#include <Contrast.h>

Inheritance diagram for te::rp::Contrast:

Classes
class	InputParameters
	Contrast input parameters. More...

class	OutputParameters
	Contrast output parameters. More...

Public Member Functions
	Contrast ()

bool	execute (AlgorithmOutputParameters &outputParams) throw ( te::rp::Exception )
	Executes the algorithm using the supplied parameters. More...

bool	initialize (const AlgorithmInputParameters &inputParams) throw ( te::rp::Exception )
	Initialize the algorithm instance making it ready for execution. More...

bool	isInitialized () const
	Returns true if the algorithm instance is initialized and ready for execution. More...

void	reset () throw ( te::rp::Exception )
	Clear all internal allocated objects and reset the algorithm to its initial state. More...

	~Contrast ()

Static Public Member Functions
static bool	getGainAndOffset (const InputParameters::ContrastType &type, const double &inRangeMin, const double &inRangeMax, const double &outRangeMin, const double &outRangeMax, double &gain, double &offset1, double &offset2)
	Returns gain and offset values for contrast types (when applicable). More...

Protected Types
typedef void(Contrast::*	RemapFuncPtrT) (const double &inValue, double &outValue)
	Type definition for a remapping function pointer. More...

Protected Member Functions
void	DecorrelationEnhancementRemap (const double &inValue, double &outValue)
	Remap on gray level using two offsets and gain. More...

bool	execDecorrelationEnhancement ()
	Execute the decorrelation enhancement contrast following the internal parameters. More...

bool	execHistogramEqualizationContrast ()
	Execute the histogram equalization contrast following the internal parameters. More...

bool	execLinearContrast ()
	Execute a linear contrast following the internal parameters. More...

bool	execLogContrast ()
	Execute a log contrast following the internal parameters. More...

bool	execSetMeanAndStdContrast ()
	Execute the histogram equalization contrast following the internal parameters. More...

bool	execSquareContrast ()
	Execute a square contrast following the internal parameters. More...

bool	execSquareRootContrast ()
	Execute a square root contrast following the internal parameters. More...

void	histogramEqualizationRemap (const double &inValue, double &outValue)
	Remap on gray level using two offsets and gain. More...

void	logRemap (const double &inValue, double &outValue)
	Remap on gray level using a log. More...

void	offSetGainRemap (const double &inValue, double &outValue)
	Remap on gray level using an offset and gain. More...

bool	remapBandLevels (const te::rst::Band &inRasterBand, te::rst::Band &outRasterBand, RemapFuncPtrT remapFuncPtr, const bool enableProgress)
	Band gray levels remap using a remap function. More...

void	squareRemap (const double &inValue, double &outValue)
	Remap on gray level using a square. More...

void	squareRootRemap (const double &inValue, double &outValue)
	Remap on gray level using a square root. More...

Protected Attributes
double	m_decorrelationEnhancementRemap_gain

double	m_decorrelationEnhancementRemap_offset1

double	m_decorrelationEnhancementRemap_offset2

std::map< double, double >	m_histogramEqualizationRemap_cdf

double	m_histogramEqualizationRemap_cDFMin

double	m_histogramEqualizationRemap_gain

Contrast::InputParameters	m_inputParameters
	Contrast input execution parameters. More...

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

double	m_logRemap_gain

double	m_logRemap_offset

double	m_offSetGainRemap_gain

double	m_offSetGainRemap_offset1

double	m_offSetGainRemap_offset2

Contrast::OutputParameters *	m_outputParametersPtr
	Contrast input execution parameters. More...

double	m_squareRemap_gain

double	m_squareRootRemap_gain

Detailed Description

Contrast enhancement.

Apply contrast enhencement on the selected bands.

Definition at line 57 of file Contrast.h.

Member Typedef Documentation

typedef void(Contrast::* te::rp::Contrast::RemapFuncPtrT) (const double &inValue, double &outValue)

protected

Type definition for a remapping function pointer.

