bugGNU Octave - Bugs: bug #59773, [octave forge] (image) iradon is...

 
 

bug #59773: [octave forge] (image) iradon is not Matlab compatible when using filter

Submitter:  Avinoam Kalma <avinoam>
Submitted:  Mon 28 Dec 2020 09:15:28 PM UTC
   
 
Category:  Octave Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Matlab Compatibility
Status:  None Assigned to:  None
Originator Name:  Open/Closed:  * Open
Release:  * other Operating System:  * Any
Fixed Release:  None Planned Release:  None
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Mon 28 Dec 2020 09:15:28 PM UTC, original submission:  

Examples:

Octave:


>> iradon(radon(ones(2,2),0:5),0:5, 'nearest')
ans =

  -0.3677   0.7481   0.7127  -0.3903
  -0.3677   0.7481   0.7127  -0.3903
  -0.3677   0.7481   0.7127  -0.3903
  -0.3677   0.7481   0.7127  -0.3903


Matlab:


>> iradon(radon(ones(2,2),0:5),0:5, 'nearest')

ans =

   -0.3593    0.7563    0.7210   -0.3820
   -0.3593    0.7563    0.7210   -0.3820
   -0.3593    0.7563    0.7210   -0.3820
   -0.3593    0.7563    0.7210   -0.3820


but if filter is 'none' Octave is compatible.

Ocatve:


>> iradon(radon(ones(2,2),0:5),0:5, 'nearest', 'none')
ans =

   0.4264   2.7859   2.7152   0.3557
   0.4264   2.7859   2.7152   0.3557
   0.4264   2.7859   2.7152   0.3557
   0.4264   2.7859   2.7152   0.3557


Matlab:


>> iradon(radon(ones(2,2),0:5),0:5, 'nearest', 'none')

ans =

    0.4264    2.7859    2.7152    0.3557
    0.4264    2.7859    2.7152    0.3557
    0.4264    2.7859    2.7152    0.3557
    0.4264    2.7859    2.7152    0.3557



 Avinoam Kalma <avinoam>
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