add parametric maps

[StRigaud]

Add intensity based parametric maps:

• minimum_intensity_map
• maximum_intensity_map
• standard_deviation_intensity_map

Note

Each map compute the statistics for the image, could be interesting in the long run to update the function to take the stats as parameter to avoid extra computing

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 2.94118% with 33 lines in your changes missing coverage. Please review.

Project coverage is 46.30%. Comparing base (5a01215) to head (25271bf).

Files with missing lines	Patch %	Lines
clic/src/tier4/parametrics_map.cpp	2.94%	32 Missing and 1 partial ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #404      +/-   ##
==========================================
- Coverage   46.65%   46.30%   -0.35%     
==========================================
  Files         199      199              
  Lines        3972     4004      +32     
  Branches     1813     1832      +19     
==========================================
+ Hits         1853     1854       +1     
- Misses        713      744      +31     
  Partials     1406     1406              

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