lti::edgeDetector Class Reference

Parent abstract class for all edge detectors. More...

#include <ltiEdgeDetector.h>

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List of all members.

Classes
class	parameters
	the parameters for the class edgeDetector More...
Public Member Functions
	edgeDetector ()
	edgeDetector (const edgeDetector &other)
virtual	~edgeDetector ()
virtual const char *	getTypeName () const
virtual bool	apply (channel8 &srcdest) const
virtual bool	apply (channel &srcdest) const
virtual bool	apply (const channel8 &src, channel8 &dest) const
virtual bool	apply (const channel &src, channel &dest) const
virtual bool	apply (const channel &src, channel8 &dest) const
virtual bool	apply (image &srcdest) const
virtual bool	apply (const image &src, image &dest) const
virtual bool	apply (const image &src, channel8 &dest) const
edgeDetector &	copy (const edgeDetector &other)
edgeDetector &	operator= (const edgeDetector &other)
virtual functor *	clone () const =0
const parameters &	getParameters () const

---

Detailed Description

Parent abstract class for all edge detectors.

An edge detector finds the edges in an gray-valued image. The definition of "edge" is usually related to an abrupt change in the intensity value of pixels.

The result will be usually a channel8 containing only the two values specified in the parameter to denote edge and no-edge.

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Constructor & Destructor Documentation

lti::edgeDetector::edgeDetector

(

)

default constructor

lti::edgeDetector::edgeDetector

(

const edgeDetector &

other

)

copy constructor

Parameters:

other

the object to be copied

virtual lti::edgeDetector::~edgeDetector

(

)

[virtual]

destructor

---

Member Function Documentation

virtual bool lti::edgeDetector::apply	(	const image &	src,
		channel8 &	dest
	)			const [virtual]

Compute the edges for the red, green and blue components of the image and leave the sum of the results in the given channel.

Note that if you give as parameters::edgeValue or parameters::noEdgeValue values greater than 255/3, you can have some overflow effects on the resulting channel.

Parameters:

	src	image with the source data.
	dest	channel8 where the result will be left.

Returns:

true if apply successful or false otherwise.

Reimplemented in lti::cannyEdges, lti::colorEdgesGS, and lti::susanEdges.

virtual bool lti::edgeDetector::apply	(	const image &	src,
		image &	dest
	)			const [virtual]

Compute the edges for the red, green and blue components of the image and leave the result in each channel of the destination image.

Parameters:

	src	image with the source data.
	dest	image where the result will be left.

Returns:

true if apply successful or false otherwise.

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::colorEdgesGS, and lti::susanEdges.

virtual bool lti::edgeDetector::apply

(

image &

srcdest

)

const [virtual]

Compute the edges for the red, green and blue components of the image and leave the result in each channel of image.

Parameters:

srcdest

image with the source data. The result will be left here too.

Returns:

true if apply successful or false otherwise.

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::colorEdgesGS, and lti::susanEdges.

virtual bool lti::edgeDetector::apply	(	const channel &	src,
		channel8 &	dest
	)			const [virtual]

operates on a copy of the given parameters.

Parameters:

	src	channel with the source data.
	dest	channel8 where the result will be left.

Returns:

true if apply successful or false otherwise.

Reimplemented in lti::cannyEdges, lti::classicEdgeDetector, lti::colorEdgesGS, and lti::susanEdges.

virtual bool lti::edgeDetector::apply	(	const channel &	src,
		channel &	dest
	)			const [virtual]

operates on a copy of the given parameters.

Parameters:

	src	channel with the source data.
	dest	channel where the result will be left.

Returns:

true if apply successful or false otherwise.

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::colorEdgesGS, and lti::susanEdges.

virtual bool lti::edgeDetector::apply	(	const channel8 &	src,
		channel8 &	dest
	)			const [virtual]

operates on a copy of the given parameters.

Parameters:

	src	channel8 with the source data.
	dest	channel8 where the result will be left.

Returns:

true if apply successful or false otherwise.

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::colorEdgesGS, and lti::susanEdges.

virtual bool lti::edgeDetector::apply

(

channel &

srcdest

)

const [virtual]

operates on the given parameter.

Parameters:

srcdest

channel with the source data. The result will be left here too.

Returns:

true if apply successful or false otherwise.

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::colorEdgesGS, and lti::susanEdges.

virtual bool lti::edgeDetector::apply

(

channel8 &

srcdest

)

const [virtual]

operates on the given parameter.

Parameters:

srcdest

channel8 with the source data. The result will be left here too.

Returns:

true if apply successful or false otherwise.

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::classicEdgeDetector, lti::colorEdgesGS, and lti::susanEdges.

virtual functor* lti::edgeDetector::clone

(

)

const [pure virtual]

returns a pointer to a clone of this functor.

Implements lti::functor.

Implemented in lti::cannyEdges, lti::classicEdgeDetector, lti::colorEdgesGS, and lti::susanEdges.

edgeDetector& lti::edgeDetector::copy

(

const edgeDetector &

other

)

copy data of "other" functor.

Parameters:

other

the functor to be copied

Returns:

a reference to this functor object

Reimplemented from lti::functor.

Reimplemented in lti::cannyEdges, lti::classicEdgeDetector, and lti::colorEdgesGS.

const parameters& lti::edgeDetector::getParameters

(

)

const

returns used parameters

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::classicEdgeDetector, lti::colorEdgesGS, and lti::susanEdges.

virtual const char* lti::edgeDetector::getTypeName

(

)

const [virtual]

returns the name of this type ("edgeDetector")

Reimplemented from lti::modifier.

Reimplemented in lti::cannyEdges, lti::classicEdgeDetector, lti::colorEdgesGS, and lti::susanEdges.

edgeDetector& lti::edgeDetector::operator=

(

const edgeDetector &

other

)

alias for copy member

Parameters:

other

the functor to be copied

Returns:

a reference to this functor object

Reimplemented from lti::functor.

Reimplemented in lti::cannyEdges, lti::classicEdgeDetector, and lti::colorEdgesGS.

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

• ltiEdgeDetector.h