surfel_smoothing.h

/*
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 *
 *  Copyright (c) 2011, Alexandru-Eugen Ichim
 *                      Willow Garage, Inc
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 * $Id$
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#pragma once
 
#include <pcl/pcl_base.h>
#include <pcl/search/search.h> // for Search
 
namespace pcl
{
  template <typename PointT, typename PointNT>
  class SurfelSmoothing : public PCLBase<PointT>
  {
    using PCLBase<PointT>::input_;
    using PCLBase<PointT>::initCompute;
 
    public:
      using Ptr = shared_ptr<SurfelSmoothing<PointT, PointNT> >;
      using ConstPtr = shared_ptr<const SurfelSmoothing<PointT, PointNT> >;
 
      using PointCloudIn = pcl::PointCloud<PointT>;
      using PointCloudInPtr = typename pcl::PointCloud<PointT>::Ptr;
      using NormalCloud = pcl::PointCloud<PointNT>;
      using NormalCloudPtr = typename pcl::PointCloud<PointNT>::Ptr;
      using CloudKdTree = pcl::search::Search<PointT>;
      using CloudKdTreePtr = typename pcl::search::Search<PointT>::Ptr;
 
      SurfelSmoothing (float a_scale = 0.01)
        : PCLBase<PointT> ()
        , scale_ (a_scale)
        , scale_squared_ (a_scale * a_scale)
        , normals_ ()
        , interm_cloud_ ()
        , interm_normals_ ()
        , tree_ ()
      {
      }
 
      void
      setInputNormals (NormalCloudPtr &a_normals) { normals_ = a_normals; };
 
      void
      setSearchMethod (const CloudKdTreePtr &a_tree) { tree_ = a_tree; };
 
      bool
      initCompute ();
 
      float
      smoothCloudIteration (PointCloudInPtr &output_positions,
                            NormalCloudPtr &output_normals);
 
      void
      computeSmoothedCloud (PointCloudInPtr &output_positions,
                            NormalCloudPtr &output_normals);
 
 
      void
      smoothPoint (std::size_t &point_index,
                   PointT &output_point,
                   PointNT &output_normal);
 
      void
      extractSalientFeaturesBetweenScales (PointCloudInPtr &cloud2,
                                           NormalCloudPtr &cloud2_normals,
                                           pcl::IndicesPtr &output_features);
 
    private:
      float scale_, scale_squared_;
      NormalCloudPtr normals_;
 
      PointCloudInPtr interm_cloud_;
      NormalCloudPtr interm_normals_;
 
      CloudKdTreePtr tree_;
 
  };
}
 
#ifdef PCL_NO_PRECOMPILE
#include <pcl/surface/impl/surfel_smoothing.hpp>
#endif