env_channel.h File Reference

#include <jevoisbase/Components/Saliency/env_config.h>
#include <jevoisbase/Components/Saliency/env_types.h>

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Typedefs
typedef void()	env_chan_status_func(void *userdata, const char *tagName, const struct env_image *img)

Functions
void	env_chan_process_pyr (const char *tagName, const struct env_dims inputDims, const struct env_pyr *pyr, const struct env_params *envp, const struct env_math *imath, const int takeAbs, const int normalizeOutput, struct env_image *result)
void	env_chan_intensity (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_dims inputdims, const struct env_pyr *lowpass5, const int normalizeOutput, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	An intensity channel.
void	env_chan_color (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_rgb_pixel *const colimg, const struct env_dims dims, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	A double opponent color channel that combines r/g, b/y subchannels.
void	env_chan_color_rgby (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_image *rg, const struct env_image *by, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	A double opponent color channel that combines r/g, b/y subchannels, with direct RG and BY inputs.
void	env_chan_steerable (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_dims inputdims, const struct env_pyr *hipass9, const env_size_t thetaidx, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	An orientation filtering channel.
void	env_chan_orientation (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_image *img, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	A composite channel with a set of steerable-filter subchannels.
void	env_chan_flicker (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_image *prev, const struct env_image *cur, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	A temporal flicker channel.
void	env_chan_msflicker (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_dims inputDims, const struct env_pyr *prev_lowpass5, const struct env_pyr *cur_lowpass5, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	A true multi-scale temporal flicker channel.
void	env_chan_direction (const char *tagName, const struct env_params *envp, const struct env_math *imath, const struct env_dims inputdims, const struct env_pyr *unshiftedPrev, const struct env_pyr *unshiftedCur, const struct env_pyr *shiftedPrev, const struct env_pyr *shiftedCur, env_chan_status_func *status_func, void *status_userdata, struct env_image *result)
	A motion sensitive channel with direction selectivity.

Detailed Description

Base class for channels that will use integer math

Definition in file env_channel.h.

Typedef Documentation

env_chan_status_func

typedef void() env_chan_status_func(void *userdata, const char *tagName, const struct env_image *img)

Definition at line 55 of file env_channel.h.

Function Documentation

env_chan_color()

void env_chan_color	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_rgb_pixel *const	colimg,
		const struct env_dims	dims,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

A double opponent color channel that combines r/g, b/y subchannels.

Definition at line 218 of file env_channel.c.

References env_params::cs_lev_min, env_pyr::depth, env_image::dims, env_chan_intensity(), env_get_rgby(), env_img_init(), env_img_initializer, env_img_make_empty(), env_max_normalize_inplace(), env_max_pyr_depth(), env_pyr_build_lowpass_5(), env_pyr_init(), env_pyr_make_empty(), env_dims::h, INTMAXNORMMAX, INTMAXNORMMIN, env_params::maxnorm_type, env_math::nbits, env_params::range_thresh, and env_dims::w.

Referenced by Saliency::process().

env_chan_color_rgby()

void env_chan_color_rgby	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_image *	rg,
		const struct env_image *	by,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

A double opponent color channel that combines r/g, b/y subchannels, with direct RG and BY inputs.

Definition at line 269 of file env_channel.c.

References env_params::cs_lev_min, env_pyr::depth, env_image::dims, ENV_ASSERT, env_chan_intensity(), env_img_initializer, env_img_make_empty(), env_max_normalize_inplace(), env_max_pyr_depth(), env_pyr_build_lowpass_5(), env_pyr_init(), env_pyr_make_empty(), INTMAXNORMMAX, INTMAXNORMMIN, env_params::maxnorm_type, and env_params::range_thresh.

env_chan_direction()

void env_chan_direction	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_dims	inputdims,
		const struct env_pyr *	unshiftedPrev,
		const struct env_pyr *	unshiftedCur,
		const struct env_pyr *	shiftedPrev,
		const struct env_pyr *	shiftedCur,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

A motion sensitive channel with direction selectivity.

Definition at line 472 of file env_channel.c.

References env_params::cs_lev_min, env_pyr::depth, env_chan_process_pyr(), env_img_make_empty(), env_img_resize_dims(), env_max_pyr_depth(), env_pyr_init(), env_pyr_make_empty(), env_params::motion_thresh, env_math::nbits, and env_params::scale_bits.

