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/PointCloudLibrarySHOTEstimationOMP estimates the Signature of Histograms of OrienTations (SHOT) descriptor for a given point cloud dataset containing points and normals, in parallel, using the OpenMP standard. More...
#include <pcl/features/shot_omp.h>
Public Member Functions | |
| SHOTEstimationOMP (unsigned int nr_threads=0) | |
| Empty constructor. More... |
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| void | setNumberOfThreads (unsigned int nr_threads=0) |
| Initialize the scheduler and set the number of threads to use. More... |
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 Public Member Functions inherited from pcl::SHOTEstimation< PointInT, PointNT, pcl::SHOT352, pcl::ReferenceFrame >
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| SHOTEstimation () | |
| Empty constructor. More... |
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| ~SHOTEstimation () | |
| Empty destructor. More... |
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| void | computePointSHOT (const int index, const pcl::Indices &indices, const std::vector< float > &sqr_dists, Eigen::VectorXf &shot) override |
| Estimate the SHOT descriptor for a given point based on its spatial neighborhood of 3D points with normals. More... |
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Public Member Functions inherited from pcl::SHOTEstimationBase< PointInT, PointNT, pcl::SHOT352, pcl::ReferenceFrame >
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| ~SHOTEstimationBase () | |
| Empty destructor. More... |
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| virtual void | setLRFRadius (float radius) |
| Set the radius used for local reference frame estimation if the frames are not set by the user. More... |
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| virtual float | getLRFRadius () const |
| Get the radius used for local reference frame estimation. More... |
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Public Member Functions inherited from pcl::FeatureFromNormals< PointInT, PointNT, pcl::SHOT352 >
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| FeatureFromNormals () | |
| Empty constructor. More... |
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| virtual | ~FeatureFromNormals () |
| Empty destructor. More... |
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| void | setInputNormals (const PointCloudNConstPtr &normals) |
| Provide a pointer to the input dataset that contains the point normals of the XYZ dataset. More... |
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| PointCloudNConstPtr | getInputNormals () const |
| Get a pointer to the normals of the input XYZ point cloud dataset. More... |
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Public Member Functions inherited from pcl::Feature< PointInT, pcl::SHOT352 >
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| Feature () | |
| Empty constructor. More... |
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| virtual | ~Feature () |
| Empty destructor. More... |
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| void | setSearchSurface (const PointCloudInConstPtr &cloud) |
| Provide a pointer to a dataset to add additional information to estimate the features for every point in the input dataset. More... |
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| PointCloudInConstPtr | getSearchSurface () const |
| Get a pointer to the surface point cloud dataset. More... |
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| void | setSearchMethod (const KdTreePtr &tree) |
| Provide a pointer to the search object. More... |
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| KdTreePtr | getSearchMethod () const |
| Get a pointer to the search method used. More... |
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| double | getSearchParameter () const |
| Get the internal search parameter. More... |
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| void | setKSearch (int k) |
| Set the number of k nearest neighbors to use for the feature estimation. More... |
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| int | getKSearch () const |
| get the number of k nearest neighbors used for the feature estimation. More... |
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| void | setRadiusSearch (double radius) |
| Set the sphere radius that is to be used for determining the nearest neighbors used for the feature estimation. More... |
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| double | getRadiusSearch () const |
| Get the sphere radius used for determining the neighbors. More... |
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| void | compute (PointCloudOut &output) |
| Base method for feature estimation for all points given in <setInputCloud (), setIndices ()> using the surface in setSearchSurface () and the spatial locator in setSearchMethod () More... |
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Public Member Functions inherited from pcl::PCLBase< PointInT >
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| PCLBase () | |
| Empty constructor. More... |
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| PCLBase (const PCLBase &base) | |
| Copy constructor. More... |
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| virtual | ~PCLBase ()=default |
| Destructor. More... |
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| virtual void | setInputCloud (const PointCloudConstPtr &cloud) |
| Provide a pointer to the input dataset. More... |
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| const PointCloudConstPtr | getInputCloud () const |
| Get a pointer to the input point cloud dataset. More... |
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| virtual void | setIndices (const IndicesPtr &indices) |
| Provide a pointer to the vector of indices that represents the input data. More... |
