vpHistogramPeak Class Reference

#include <visp3/core/vpHistogramPeak.h>

Inheritance diagram for vpHistogramPeak:

Public Member Functions
	vpHistogramPeak ()
	vpHistogramPeak (unsigned char level, unsigned value)
	vpHistogramPeak (const vpHistogramPeak &p)
virtual	~vpHistogramPeak ()
vpHistogramPeak &	operator= (const vpHistogramPeak &p)
bool	operator== (const vpHistogramPeak &p) const
void	setLevel (unsigned char lvl)
void	setValue (unsigned val)
void	set (unsigned char lvl, unsigned val)
unsigned char	getLevel () const
unsigned	getValue () const

Protected Attributes
unsigned char	level
unsigned	value

Friends
VISP_EXPORT std::ostream &	operator<< (std::ostream &s, const vpHistogramPeak &p)

Related Functions
(Note that these are not member functions.)
VISP_EXPORT std::ostream &	operator<< (std::ostream &s, const vpHistogramPeak &p)

Detailed Description

Declaration of the peak (maximum value) in a gray level image histogram.

A peak is internally represented as a gray level and a value. The value represents the number of pixels having the gray level.

Examples

histogram.cpp.

Definition at line 60 of file vpHistogramPeak.h.

Constructor & Destructor Documentation

vpHistogramPeak() [1/3]

BEGIN_VISP_NAMESPACE vpHistogramPeak::vpHistogramPeak

(

)

Default constructor for a gray level histogram peak.

Definition at line 49 of file vpHistogramPeak.cpp.

vpHistogramPeak() [2/3]

vpHistogramPeak::vpHistogramPeak	(	unsigned char	lvl,
		unsigned	val
	)

Default constructor for a gray level histogram peak.

Definition at line 54 of file vpHistogramPeak.cpp.

vpHistogramPeak() [3/3]

vpHistogramPeak::vpHistogramPeak

(

const vpHistogramPeak &

p

)

Copy constructor of a gray level histogram peak.

Definition at line 59 of file vpHistogramPeak.cpp.

~vpHistogramPeak()

virtual vpHistogramPeak::~vpHistogramPeak ( )

inlinevirtual

Destructor that does nothing.

Definition at line 68 of file vpHistogramPeak.h.

Member Function Documentation

getLevel()

unsigned char vpHistogramPeak::getLevel ( ) const

inline

Get the peak gray level. The number of pixels having this gray level is available throw getValue().

Returns

Location of the peak or gray level.

See also

getValue()

Examples

histogram.cpp.

Definition at line 121 of file vpHistogramPeak.h.

Referenced by vpHistogram::getPeaks(), and vpHistogram::getValey().

getValue()

unsigned vpHistogramPeak::getValue ( ) const

inline

Get the peak number of pixels having a same gray level. The corresponding gray level is available throw getLevel().

Returns

: Number of pixels having the same location or gray level.

See also

getLevel()

Examples

histogram.cpp.

Definition at line 132 of file vpHistogramPeak.h.

Referenced by vpHistogram::getPeaks(), and vpHistogram::getValey().

operator=()

vpHistogramPeak & vpHistogramPeak::operator=

(

const vpHistogramPeak &

p

)

Copy operator.

Parameters

p	: Histogram peak to copy.

vpHistogramPeak p1(0, 255);
vpHistogramPeak p2 = p1; // Peak p2 is set to 0, 255

Definition at line 71 of file vpHistogramPeak.cpp.

References level, setLevel(), setValue(), and value.

operator==()

bool vpHistogramPeak::operator==

(

const vpHistogramPeak &

p

)

const

Comparison operator.

Parameters

p	: Gray level histogram peak to compar.

Definition at line 86 of file vpHistogramPeak.cpp.

References level, and value.

set()

void vpHistogramPeak::set ( unsigned char  lvl, unsigned  val  )

inline

Set the peak gray level and number of pixels at this gray level.

Parameters

lvl	: Location of the peak or gray level.
val	: Number of pixels having the same location or gray level.

See also

setLevel(), setValue()

Definition at line 105 of file vpHistogramPeak.h.

Referenced by vpHistogram::getPeaks(), and vpHistogram::getValey().

setLevel()

void vpHistogramPeak::setLevel ( unsigned char  lvl )

inline

Set the peak gray level. To set the number of pixels having this gray level use setValue().

Parameters

lvl	: Location of the peak or gray level.

See also

setValue(), set()

Definition at line 83 of file vpHistogramPeak.h.

Referenced by operator=().

setValue()

void vpHistogramPeak::setValue ( unsigned  val )

inline

Set the peak number of pixels having a same gray level. To set the gray level of this peak use setLevel().

Parameters

val	: Number of pixels having the same location or gray level.

See also

setLevel(), set()

Definition at line 94 of file vpHistogramPeak.h.

Referenced by operator=().

Friends And Related Function Documentation

operator<< [1/2]

VISP_EXPORT std::ostream & operator<< ( std::ostream &  s, const vpHistogramPeak &  p  )

friend

std::cout a peak

Definition at line 92 of file vpHistogramPeak.cpp.

operator<<() [2/2]

VISP_EXPORT std::ostream & operator<< ( std::ostream &  s, const vpHistogramPeak &  p  )

related

std::cout a peak

Definition at line 92 of file vpHistogramPeak.cpp.

Member Data Documentation

level

unsigned char vpHistogramPeak::level

protected

Definition at line 140 of file vpHistogramPeak.h.

Referenced by vpHistogramValey::getLevel(), operator=(), operator==(), and vpHistogramValey::operator==().

value

unsigned vpHistogramPeak::value

protected

Gray level ot the peak.

Definition at line 141 of file vpHistogramPeak.h.

Referenced by vpHistogramValey::getValue(), operator=(), operator==(), and vpHistogramValey::operator==().