Tie-points locator SURF strategy. More...

#include <TiePointsLocatorSURFStrategy.h>

Inheritance diagram for te::rp::TiePointsLocatorSURFStrategy:

Classes
class	ExecuteMatchingByEuclideanDistThreadEntryParams
	The parameters passed to the executeMatchingByEuclideanDistThreadEntry method. More...

class	Parameters
	TiePointsLocator SURF strategy parameters. More...

class	SurfLocatorThreadParams
	The parameters passed to the surfLocatorThreadEntry method. More...

Public Member Functions
void	getDefaultSpecStrategyParams (std::auto_ptr< TiePointsLocatorStrategyParameters > &defaultSpecParamsPtr) const
	Returns a sub-sampled version of the given locator strategy specific input parameters. More...

void	getSubSampledSpecStrategyParams (const double subSampleOptimizationRescaleFactor, const TiePointsLocatorStrategyParameters &inputSpecParams, std::auto_ptr< TiePointsLocatorStrategyParameters > &subSampledSpecParamsPtr) const
	Returns a sub-sampled version of the given locator strategy specific input parameters. More...

	~TiePointsLocatorSURFStrategy ()

Protected Types
typedef te::rp::Matrix< double >	DoublesMatrix
	A matrix do store double values. More...

typedef te::rp::Matrix< float >	FloatsMatrix
	A matrix do store float values. More...

typedef std::list< InterestPointT >	InterestPointsListT

typedef std::multiset< InterestPointT >	InterestPointsSetT

typedef std::multiset< MatchedInterestPointsT >	MatchedInterestPointsSetT

typedef te::rp::Matrix< unsigned char >	UCharsMatrix
	A matrix do store unsigned char values. More...

Protected Member Functions
bool	executeMatchingByEuclideanDist (const FloatsMatrix &featuresSet1, const FloatsMatrix &featuresSet2, const InterestPointsSetT &interestPointsSet1, const InterestPointsSetT &interestPointsSet2, te::gm::GeometricTransformation const *const raster1ToRaster2TransfPtr, const double raster1ToRaster2TransfDMapError, MatchedInterestPointsSetT &matchedPoints) const
	Match each feature using eucliean distance. More...

unsigned int	getAutoMaxTiePointsNumber () const
	Returns a automatically calculated optimum maximum amount tie-points following the current parameters. More...

bool	getMatchedInterestPoints (te::gm::GeometricTransformation const *const raster1ToRaster2TransfPtr, const double raster1ToRaster2TransfDMapError, MatchedInterestPointsSetT &matchedInterestPoints)
	Try to find matched interest points. More...

bool	initialize (const te::rp::TiePointsLocatorInputParameters &inputParameters)
	Initialize the strategy. More...

bool	locateSurfInterestPoints (const unsigned int maxInterestPoints, const FloatsMatrix &integralRasterData, UCharsMatrix const *maskRasterDataPtr, InterestPointsSetT &interestPoints) const
	SURF interest points locator. More...

void	reset ()
	Clear all internal allocated resources and go back to the initial not-initialized state. More...

	TiePointsLocatorSURFStrategy ()

Static Protected Member Functions
static bool	checkForDuplicatedInterestPoints (const InterestPointsSetT &interestPoints, double &x, double &y)
	Check for duplicated interest points. More...

static bool	createIntegralImage (const FloatsMatrix &inputData, FloatsMatrix &outputData)
	Create an integral image. More...

static void	createTifFromMatrix (const FloatsMatrix &rasterData, const InterestPointsSetT &interestPoints, const std::string &tifFileName)
	Moravec interest points locator. More...

static void	executeMatchingByEuclideanDistThreadEntry (ExecuteMatchingByEuclideanDistThreadEntryParams *paramsPtr)
	Correlation/Euclidean match thread entry. More...

static void	features2Tiff (const DoublesMatrix &features, const InterestPointsSetT &interestPoints, const std::string &fileNameBeginning)
	Save the generated features to tif files. More...

static bool	generateSurfFeatures (const InterestPointsSetT &interestPoints, const FloatsMatrix &integralRasterData, InterestPointsSetT &validInterestPoints, FloatsMatrix &features)
	Generate a Surf features matrix for the given interes points. More...