Definition at line 254 of file Contrast.h.

Constructor & Destructor Documentation

te::rp::Contrast::Contrast ( )

te::rp::Contrast::~Contrast ( )

Member Function Documentation

void te::rp::Contrast::DecorrelationEnhancementRemap	(	const double &	inValue,
		double &	outValue
	)

inlineprotected

Remap on gray level using two offsets and gain.

Parameters

inValue	Input gray level.
outValue	Output gray level.

Definition at line 391 of file Contrast.h.

bool te::rp::Contrast::execDecorrelationEnhancement ( )

protected

Execute the decorrelation enhancement contrast following the internal parameters.

Returns: true if OK, false on errors.

bool te::rp::Contrast::execHistogramEqualizationContrast ( )

protected

Execute the histogram equalization contrast following the internal parameters.

Returns: true if OK, false on errors.

bool te::rp::Contrast::execLinearContrast ( )

protected

Execute a linear contrast following the internal parameters.

Returns: true if OK, false on errors.

bool te::rp::Contrast::execLogContrast ( )

protected

Execute a log contrast following the internal parameters.

Returns: true if OK, false on errors.

bool te::rp::Contrast::execSetMeanAndStdContrast ( )

protected

Execute the histogram equalization contrast following the internal parameters.

Returns: true if OK, false on errors.

bool te::rp::Contrast::execSquareContrast ( )

protected

Execute a square contrast following the internal parameters.

Returns: true if OK, false on errors.

bool te::rp::Contrast::execSquareRootContrast ( )

protected

Execute a square root contrast following the internal parameters.

Returns: true if OK, false on errors.

bool te::rp::Contrast::execute	(	AlgorithmOutputParameters &	outputParams	)
throw	(	te::rp::Exception
	)

virtual

Executes the algorithm using the supplied parameters.

Parameters

outputParams Output parameters.

Returns: true if OK, false on errors.

Implements te::rp::Algorithm.

static bool te::rp::Contrast::getGainAndOffset	(	const InputParameters::ContrastType &	type,
		const double &	inRangeMin,
		const double &	inRangeMax,
		const double &	outRangeMin,
		const double &	outRangeMax,
		double &	gain,
		double &	offset1,
		double &	offset2
	)

static

Returns gain and offset values for contrast types (when applicable).

Parameters

inRangeMin	Input values range minimum value.
inRangeMax	Input values range maximum value.
outRangeMin	Output values range minimum value.
outRangeMax	Output values range maximum value.
gain	Calculated gain.
offset1	Calculated offset 1.
offset2	Calculated offset 2.

Returns: true if OK, false on errors.

void te::rp::Contrast::histogramEqualizationRemap	(	const double &	inValue,
		double &	outValue
	)

inlineprotected

Remap on gray level using two offsets and gain.

Parameters

inValue	Input gray level.
outValue	Output gray level.

Definition at line 403 of file Contrast.h.

bool te::rp::Contrast::initialize	(	const AlgorithmInputParameters &	inputParams	)
throw	(	te::rp::Exception
	)

virtual

Initialize the algorithm instance making it ready for execution.

Parameters

inputParams Input parameters.

Returns: true if OK, false on errors.

Note: A return error string can be obtained via te::rp::Module::getLastLogStr()

Implements te::rp::Algorithm.

bool te::rp::Contrast::isInitialized ( ) const

virtual

Returns true if the algorithm instance is initialized and ready for execution.

Returns: true if the algorithm instance is initialized and ready for execution.

Implements te::rp::Algorithm.

void te::rp::Contrast::logRemap	(	const double &	inValue,
		double &	outValue
	)

inlineprotected

Remap on gray level using a log.

Parameters

inValue	Input gray level.
outValue	Output gray level.

Note: outValue = m_logRemap_gain * std::log10( inValue + m_logRemap_offset + 1.0 );

Definition at line 381 of file Contrast.h.

void te::rp::Contrast::offSetGainRemap	(	const double &	inValue,
		double &	outValue
	)

inlineprotected

Remap on gray level using an offset and gain.

