#include <algo.h>

Classes
struct	histogram_metric

Public Member Functions
bool	analyze_image (const frame_interface *image)

	auto_exposure_algorithm (const auto_exposure_state &auto_exposure_state)

void	modify_exposure (float &exposure_value, bool &exp_modified, float &gain_value, bool &gain_modified)

void	update_options (const auto_exposure_state &options)

void	update_roi (const region_of_interest &ae_roi)

Private Types
enum	rounding_mode_type { rounding_mode_type::round, rounding_mode_type::ceil, rounding_mode_type::floor }

Private Member Functions
void	anti_flicker_decrease_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

void	anti_flicker_increase_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

void	decrease_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

void	decrease_exposure_target (float mult, float &target_exposure)

float	exposure_to_value (float exp_ms, rounding_mode_type rounding_mode)

float	gain_to_value (float gain, rounding_mode_type rounding_mode)

void	histogram_score (std::vector< int > &h, const int total_weight, histogram_metric &score)

void	hybrid_decrease_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

void	hybrid_increase_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

void	im_hist (const uint8_t *data, const region_of_interest &image_roi, const int rowStep, int h[])

void	increase_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

void	increase_exposure_target (float mult, float &target_exposure)

float	round (float x)

template<typename T >
T	sqr (const T &x)

void	static_decrease_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

void	static_increase_exposure_gain (const float &target_exposure, const float &target_exposure0, float &exposure, float &gain)

Private Attributes
bool	anti_flicker_mode = true

float	base_gain = 2.0f

int	direction = 0

float	eps = 0.01f

float	exposure = 10.0f

std::atomic< float >	exposure_step

float	flicker_cycle

float	gain = 2.0f

float	gain_limit = 15.0f

float	hysteresis = 0.075f

bool	is_roi_initialized = false

float	maximal_exposure = 20.f

float	minimal_exposure = 0.2f

uint8_t	over_exposure_limit = 250

int	over_exposure_noise_limit = 50

int	prev_direction = 0

region_of_interest	roi {}

auto_exposure_state	state

std::recursive_mutex	state_mutex

float	target_exposure = 0.0f

uint8_t	under_exposure_limit = 5

int	under_exposure_noise_limit = 50

Detailed Description

Definition at line 57 of file algo.h.

Member Enumeration Documentation

enum librealsense::auto_exposure_algorithm::rounding_mode_type

strongprivate

Enumerator
round
ceil
floor

Definition at line 67 of file algo.h.

Constructor & Destructor Documentation

auto_exposure_algorithm::auto_exposure_algorithm ( const auto_exposure_state & auto_exposure_state )

Definition at line 167 of file algo.cpp.

Member Function Documentation

bool auto_exposure_algorithm::analyze_image ( const frame_interface * image )

Definition at line 220 of file algo.cpp.

void auto_exposure_algorithm::anti_flicker_decrease_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 378 of file algo.cpp.

void auto_exposure_algorithm::anti_flicker_increase_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 352 of file algo.cpp.

void auto_exposure_algorithm::decrease_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 331 of file algo.cpp.

void auto_exposure_algorithm::decrease_exposure_target	(	float	mult,
		float &	target_exposure
	)

private

Definition at line 315 of file algo.cpp.

float auto_exposure_algorithm::exposure_to_value	(	float	exp_ms,
		rounding_mode_type	rounding_mode
	)

private

Definition at line 443 of file algo.cpp.

float auto_exposure_algorithm::gain_to_value	(	float	gain,
		rounding_mode_type	rounding_mode
	)

private

Definition at line 454 of file algo.cpp.

void auto_exposure_algorithm::histogram_score	(	std::vector< int > &	h,
		const int	total_weight,
		histogram_metric &	score
	)

private

Definition at line 467 of file algo.cpp.

void auto_exposure_algorithm::hybrid_decrease_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 421 of file algo.cpp.

void auto_exposure_algorithm::hybrid_increase_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 403 of file algo.cpp.

void auto_exposure_algorithm::im_hist	(	const uint8_t *	data,
		const region_of_interest &	image_roi,
		const int	rowStep,
		int	h[]
	)

inlineprivate

Definition at line 297 of file algo.cpp.