template<typename BufferType >
static float	getHaarXVectorIntensity (BufferType &buffer, const unsigned int &centerX, const unsigned int &centerY, const unsigned int &radius)
	Return a Haar X intesity vector for the window centered at the given point. More...

template<typename BufferType >
static float	getHaarYVectorIntensity (BufferType &buffer, const unsigned int &centerX, const unsigned int &centerY, const unsigned int &radius)
	Return a Haar Y intesity vector for the window centered at the given point. More...

template<typename BufferType >
static float	getIntegralBoxSum (BufferType &buffer, const unsigned int &upperLeftX, const unsigned int &upperLeftY, const unsigned int &lowerRightX, const unsigned int &lowerRightY)
	Return a sum of all pixels inside a box over the given integral image buffer. More...

static float	getSurfDxxDerivative (float **bufferPtr, const unsigned int &centerX, const unsigned int &centerY, const unsigned int &lobeWidth, const unsigned int &lobeRadius)
	Return a SURF box filter Dyy derivative centered over the given position from the given integral image buffer. More...

static float	getSurfDxyDerivative (float **bufferPtr, const unsigned int &centerX, const unsigned int &centerY, const unsigned int &lobeWidth)
	Return a SURF box filter Dxy derivative centered over the given position from the given integral image buffer. More...

static float	getSurfDyyDerivative (float **bufferPtr, const unsigned int &centerX, const unsigned int &centerY, const unsigned int &lobeWidth, const unsigned int &lobeRadius)
	Return a SURF box filter Dxx derivative centered over the given position from the given integral image buffer. More...

static unsigned int	getSurfFilterSize (const unsigned int &octaveIndex, const unsigned int &scaleIndex)
	Return the surf octave filter size (width). More...

static unsigned int	getSurfOctaveBaseFilterSize (const unsigned int &octaveIndex)
	Return the surf octave base filter size (width). More...

static unsigned int	getSurfOctaveFilterStepSize (const unsigned int &octaveIndex)
	Return the surf octave filter step size (width). More...

static bool	loadRasterData (te::rst::Raster const rasterPtr, const std::vector< unsigned int > &rasterBands, te::rst::Raster const maskRasterPtr, const unsigned int maskRasterBand, const unsigned int rasterTargetAreaLineStart, const unsigned int rasterTargetAreaColStart, const unsigned int rasterTargetAreaWidth, const unsigned int rasterTargetAreaHeight, const double desiredRescaleFactorX, const double desiredRescaleFactorY, const te::rst::Interpolator::Method rasterInterpMethod, const unsigned char maxMemPercentUsage, std::vector< boost::shared_ptr< FloatsMatrix > > &loadedRasterData, UCharsMatrix &loadedMaskRasterData, double &achievedRescaleFactorX, double &achievedRescaleFactorY)
	Load rasters data (normalized between 0 and 1). More...

static void	locateSurfInterestPointsThreadEntry (SurfLocatorThreadParams *paramsPtr)
	Surf locator thread entry. More...

template<typename BufferElementT >
static void	roolUpBuffer (BufferElementT **bufferPtr, const unsigned int &bufferLinesNumber)
	RoolUp a buffer of lines. More...

Protected Attributes
te::rp::TiePointsLocatorInputParameters	m_inputParameters
	Input parameters. More...

bool	m_isInitialized
	true if this instance is initialized. More...

Friends
class	TiePointsLocatorSURFStrategyFactory

Detailed Description

Tie-points locator SURF strategy.

Definition at line 44 of file TiePointsLocatorSURFStrategy.h.

Member Typedef Documentation

te::rp::TiePointsLocatorStrategy::DoublesMatrix

protectedinherited

A matrix do store double values.

Definition at line 92 of file TiePointsLocatorStrategy.h.

te::rp::TiePointsLocatorStrategy::FloatsMatrix

protectedinherited

A matrix do store float values.

