vifa_group_pgram Class Reference

#include <vifa_group_pgram.h>

Inheritance diagram for vifa_group_pgram:

[legend]List of all members.

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Detailed Description

Definition at line 29 of file vifa_group_pgram.h.

Public Member Functions
	vifa_group_pgram (imp_line_list &lg, const vifa_group_pgram_params &old_params, double angle_range=180.0)
	~vifa_group_pgram ()
	Destructor.
void	Index (imp_line_sptr il)
	Add an ImplicitLine to the index.
void	Index (imp_line_list &lg)
	Add a set of ImplicitLines to the angular index.
void	Clear ()
	Clear all lines from the index.
vifa_histogram_sptr	GetCoverageHist (void)
	Compute a histogram of parallel line coverage.
vifa_line_cover_sptr	GetLineCover (int angle_bin)
	Get a populated line coverage corresponding to a given angle bin.
double	LineCoverage (int angle_bin)
	Compute parallel line overlap on a line at the same orientation with midpoint at the center of the region of the line group.
void	CollectAdjacentLines (int angle_bin, imp_line_list &lg)
	Collect implicit line(s) from the angle array at orientations +- the given bin orientation.
vifa_bbox_sptr	GetBoundingBox (void)
void	SetTemp1 (const double tmp)
double	GetAdjacentPerimeter (int bin)
	Get Total length of parallel lines adjacent and including a bin.
double	norm_parallel_line_length (void)
	Compute the total length of parallel lines normalized by the total edge perimeter.
float	angle_increment ()
	Granularity in the angle bins.
int	max_suppress_radius ()
	Radius of maximum suppression kernel.
float	length_ratio ()
	Relative length of sorter side of parallelogram.
bool	SanityCheck ()
	Check that parameters are within acceptable bounds.
void	print_info (void)
	Output contents.
bool	Valid ()
const char *	GetErrorMsg ()
void	SetErrorMsg (const char *msg)
void	touch ()
unsigned long	get_time_stamp () const
bool	older (vul_timestamp const &t) const
bool	older (vul_timestamp const *t) const
void	ref ()
void	unref ()
int	get_references () const
bool	is_referenced () const
Protected Member Functions
int	AngleLoc (imp_line_sptr il)
	Find the angle bin corresponding to an implicit_line.
imp_line_sptr	LineAtAngle (int angle_bin)
	Define a line passing through the center of the Hough ROI and at an angle correspoinding the angle bin.
void	CheckUpdateBoundingBox (void)
void	ComputeBoundingBox (void)
	Compute the bounding box of the current index.
void	ComputeDominantDirs (void)
	Compute the dominant directions using the coverage histogram.
void	init_params (float angle_increment, int max_suppress_radius, float length_ratio)
	Assign internal parameter blocks.
Protected Attributes
unsigned long	timestamp_
Private Attributes
int	th_dim_
double	angle_range_
vcl_vector< int >	dominant_dirs_
	Array of dominant theta indices.
vifa_bbox_sptr	bb_
imp_line_table	curves_
double	tmp1_

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Constructor & Destructor Documentation

vifa_group_pgram::vifa_group_pgram (  imp_line_list &  lg, const vifa_group_pgram_params &  old_params, double  angle_range = 180.0 )

Definition at line 17 of file vifa_group_pgram.cxx.

vifa_group_pgram::~vifa_group_pgram (   )

Destructor. Definition at line 38 of file vifa_group_pgram.cxx.

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Member Function Documentation

float vifa_group_pgram_params::angle_increment (   )  [inline, inherited]

Granularity in the angle bins. Definition at line 36 of file vifa_group_pgram_params.h.

int vifa_group_pgram::AngleLoc (  imp_line_sptr  il  )  [protected]

Find the angle bin corresponding to an implicit_line. Definition at line 282 of file vifa_group_pgram.cxx.

void vifa_group_pgram::CheckUpdateBoundingBox (  void   )  [inline, protected]

Definition at line 76 of file vifa_group_pgram.h.

void vifa_group_pgram::Clear (   )

Clear all lines from the index. Definition at line 76 of file vifa_group_pgram.cxx.

void vifa_group_pgram::CollectAdjacentLines (  int  angle_bin, imp_line_list &  lg )

Collect implicit line(s) from the angle array at orientations +- the given bin orientation. Wrap around the end of the array so that 0 degrees and 180 degrees are considered parallel. Definition at line 174 of file vifa_group_pgram.cxx.

