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Add ReLOC - Initial alignment algorithm #1

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ReLOC is an initial alignment algorithm proposed in:
Petrelli A., Di Stefano L., "Pairwise registration by local orientation cues", Computer Graphics Forum, 2015.

It requires the FLARE method for the computation of repeatable reference frames. FLARE method is implemented by the FLARELocalReferenceFrameEstimation class proposed through the pull request PointCloudLibrary#1571.

ReLOC requires also some changes of Hough Voting and RANSAC. Moreover, it introduces the FlatKeypoint detector.

aliosciapetrelli and others added 12 commits March 30, 2016 16:22
- FLARELocalReferenceFrameEstimation class added
- unit test for FLARELocalReferenceFrameEstimation class added
- directedOrthogonalAxis, projectPointOnPlane
getAngleBetweenUnitVectors, randomOrthogonalAxis, normalDisambiguation
and planeFitting methods of BOARDLocalReferenceFrameEstimation class
moved to lrf_utils.hpp
…BugFix

BugFix: Filters used applyFilter twice.
…vtk_fixes

Fix compilation when WITH_VTK=OFF
Fix error in print info of transform point cloud.
Moreover:
Add LRF_utils.h
Add LRF_utils.cpp
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3 participants