Definition at line 86 of file TiePointsLocatorStrategy.h.

typedef std::list< InterestPointT > te::rp::TiePointsLocatorStrategy::InterestPointsListT

protectedinherited

Interest points list container type

Definition at line 149 of file TiePointsLocatorStrategy.h.

typedef std::multiset< InterestPointT > te::rp::TiePointsLocatorStrategy::InterestPointsSetT

protectedinherited

Interest points set container type

Definition at line 145 of file TiePointsLocatorStrategy.h.

typedef std::multiset< MatchedInterestPointsT > te::rp::TiePointsLocatorStrategy::MatchedInterestPointsSetT

protectedinherited

Matched interest points container type

Definition at line 192 of file TiePointsLocatorStrategy.h.

te::rp::TiePointsLocatorStrategy::UCharsMatrix

protectedinherited

A matrix do store unsigned char values.

Definition at line 98 of file TiePointsLocatorStrategy.h.

Constructor & Destructor Documentation

te::rp::TiePointsLocatorSURFStrategy::~TiePointsLocatorSURFStrategy ( )

te::rp::TiePointsLocatorSURFStrategy::TiePointsLocatorSURFStrategy ( )

protected

Member Function Documentation

static bool te::rp::TiePointsLocatorStrategy::checkForDuplicatedInterestPoints	(	const InterestPointsSetT &	interestPoints,
		double &	x,
		double &	y
	)

staticprotectedinherited

Check for duplicated interest points.

Parameters

x	The duplicated tie-points X coord.
y	The duplicated tie-points Y coord.

Returns: false if duplicated interest points were found.

static bool te::rp::TiePointsLocatorSURFStrategy::createIntegralImage	(	const FloatsMatrix &	inputData,
		FloatsMatrix &	outputData
	)

staticprotected

Create an integral image.

Parameters

inputData	The input data.
outputData	The output data.

Note: The entry of an integral image IΣ(x) at a location x = (x, y) represents the sum of all pixels in the input image I of a rectangular region formed by the point x and the origi.

Returns: true if ok, false on errors.

static void te::rp::TiePointsLocatorStrategy::createTifFromMatrix	(	const FloatsMatrix &	rasterData,
		const InterestPointsSetT &	interestPoints,
		const std::string &	tifFileName
	)

staticprotectedinherited

Moravec interest points locator.

Parameters

rasterData	The loaded raster data.
interestPoints	The found raster 1 interest points (coords related to rasterData lines/cols).
tifFileName	Tif file name.

bool te::rp::TiePointsLocatorSURFStrategy::executeMatchingByEuclideanDist	(	const FloatsMatrix &	featuresSet1,
		const FloatsMatrix &	featuresSet2,
		const InterestPointsSetT &	interestPointsSet1,
		const InterestPointsSetT &	interestPointsSet2,
		te::gm::GeometricTransformation const *const	raster1ToRaster2TransfPtr,
		const double	raster1ToRaster2TransfDMapError,
		MatchedInterestPointsSetT &	matchedPoints
	)		const

protected

Match each feature using eucliean distance.

Parameters

featuresSet1	Features set 1.
featuresSet2	Features set 2.
interestPointsSet1	The interest pionts set 1 (full raster 1 indexed coods reference)..
interestPointsSet2	The interest pionts set 2 (full raster 1 indexed coods reference)..
raster1ToRaster2TransfPtr	A pointer to a transformation direct mapping raster 1 indexed coords into raster 2 indexed coords, of an empty pointer if there is no transformation avaliable.
raster1ToRaster2TransfDMapError	The expected transformation error.
matchedPoints	The matched points.

Note: Each matched point feature value ( MatchedInterestPoint::m_feature ) will be set to the distance value between both features.

static void te::rp::TiePointsLocatorSURFStrategy::executeMatchingByEuclideanDistThreadEntry ( ExecuteMatchingByEuclideanDistThreadEntryParams * paramsPtr )

staticprotected

Correlation/Euclidean match thread entry.

Parameters

paramsPtr A pointer to the thread parameters.

static void te::rp::TiePointsLocatorStrategy::features2Tiff	(	const DoublesMatrix &	features,
		const InterestPointsSetT &	interestPoints,
		const std::string &	fileNameBeginning
	)

staticprotectedinherited

Save the generated features to tif files.

Parameters

features	The features to be saved.
validInteresPoints	The interest pionts related to each feature inside the features matrix.
fileNameStart	The output file name beginning.

static bool te::rp::TiePointsLocatorSURFStrategy::generateSurfFeatures	(	const InterestPointsSetT &	interestPoints,
		const FloatsMatrix &	integralRasterData,
		InterestPointsSetT &	validInterestPoints,
		FloatsMatrix &	features
	)

staticprotected

Generate a Surf features matrix for the given interes points.

