cob_3d_mapping::DominantColor Class Reference

Representing a dominant color of a surface patch. More...

#include <dominant_color.h>

List of all members.

Public Member Functions
void	addColor (uint8_t r, uint8_t g, uint8_t b, int weight=1)
	Add the color value of a pixel in RGB.
	DominantColor ()
void	getColor (uint8_t &r, uint8_t &g, uint8_t &b) const
	Get the dominant color in RGB.
int	getMaxBin () const
	Get the index of the bin with the maximum value.
void	hsv2rgb (int h, int s, int v, uint8_t &r, uint8_t &g, uint8_t &b) const
	Convert from HSV to RGB color space.
int	incrBin (int h)
	Find the correct bin in the hue histogram and increment.
void	reset ()
	Reset all internal variables.
void	rgb2hsv (uint8_t r, uint8_t g, uint8_t b, int &h, int &s, int &v) const
	Convert from RGB to HSV color space.
	~DominantColor ()
Private Types
enum	{ HIST_SIZE = 180 }
	Definition of the histogram size. More...
Private Attributes
std::vector< int >	hue_histogram_
	The histogram for the hue value.
int	sum_b_
	Sum of R, G and B channels from all added points.
int	sum_colors_
	Number of added color points.
int	sum_g_
int	sum_r_
Static Private Attributes
static const float	inv_bin_size = 1.0f / 360.0f * HIST_SIZE

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Detailed Description

Representing a dominant color of a surface patch.

Definition at line 105 of file dominant_color.h.

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Member Enumeration Documentation

anonymous enum [private]

Definition of the histogram size.

Enumerator:

HIST_SIZE

uint8_t limits hue to 0..255

Definition at line 192 of file dominant_color.h.

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Constructor & Destructor Documentation

cob_3d_mapping::DominantColor::DominantColor

(

)

[inline]

Definition at line 108 of file dominant_color.h.

cob_3d_mapping::DominantColor::~DominantColor

(

)

[inline]

Definition at line 113 of file dominant_color.h.

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Member Function Documentation

void cob_3d_mapping::DominantColor::addColor	(	uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		int	weight = 1
	)

Add the color value of a pixel in RGB.

Parameters:

[in]	r	The red channel.
[in]	g	The green channel.
[in]	b	The blue channel.
[in]	weight	The weight of this pixel.

Definition at line 65 of file dominant_color.cpp.

void cob_3d_mapping::DominantColor::getColor	(	uint8_t &	r,
		uint8_t &	g,
		uint8_t &	b
	)		const

Get the dominant color in RGB.

Parameters:

[out]	r	The red channel.
[out]	g	The green channel.
[out]	b	The blue channel.

Definition at line 86 of file dominant_color.cpp.

int cob_3d_mapping::DominantColor::getMaxBin

(

)

const

Get the index of the bin with the maximum value.

Returns:

The index of the maximum bin.

Definition at line 113 of file dominant_color.cpp.

void cob_3d_mapping::DominantColor::hsv2rgb	(	int	h,
		int	s,
		int	v,
		uint8_t &	r,
		uint8_t &	g,
		uint8_t &	b
	)		const

Convert from HSV to RGB color space.

Parameters:

[in]	h	The hue channel.
[in]	s	The saturation channel.
[in]	v	The value channel.
[out]	r	The red channel.
[out]	g	The green channel.
[out]	b	The blue channel.

Definition at line 161 of file dominant_color.cpp.

int cob_3d_mapping::DominantColor::incrBin

(

int

h

)

Find the correct bin in the hue histogram and increment.

Parameters:

[in]

The

hue value.

Returns:

The index of the bin that was incremented.

Definition at line 105 of file dominant_color.cpp.

void cob_3d_mapping::DominantColor::reset

(

)

Reset all internal variables.

Definition at line 227 of file dominant_color.cpp.

void cob_3d_mapping::DominantColor::rgb2hsv	(	uint8_t	r,
		uint8_t	g,
		uint8_t	b,
		int &	h,
		int &	s,
		int &	v
	)		const

Convert from RGB to HSV color space.

Parameters:

[in]	r	The red channel.
[in]	g	The green channel.
[in]	b	The blue channel.
[out]	h	The hue channel.
[out]	s	The saturation channel.
[out]	v	The value channel.

Definition at line 129 of file dominant_color.cpp.

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Member Data Documentation

std::vector<int> cob_3d_mapping::DominantColor::hue_histogram_ [private]

The histogram for the hue value.

Definition at line 200 of file dominant_color.h.

const float cob_3d_mapping::DominantColor::inv_bin_size = 1.0f / 360.0f * HIST_SIZE [static, private]

Definition at line 203 of file dominant_color.h.

int cob_3d_mapping::DominantColor::sum_b_ [private]

Sum of R, G and B channels from all added points.

Definition at line 199 of file dominant_color.h.

int cob_3d_mapping::DominantColor::sum_colors_ [private]

Number of added color points.

Definition at line 196 of file dominant_color.h.

int cob_3d_mapping::DominantColor::sum_g_ [private]

Definition at line 199 of file dominant_color.h.

int cob_3d_mapping::DominantColor::sum_r_ [private]

Definition at line 199 of file dominant_color.h.

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

• dominant_color.h
• dominant_color.cpp