stira::imagetools::BilinearInterpolator Class Reference

child class for bilinear interpolation Source: http://en.wikipedia.org/wiki/Bilinear_interpolation More...

#include <BilinearInterpolator.h>

Inheritance diagram for stira::imagetools::BilinearInterpolator:

Public Member Functions
	BilinearInterpolator ()
	constructor
virtual	~BilinearInterpolator ()
	destructor
virtual double	Run (ArrayGrid< double > *pGrid, double x, double y)
	Bilinear interpolation. More...
Public Member Functions inherited from stira::imagetools::Interpolator
	Interpolator ()
	constructor
virtual	~Interpolator ()
	destructor

Static Public Member Functions
static double	Run (double x1, double x2, double y1, double y2, double I11, double I12, double I21, double I22, double x, double y)
	Bilinear interpolation. More...

Detailed Description

child class for bilinear interpolation Source: http://en.wikipedia.org/wiki/Bilinear_interpolation

Member Function Documentation

double stira::imagetools::BilinearInterpolator::Run ( ArrayGrid< double > *  pGrid, double  x, double  y  )

virtual

Bilinear interpolation.

Parameters

pGrid	grid in which to interpolate
x	x coordinate of point to be interpolated
y	y coordinate of point to be interpolated

Implements stira::imagetools::Interpolator.

References stira::imagedata::ArrayGrid< T >::GetValue().

Referenced by stira::contrastenhance::AdaptiveHistogramEqualizer::Run().

double stira::imagetools::BilinearInterpolator::Run ( double  x1, double  x2, double  y1, double  y2, double  I11, double  I12, double  I21, double  I22, double  x, double  y  )

static

Bilinear interpolation.

x1 x x2 +-----—+---------—+---------------------—+--—> | | | | | | | (x1,y1) (x1,y1) y1 +– I11 +---------—+---------------------—+ I21 | | | | | | | | y +— +---------—+---------------------—+

		(x,y)

y2 +— I12 +---------—+---------------------—+ I22 | (x1,y2) (x2,y2) | V

Parameters

x1	x coordinate of top left corner (minimum x coordinate)
x2	x coordinate of bottom right corner (maximum x coordinate)
y1	y coordinate of top left corner (minimum y coordinate)
y2	y coordinate of bottom right corner (maximum y coordinate)
I11	(intensity) value at point (x1,y1)
I12	(intensity) value at point (x1,y2)
I21	(intensity) value at point (x2,y1)
I22	(intensity) value at point (x2,y2)
x	x coordinate of point to be interpolated
y	y coordinate of point to be interpolated

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

• imagetools/interpolation/BilinearInterpolator.h
• imagetools/interpolation/BilinearInterpolator.cpp