bugGNU Astronomy Utilities - Bugs: bug #52327, NoiseChisel leaving some regions...

 
 

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bug #52327: NoiseChisel leaving some regions unlabeld after clump growth

Submitter:  Mohammad Akhlaghi <makhlaghi>
Submitted:  Wed 01 Nov 2017 08:51:44 PM UTC
 
Category:  NoiseChisel Severity:  3 - Normal
Item Group:  Output not reasonable Status:  Fixed
Privacy:  Public Assigned to:  makhlaghi
Open/Closed:  Closed

Wed 01 Nov 2017 09:53:56 PM UTC, comment #1: 

This bug has been fixed and pushed to the main repo.

Mohammad Akhlaghi <makhlaghi>
Project Administrator
Wed 01 Nov 2017 08:51:44 PM UTC, original submission:  

When doing the final growth of true clumps, NoiseChisel currently uses 4-connectivity to expand the clumps. However, we have defined the detections using 8-connectivity.

As a result, I just found some rare cases where the detection had an 8-connected region to the main body with no true clump in it. As a result, it was left unlabeled after the final growth and would somehow get a wrong label (similar to another object in a completely separate part of the image).

I am now working on the fix...

Mohammad Akhlaghi <makhlaghi>
Project Administrator

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-11-01 makhlaghi StatusIn Progress Fixed
        Open/ClosedOpen Closed

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