Point Cloud Library (PCL)  1.9.1-dev
Classes | Typedefs | Enumerations | Functions | Variables
pcl::gpu::people::trees Namespace Reference

Classes

struct  AttribLocation
 
class  Histogram
 
struct  HistogramPair
 
struct  LabeledAttrib
 
struct  LabeledFeature
 
struct  Node
 
struct  SplitPoint
 

Typedefs

typedef int16_t Attrib
 
typedef uint8_t Label
 
typedef uint32_t Label32
 
typedef uint16_t Depth
 

Enumerations

enum  { NUM_ATTRIBS = 2000 }
 
enum  { NUM_LABELS = 32 }
 

Functions

std::ostream & operator<< (std::ostream &os, const AttribLocation &aloc)
 
std::istream & operator>> (std::istream &is, AttribLocation &aloc)
 
std::istream & operator>> (std::istream &is, Node &n)
 
void writeAttribLocs (const std::string &filename, const std::vector< AttribLocation > &alocs)
 
void readAttribLocs (const std::string &filename, std::vector< AttribLocation > &alocs)
 
void readThreshs (const std::string &filename, std::vector< Attrib > &threshs)
 
void writeThreshs (const std::string &filename, const std::vector< Attrib > &threshs)
 
int loadTree (std::istream &is, std::vector< Node > &tree, std::vector< Label > &leaves)
 The stream points to ascii data that goes:

TreeHeight du1 dv1 du2 dv2 thresh du1 dv1 du2 dv2 thresh ............ More...
 
int loadTree (const std::string &filename, std::vector< Node > &tree, std::vector< Label > &leaves)
 
void runThroughTree (int maxDepth, const std::vector< Node > &tree, const std::vector< Label > &leaves, int W, int H, const uint16_t *dmap, Label *lmap)
 
static uint64_t numElements (const Histogram &h)
 
static double entropy (const Histogram &h)
 This is cool. More...
 
static double entropy_merged (const HistogramPair &hp)
 This is a little weird. More...
 
static double informationGain (const HistogramPair &hp)
 This will compute the gain in information resulting from the split. More...
 
static std::ostream & operator<< (std::ostream &os, const Histogram &h)
 
static std::istream & operator>> (std::istream &is, Histogram &h)
 
static std::ostream & operator<< (std::ostream &os, const HistogramPair &hp)
 
static std::istream & operator>> (std::istream &is, HistogramPair &hp)
 
static void writeLabeledFeatureVec (std::ostream &os, const std::vector< LabeledFeature > &lfs)
 
std::ostream & operator<< (std::ostream &os, const SplitPoint &sp)
 
std::istream & operator>> (std::istream &is, SplitPoint &sp)
 
void writeInfoFile (const std::string &filename, int attribId, Attrib threshold, double gain, const HistogramPair &HP)
 
void readInfoFile (const std::string &filename, int &attribId, Attrib &threshold, double &gain, HistogramPair &HP)
 

Variables

static const double focal = 1000.
 

Typedef Documentation

Definition at line 72 of file tree.h.

Definition at line 75 of file tree.h.

Definition at line 73 of file tree.h.

Definition at line 74 of file tree.h.

Enumeration Type Documentation

anonymous enum
Enumerator
NUM_ATTRIBS 

Definition at line 60 of file tree.h.

anonymous enum
Enumerator
NUM_LABELS 

Definition at line 61 of file tree.h.

Function Documentation

static double pcl::gpu::people::trees::entropy ( const Histogram h)
inlinestatic

This is cool.

Definition at line 93 of file tree_train.h.

References numElements().

Referenced by entropy_merged(), and informationGain().

static double pcl::gpu::people::trees::entropy_merged ( const HistogramPair hp)
inlinestatic

This is a little weird.

. it will just compute the entropy of the merged histograms

Definition at line 108 of file tree_train.h.

References entropy(), pcl::gpu::people::trees::HistogramPair::h_false(), pcl::gpu::people::trees::HistogramPair::h_true(), and numElements().

