bugGNU Octave - Bugs: bug #51705, [octave forge] (image) Major and...

 
 

bug #51705: [octave forge] (image) Major and Minor Axis Length in RegionProps

Submitted by:  None
Submitted on:  Wed 09 Aug 2017 04:46:34 PM UTC  
 
Category:  Octave Forge Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  Fixed Assigned to:  None
Originator Name:  Thomas Herdtle Originator Email:  -email is unavailable-
Open/Closed:  Closed Release:  4.2.1
Operating System:  Microsoft Windows

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Mon 14 Aug 2017 01:01:16 PM UTC, comment #2:

Thanks. Closing report as fixed.

John W. Eaton <jwe>
Project Administrator
Mon 14 Aug 2017 12:15:52 PM UTC, comment #1:

This bug has been reported and fixed. See bug #49613

Anonymous
Wed 09 Aug 2017 04:46:34 PM UTC, original submission:

regionprops is broken for some multi-region images, even though it works fine for single regions, including the individual images returned in the structure. I'm using the image package v2.6.1 which came with Octave v4.2.1. Here is an example where the 2 diagonals are OK, but the 2 squares are wrong:

If you flip the "eye" and "ones", the diagonal cases will have wrong values. Also if all 4 patterns are equal (either eye or ones), then the right answers result. Somehow different patterns interfere with each other.

Also, if the matrix is not logical, i.e. without the ">0", then the 4 sections aren't even broken apart.

Anonymous

 

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  • -email is unavailable- added by jwe (Updated the item)
  • -email is unavailable- added by None (Submitted the item)
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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-08-14 jwe StatusNone => Fixed
        Open/ClosedOpen => Closed
    2017-08-12 jwe SummaryMajor and Minor Axis Length in RegionProps => [octave forge] (image) Major and Minor Axis Length in RegionProps

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