Functions for edge background updating. More...

Functions
SIMD_API void	SimdEdgeBackgroundGrowRangeSlow (const uint8_t value, size_t valueStride, size_t width, size_t height, uint8_t background, size_t backgroundStride)
	Performs edge background update (initial grow, slow mode). More...

SIMD_API void	SimdEdgeBackgroundGrowRangeFast (const uint8_t value, size_t valueStride, size_t width, size_t height, uint8_t background, size_t backgroundStride)
	Performs edge background update (initial grow, fast mode). More...

SIMD_API void	SimdEdgeBackgroundIncrementCount (const uint8_t value, size_t valueStride, size_t width, size_t height, const uint8_t backgroundValue, size_t backgroundValueStride, uint8_t *backgroundCount, size_t backgroundCountStride)
	Performs collection of edge background statistic. More...

SIMD_API void	SimdEdgeBackgroundAdjustRange (uint8_t backgroundCount, size_t backgroundCountStride, size_t width, size_t height, uint8_t backgroundValue, size_t backgroundValueStride, uint8_t threshold)
	Performs adjustment of edge background range. More...

SIMD_API void	SimdEdgeBackgroundAdjustRangeMasked (uint8_t backgroundCount, size_t backgroundCountStride, size_t width, size_t height, uint8_t backgroundValue, size_t backgroundValueStride, uint8_t threshold, const uint8_t *mask, size_t maskStride)
	Performs adjustment of edge background range with using adjust range mask. More...

SIMD_API void	SimdEdgeBackgroundShiftRange (const uint8_t value, size_t valueStride, size_t width, size_t height, uint8_t background, size_t backgroundStride)
	Shifts edge background range. More...

SIMD_API void	SimdEdgeBackgroundShiftRangeMasked (const uint8_t value, size_t valueStride, size_t width, size_t height, uint8_t background, size_t backgroundStride, const uint8_t *mask, size_t maskStride)
	Shifts edge background range with using shift range mask. More...

template<template< class > class A>
SIMD_INLINE void	EdgeBackgroundGrowRangeSlow (const View< A > &value, View< A > &background)
	Performs edge background update (initial grow, slow mode). More...

template<template< class > class A>
SIMD_INLINE void	EdgeBackgroundGrowRangeFast (const View< A > &value, View< A > &background)
	Performs edge background update (initial grow, fast mode). More...

template<template< class > class A>
SIMD_INLINE void	EdgeBackgroundIncrementCount (const View< A > &value, const View< A > &backgroundValue, View< A > &backgroundCount)
	Performs collection of edge background statistic. More...

template<template< class > class A>
SIMD_INLINE void	EdgeBackgroundAdjustRange (View< A > &backgroundCount, View< A > &backgroundValue, uint8_t threshold)
	Performs adjustment of edge background range. More...

template<template< class > class A>
SIMD_INLINE void	EdgeBackgroundAdjustRange (View< A > &backgroundCount, View< A > &backgroundValue, uint8_t threshold, const View< A > &mask)
	Performs adjustment of edge background range with using adjust range mask. More...

template<template< class > class A>
SIMD_INLINE void	EdgeBackgroundShiftRange (const View< A > &value, View< A > &background)
	Shifts edge background range. More...

template<template< class > class A>
SIMD_INLINE void	EdgeBackgroundShiftRange (const View< A > &value, View< A > &background, const View< A > &mask)
	Shifts edge background range with using shift range mask. More...

Detailed Description

Functions for edge background updating.

Function Documentation

◆ SimdEdgeBackgroundGrowRangeSlow()

void SimdEdgeBackgroundGrowRangeSlow	(	const uint8_t *	value,
		size_t	valueStride,
		size_t	width,
		size_t	height,
		uint8_t *	background,
		size_t	backgroundStride
	)

Performs edge background update (initial grow, slow mode).

All images must have the same width, height and format (8-bit gray).

For every point:

background[i] += value[i] > background[i] ? 1 : 0;

This function is used for edge background updating in motion detection algorithm.

Note: This function has a C++ wrapper Simd::EdgeBackgroundGrowRangeSlow(const View<A>& value, View<A>& background).

Parameters

[in]	value	- a pointer to pixels data of current feature value.
[in]	valueStride	- a row size of the value image.
[in]	width	- an image width.
[in]	height	- an image height.
[in,out]	background	- a pointer to pixels data of feature value of edge dynamic background.
[in]	backgroundStride	- a row size of the background image.

