pcl::people::PersonClassifier< PointT > Class Template Reference

#include <pcl/people/person_classifier.h>

Inheritance diagram for pcl::people::PersonClassifier< PointT >:

Public Types
typedef pcl::PointCloud< PointT >	PointCloud
typedef boost::shared_ptr < PointCloud >	PointCloudPtr
Public Member Functions
	PersonClassifier ()
	Constructor.
virtual	~PersonClassifier ()
	Destructor.
bool	loadSVMFromFile (std::string svm_filename)
	Load SVM parameters from a text file.
void	setSVM (int window_height, int window_width, std::vector< float > SVM_weights, float SVM_offset)
	Set trained SVM for person confidence estimation.
void	getSVM (int &window_height, int &window_width, std::vector< float > &SVM_weights, float &SVM_offset)
	Get trained SVM for person confidence estimation.
void	resize (PointCloudPtr &input_image, PointCloudPtr &output_image, int width, int height)
	Resize an image represented by a pointcloud containing RGB information.
void	copyMakeBorder (PointCloudPtr &input_image, PointCloudPtr &output_image, int xmin, int ymin, int width, int height)
	Copies an image and makes a black border around it, where the source image is not present.
double	evaluate (float height, float xc, float yc, PointCloudPtr &image)
	Classify the given portion of image.
double	evaluate (PointCloudPtr &image, Eigen::Vector3f &bottom, Eigen::Vector3f &top, Eigen::Vector3f &centroid, bool vertical)
	Compute person confidence for a given PersonCluster.
Protected Attributes
int	window_height_
	Height of the image patch to classify.
int	window_width_
	Width of the image patch to classify.
float	SVM_offset_
	SVM offset.
std::vector< float >	SVM_weights_
	SVM weights vector.

Detailed Description

template<typename PointT>
class pcl::people::PersonClassifier< PointT >

Definition at line 54 of file person_classifier.h.

Member Typedef Documentation

template<typename PointT>

typedef pcl::PointCloud<PointT> pcl::people::PersonClassifier< PointT >::PointCloud

Definition at line 72 of file person_classifier.h.

template<typename PointT>

typedef boost::shared_ptr<PointCloud> pcl::people::PersonClassifier< PointT >::PointCloudPtr

Definition at line 73 of file person_classifier.h.

Constructor & Destructor Documentation

template<typename PointT >

pcl::people::PersonClassifier< PointT >::PersonClassifier ( ) [inline]

Constructor.

Definition at line 47 of file person_classifier.hpp.

template<typename PointT >

pcl::people::PersonClassifier< PointT >::~PersonClassifier ( ) [inline, virtual]

Destructor.

Definition at line 50 of file person_classifier.hpp.

Member Function Documentation

template<typename PointT >

void pcl::people::PersonClassifier< PointT >::copyMakeBorder	(	PointCloudPtr &	input_image,
		PointCloudPtr &	output_image,
		int	xmin,
		int	ymin,
		int	width,
		int	height
	)			`[inline]`

Copies an image and makes a black border around it, where the source image is not present.

Parameters:

`[in]`	input_image	A pointer to a pointcloud containing RGB information.
`[out]`	output_image	A pointer to the output pointcloud.
`[in]`	xmin	x coordinate of the top-left point of the bbox to copy from the input image.
`[in]`	ymin	y coordinate of the top-left point of the bbox to copy from the input image.
`[in]`	width	Output width.
`[in]`	height	Output height.

Definition at line 181 of file person_classifier.hpp.

Referenced by pcl::people::PersonClassifier< PointT >::evaluate().

template<typename PointT >

double pcl::people::PersonClassifier< PointT >::evaluate	(	PointCloudPtr &	image,
		Eigen::Vector3f &	bottom,
		Eigen::Vector3f &	top,
		Eigen::Vector3f &	centroid,
		bool	vertical
	)			`[inline]`

Compute person confidence for a given PersonCluster.

Parameters:

`[in]`	image	The input image (pointer to a point cloud containing RGB information).
`[in]`	bottom	Theoretical bottom point of the cluster projected to the image.
`[in]`	top	Theoretical top point of the cluster projected to the image.
`[in]`	centroid	Theoretical centroid point of the cluster projected to the image.
`[in]`	vertical	If true, the sensor is considered to be vertically placed (portrait mode).

Returns:: The person confidence.

Definition at line 282 of file person_classifier.hpp.

References pcl::people::PersonClassifier< PointT >::evaluate().

template<typename PointT >

double pcl::people::PersonClassifier< PointT >::evaluate	(	float	height,
		float	xc,
		float	yc,
		PointCloudPtr &	image
	)			`[inline]`

Classify the given portion of image.

Parameters:

`[in]`	height	The height of the image patch to classify, in pixels.
`[in]`	xc	The x-coordinate of the center of the image patch to classify, in pixels.
`[in]`	yc	The y-coordinate of the center of the image patch to classify, in pixels.
`[in]`	image	The whole image (pointer to a point cloud containing RGB information) containing the object to classify.

Returns:: The classification score given by the SVM.

Definition at line 216 of file person_classifier.hpp.

References pcl::people::HOG::compute(), pcl::people::PersonClassifier< PointT >::copyMakeBorder(), pcl::people::PersonClassifier< PointT >::resize(), pcl::people::PersonClassifier< PointT >::SVM_offset_, pcl::people::PersonClassifier< PointT >::SVM_weights_, pcl::people::PersonClassifier< PointT >::window_height_, and pcl::people::PersonClassifier< PointT >::window_width_.

