Added a ViSP implementation of Canny edge detector

[rolalaro]

Implemented a ViSP version of the Canny edge detector that does not rely on OpenCV imgproc

[fspindle]

Ready to merge when ci ok

[codecov]

Codecov Report

Patch coverage: 12.22% and project coverage change: -0.23% ⚠️

Comparison is base (83555f3) 54.98% compared to head (4c258eb) 54.75%.

❗ Current head 4c258eb differs from pull request most recent head ad4cbc7. Consider uploading reports for the commit ad4cbc7 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1215      +/-   ##
==========================================
- Coverage   54.98%   54.75%   -0.23%     
==========================================
  Files         399      401       +2     
  Lines       49201    49398     +197     
==========================================
- Hits        27051    27047       -4     
- Misses      22150    22351     +201     

Files Changed	Coverage Δ
...les/core/include/visp3/core/vpCannyEdgeDetection.h	0.00% <0.00%> (ø)
modules/core/src/image/vpCannyEdgeDetection.cpp	0.00% <0.00%> (ø)
modules/core/src/image/vpImageFilter.cpp	63.82% <66.66%> (ø)
modules/core/include/visp3/core/vpImageFilter.h	92.36% <92.85%> (-0.03%)	⬇️

... and 2 files with indirect coverage changes

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