Parameters

inValue	Input gray level.
outValue	Output gray level.

Note: outValue = ( ( inValue + m_offSetGainRemap_offset1 ) * m_offSetGainRemap_gain ) + m_offSetGainRemap_offset2

Definition at line 347 of file Contrast.h.

bool te::rp::Contrast::remapBandLevels	(	const te::rst::Band &	inRasterBand,
		te::rst::Band &	outRasterBand,
		RemapFuncPtrT	remapFuncPtr,
		const bool	enableProgress
	)

protected

Band gray levels remap using a remap function.

Parameters

inRasterBand	Input raster band.
outRasterBand	Output raster band.
remapFuncPtr	The remap function pointer used.
enableProgress	Enable the use of a progress interface.

Returns: true if OK, false on errors.

void te::rp::Contrast::reset	(		)
throw	(	te::rp::Exception
	)

virtual

Clear all internal allocated objects and reset the algorithm to its initial state.

Implements te::rp::Algorithm.

void te::rp::Contrast::squareRemap	(	const double &	inValue,
		double &	outValue
	)

inlineprotected

Remap on gray level using a square.

Parameters

inValue	Input gray level.
outValue	Output gray level.

Note: outValue = m_squareRemap_factor * std::pow( inValue, 2.0 )

Definition at line 359 of file Contrast.h.

void te::rp::Contrast::squareRootRemap	(	const double &	inValue,
		double &	outValue
	)

inlineprotected

Remap on gray level using a square root.

Parameters

inValue	Input gray level.
outValue	Output gray level.

Note: outValue = m_squareRootRemap_gain * std::sqrt( inValue );

Definition at line 370 of file Contrast.h.

Member Data Documentation

double te::rp::Contrast::m_decorrelationEnhancementRemap_gain

protected

Definition at line 332 of file Contrast.h.

double te::rp::Contrast::m_decorrelationEnhancementRemap_offset1

protected

Definition at line 333 of file Contrast.h.

double te::rp::Contrast::m_decorrelationEnhancementRemap_offset2

protected

Definition at line 334 of file Contrast.h.

std::map<double, double> te::rp::Contrast::m_histogramEqualizationRemap_cdf

protected

Definition at line 339 of file Contrast.h.

double te::rp::Contrast::m_histogramEqualizationRemap_cDFMin

protected

Definition at line 337 of file Contrast.h.

double te::rp::Contrast::m_histogramEqualizationRemap_gain

protected

Definition at line 338 of file Contrast.h.

Contrast::InputParameters te::rp::Contrast::m_inputParameters

protected

Contrast input execution parameters.

Definition at line 257 of file Contrast.h.

bool te::rp::Contrast::m_isInitialized

protected

Tells if this instance is initialized.

Definition at line 260 of file Contrast.h.

double te::rp::Contrast::m_logRemap_gain

protected

Definition at line 328 of file Contrast.h.

double te::rp::Contrast::m_logRemap_offset

protected

Definition at line 329 of file Contrast.h.

double te::rp::Contrast::m_offSetGainRemap_gain

protected

Definition at line 319 of file Contrast.h.

double te::rp::Contrast::m_offSetGainRemap_offset1

protected

Definition at line 317 of file Contrast.h.

double te::rp::Contrast::m_offSetGainRemap_offset2

protected

Definition at line 318 of file Contrast.h.

Contrast::OutputParameters* te::rp::Contrast::m_outputParametersPtr

protected

Contrast input execution parameters.

Definition at line 258 of file Contrast.h.

double te::rp::Contrast::m_squareRemap_gain

protected

Definition at line 322 of file Contrast.h.

double te::rp::Contrast::m_squareRootRemap_gain

protected

Definition at line 325 of file Contrast.h.

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

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

Classes

Public Member Functions

Static Public Member Functions

Protected Types

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation