taskGNU Astronomy Utilities - Tasks: task #16547, Avoiding NoiseChisel crash and...

 
 

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task #16547: Avoiding NoiseChisel crash and improvements

Submitter:  Mohammad Akhlaghi <makhlaghi>
Submitted:  Sun 02 Jun 2024 08:54:38 PM UTC
   
 
Should Start On:  Sat 01 Jun 2024 10:00:00 PM UTC Should be Finished on:  Sat 01 Jun 2024 10:00:00 PM UTC
Category:  NoiseChisel Priority:  5 - Normal
Item Group:  Enhancement Status:  In Progress
Privacy:  Public Assigned to:  makhlaghi
Percent Complete:  80% Open/Closed:  Open
Effort:  0.00

Discussion

Sun 02 Jun 2024 08:59:34 PM UTC, comment #1: 

Most of the problematic options have been fixed and I am still working on completing them. For example if no tiles with good '--meanmedqdiff' are found, NoiseChisel will increment it until at least one tile is found; or when there are not enough tiles for outlier rejection, NoiseChisel will not do it, or when the number of tiles for interpolation are not enough, it will use what ever it has. All these changes from the values on the command-line are ultimately written as header keywords (for the caller to be able to check if anything has changed).

In the meantime, I have also found some good improvements (for example, there were problems in outlier rejection and interpolation). Here is the output of the current under-development branch on the SDSS M51 image of the second tutorial.


Mohammad Akhlaghi <makhlaghi>
Group administrator
Sun 02 Jun 2024 08:54:38 PM UTC, original submission:  

As of version 0.22, NoiseChisel will crash when any of the '--interpnumngb', '--outliernumngb', or '--snminarea' are too low for the given dataset. As a result, in large pipelines, we are forced to degrade these important (for the statistics) options on all images!

After a discussion with Sylvain Mottet (who had added shell checks on the NoiseChisel run to degrade the option values if NoiseChisel crashes), I was inspired to bring such checks directly within NoiseChisel and I am working on it right now.

Mohammad Akhlaghi <makhlaghi>
Group administrator

 

Attached Files

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file #56131:  noisechisel-devel.png added by makhlaghi (177KiB - image/png)

 

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    History

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    Date Changed by Updated Field Previous Value => Replaced by
    2025-02-27 makhlaghi Carbon-Copy- Added -email is unavailable-
    2025-02-26 makhlaghi Carbon-Copy- Added -email is unavailable-
    2024-11-14 makhlaghi Carbon-Copy- Added -email is unavailable-
    2024-06-02 makhlaghi Attached File- Added noisechisel-devel.png, #56131

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