Referenced by env_motion_channel_input_and_consume_pyr().

env_chan_flicker()

void env_chan_flicker	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_image *	prev,
		const struct env_image *	cur,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

A temporal flicker channel.

Definition at line 404 of file env_channel.c.

References env_params::cs_lev_min, env_pyr::depth, env_image::dims, env_chan_process_pyr(), env_img_init(), env_img_make_empty(), env_max_pyr_depth(), env_pyr_build_lowpass_5(), env_pyr_init(), env_pyr_make_empty(), env_params::flicker_thresh, and env_params::scale_bits.

Referenced by Saliency::process(), and Saliency::process().

env_chan_intensity()

void env_chan_intensity	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_dims	inputdims,
		const struct env_pyr *	lowpass5,
		const int	normalizeOutput,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

An intensity channel.

Definition at line 208 of file env_channel.c.

References env_chan_process_pyr().

Referenced by env_chan_color(), env_chan_color_rgby(), Saliency::process(), and Saliency::process().

env_chan_msflicker()

void env_chan_msflicker	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_dims	inputDims,
		const struct env_pyr *	prev_lowpass5,
		const struct env_pyr *	cur_lowpass5,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

A true multi-scale temporal flicker channel.

Definition at line 442 of file env_channel.c.

References env_chan_process_pyr(), env_img_make_empty(), env_pyr_init(), env_pyr_make_empty(), env_params::flicker_thresh, and env_params::scale_bits.

Referenced by Saliency::process(), and Saliency::process().

env_chan_orientation()

void env_chan_orientation	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_image *	img,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

A composite channel with a set of steerable-filter subchannels.

Definition at line 339 of file env_channel.c.

References env_params::cs_lev_min, env_image::dims, ENV_ASSERT, env_c_image_div_scalar(), env_c_image_div_scalar_accum(), env_chan_steerable(), env_img_initializer, env_img_make_empty(), env_img_resize_dims(), env_max_normalize_inplace(), env_max_pyr_depth(), env_pyr_build_hipass_9(), env_pyr_init(), env_pyr_make_empty(), ENV_TRIG_TABSIZ, INTMAXNORMMAX, INTMAXNORMMIN, env_params::maxnorm_type, env_params::num_orientations, and env_params::range_thresh.

env_chan_process_pyr()

void env_chan_process_pyr	(	const char *	tagName,
		const struct env_dims	inputDims,
		const struct env_pyr *	pyr,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const int	takeAbs,
		const int	normalizeOutput,
		struct env_image *	result
	)

Definition at line 124 of file env_channel.c.

References env_params::cs_del_max, env_params::cs_del_min, env_params::cs_lev_max, env_params::cs_lev_min, env_image::dims, ENV_ASSERT, env_c_image_div_scalar_accum(), env_center_surround(), env_downsize_9_inplace(), env_img_init(), env_img_make_empty(), env_img_resize_dims(), env_img_swap(), ENV_MAX, env_max_cs_index(), env_max_normalize_inplace(), env_max_pyr_depth(), env_rescale(), env_dims::h, INTMAXNORMMAX, INTMAXNORMMIN, env_params::maxnorm_type, env_params::output_map_level, env_params::range_thresh, env_params::submapPostNormProc, env_params::submapPostProc, env_params::submapPreProc, env_params::user_data_postnorm, env_params::user_data_postproc, env_params::user_data_preproc, and env_dims::w.

Referenced by env_chan_direction(), env_chan_flicker(), env_chan_intensity(), env_chan_msflicker(), and env_chan_steerable().

env_chan_steerable()

void env_chan_steerable	(	const char *	tagName,
		const struct env_params *	envp,
		const struct env_math *	imath,
		const struct env_dims	inputdims,
		const struct env_pyr *	hipass9,
		const env_size_t	thetaidx,
		env_chan_status_func *	status_func,
		void *	status_userdata,
		struct env_image *	result
	)

An orientation filtering channel.

Definition at line 313 of file env_channel.c.

References env_math::costab, env_chan_process_pyr(), env_pyr_build_steerable_from_hipass_9(), env_pyr_initializer, env_pyr_make_empty(), ENV_TRIG_NBITS, ENV_TRIG_TABSIZ, and env_math::sintab.

Referenced by env_chan_orientation().