Parameters

interestPoints	The interest points (coords related to rasterData lines/cols).
integralRasterData	The integral raster data.
validInterestPoints	The valid interest points.
features	The generated features matrix (one feature per line, one feature per interest point).

Returns: true if ok, false on errors.

unsigned int te::rp::TiePointsLocatorSURFStrategy::getAutoMaxTiePointsNumber ( ) const

protectedvirtual

Returns a automatically calculated optimum maximum amount tie-points following the current parameters.

Returns: Returns a automatically calculated optimum maximum amount tie-points following the current parameters.

Implements te::rp::TiePointsLocatorStrategy.

void te::rp::TiePointsLocatorSURFStrategy::getDefaultSpecStrategyParams ( std::auto_ptr< TiePointsLocatorStrategyParameters > & defaultSpecParamsPtr ) const

virtual

Returns a sub-sampled version of the given locator strategy specific input parameters.

Parameters

subSampleOptimizationRescaleFactor	Sub-sampled optimization tie-points search rescale factor.
inputSpecParams	Input parameters (sub-sample factor 1).
subSampledSpecParams	Sub-sampled parameters.

Implements te::rp::TiePointsLocatorStrategy.

template<typename BufferType >

static float te::rp::TiePointsLocatorSURFStrategy::getHaarXVectorIntensity	(	BufferType &	buffer,
		const unsigned int &	centerX,
		const unsigned int &	centerY,
		const unsigned int &	radius
	)

inlinestaticprotected

Return a Haar X intesity vector for the window centered at the given point.

Parameters

buffer	Integral image buffer.
centerX	Center X.
centerY	Center Y.
radius	Window radius.

Definition at line 435 of file TiePointsLocatorSURFStrategy.h.

template<typename BufferType >

static float te::rp::TiePointsLocatorSURFStrategy::getHaarYVectorIntensity	(	BufferType &	buffer,
		const unsigned int &	centerX,
		const unsigned int &	centerY,
		const unsigned int &	radius
	)

inlinestaticprotected

Return a Haar Y intesity vector for the window centered at the given point.

Parameters

buffer	Integral image buffer.
centerX	Center X.
centerY	Center Y.
radius	Window radius.

Definition at line 467 of file TiePointsLocatorSURFStrategy.h.

template<typename BufferType >

static float te::rp::TiePointsLocatorSURFStrategy::getIntegralBoxSum	(	BufferType &	buffer,
		const unsigned int &	upperLeftX,
		const unsigned int &	upperLeftY,
		const unsigned int &	lowerRightX,
		const unsigned int &	lowerRightY
	)

inlinestaticprotected

Return a sum of all pixels inside a box over the given integral image buffer.

Parameters

bufferPtr	Buffer pointer.
upperLeftX	Box upper left X.
upperLeftY	Box upper left Y.
lowerRightX	Box lower right X.
lowerRightY	Box lower right X.

Definition at line 298 of file TiePointsLocatorSURFStrategy.h.

bool te::rp::TiePointsLocatorSURFStrategy::getMatchedInterestPoints	(	te::gm::GeometricTransformation const *const	raster1ToRaster2TransfPtr,
		const double	raster1ToRaster2TransfDMapError,
		MatchedInterestPointsSetT &	matchedInterestPoints
	)

protectedvirtual

Try to find matched interest points.

Parameters

matchedInterestPoints	The matched interest points.
raster1ToRaster2TransfPtr	A pointer to a transformation (estimation) direct mapping raster 1 indexed coords into raster 2 indexed coords, of an empty pointer if there is no transformation avaliable.
raster1ToRaster2TransfDMapError	The expected transformation error.

Returns: true if OK, false on errors.

Implements te::rp::TiePointsLocatorStrategy.

void te::rp::TiePointsLocatorSURFStrategy::getSubSampledSpecStrategyParams	(	const double	subSampleOptimizationRescaleFactor,
		const TiePointsLocatorStrategyParameters &	inputSpecParams,
		std::auto_ptr< TiePointsLocatorStrategyParameters > &	subSampledSpecParamsPtr
	)		const

virtual

Returns a sub-sampled version of the given locator strategy specific input parameters.