Referenced by informationGain().

static double pcl::gpu::people::trees::informationGain ( const HistogramPair hp)
inlinestatic

This will compute the gain in information resulting from the split.

Definition at line 127 of file tree_train.h.

References entropy(), entropy_merged(), pcl::gpu::people::trees::HistogramPair::h_false(), pcl::gpu::people::trees::HistogramPair::h_true(), and numElements().

int pcl::gpu::people::trees::loadTree ( std::istream &  is,
std::vector< Node > &  tree,
std::vector< Label > &  leaves 
)

The stream points to ascii data that goes:

TreeHeight du1 dv1 du2 dv2 thresh du1 dv1 du2 dv2 thresh ............

label label

there are 2^threeheight -1 nodes ( [du1 dv1 du2 dv2 thresh] lines ) there are 2^threeheight leaves ( [label] lines )

Referenced by operator>>().

int pcl::gpu::people::trees::loadTree ( const std::string &  filename,
std::vector< Node > &  tree,
std::vector< Label > &  leaves 
)
static uint64_t pcl::gpu::people::trees::numElements ( const Histogram h)
inlinestatic

Definition at line 84 of file tree_train.h.

Referenced by entropy(), entropy_merged(), and informationGain().

std::ostream& pcl::gpu::people::trees::operator<< ( std::ostream &  os,
const AttribLocation aloc 
)
inline
static std::ostream& pcl::gpu::people::trees::operator<< ( std::ostream &  os,
const Histogram h 
)
inlinestatic

Definition at line 144 of file tree_train.h.

static std::ostream& pcl::gpu::people::trees::operator<< ( std::ostream &  os,
const HistogramPair hp 
)
inlinestatic
std::ostream& pcl::gpu::people::trees::operator<< ( std::ostream &  os,
const SplitPoint sp 
)
inline
std::istream& pcl::gpu::people::trees::operator>> ( std::istream &  is,
AttribLocation aloc 
)
inline
std::istream& pcl::gpu::people::trees::operator>> ( std::istream &  is,
Node n 
)
inline
static std::istream& pcl::gpu::people::trees::operator>> ( std::istream &  is,
Histogram h 
)
inlinestatic

Definition at line 150 of file tree_train.h.

static std::istream& pcl::gpu::people::trees::operator>> ( std::istream &  is,
HistogramPair hp 
)
inlinestatic
std::istream& pcl::gpu::people::trees::operator>> ( std::istream &  is,
SplitPoint sp 
)
inline
void pcl::gpu::people::trees::readAttribLocs ( const std::string &  filename,
std::vector< AttribLocation > &  alocs 
)

Referenced by operator>>().

void pcl::gpu::people::trees::readInfoFile ( const std::string &  filename,
int &  attribId,
Attrib threshold,
double &  gain,
HistogramPair HP 
)
inline

Definition at line 212 of file tree_train.h.

void pcl::gpu::people::trees::readThreshs ( const std::string &  filename,
std::vector< Attrib > &  threshs 
)

Referenced by operator>>().

void pcl::gpu::people::trees::runThroughTree ( int  maxDepth,
const std::vector< Node > &  tree,
const std::vector< Label > &  leaves,
int  W,
int  H,
const uint16_t *  dmap,
Label lmap 
)

Referenced by operator>>().

void pcl::gpu::people::trees::writeAttribLocs ( const std::string &  filename,
const std::vector< AttribLocation > &  alocs 
)

Referenced by operator>>().

void pcl::gpu::people::trees::writeInfoFile ( const std::string &  filename,
int  attribId,
Attrib  threshold,
double  gain,
const HistogramPair HP 
)
inline

Definition at line 199 of file tree_train.h.

static void pcl::gpu::people::trees::writeLabeledFeatureVec ( std::ostream &  os,
const std::vector< LabeledFeature > &  lfs 
)
static

Definition at line 173 of file tree_train.h.

void pcl::gpu::people::trees::writeThreshs ( const std::string &  filename,
const std::vector< Attrib > &  threshs 
)

Referenced by operator>>().

Variable Documentation

const double pcl::gpu::people::trees::focal = 1000.
static

Definition at line 56 of file tree.h.