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| virtual void | setIndices (const IndicesConstPtr &indices) |
| Provide a pointer to the vector of indices that represents the input data. More... |
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| virtual void | setIndices (const PointIndicesConstPtr &indices) |
| Provide a pointer to the vector of indices that represents the input data. More... |
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| virtual void | setIndices (std::size_t row_start, std::size_t col_start, std::size_t nb_rows, std::size_t nb_cols) |
| Set the indices for the points laying within an interest region of the point cloud. More... |
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| IndicesPtr | getIndices () |
| Get a pointer to the vector of indices used. More... |
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| const IndicesConstPtr | getIndices () const |
| Get a pointer to the vector of indices used. More... |
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| const PointInT & | operator[] (std::size_t pos) const |
| Override PointCloud operator[] to shorten code. More... |
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Public Member Functions inherited from pcl::FeatureWithLocalReferenceFrames< PointInT, pcl::ReferenceFrame >
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| FeatureWithLocalReferenceFrames () | |
| Empty constructor. More... |
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| virtual | ~FeatureWithLocalReferenceFrames () |
| Empty destructor. More... |
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| void | setInputReferenceFrames (const PointCloudLRFConstPtr &frames) |
| Provide a pointer to the input dataset that contains the local reference frames of the XYZ dataset. More... |
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| PointCloudLRFConstPtr | getInputReferenceFrames () const |
| Get a pointer to the local reference frames. More... |
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Protected Member Functions | |
| void | computeFeature (PointCloudOut &output) override |
| Estimate the Signatures of Histograms of OrienTations (SHOT) descriptors at a set of points given by <setInputCloud (), setIndices ()> using the surface in setSearchSurface () and the spatial locator in setSearchMethod () More... |
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| bool | initCompute () override |
| This method should get called before starting the actual computation. More... |
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Protected Member Functions inherited from pcl::SHOTEstimation< PointInT, PointNT, pcl::SHOT352, pcl::ReferenceFrame >
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| void | computeFeature (pcl::PointCloud< pcl::SHOT352 > &output) override |
| Estimate the Signatures of Histograms of OrienTations (SHOT) descriptors at a set of points given by <setInputCloud (), setIndices ()> using the surface in setSearchSurface () and the spatial locator in setSearchMethod () More... |
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Protected Member Functions inherited from pcl::SHOTEstimationBase< PointInT, PointNT, pcl::SHOT352, pcl::ReferenceFrame >
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| SHOTEstimationBase (int nr_shape_bins=10) | |
| Empty constructor. More... |
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| bool | initCompute () override |
| This method should get called before starting the actual computation. More... |
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| void | interpolateSingleChannel (const pcl::Indices &indices, const std::vector< float > &sqr_dists, const int index, std::vector< double > &binDistance, const int nr_bins, Eigen::VectorXf &shot) |
| Quadrilinear interpolation used when color and shape descriptions are NOT activated simultaneously. More... |
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| void | normalizeHistogram (Eigen::VectorXf &shot, int desc_length) |
| Normalize the SHOT histogram. More... |
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| void | createBinDistanceShape (int index, const pcl::Indices &indices, std::vector< double > &bin_distance_shape) |
| Create a binned distance shape histogram. More... |
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Protected Member Functions inherited from pcl::Feature< PointInT, pcl::SHOT352 >
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| const std::string & | getClassName () const |
| Get a string representation of the name of this class. More... |
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| virtual bool | deinitCompute () |
| This method should get called after ending the actual computation. More... |
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| int | searchForNeighbors (std::size_t index, double parameter, pcl::Indices &indices, std::vector< float > &distances) const |
| Search for k-nearest neighbors using the spatial locator from setSearchmethod, and the given surface from setSearchSurface. More... |
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| int | searchForNeighbors (const PointCloudIn &cloud, std::size_t index, double parameter, pcl::Indices &indices, std::vector< float > &distances) const |
| Search for k-nearest neighbors using the spatial locator from setSearchmethod, and the given surface from setSearchSurface. More... |
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Protected Member Functions inherited from pcl::PCLBase< PointInT >
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| bool | initCompute () |
| This method should get called before starting the actual computation. More... |
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| bool | deinitCompute () |
| This method should get called after finishing the actual computation. More... |
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Protected Member Functions inherited from pcl::FeatureWithLocalReferenceFrames< PointInT, pcl::ReferenceFrame >