Parameters

subSampleOptimizationRescaleFactor	Sub-sampled optimization tie-points search rescale factor.
inputSpecParams	Input parameters (sub-sample factor 1).
subSampledSpecParamsPtr	Sub-sampled parameters.

Implements te::rp::TiePointsLocatorStrategy.

static float te::rp::TiePointsLocatorSURFStrategy::getSurfDxxDerivative	(	float **	bufferPtr,
		const unsigned int &	centerX,
		const unsigned int &	centerY,
		const unsigned int &	lobeWidth,
		const unsigned int &	lobeRadius
	)

inlinestaticprotected

Return a SURF box filter Dyy derivative centered over the given position from the given integral image buffer.

Parameters

bufferPtr	Buffer pointer.
centerX	Center X.
centerY	Center Y.
lobeWidth	Filter lobe width.
lobeRadius	Filter lobe radius.

Definition at line 354 of file TiePointsLocatorSURFStrategy.h.

static float te::rp::TiePointsLocatorSURFStrategy::getSurfDxyDerivative	(	float **	bufferPtr,
		const unsigned int &	centerX,
		const unsigned int &	centerY,
		const unsigned int &	lobeWidth
	)

inlinestaticprotected

Return a SURF box filter Dxy derivative centered over the given position from the given integral image buffer.

Parameters

bufferPtr	Buffer pointer.
centerX	Center X.
centerY	Center Y.
lobeWidth	Filter lobe width.

Definition at line 385 of file TiePointsLocatorSURFStrategy.h.

static float te::rp::TiePointsLocatorSURFStrategy::getSurfDyyDerivative	(	float **	bufferPtr,
		const unsigned int &	centerX,
		const unsigned int &	centerY,
		const unsigned int &	lobeWidth,
		const unsigned int &	lobeRadius
	)

inlinestaticprotected

Return a SURF box filter Dxx derivative centered over the given position from the given integral image buffer.

Parameters

bufferPtr	Buffer pointer.
centerX	Center X.
centerY	Center Y.
lobeWidth	Filter lobe width.
lobeRadius	Filter lobe radius.

Definition at line 321 of file TiePointsLocatorSURFStrategy.h.

static unsigned int te::rp::TiePointsLocatorSURFStrategy::getSurfFilterSize	(	const unsigned int &	octaveIndex,
		const unsigned int &	scaleIndex
	)

inlinestaticprotected

Return the surf octave filter size (width).

Parameters

octaveIndex	Octave index (starting from zero).
scaleIndex	Scale index (starting from zero).

Definition at line 514 of file TiePointsLocatorSURFStrategy.h.

static unsigned int te::rp::TiePointsLocatorSURFStrategy::getSurfOctaveBaseFilterSize ( const unsigned int & octaveIndex )

inlinestaticprotected

Return the surf octave base filter size (width).

Parameters

octaveIndex Octave index (starting from zero).

Definition at line 502 of file TiePointsLocatorSURFStrategy.h.

static unsigned int te::rp::TiePointsLocatorSURFStrategy::getSurfOctaveFilterStepSize ( const unsigned int & octaveIndex )

inlinestaticprotected

Return the surf octave filter step size (width).

Parameters

octaveIndex Octave index (starting from zero).

Definition at line 492 of file TiePointsLocatorSURFStrategy.h.

bool te::rp::TiePointsLocatorSURFStrategy::initialize ( const te::rp::TiePointsLocatorInputParameters & inputParameters )

protectedvirtual

Initialize the strategy.

Parameters

inputParameters Input parameters.

Returns: true if OK, false on errors.