◆ SimdEdgeBackgroundGrowRangeFast()

void SimdEdgeBackgroundGrowRangeFast	(	const uint8_t *	value,
		size_t	valueStride,
		size_t	width,
		size_t	height,
		uint8_t *	background,
		size_t	backgroundStride
	)

Performs edge background update (initial grow, fast mode).

All images must have the same width, height and format (8-bit gray).

For every point:

background[i] = value[i] > background[i] ? value[i] : background[i];

This function is used for edge background updating in motion detection algorithm.

Note: This function has a C++ wrapper Simd::EdgeBackgroundGrowRangeFast(const View<A>& value, View<A>& background).

Parameters

[in]	value	- a pointer to pixels data of current feature value.
[in]	valueStride	- a row size of the value image.
[in]	width	- an image width.
[in]	height	- an image height.
[in,out]	background	- a pointer to pixels data of feature value of edge dynamic background.
[in]	backgroundStride	- a row size of the background image.

◆ SimdEdgeBackgroundIncrementCount()

void SimdEdgeBackgroundIncrementCount	(	const uint8_t *	value,
		size_t	valueStride,
		size_t	width,
		size_t	height,
		const uint8_t *	backgroundValue,
		size_t	backgroundValueStride,
		uint8_t *	backgroundCount,
		size_t	backgroundCountStride
	)

Performs collection of edge background statistic.

All images must have the same width, height and format (8-bit gray).

Updates background statistic counters for every point:

backgroundCount[i] += (value[i] > backgroundValue[i] && backgroundCount[i] < 255) ? 1 : 0;

This function is used for edge background updating in motion detection algorithm.

Note: This function has a C++ wrapper Simd::EdgeBackgroundIncrementCount(const View<A>& value, const View<A>& backgroundValue, View<A>& backgroundCount).

Parameters

[in]	value	- a pointer to pixels data of current feature value.
[in]	valueStride	- a row size of the value image.
[in]	width	- an image width.
[in]	height	- an image height.
[in]	backgroundValue	- a pointer to pixels data of value of feature of edge dynamic background.
[in]	backgroundValueStride	- a row size of the backgroundValue image.
[in,out]	backgroundCount	- a pointer to pixels data of count of feature of edge dynamic background.
[in]	backgroundCountStride	- a row size of the backgroundCount image.

◆ SimdEdgeBackgroundAdjustRange()

void SimdEdgeBackgroundAdjustRange	(	uint8_t *	backgroundCount,
		size_t	backgroundCountStride,
		size_t	width,
		size_t	height,
		uint8_t *	backgroundValue,
		size_t	backgroundValueStride,
		uint8_t	threshold
	)

Performs adjustment of edge background range.

All images must have the same width, height and format (8-bit gray).

Adjusts edge background range for every point:

backgroundValue[i] += (backgroundCount[i] > threshold && backgroundValue[i] < 255) ? 1 : 0;
backgroundValue[i] -= (backgroundCount[i] < threshold && backgroundValue[i] > 0) ? 1 : 0;
backgroundCount[i] = 0;

This function is used for edge background updating in motion detection algorithm.

Note: This function has a C++ wrapper Simd::EdgeBackgroundAdjustRange(View<A>& backgroundCount, View<A>& backgroundValue, uint8_t threshold).

Parameters

[in,out]	backgroundCount	- a pointer to pixels data of count of feature of edge dynamic background.
[in]	backgroundCountStride	- a row size of the backgroundCount image.
[in]	width	- an image width.
[in]	height	- an image height.
[in,out]	backgroundValue	- a pointer to pixels data of value of feature of edge dynamic background.
[in]	backgroundValueStride	- a row size of the backgroundValue image.
[in]	threshold	- a count threshold.

◆ SimdEdgeBackgroundAdjustRangeMasked()

void SimdEdgeBackgroundAdjustRangeMasked	(	uint8_t *	backgroundCount,
		size_t	backgroundCountStride,
		size_t	width,
		size_t	height,
		uint8_t *	backgroundValue,
		size_t	backgroundValueStride,
		uint8_t	threshold,
		const uint8_t *	mask,
		size_t	maskStride
	)

Performs adjustment of edge background range with using adjust range mask.

All images must have the same width, height and format (8-bit gray).

Adjusts edge background range for every point:

if(mask[i])
{
    backgroundValue[i] += (backgroundCount[i] > threshold && backgroundValue[i] < 255) ? 1 : 0;
    backgroundValue[i] -= (backgroundCount[i] < threshold && backgroundValue[i] > 0) ? 1 : 0;
    backgroundCount[i] = 0;
}

This function is used for edge background updating in motion detection algorithm.

Note: This function has a C++ wrapper Simd::EdgeBackgroundAdjustRange(View<A>& backgroundCount, View<A>& backgroundValue, uint8_t threshold, const View<A>& mask).

Parameters

[in,out]	backgroundCount	- a pointer to pixels data of count of feature of edge dynamic background.
[in]	backgroundCountStride	- a row size of the backgroundCount image.
[in]	width	- an image width.
[in]	height	- an image height.
[in,out]	backgroundValue	- a pointer to pixels data of value of feature of edge dynamic background.
[in]	backgroundValueStride	- a row size of the backgroundValue image.
[in]	threshold	- a count threshold.
[in]	mask	- a pointer to pixels data of adjust range mask.
[in]	maskStride	- a row size of the mask image.

◆ SimdEdgeBackgroundShiftRange()

void SimdEdgeBackgroundShiftRange	(	const uint8_t *	value,
		size_t	valueStride,
		size_t	width,
		size_t	height,
		uint8_t *	background,
		size_t	backgroundStride
	)

Shifts edge background range.

All images must have the same width, height and format (8-bit gray).

For every point:

background[i] = value[i];

This function is used for fast edge background updating in motion detection algorithm.

Note: This function has a C++ wrapper Simd::EdgeBackgroundShiftRange(const View<A>& value, View<A>& background).

Parameters

[in]	value	- a pointer to pixels data of current feature value.
[in]	valueStride	- a row size of the value image.
[in]	width	- an image width.
[in]	height	- an image height.
[in,out]	background	- a pointer to pixels data of feature of edge dynamic background.
[in]	backgroundStride	- a row size of the background image.

◆ SimdEdgeBackgroundShiftRangeMasked()

void SimdEdgeBackgroundShiftRangeMasked	(	const uint8_t *	value,
		size_t	valueStride,
		size_t	width,
		size_t	height,
		uint8_t *	background,
		size_t	backgroundStride,
		const uint8_t *	mask,
		size_t	maskStride
	)

Shifts edge background range with using shift range mask.

All images must have the same width, height and format (8-bit gray).

For every point:

if(mask[i]])
    background[i] = value[i];

This function is used for fast edge background updating in motion detection algorithm.

Note: This function has a C++ wrapper Simd::EdgeBackgroundShiftRange(const View<A>& value, View<A>& background, const View<A>& mask).

Parameters

[in]	value	- a pointer to pixels data of current feature value.
[in]	valueStride	- a row size of the value image.
[in]	width	- an image width.
[in]	height	- an image height.
[in,out]	background	- a pointer to pixels data of feature of edge dynamic background.
[in]	backgroundStride	- a row size of the background image.
[in]	mask	- a pointer to pixels data of shift range mask.
[in]	maskStride	- a row size of the mask image.

◆ EdgeBackgroundGrowRangeSlow()

void EdgeBackgroundGrowRangeSlow	(	const View< A > &	value,
		View< A > &	background
	)

Performs edge background update (initial grow, slow mode).

All images must have the same width, height and format (8-bit gray).

For every point:

background[i] += value[i] > background[i] ? 1 : 0;

This function is used for edge background updating in motion detection algorithm.

Note: This function is a C++ wrapper for function SimdEdgeBackgroundGrowRangeSlow.

Parameters

[in]	value	- a current feature value.
[in,out]	background	- a feature value of edge dynamic background.

◆ EdgeBackgroundGrowRangeFast()

void EdgeBackgroundGrowRangeFast	(	const View< A > &	value,
		View< A > &	background
	)

Performs edge background update (initial grow, fast mode).

All images must have the same width, height and format (8-bit gray).

For every point:

background[i] = value[i] > background[i] ? value[i] : background[i];

This function is used for edge background updating in motion detection algorithm.

Note: This function is a C++ wrapper for function SimdEdgeBackgroundGrowRangeFast.

Parameters

[in]	value	- a current feature value.
[in,out]	background	- a feature value of edge dynamic background.

◆ EdgeBackgroundIncrementCount()

void EdgeBackgroundIncrementCount	(	const View< A > &	value,
		const View< A > &	backgroundValue,
		View< A > &	backgroundCount
	)

Performs collection of edge background statistic.

All images must have the same width, height and format (8-bit gray).

Updates background statistic counters for every point:

backgroundCount[i] += (value[i] > backgroundValue[i] && backgroundCount[i] < 255) ? 1 : 0;

This function is used for edge background updating in motion detection algorithm.

Note: This function is a C++ wrapper for function SimdEdgeBackgroundIncrementCount.

Parameters

[in]	value	- a current feature value.
[in]	backgroundValue	- a value of feature of edge dynamic background.
[in,out]	backgroundCount	- a count of feature of edge dynamic background.

◆ EdgeBackgroundAdjustRange() [1/2]

void EdgeBackgroundAdjustRange	(	View< A > &	backgroundCount,
		View< A > &	backgroundValue,
		uint8_t	threshold
	)

Performs adjustment of edge background range.

All images must have the same width, height and format (8-bit gray).

Adjusts edge background range for every point:

backgroundValue[i] += (backgroundCount[i] > threshold && backgroundValue[i] < 255) ? 1 : 0;
backgroundValue[i] -= (backgroundCount[i] < threshold && backgroundValue[i] > 0) ? 1 : 0;
backgroundCount[i] = 0;

This function is used for edge background updating in motion detection algorithm.

Note: This function is a C++ wrapper for function SimdEdgeBackgroundAdjustRange.

Parameters

[in,out]	backgroundCount	- a count of feature of edge dynamic background.
[in,out]	backgroundValue	- a value of feature of edge dynamic background.
[in]	threshold	- a count threshold.

◆ EdgeBackgroundAdjustRange() [2/2]

void EdgeBackgroundAdjustRange	(	View< A > &	backgroundCount,
		View< A > &	backgroundValue,
		uint8_t	threshold,
		const View< A > &	mask
	)

Performs adjustment of edge background range with using adjust range mask.

All images must have the same width, height and format (8-bit gray).

Adjusts edge background range for every point:

if(mask[i])
{
    backgroundValue[i] += (backgroundCount[i] > threshold && backgroundValue[i] < 255) ? 1 : 0;
    backgroundValue[i] -= (backgroundCount[i] < threshold && backgroundValue[i] > 0) ? 1 : 0;
    backgroundCount[i] = 0;
}

This function is used for edge background updating in motion detection algorithm.

Note: This function is a C++ wrapper for function SimdEdgeBackgroundAdjustRangeMasked.

Parameters

[in,out]	backgroundCount	- a count of feature of edge dynamic background.
[in,out]	backgroundValue	- a value of feature of edge dynamic background.
[in]	threshold	- a count threshold.
[in]	mask	- an adjust range mask.

◆ EdgeBackgroundShiftRange() [1/2]

void EdgeBackgroundShiftRange	(	const View< A > &	value,
		View< A > &	background
	)

Shifts edge background range.

All images must have the same width, height and format (8-bit gray).

For every point:

background[i] = value[i];

This function is used for fast edge background updating in motion detection algorithm.

Note: This function is a C++ wrapper for function SimdEdgeBackgroundShiftRange.

Parameters

[in]	value	- a current feature value.
[in,out]	background	- a feature of the edge dynamic background.

◆ EdgeBackgroundShiftRange() [2/2]

void EdgeBackgroundShiftRange	(	const View< A > &	value,
		View< A > &	background,
		const View< A > &	mask
	)

Shifts edge background range with using shift range mask.

All images must have the same width, height and format (8-bit gray).

For every point:

if(mask[i]])
    background[i] = value[i];

This function is used for fast edge background updating in motion detection algorithm.

Note: This function is a C++ wrapper for function SimdEdgeBackgroundShiftRangeMasked.

Parameters

[in]	value	- a current feature value.
[in,out]	background	- a feature of the edge dynamic background.
[in]	mask	- a shift range mask.

Simd Library Documentation.

Functions

Detailed Description

Function Documentation

◆ SimdEdgeBackgroundGrowRangeSlow()

◆ SimdEdgeBackgroundGrowRangeFast()

◆ SimdEdgeBackgroundIncrementCount()

◆ SimdEdgeBackgroundAdjustRange()

◆ SimdEdgeBackgroundAdjustRangeMasked()

◆ SimdEdgeBackgroundShiftRange()

◆ SimdEdgeBackgroundShiftRangeMasked()

◆ EdgeBackgroundGrowRangeSlow()

◆ EdgeBackgroundGrowRangeFast()

◆ EdgeBackgroundIncrementCount()

◆ EdgeBackgroundAdjustRange() [1/2]

◆ EdgeBackgroundAdjustRange() [2/2]

◆ EdgeBackgroundShiftRange() [1/2]

◆ EdgeBackgroundShiftRange() [2/2]