Gamma correction

Functions
VISP_EXPORT void	vp::gammaCorrection (vpImage< unsigned char > &I, const double gamma)
VISP_EXPORT void	vp::gammaCorrection (const vpImage< unsigned char > &I1, vpImage< unsigned char > &I2, const double gamma)
VISP_EXPORT void	vp::gammaCorrection (vpImage< vpRGBa > &I, const double gamma)
VISP_EXPORT void	vp::gammaCorrection (const vpImage< vpRGBa > &I1, vpImage< vpRGBa > &I2, const double gamma)

Detailed Description

Gamma correction.

Function Documentation

gammaCorrection() [1/4]

void vp::gammaCorrection	(	vpImage< unsigned char > &	I,
		const double	gamma
	)

Perform a gamma correction on a grayscale image.

Parameters

I	: The grayscale image to apply gamma correction.
gamma	: Gamma value.

Examples:

testImgproc.cpp, and tutorial-brightness-adjustment.cpp.

Definition at line 334 of file vpImgproc.cpp.

References vpException::badValue, and vpImage< Type >::performLut().

Referenced by vp::gammaCorrection().

gammaCorrection() [2/4]

void vp::gammaCorrection	(	const vpImage< unsigned char > &	I1,
		vpImage< unsigned char > &	I2,
		const double	gamma
	)

Perform a gamma correction on a grayscale image.

Parameters

I1	: The first grayscale image.
I2	: The second grayscale image after gamma correction.
gamma	: Gamma value.

Definition at line 361 of file vpImgproc.cpp.

References vp::gammaCorrection().

gammaCorrection() [3/4]

void vp::gammaCorrection	(	vpImage< vpRGBa > &	I,
		const double	gamma
	)

Perform a gamma correction on a color image.

Parameters

I	: The color image to apply gamma correction.
gamma	: Gamma value.

Definition at line 375 of file vpImgproc.cpp.

References vpRGBa::A, vpRGBa::B, vpException::badValue, vpRGBa::G, vpImage< Type >::performLut(), and vpRGBa::R.

gammaCorrection() [4/4]

void vp::gammaCorrection	(	const vpImage< vpRGBa > &	I1,
		vpImage< vpRGBa > &	I2,
		const double	gamma
	)

Perform a gamma correction on a color image.

Parameters

I1	: The first color image.
I2	: The second color image after gamma correction.
gamma	: Gamma value.

Definition at line 405 of file vpImgproc.cpp.

References vp::gammaCorrection().