp | Priority: | 5 - Normal |
Item Group: | New feature | Status: | None |
Privacy: | Public | Assigned to: | None |
Percent Complete: | 0% | Open/Closed: | Open |
Effort: | 0.00 |
Mon 22 Jul 2024 02:50:09 PM UTC, comment #2: |
Mohammad Akhlaghi <makhlaghi>![]() |
Mon 26 Oct 2020 11:04:20 AM UTC, comment #1: This is part of what we discussed privately but can be relevant:
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Mohammad Akhlaghi <makhlaghi>![]() |
Mon 26 Oct 2020 10:20:36 AM UTC, original submission:
I ask to Mohammad about having a way of rebinning images in which we could specify the operator (mean, median, etc.). After a small discussion we ended wit the conclusion that having this kind of rebinning method (point-based/interpolation) in Gnuastro would be good. |
Raul Infante-Sainz <infantesainz>![]() |
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Date | Changed by | Updated Field | Previous Value | => | Replaced by |
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2024-07-22 | makhlaghi | Carbon-Copy | - | ![]() |
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Corresponding source code
Joseph Putko suggested a nice reference for such interpolation based warpings: https://pixinsight.com/doc/docs/InterpolationAlgorithms/InterpolationAlgorithms.html
It includes all the equations to simplify the implementation any time we decide to look into it. In particular, I really like its Figure 8 that shows the Moire pattern in noise for the different algorithms (by clicking on the name of the algorithm).