Referenced by pcl::people::GroundBasedPeopleDetectionApp< PointT >::compute(), and pcl::people::PersonClassifier< PointT >::evaluate().

template<typename PointT >

void pcl::people::PersonClassifier< PointT >::getSVM	(	int &	window_height,
		int &	window_width,
		std::vector< float > &	SVM_weights,
		float &	SVM_offset
	)			`[inline]`

Get trained SVM for person confidence estimation.

Parameters:

`[out]`	window_height	Detection window height.
`[out]`	window_width	Detection window width.
`[out]`	SVM_weights	SVM weights vector.
`[out]`	SVM_offset	SVM offset.

Definition at line 104 of file person_classifier.hpp.

References pcl::people::PersonClassifier< PointT >::SVM_offset_, pcl::people::PersonClassifier< PointT >::SVM_weights_, pcl::people::PersonClassifier< PointT >::window_height_, and pcl::people::PersonClassifier< PointT >::window_width_.

template<typename PointT >

bool pcl::people::PersonClassifier< PointT >::loadSVMFromFile ( std::string svm_filename ) [inline]

Load SVM parameters from a text file.

Parameters:

[in] svm_filename Filename containing SVM parameters.

Returns:: true if SVM has been correctly set, false otherwise.

Definition at line 53 of file person_classifier.hpp.

References pcl::people::PersonClassifier< PointT >::SVM_offset_, pcl::people::PersonClassifier< PointT >::SVM_weights_, pcl::people::PersonClassifier< PointT >::window_height_, and pcl::people::PersonClassifier< PointT >::window_width_.

template<typename PointT >

void pcl::people::PersonClassifier< PointT >::resize	(	PointCloudPtr &	input_image,
		PointCloudPtr &	output_image,
		int	width,
		int	height
	)			`[inline]`

Resize an image represented by a pointcloud containing RGB information.

Parameters:

`[in]`	input_image	A pointer to a pointcloud containing RGB information.
`[out]`	output_image	A pointer to the output pointcloud.
`[in]`	width	Output width.
`[in]`	height	Output height.

Definition at line 113 of file person_classifier.hpp.

Referenced by pcl::people::PersonClassifier< PointT >::evaluate().

template<typename PointT >

void pcl::people::PersonClassifier< PointT >::setSVM	(	int	window_height,
		int	window_width,
		std::vector< float >	SVM_weights,
		float	SVM_offset
	)			`[inline]`

Set trained SVM for person confidence estimation.

Parameters:

`[in]`	window_height	Detection window height.
`[in]`	window_width	Detection window width.
`[in]`	SVM_weights	SVM weights vector.
`[in]`	SVM_offset	SVM offset.

Definition at line 95 of file person_classifier.hpp.

References pcl::people::PersonClassifier< PointT >::SVM_offset_, pcl::people::PersonClassifier< PointT >::SVM_weights_, pcl::people::PersonClassifier< PointT >::window_height_, and pcl::people::PersonClassifier< PointT >::window_width_.

Member Data Documentation

template<typename PointT>

float pcl::people::PersonClassifier< PointT >::SVM_offset_ [protected]

SVM offset.

Definition at line 65 of file person_classifier.h.

Referenced by pcl::people::PersonClassifier< PointT >::evaluate(), pcl::people::PersonClassifier< PointT >::getSVM(), pcl::people::PersonClassifier< PointT >::loadSVMFromFile(), and pcl::people::PersonClassifier< PointT >::setSVM().

template<typename PointT>

std::vector<float> pcl::people::PersonClassifier< PointT >::SVM_weights_ [protected]

SVM weights vector.

Definition at line 68 of file person_classifier.h.

Referenced by pcl::people::PersonClassifier< PointT >::evaluate(), pcl::people::PersonClassifier< PointT >::getSVM(), pcl::people::PersonClassifier< PointT >::loadSVMFromFile(), and pcl::people::PersonClassifier< PointT >::setSVM().

template<typename PointT>

int pcl::people::PersonClassifier< PointT >::window_height_ [protected]

Height of the image patch to classify.

Definition at line 59 of file person_classifier.h.

Referenced by pcl::people::PersonClassifier< PointT >::evaluate(), pcl::people::PersonClassifier< PointT >::getSVM(), pcl::people::PersonClassifier< PointT >::loadSVMFromFile(), and pcl::people::PersonClassifier< PointT >::setSVM().

template<typename PointT>

int pcl::people::PersonClassifier< PointT >::window_width_ [protected]

Width of the image patch to classify.

Definition at line 62 of file person_classifier.h.

Referenced by pcl::people::PersonClassifier< PointT >::evaluate(), pcl::people::PersonClassifier< PointT >::getSVM(), pcl::people::PersonClassifier< PointT >::loadSVMFromFile(), and pcl::people::PersonClassifier< PointT >::setSVM().

The documentation for this class was generated from the following files:

/builddir/build/BUILD/pcl-pcl-1.7.1/people/include/pcl/people/person_classifier.h
/builddir/build/BUILD/pcl-pcl-1.7.1/people/include/pcl/people/impl/person_classifier.hpp

pcl::people::PersonClassifier< PointT > Class Template Reference

Public Types

Public Member Functions

Protected Attributes

Detailed Description

template<typename PointT> class pcl::people::PersonClassifier< PointT >

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation

template<typename PointT>
class pcl::people::PersonClassifier< PointT >