patchGNU Octave - Patches: patch #9235, image package: improve filtering...

 
 

patch #9235: image package: improve filtering functions (stdfilt, entropyfilt) and add tests (also medfilt2, ordfilt2, rangefilt)

Submitted by:  Hartmut <hardy>
Submitted on:  Mon 23 Jan 2017 08:01:44 PM UTC  
 
Category: Forge : otherPriority: 5 - Normal
Status: NonePrivacy: Public
Assigned to: NoneOpen/Closed: Open

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Mon 23 Jan 2017 08:01:44 PM UTC, original submission:

This patch came out of the work on bug #45088. It improves the results of all the filtering functions of the image package and adds Matlab compatible tests to them.

Currently the results of stdfilt.m are not Matlab compatible, this is fixed by this patch. The results of entropyfilt.m are currently also not Matlab compatible, this is improved in some sense by this patch. But mostly this patch adds new tests, that's why I put it into the patch tracker, I hope this is fine.

The patch fixes the call to _spatial_filtering_.cc (as described in bug #45088) in

  • entropyfilt.m
  • stdfilt.m

It additionally adds Matlab compatible tests to

  • entropyfilt.m: tests fail. But they also fails without the fix. This is still an improvement since we now use _spatial_filterin_.cc as it is intended. See details in bug #45088.
  • medfilt2.m: tests pass
  • ordfilt2.m: tests pass
  • rangefilt.m: tests pass
  • stdfilt.m: tests pass

This patch is ment to be applied AFTER the patch from bug #45088 (file #39535). Because that patch fixes the call to _spatial_filtering_.cc in rangefilt.m.

Hartmut <hardy>

 

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Mon 23 Jan 2017 08:01:44 PM UTChardyAttached File-=>Added fix_filtering_functions_V1.patch, #39544
      Carbon-Copy-=>Added avinoam
      Carbon-Copy-=>Added carandraug

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