Ocean::PinholeCameraT< T >::DistortionLookup Class Reference

This class encapsulates a lookup table for camera distortion offsets allowing for faster un-distortion of image points (which is than an approximated position only). More...

Public Member Functions
	DistortionLookup ()
	Creates an invalid lookup object. More...
	DistortionLookup (const PinholeCameraT< T > &camera, const unsigned int binSize)
	Creates an lookup object for a given camera. More...
VectorT2< T >	undistortedImagePoint (const VectorT2< T > &distortedImagePoint) const
	Returns the undistorted image point for a given (distorted) image point (by application of a bilinear interpolation). More...
VectorT2< T >	undistortionOffset (const VectorT2< T > &distortedImagePoint) const
	Returns the offset that needs to be added to an distorted image point so that it would be undistorted (by application of a bilinear interpolation). More...
VectorT2< T >	undistortedImagePointBicubic (const VectorT2< T > &distortedImagePoint) const
	Returns the undistorted image point for a given (distorted) image point (by application of a bicubic interpolation). More...
VectorT2< T >	undistortionOffsetBicubic (const VectorT2< T > &distortedImagePoint) const
	Returns the offset that needs to be added to an distorted image point so that it would be undistorted (by application of a bicubic interpolation). More...

Protected Types
typedef LookupCenter2< VectorT2< T >, T >	LookupTable
	Definition of a lookup table for 2D vectors. More...

Protected Attributes
LookupTable	distortionLookupTable
	The distortion lookup table. More...

Detailed Description

template<typename T>
class Ocean::PinholeCameraT< T >::DistortionLookup

This class encapsulates a lookup table for camera distortion offsets allowing for faster un-distortion of image points (which is than an approximated position only).

Member Typedef Documentation

LookupTable

template<typename T >

typedef LookupCenter2<VectorT2<T>, T> Ocean::PinholeCameraT< T >::DistortionLookup::LookupTable

protected

Definition of a lookup table for 2D vectors.

Constructor & Destructor Documentation

DistortionLookup() [1/2]

template<typename T >

Ocean::PinholeCameraT< T >::DistortionLookup::DistortionLookup

inline

Creates an invalid lookup object.

DistortionLookup() [2/2]

template<typename T >

Ocean::PinholeCameraT< T >::DistortionLookup::DistortionLookup ( const PinholeCameraT< T > &  camera, const unsigned int  binSize  )

explicit

Creates an lookup object for a given camera.

Parameters

camera	The camera profile for that the lookup table is determined
binSize	The size of the lookup bins for the camera distortion, horizontal and vertical in pixel, with range [1u, min(camera.width(), camera.height())]

Member Function Documentation

undistortedImagePoint()

template<typename T >

VectorT2< T > Ocean::PinholeCameraT< T >::DistortionLookup::undistortedImagePoint ( const VectorT2< T > &  distortedImagePoint ) const

inline

Returns the undistorted image point for a given (distorted) image point (by application of a bilinear interpolation).

Parameters

distortedImagePoint

The distorted image point for that the undistorted image point is returned

Returns

The approximation of the undistorted image point

undistortedImagePointBicubic()

template<typename T >

VectorT2< T > Ocean::PinholeCameraT< T >::DistortionLookup::undistortedImagePointBicubic ( const VectorT2< T > &  distortedImagePoint ) const

inline

Returns the undistorted image point for a given (distorted) image point (by application of a bicubic interpolation).

Parameters

distortedImagePoint

The distorted image point for that the undistorted image point is returned

Returns

The approximation of the undistorted image point

undistortionOffset()

template<typename T >

VectorT2< T > Ocean::PinholeCameraT< T >::DistortionLookup::undistortionOffset ( const VectorT2< T > &  distortedImagePoint ) const

inline

Returns the offset that needs to be added to an distorted image point so that it would be undistorted (by application of a bilinear interpolation).

Parameters

distortedImagePoint

The distorted image point for that the offset is returned

Returns

The approximation of the offset

undistortionOffsetBicubic()

template<typename T >

VectorT2< T > Ocean::PinholeCameraT< T >::DistortionLookup::undistortionOffsetBicubic ( const VectorT2< T > &  distortedImagePoint ) const

inline

Returns the offset that needs to be added to an distorted image point so that it would be undistorted (by application of a bicubic interpolation).

Parameters

distortedImagePoint

The distorted image point for that the offset is returned

Returns

The approximation of the offset

Field Documentation

distortionLookupTable

template<typename T >

LookupTable Ocean::PinholeCameraT< T >::DistortionLookup::distortionLookupTable

protected

The distortion lookup table.

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

• PinholeCamera.h