Implements te::rp::TiePointsLocatorStrategy.

static bool te::rp::TiePointsLocatorStrategy::loadRasterData	(	te::rst::Raster const *	rasterPtr,
		const std::vector< unsigned int > &	rasterBands,
		te::rst::Raster const *	maskRasterPtr,
		const unsigned int	maskRasterBand,
		const unsigned int	rasterTargetAreaLineStart,
		const unsigned int	rasterTargetAreaColStart,
		const unsigned int	rasterTargetAreaWidth,
		const unsigned int	rasterTargetAreaHeight,
		const double	desiredRescaleFactorX,
		const double	desiredRescaleFactorY,
		const te::rst::Interpolator::Method	rasterInterpMethod,
		const unsigned char	maxMemPercentUsage,
		std::vector< boost::shared_ptr< FloatsMatrix > > &	loadedRasterData,
		UCharsMatrix &	loadedMaskRasterData,
		double &	achievedRescaleFactorX,
		double &	achievedRescaleFactorY
	)

staticprotectedinherited

Load rasters data (normalized between 0 and 1).

Parameters

rasterPtr	Input raster pointer.
rasterBands	Input raster bands.
maskRasterPtr	The related input mask raster pointer (or zero, if no mask raster is avaliable).
maskRasterBand	The input mask raster band to use.
rasterTargetAreaLineStart	The raster target area initial line.
rasterTargetAreaColStart	The raster target area initial column.
rasterTargetAreaWidth	The raster target area width.
rasterTargetAreaHeight	The raster target area height.
desiredRescaleFactorX	The desired Scale factor to be applied on the loaded data.
desiredRescaleFactorY	The desired Scale factor to be applied on the loaded data.
rasterInterpMethod	The interpolation used when loading the input raster.
maxMemPercentUsage	The maximum amount (percent) of memory to use for the loaded data [0,100].
loadedRasterData	The loaded raster data.
loadedMaskRasterData	The loaded mask raster data.
desiredRescaleFactorX	The real achieved Scale factor.
desiredRescaleFactorY	The real achieved Scale factor.

Returns: true if ok, false on errors.

bool te::rp::TiePointsLocatorSURFStrategy::locateSurfInterestPoints	(	const unsigned int	maxInterestPoints,
		const FloatsMatrix &	integralRasterData,
		UCharsMatrix const *	maskRasterDataPtr,
		InterestPointsSetT &	interestPoints
	)		const

protected

SURF interest points locator.

Parameters

maxInterestPoints	The maximum number of interest points to find.
integralRasterData	Integral image raster data.
maskRasterDataPtr	The loaded mask raster data pointer (or zero if no mask is avaliable).
interestPoints	The found interest points (coords related to rasterData lines/cols).

Returns: true if ok, false on errors.

Note: InterestPointT::m_feature1 will be sum of differences between the hessian matrix determinant each pixel and its neighborhoods (always a positive value).; InterestPointT::m_feature2 will be used filter width (pixels).; InterestPointT::m_feature3 will 1 if the laplacian sign is positive, or zero if negative.

static void te::rp::TiePointsLocatorSURFStrategy::locateSurfInterestPointsThreadEntry ( SurfLocatorThreadParams * paramsPtr )

staticprotected

Surf locator thread entry.

Parameters

paramsPtr A pointer to the thread parameters.

void te::rp::TiePointsLocatorSURFStrategy::reset ( )

protectedvirtual

Clear all internal allocated resources and go back to the initial not-initialized state.

Implements te::rp::TiePointsLocatorStrategy.

template<typename BufferElementT >

static void te::rp::TiePointsLocatorStrategy::roolUpBuffer	(	BufferElementT **	bufferPtr,
		const unsigned int &	bufferLinesNumber
	)

inlinestaticprotectedinherited

RoolUp a buffer of lines.

Parameters

bufferPtr	Buffer pointer.
bufferLinesNumber	Buffer lines number.

Definition at line 290 of file TiePointsLocatorStrategy.h.

Friends And Related Function Documentation

friend class TiePointsLocatorSURFStrategyFactory

friend

Definition at line 46 of file TiePointsLocatorSURFStrategy.h.

Member Data Documentation

te::rp::TiePointsLocatorInputParameters te::rp::TiePointsLocatorSURFStrategy::m_inputParameters

protected

Input parameters.

Definition at line 162 of file TiePointsLocatorSURFStrategy.h.

bool te::rp::TiePointsLocatorSURFStrategy::m_isInitialized

protected

true if this instance is initialized.

Definition at line 160 of file TiePointsLocatorSURFStrategy.h.

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

/home/castejon/castejon_files/develop/terralib5/git_master/src/terralib/rp/TiePointsLocatorSURFStrategy.h

Classes

Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Friends

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation