[Octave-bug-tracker] [bug #50153] image package: bwperim result on 1x1 input incorrect

[Carnë Draug]

Follow-up Comment #7, bug #50153 (project octave):

The proposed patch would error on the cases where connectivity is just [0 0 0;
0 1 0; 0 0 0]. A very corner case but it hints that the issue is not 1x1
image. I think the issue is more generalised about not considering border
elements in dimensions of length 1. This alternative patch

https://bitbucket.org/carandraug/octave-image/commits/c2a397b5bd8c65d8e2122ee5b7bf9eea874254a9

seems to fix the original issue plus several new ones (such as image of
`true(1, 1, 6)`) This just removes a check that was just wrong.  But maybe the
check was there for some reason that we have no test for.  I think the test
was just wrong (mea culpa) so if no one can see anything wrong with it, I will
push that cset.

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