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| virtual bool | initLocalReferenceFrames (const std::size_t &indices_size, const LRFEstimationPtr &lrf_estimation=LRFEstimationPtr()) |
Protected Attributes | |
| unsigned int | threads_ |
| The number of threads the scheduler should use. More... |
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Protected Attributes inherited from pcl::SHOTEstimationBase< PointInT, PointNT, pcl::SHOT352, pcl::ReferenceFrame >
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| int | nr_shape_bins_ |
| The number of bins in each shape histogram. More... |
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| Eigen::VectorXf | shot_ |
| Placeholder for a point's SHOT. More... |
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| float | lrf_radius_ |
| The radius used for the LRF computation. More... |
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| double | sqradius_ |
| The squared search radius. More... |
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| double | radius3_4_ |
| 3/4 of the search radius. More... |
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| double | radius1_4_ |
| 1/4 of the search radius. More... |
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| double | radius1_2_ |
| 1/2 of the search radius. More... |
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| const int | nr_grid_sector_ |
| Number of azimuthal sectors. More... |
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| const int | maxAngularSectors_ |
| ... More... |
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| int | descLength_ |
| One SHOT length. More... |
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Protected Attributes inherited from pcl::FeatureFromNormals< PointInT, PointNT, pcl::SHOT352 >
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| PointCloudNConstPtr | normals_ |
| A pointer to the input dataset that contains the point normals of the XYZ dataset. More... |
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Protected Attributes inherited from pcl::Feature< PointInT, pcl::SHOT352 >
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| std::string | feature_name_ |
| The feature name. More... |
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| SearchMethodSurface | search_method_surface_ |
| The search method template for points. More... |
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| PointCloudInConstPtr | surface_ |
| An input point cloud describing the surface that is to be used for nearest neighbors estimation. More... |
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| KdTreePtr | tree_ |
| A pointer to the spatial search object. More... |
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| double | search_parameter_ |
| The actual search parameter (from either search_radius_ or k_). More... |
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| double | search_radius_ |
| The nearest neighbors search radius for each point. More... |
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| int | k_ |
| The number of K nearest neighbors to use for each point. More... |
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| bool | fake_surface_ |
| If no surface is given, we use the input PointCloud as the surface. More... |
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Protected Attributes inherited from pcl::PCLBase< PointInT >
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| PointCloudConstPtr | input_ |
| The input point cloud dataset. More... |
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| IndicesPtr | indices_ |
| A pointer to the vector of point indices to use. More... |
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| bool | use_indices_ |
| Set to true if point indices are used. More... |
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| bool | fake_indices_ |
| If no set of indices are given, we construct a set of fake indices that mimic the input PointCloud. More... |
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Protected Attributes inherited from pcl::FeatureWithLocalReferenceFrames< PointInT, pcl::ReferenceFrame >
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| PointCloudLRFConstPtr | frames_ |
| A boost shared pointer to the local reference frames. More... |
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| bool | frames_never_defined_ |
| The user has never set the frames. More... |
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Additional Inherited Members | |
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Protected Types inherited from pcl::FeatureWithLocalReferenceFrames< PointInT, pcl::ReferenceFrame >
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| using | LRFEstimationPtr = typename Feature< PointInT, pcl::ReferenceFrame >::Ptr |
| Check if frames_ has been correctly initialized and compute it if needed. More... |
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Detailed Description
template<typename PointInT, typename PointNT, typename PointOutT = pcl::SHOT352, typename PointRFT = pcl::ReferenceFrame>
class pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >
SHOTEstimationOMP estimates the Signature of Histograms of OrienTations (SHOT) descriptor for a given point cloud dataset containing points and normals, in parallel, using the OpenMP standard.
The suggested PointOutT is pcl::SHOT352.
- Note
- If you use this code in any academic work, please cite:
- F. Tombari, S. Salti, L. Di Stefano Unique Signatures of Histograms for Local Surface Description. In Proceedings of the 11th European Conference on Computer Vision (ECCV), Heraklion, Greece, September 5-11 2010.
- F. Tombari, S. Salti, L. Di Stefano A Combined Texture-Shape Descriptor For Enhanced 3D Feature Matching. In Proceedings of the 18th International Conference on Image Processing (ICIP), Brussels, Belgium, September 11-14 2011.
