kjb::Integral_flow Class Reference

#include <flow_integral_flow.h>

Public Member Functions
	Integral_flow (const Matrix &flow, size_t subsample_rate=1)
	Construct an integral flow object from the given flow matrix and sub-sampling rate. More...
	Integral_flow (const std::string &fname)
	Construct an integral flow from input file. More...
double	flow_sum (double x, double y) const
	Returns the (interpolated) value of the integral flow at (x, y); i.e., computes the sum of flow in the box with corners at (0, 0) and (x, y). More...
double	flow_sum (const Axis_aligned_rectangle_2d &box) const
	Returns the sum of flows inside the given box. More...
void	write (const std::string &fname)
size_t	img_width () const
size_t	img_height () const

Detailed Description

Class that represents the summed area table for optical flow features.

Constructor & Destructor Documentation

Integral_flow::Integral_flow	(	const Matrix &	flow,
		size_t	subsample_rate = 1
	)

Construct an integral flow object from the given flow matrix and sub-sampling rate.

Integral_flow::Integral_flow

(

const std::string &

fname

)

Construct an integral flow from input file.

Member Function Documentation

double Integral_flow::flow_sum	(	double	x,
		double	y
	)		const

Returns the (interpolated) value of the integral flow at (x, y); i.e., computes the sum of flow in the box with corners at (0, 0) and (x, y).

double kjb::Integral_flow::flow_sum ( const Axis_aligned_rectangle_2d &  box ) const

inline

Returns the sum of flows inside the given box.

size_t kjb::Integral_flow::img_height ( ) const

inline

size_t kjb::Integral_flow::img_width ( ) const

inline

void Integral_flow::write

(

const std::string &

fname

)

---

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

• /work/kobus/src/lib/flow_cpp/flow_integral_flow.h
• /work/kobus/src/lib/flow_cpp/flow_integral_flow.cpp