void vifa_group_pgram::ComputeBoundingBox (  void   )  [protected]

Compute the bounding box of the current index. Definition at line 321 of file vifa_group_pgram.cxx.

void vifa_group_pgram::ComputeDominantDirs (  void   )  [protected]

Compute the dominant directions using the coverage histogram. A dominant direction is a local maximum in the coverage distribution. Definition at line 348 of file vifa_group_pgram.cxx.

double vifa_group_pgram::GetAdjacentPerimeter (  int  bin  )

Get Total length of parallel lines adjacent and including a bin. Definition at line 218 of file vifa_group_pgram.cxx.

vifa_bbox_sptr vifa_group_pgram::GetBoundingBox (  void   )  [inline]

Definition at line 90 of file vifa_group_pgram.h.

vifa_histogram_sptr vifa_group_pgram::GetCoverageHist (  void   )

Compute a histogram of parallel line coverage. Definition at line 96 of file vifa_group_pgram.cxx.

vifa_line_cover_sptr vifa_group_pgram::GetLineCover (  int  angle_bin  )

Get a populated line coverage corresponding to a given angle bin. Definition at line 110 of file vifa_group_pgram.cxx.

void vifa_group_pgram::Index (  imp_line_list &  lg  )

Add a set of ImplicitLines to the angular index. Definition at line 67 of file vifa_group_pgram.cxx.

void vifa_group_pgram::Index (  imp_line_sptr  il  )

Add an ImplicitLine to the index. Definition at line 56 of file vifa_group_pgram.cxx.

void vifa_group_pgram_params::init_params (  float  angle_increment, int  max_suppress_radius, float  length_ratio )  [inline, protected, inherited]

Assign internal parameter blocks. Definition at line 63 of file vifa_group_pgram_params.h.

float vifa_group_pgram_params::length_ratio (   )  [inline, inherited]

Relative length of sorter side of parallelogram. Definition at line 42 of file vifa_group_pgram_params.h.

imp_line_sptr vifa_group_pgram::LineAtAngle (  int  angle_bin  )  [protected]

Define a line passing through the center of the Hough ROI and at an angle correspoinding the angle bin. Definition at line 302 of file vifa_group_pgram.cxx.

double vifa_group_pgram::LineCoverage (  int  angle_bin  )

Compute parallel line overlap on a line at the same orientation with midpoint at the center of the region of the line group. Definition at line 164 of file vifa_group_pgram.cxx.

int vifa_group_pgram_params::max_suppress_radius (   )  [inline, inherited]

Radius of maximum suppression kernel. Definition at line 39 of file vifa_group_pgram_params.h.

double vifa_group_pgram::norm_parallel_line_length (  void   )

Compute the total length of parallel lines normalized by the total edge perimeter. Definition at line 236 of file vifa_group_pgram.cxx.

void vifa_group_pgram_params::print_info (  void   )  [inherited]

Output contents. Definition at line 45 of file vifa_group_pgram_params.cxx.

bool vifa_group_pgram_params::SanityCheck (   )  [virtual, inherited]

Check that parameters are within acceptable bounds. Reimplemented from gevd_param_mixin. Definition at line 17 of file vifa_group_pgram_params.cxx.

void vifa_group_pgram::SetTemp1 (  const double  tmp  )  [inline]

Definition at line 62 of file vifa_group_pgram.h.

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Member Data Documentation

double vifa_group_pgram::angle_range_ [private]

Definition at line 32 of file vifa_group_pgram.h.

vifa_bbox_sptr vifa_group_pgram::bb_ [private]

Definition at line 37 of file vifa_group_pgram.h.

imp_line_table vifa_group_pgram::curves_ [private]

Definition at line 38 of file vifa_group_pgram.h.

vcl_vector<int> vifa_group_pgram::dominant_dirs_ [private]

Array of dominant theta indices. Definition at line 35 of file vifa_group_pgram.h.

int vifa_group_pgram::th_dim_ [private]

Definition at line 31 of file vifa_group_pgram.h.

double vifa_group_pgram::tmp1_ [private]

Definition at line 39 of file vifa_group_pgram.h.

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

• contrib/gel/vifa/vifa_group_pgram.h
• contrib/gel/vifa/vifa_group_pgram.cxx

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