Definition at line 69 of file shot_omp.h.
Member Typedef Documentation
ConstPtr
template<typename PointInT , typename PointNT , typename PointOutT = pcl::SHOT352, typename PointRFT = pcl::ReferenceFrame>
| using pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >::ConstPtr = shared_ptr<const SHOTEstimationOMP<PointInT, PointNT, PointOutT, PointRFT> > |
Definition at line 73 of file shot_omp.h.
PointCloudIn
template<typename PointInT , typename PointNT , typename PointOutT = pcl::SHOT352, typename PointRFT = pcl::ReferenceFrame>
| using pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >::PointCloudIn = typename Feature<PointInT, PointOutT>::PointCloudIn |
Definition at line 95 of file shot_omp.h.
PointCloudOut
template<typename PointInT , typename PointNT , typename PointOutT = pcl::SHOT352, typename PointRFT = pcl::ReferenceFrame>
| using pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >::PointCloudOut = typename Feature<PointInT, PointOutT>::PointCloudOut |
Definition at line 94 of file shot_omp.h.
Ptr
template<typename PointInT , typename PointNT , typename PointOutT = pcl::SHOT352, typename PointRFT = pcl::ReferenceFrame>
| using pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >::Ptr = shared_ptr<SHOTEstimationOMP<PointInT, PointNT, PointOutT, PointRFT> > |
Definition at line 72 of file shot_omp.h.
Constructor & Destructor Documentation
SHOTEstimationOMP()
template<typename PointInT , typename PointNT , typename PointOutT = pcl::SHOT352, typename PointRFT = pcl::ReferenceFrame>
| inline |
Empty constructor.
Definition at line 98 of file shot_omp.h.
References pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >::setNumberOfThreads().
Member Function Documentation
computeFeature()
template<typename PointInT , typename PointNT , typename PointOutT , typename PointRFT >
| overrideprotected |
Estimate the Signatures of Histograms of OrienTations (SHOT) descriptors at a set of points given by <setInputCloud (), setIndices ()> using the surface in setSearchSurface () and the spatial locator in setSearchMethod ()
- Parameters
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output the resultant point cloud model dataset that contains the SHOT feature estimates
Definition at line 140 of file shot_omp.hpp.
References pcl::isFinite().
initCompute()
template<typename PointInT , typename PointNT , typename PointOutT , typename PointRFT >
| overrideprotectedvirtual |
This method should get called before starting the actual computation.
Reimplemented from pcl::FeatureFromNormals< PointInT, PointNT, pcl::SHOT352 >.
Definition at line 50 of file shot_omp.hpp.
References pcl::PCLBase< PointInT >::setIndices(), pcl::PCLBase< PointInT >::setInputCloud(), pcl::SHOTLocalReferenceFrameEstimationOMP< PointInT, PointOutT >::setNumberOfThreads(), pcl::Feature< PointInT, ReferenceFrame >::setRadiusSearch(), and pcl::Feature< PointInT, ReferenceFrame >::setSearchSurface().
setNumberOfThreads()
template<typename PointInT , typename PointNT , typename PointOutT , typename PointRFT >
| void pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >::setNumberOfThreads | ( | unsigned int |
nr_threads = 0
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) |
Initialize the scheduler and set the number of threads to use.
- Parameters
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nr_threads the number of hardware threads to use (0 sets the value back to automatic)
Definition at line 126 of file shot_omp.hpp.
Referenced by pcl::SHOTEstimationOMP< PointInT, PointNT, PointOutT, PointRFT >::SHOTEstimationOMP().
Member Data Documentation
threads_
template<typename PointInT , typename PointNT , typename PointOutT = pcl::SHOT352, typename PointRFT = pcl::ReferenceFrame>
| protected |
The number of threads the scheduler should use.
Definition at line 124 of file shot_omp.h.
The documentation for this class was generated from the following files:
- pcl/features/shot_omp.h
- pcl/features/impl/shot_omp.hpp
© 2009–2012, Willow Garage, Inc.
© 2012–, Open Perception, Inc.
Licensed under the BSD License.
https://pointclouds.org/documentation/classpcl_1_1_s_h_o_t_estimation_o_m_p.html