bugGNU Octave - Bugs: bug #50656, [octave forge] (image) bwerode...


bug #50656: [octave forge] (image) bwerode does not return right size when there's more dimensions on conn

Submitted by:  Carnë Draug <carandraug>
Submitted on:  Mon 27 Mar 2017 05:11:51 PM UTC  
Category: Octave Forge PackageSeverity: 3 - Normal
Priority: 5 - NormalItem Group: None
Status: NoneAssigned to: None
Originator Name: Open/Closed: Open
Release: otherOperating System: GNU/Linux

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Sun 02 Apr 2017 06:21:26 AM UTC, comment #2:


every run has a different result. How could it be?

Avinoam Kalma <avinoam>
Project Member
Mon 27 Mar 2017 09:31:40 PM UTC, comment #1:

I'm getting different output. On octave 4.2.1 with image 2.6.1:

on matlab 2016b:

So that's at least a compatibility concern.

and then with the test:

it seems like octave's conndef supports non-compatible syntax. I.e., matlab only likes the third version of:

best I can tell from the help, conndef(6) should be the same as conndef(3,'minimal'), so:

runs without problem and produces a small image of what appears to be a black U overtop of white pixels. Saw the same error for octave.

Nicholas Jankowski <nrjank>
Mon 27 Mar 2017 05:11:51 PM UTC, original submission:

Not sure at the moment if this is a single bug or multiple bugs. These are probably inherited from the strel class and some of optimisations we do, so they probably also affect other functions

Carnë Draug <carandraug>
Project Member


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  • -unavailable- added by jwe (Updated the item)
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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Sat 12 Aug 2017 07:02:49 PM UTCjweSummaryimage package: bwerode does not return right size when there's more dimensions on conn=>[octave forge] (image) bwerode does not return right size when there's more dimensions on conn

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