void auto_exposure_algorithm::increase_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 320 of file algo.cpp.

void auto_exposure_algorithm::increase_exposure_target	(	float	mult,
		float &	target_exposure
	)

private

Definition at line 310 of file algo.cpp.

void auto_exposure_algorithm::modify_exposure	(	float &	exposure_value,
		bool &	exp_modified,
		float &	gain_value,
		bool &	gain_modified
	)

Definition at line 173 of file algo.cpp.

float librealsense::auto_exposure_algorithm::round ( float x )

inlineprivate

Definition at line 84 of file algo.h.

template<typename T >

T librealsense::auto_exposure_algorithm::sqr ( const T & x )

inlineprivate

Definition at line 89 of file algo.h.

void auto_exposure_algorithm::static_decrease_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 347 of file algo.cpp.

void auto_exposure_algorithm::static_increase_exposure_gain	(	const float &	target_exposure,
		const float &	target_exposure0,
		float &	exposure,
		float &	gain
	)

private

Definition at line 342 of file algo.cpp.

void auto_exposure_algorithm::update_options ( const auto_exposure_state & options )

Definition at line 281 of file algo.cpp.

void auto_exposure_algorithm::update_roi ( const region_of_interest & ae_roi )

Definition at line 290 of file algo.cpp.

Member Data Documentation

bool librealsense::auto_exposure_algorithm::anti_flicker_mode = true

private

Definition at line 99 of file algo.h.

float librealsense::auto_exposure_algorithm::base_gain = 2.0f

private

Definition at line 93 of file algo.h.

int librealsense::auto_exposure_algorithm::direction = 0

private

Definition at line 96 of file algo.h.

float librealsense::auto_exposure_algorithm::eps = 0.01f

private

Definition at line 97 of file algo.h.

float librealsense::auto_exposure_algorithm::exposure = 10.0f

private

Definition at line 94 of file algo.h.

std::atomic<float> librealsense::auto_exposure_algorithm::exposure_step

private

Definition at line 98 of file algo.h.

float librealsense::auto_exposure_algorithm::flicker_cycle

private

Definition at line 99 of file algo.h.

float librealsense::auto_exposure_algorithm::gain = 2.0f

private

Definition at line 94 of file algo.h.

float librealsense::auto_exposure_algorithm::gain_limit = 15.0f

private

Definition at line 93 of file algo.h.

float librealsense::auto_exposure_algorithm::hysteresis = 0.075f

private

Definition at line 96 of file algo.h.

bool librealsense::auto_exposure_algorithm::is_roi_initialized = false

private

Definition at line 101 of file algo.h.

float librealsense::auto_exposure_algorithm::maximal_exposure = 20.f

private

Definition at line 93 of file algo.h.

float librealsense::auto_exposure_algorithm::minimal_exposure = 0.2f

private

Definition at line 93 of file algo.h.

uint8_t librealsense::auto_exposure_algorithm::over_exposure_limit = 250

private

Definition at line 95 of file algo.h.

int librealsense::auto_exposure_algorithm::over_exposure_noise_limit = 50

private

Definition at line 95 of file algo.h.

int librealsense::auto_exposure_algorithm::prev_direction = 0

private

Definition at line 96 of file algo.h.

region_of_interest librealsense::auto_exposure_algorithm::roi {}

private

Definition at line 100 of file algo.h.

auto_exposure_state librealsense::auto_exposure_algorithm::state

private

Definition at line 99 of file algo.h.

std::recursive_mutex librealsense::auto_exposure_algorithm::state_mutex

private

Definition at line 102 of file algo.h.

float librealsense::auto_exposure_algorithm::target_exposure = 0.0f

private

Definition at line 94 of file algo.h.

uint8_t librealsense::auto_exposure_algorithm::under_exposure_limit = 5

private

Definition at line 95 of file algo.h.

int librealsense::auto_exposure_algorithm::under_exposure_noise_limit = 50

private

Definition at line 95 of file algo.h.

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

Classes

Public Member Functions

Private Types

Private Member Functions

Private Attributes

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation