Classes
struct	cvhalFilter2D
	Dummy structure storing filtering context. More...

Functions
int	hal_ni_adaptiveThreshold (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, double maxValue, int adaptiveMethod, int thresholdType, int blockSize, double C)
	Calculates adaptive threshold.

int	hal_ni_boxFilter (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int src_depth, int dst_depth, int cn, int margin_left, int margin_top, int margin_right, int margin_bottom, size_t ksize_width, size_t ksize_height, int anchor_x, int anchor_y, bool normalize, int border_type)
	Calculate box filter.

int	hal_ni_canny (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int cn, double lowThreshold, double highThreshold, int ksize, bool L2gradient)
	Canny edge detector.

int	hal_ni_cvtBGR5x5toBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int dcn, bool swapBlue, int greenBits)
	hal_cvtBGR5x5toBGR

int	hal_ni_cvtBGR5x5toGray (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int greenBits)
	hal_cvtBGR5x5toGray

int	hal_ni_cvtBGRtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int scn, int dcn, bool swapBlue)
	hal_cvtBGRtoBGR

int	hal_ni_cvtBGRtoBGR5x5 (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int scn, bool swapBlue, int greenBits)
	hal_cvtBGRtoBGR5x5

int	hal_ni_cvtBGRtoGray (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int scn, bool swapBlue)
	hal_cvtBGRtoGray

int	hal_ni_cvtBGRtoHSV (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int scn, bool swapBlue, bool isFullRange, bool isHSV)
	hal_cvtBGRtoHSV

int	hal_ni_cvtBGRtoLab (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int scn, bool swapBlue, bool isLab, bool srgb)
	hal_cvtBGRtoLab

int	hal_ni_cvtBGRtoThreePlaneYUV (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int scn, bool swapBlue, int uIdx)
	hal_cvtBGRtoThreePlaneYUV

int	hal_ni_cvtBGRtoXYZ (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int scn, bool swapBlue)
	hal_cvtBGRtoXYZ

int	hal_ni_cvtBGRtoYUV (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int scn, bool swapBlue, bool isCbCr)
	hal_cvtBGRtoYUV

int	hal_ni_cvtGraytoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int dcn)
	hal_cvtGraytoBGR

int	hal_ni_cvtGraytoBGR5x5 (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int greenBits)
	hal_cvtGraytoBGR5x5

int	hal_ni_cvtHSVtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int dcn, bool swapBlue, bool isFullRange, bool isHSV)
	hal_cvtHSVtoBGR

int	hal_ni_cvtLabtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int dcn, bool swapBlue, bool isLab, bool srgb)
	hal_cvtLabtoBGR

int	hal_ni_cvtMultipliedRGBAtoRGBA (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height)
	hal_cvtMultipliedRGBAtoRGBA

int	hal_ni_cvtOnePlaneYUVtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int dcn, bool swapBlue, int uIdx, int ycn)
	hal_cvtOnePlaneYUVtoBGR

int	hal_ni_cvtRGBAtoMultipliedRGBA (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height)
	hal_cvtRGBAtoMultipliedRGBA

int	hal_ni_cvtThreePlaneYUVtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int dst_width, int dst_height, int dcn, bool swapBlue, int uIdx)
	hal_cvtThreePlaneYUVtoBGR

int	hal_ni_cvtTwoPlaneYUVtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int dst_width, int dst_height, int dcn, bool swapBlue, int uIdx)
	hal_cvtTwoPlaneYUVtoBGR

int	hal_ni_cvtXYZtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int dcn, bool swapBlue)
	hal_cvtXYZtoBGR

int	hal_ni_cvtYUVtoBGR (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int dcn, bool swapBlue, bool isCbCr)
	hal_cvtYUVtoBGR

int	hal_ni_filter (cvhalFilter2D context, uchar src_data, size_t src_step, uchar *dst_data, size_t dst_step, int width, int height, int full_width, int full_height, int offset_x, int offset_y)
	hal_filter

int	hal_ni_filterFree (cvhalFilter2D *context)
	hal_filterFree

int	hal_ni_filterInit (cvhalFilter2D *context, uchar kernel_data, size_t kernel_step, int kernel_type, int kernel_width, int kernel_height, int max_width, int max_height, int src_type, int dst_type, int borderType, double delta, int anchor_x, int anchor_y, bool allowSubmatrix, bool allowInplace)
	hal_filterInit

int	hal_ni_gaussianBlur (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int cn, size_t margin_left, size_t margin_top, size_t margin_right, size_t margin_bottom, size_t ksize_width, size_t ksize_height, double sigmaX, double sigmaY, int border_type)
	Blurs an image using a Gaussian filter.

int	hal_ni_integral (int depth, int sdepth, int sqdepth, const uchar src_data, size_t src_step, uchar sum_data, size_t sum_step, uchar sqsum_data, size_t sqsum_step, uchar tilted_data, size_t tilted_step, int width, int height, int cn)
	Calculate integral image.

int	hal_ni_medianBlur (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int cn, int ksize)
	Calculate medianBlur filter.

int	hal_ni_morph (cvhalFilter2D context, uchar src_data, size_t src_step, uchar *dst_data, size_t dst_step, int width, int height, int src_full_width, int src_full_height, int src_roi_x, int src_roi_y, int dst_full_width, int dst_full_height, int dst_roi_x, int dst_roi_y)
	hal_morph

int	hal_ni_morphFree (cvhalFilter2D *context)
	hal_morphFree

int	hal_ni_morphInit (cvhalFilter2D *context, int operation, int src_type, int dst_type, int max_width, int max_height, int kernel_type, uchar kernel_data, size_t kernel_step, int kernel_width, int kernel_height, int anchor_x, int anchor_y, int borderType, const double borderValue[4], int iterations, bool allowSubmatrix, bool allowInplace)
	hal_morphInit

int	hal_ni_pyrdown (const uchar src_data, size_t src_step, int src_width, int src_height, uchar dst_data, size_t dst_step, int dst_width, int dst_height, int depth, int cn, int border_type)
	Perform Gaussian Blur and downsampling for input tile.

int	hal_ni_resize (int src_type, const uchar src_data, size_t src_step, int src_width, int src_height, uchar dst_data, size_t dst_step, int dst_width, int dst_height, double inv_scale_x, double inv_scale_y, int interpolation)
	hal_resize

int	hal_ni_scharr (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int src_depth, int dst_depth, int cn, int margin_left, int margin_top, int margin_right, int margin_bottom, int dx, int dy, double scale, double delta, int border_type)
	Computes Scharr filter.

int	hal_ni_sepFilter (cvhalFilter2D context, uchar src_data, size_t src_step, uchar *dst_data, size_t dst_step, int width, int height, int full_width, int full_height, int offset_x, int offset_y)
	hal_sepFilter

int	hal_ni_sepFilterFree (cvhalFilter2D *context)
	hal_sepFilterFree

int	hal_ni_sepFilterInit (cvhalFilter2D *context, int src_type, int dst_type, int kernel_type, uchar kernelx_data, int kernelx_length, uchar *kernely_data, int kernely_length, int anchor_x, int anchor_y, double delta, int borderType)
	hal_sepFilterInit

int	hal_ni_sobel (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int src_depth, int dst_depth, int cn, int margin_left, int margin_top, int margin_right, int margin_bottom, int dx, int dy, int ksize, double scale, double delta, int border_type)
	Computes Sobel derivatives.

int	hal_ni_threshold (const uchar src_data, size_t src_step, uchar dst_data, size_t dst_step, int width, int height, int depth, int cn, double thresh, double maxValue, int thresholdType)
	Calculates fixed-level threshold to each array element.

int	hal_ni_warpAffine (int src_type, const uchar src_data, size_t src_step, int src_width, int src_height, uchar dst_data, size_t dst_step, int dst_width, int dst_height, const double M[6], int interpolation, int borderType, const double borderValue[4])
	hal_warpAffine

int	hal_ni_warpPerspective (int src_type, const uchar src_data, size_t src_step, int src_width, int src_height, uchar dst_data, size_t dst_step, int dst_width, int dst_height, const double M[9], int interpolation, int borderType, const double borderValue[4])
	hal_warpPerspective

Interpolation modes
See Also cv::InterpolationFlags
#define	CV_HAL_INTER_NEAREST 0

#define	CV_HAL_INTER_LINEAR 1

#define	CV_HAL_INTER_CUBIC 2

#define	CV_HAL_INTER_AREA 3

#define	CV_HAL_INTER_LANCZOS4 4

Morphology operations
See Also cv::MorphTypes
#define	CV_HAL_MORPH_ERODE 0

#define	CV_HAL_MORPH_DILATE 1

Threshold types
See Also cv::ThresholdTypes
#define	CV_HAL_THRESH_BINARY 0

#define	CV_HAL_THRESH_BINARY_INV 1

#define	CV_HAL_THRESH_TRUNC 2

#define	CV_HAL_THRESH_TOZERO 3

#define	CV_HAL_THRESH_TOZERO_INV 4

#define	CV_HAL_THRESH_MASK 7

#define	CV_HAL_THRESH_OTSU 8

#define	CV_HAL_THRESH_TRIANGLE 16

Adaptive threshold algorithm
See Also cv::AdaptiveThresholdTypes
#define	CV_HAL_ADAPTIVE_THRESH_MEAN_C 0

#define	CV_HAL_ADAPTIVE_THRESH_GAUSSIAN_C 1

Detailed Description

Note: Define your functions to override default implementations:
#undef hal_add8u

#define hal_add8u my_add8u

Macro Definition Documentation

#define CV_HAL_ADAPTIVE_THRESH_GAUSSIAN_C 1

#define CV_HAL_ADAPTIVE_THRESH_MEAN_C 0

#define CV_HAL_INTER_AREA 3

#define CV_HAL_INTER_CUBIC 2

#define CV_HAL_INTER_LANCZOS4 4

#define CV_HAL_INTER_LINEAR 1

#define CV_HAL_INTER_NEAREST 0

#define CV_HAL_MORPH_DILATE 1

#define CV_HAL_MORPH_ERODE 0

#define CV_HAL_THRESH_BINARY 0

#define CV_HAL_THRESH_BINARY_INV 1

#define CV_HAL_THRESH_MASK 7

#define CV_HAL_THRESH_OTSU 8

#define CV_HAL_THRESH_TOZERO 3

#define CV_HAL_THRESH_TOZERO_INV 4

#define CV_HAL_THRESH_TRIANGLE 16

#define CV_HAL_THRESH_TRUNC 2

Function Documentation

int hal_ni_adaptiveThreshold	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		double	maxValue,
		int	adaptiveMethod,
		int	thresholdType,
		int	blockSize,
		double	C
	)

inline

Calculates adaptive threshold.

Parameters

src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
maxValue	Value assigned to the pixels for which the condition is satisfied
adaptiveMethod	Adaptive thresholding algorithm
thresholdType	Thresholding type
blockSize	Size of a pixel neighborhood that is used to calculate a threshold value
C	Constant subtracted from the mean or weighted mean

int hal_ni_boxFilter	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	src_depth,
		int	dst_depth,
		int	cn,
		int	margin_left,
		int	margin_top,
		int	margin_right,
		int	margin_bottom,
		size_t	ksize_width,
		size_t	ksize_height,
		int	anchor_x,
		int	anchor_y,
		bool	normalize,
		int	border_type
	)

inline

Calculate box filter.

Parameters

src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
src_depth,dst_depth	Depths of source and destination image
cn	Number of channels
margin_left,margin_top,margin_right,margin_bottom	Margins for source image
ksize_width,ksize_height	Size of kernel
anchor_x,anchor_y	Anchor point
normalize	If true then result is normalized
border_type	Border type

int hal_ni_canny	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	cn,
		double	lowThreshold,
		double	highThreshold,
		int	ksize,
		bool	L2gradient
	)

inline

Canny edge detector.

Parameters

src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
cn	Number of channels
lowThreshold,highThreshold	Thresholds value
ksize	Kernel size for Sobel operator.
L2gradient	Flag, indicating use L2 or L1 norma.

int hal_ni_cvtBGR5x5toBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	dcn,
		bool	swapBlue,
		int	greenBits
	)

inline

hal_cvtBGR5x5toBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB)
greenBits	number of bits for green channel (5 or 6) Convert from packed BGR or RGB (16 bits per pixel, 555 or 565) to BGR, BGRA, RGB and RGBA. Support only CV_8U images (input 2 channels, output 3 or 4 channels).

int hal_ni_cvtBGR5x5toGray	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	greenBits
	)

inline

hal_cvtBGR5x5toGray

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
greenBits	number of bits for green channel (5 or 6) Convert from packed BGR (16 bits per pixel, 555 or 565) to 1-channel gray. Support only CV_8U images.

int hal_ni_cvtBGRtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	scn,
		int	dcn,
		bool	swapBlue
	)

inline

hal_cvtBGRtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U, CV_16U, CV_32F)
scn	source image channels (3 or 4)
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R channels will be swapped (BGR->RGB or RGB->BGR) Convert between BGR, BGRA, RGB and RGBA image formats.

int hal_ni_cvtBGRtoBGR5x5	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	scn,
		bool	swapBlue,
		int	greenBits
	)

inline

hal_cvtBGRtoBGR5x5

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
scn	source image channels (3 or 4)
swapBlue	if set to true B and R source channels will be swapped (treat as RGB)
greenBits	number of bits for green channel (5 or 6) Convert from BGR, BGRA, RGB and RGBA to packed BGR or RGB (16 bits per pixel, 555 or 565). Support only CV_8U images (input 3 or 4 channels, output 2 channels).

int hal_ni_cvtBGRtoGray	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	scn,
		bool	swapBlue
	)

inline

hal_cvtBGRtoGray

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U, CV_16U or CV_32F)
scn	source image channels (3 or 4)
swapBlue	if set to true B and R source channels will be swapped (treat as RGB) Convert from BGR, BGRA, RGB or RGBA to 1-channel gray.

int hal_ni_cvtBGRtoHSV	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	scn,
		bool	swapBlue,
		bool	isFullRange,
		bool	isHSV
	)

inline

hal_cvtBGRtoHSV

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U or CV_32F)
scn	source image channels (3 or 4)
swapBlue	if set to true B and R source channels will be swapped (treat as RGB)
isFullRange	if set to true write hue in range 0-255 (0-360 for float) otherwise in range 0-180
isHSV	if set to true write HSV otherwise HSL Convert from BGR, RGB, BGRA or RGBA to HSV or HSL.

int hal_ni_cvtBGRtoLab	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	scn,
		bool	swapBlue,
		bool	isLab,
		bool	srgb
	)

inline

hal_cvtBGRtoLab

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U or CV_32F)
scn	source image channels (3 or 4)
swapBlue	if set to true B and R source channels will be swapped (treat as RGB)
isLab	if set to true write Lab otherwise Luv
srgb	if set to true use sRGB gamma correction Convert from BGR, RGB, BGRA or RGBA to Lab or Luv.

int hal_ni_cvtBGRtoThreePlaneYUV	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	scn,
		bool	swapBlue,
		int	uIdx
	)

inline

hal_cvtBGRtoThreePlaneYUV

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
scn	source image channels (3 or 4)
swapBlue	if set to true B and R source channels will be swapped (treat as RGB)
uIdx	U-channel plane index (0 or 1) Convert from BGR, RGB, BGRA or RGBA to YUV (YUV420p (or YV12/YV21) - Y plane followed by U and V planes). Only for CV_8U.

int hal_ni_cvtBGRtoXYZ	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	scn,
		bool	swapBlue
	)

inline

hal_cvtBGRtoXYZ

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U, CV_16U or CV_32F)
scn	source image channels (3 or 4)
swapBlue	if set to true B and R source channels will be swapped (treat as RGB) Convert from BGR, RGB, BGRA or RGBA to XYZ.

int hal_ni_cvtBGRtoYUV	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	scn,
		bool	swapBlue,
		bool	isCbCr
	)

inline

hal_cvtBGRtoYUV

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U, CV_16U or CV_32F)
scn	source image channels (3 or 4)
swapBlue	if set to true B and R source channels will be swapped (treat as RGB)
isCbCr	if set to true write output in YCbCr format Convert from BGR, RGB, BGRA or RGBA to YUV or YCbCr.

int hal_ni_cvtGraytoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	dcn
	)

inline

hal_cvtGraytoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U, CV_16U or CV_32F)
dcn	destination image channels (3 or 4) Convert from 1-channel gray to BGR, RGB, RGBA or BGRA.

int hal_ni_cvtGraytoBGR5x5	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	greenBits
	)

inline

hal_cvtGraytoBGR5x5

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
greenBits	number of bits for green channel (5 or 6) Convert from 1-channel gray to packed BGR (16 bits per pixel, 555 or 565). Support only CV_8U images.

int hal_ni_cvtHSVtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	dcn,
		bool	swapBlue,
		bool	isFullRange,
		bool	isHSV
	)

inline

hal_cvtHSVtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U or CV_32F)
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB)
isFullRange	if set to true read hue in range 0-255 (0-360 for float) otherwise in range 0-180
isHSV	if set to true treat source as HSV otherwise HSL Convert from HSV or HSL to BGR, RGB, BGRA or RGBA.

int hal_ni_cvtLabtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	dcn,
		bool	swapBlue,
		bool	isLab,
		bool	srgb
	)

inline

hal_cvtLabtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U or CV_32F)
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB)
isLab	if set to true treat input as Lab otherwise Luv
srgb	if set to true use sRGB gamma correction Convert from Lab or Luv to BGR, RGB, BGRA or RGBA.

int hal_ni_cvtMultipliedRGBAtoRGBA	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height
	)

inline

hal_cvtMultipliedRGBAtoRGBA

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size Convert from format with multiplied alpha channel to BGRA or RGBA. Only for CV_8U.

int hal_ni_cvtOnePlaneYUVtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	dcn,
		bool	swapBlue,
		int	uIdx,
		int	ycn
	)

inline

hal_cvtOnePlaneYUVtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB)
uIdx	U-channel index (0 or 1)
ycn	Y-channel index (0 or 1) Convert from UYVY, YUY2 or YVYU to BGR, RGB, BGRA or RGBA. Only for CV_8U.

int hal_ni_cvtRGBAtoMultipliedRGBA	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height
	)

inline

hal_cvtRGBAtoMultipliedRGBA

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size Convert from BGRA or RGBA to format with multiplied alpha channel. Only for CV_8U.

int hal_ni_cvtThreePlaneYUVtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	dst_width,
		int	dst_height,
		int	dcn,
		bool	swapBlue,
		int	uIdx
	)

inline

hal_cvtThreePlaneYUVtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
dst_width,dst_height	destination image size
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB)
uIdx	U-channel plane index (0 or 1) Convert from YUV (YUV420p (or YV12/YV21) - Y plane followed by U and V planes) to BGR, RGB, BGRA or RGBA. Only for CV_8U.

int hal_ni_cvtTwoPlaneYUVtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	dst_width,
		int	dst_height,
		int	dcn,
		bool	swapBlue,
		int	uIdx
	)

inline

hal_cvtTwoPlaneYUVtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
dst_width,dst_height	destination image size
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB)
uIdx	U-channel index in the interleaved U/V plane (0 or 1) Convert from YUV (YUV420sp (or NV12/NV21) - Y plane followed by interleaved U/V plane) to BGR, RGB, BGRA or RGBA. Only for CV_8U.

int hal_ni_cvtXYZtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	dcn,
		bool	swapBlue
	)

inline

hal_cvtXYZtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U, CV_16U or CV_32F)
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB) Convert from XYZ to BGR, RGB, BGRA or RGBA.

int hal_ni_cvtYUVtoBGR	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	dcn,
		bool	swapBlue,
		bool	isCbCr
	)

inline

hal_cvtYUVtoBGR

Parameters

src_data,src_step	source image data and step
dst_data,dst_step	destination image data and step
width,height	image size
depth	image depth (one of CV_8U, CV_16U or CV_32F)
dcn	destination image channels (3 or 4)
swapBlue	if set to true B and R destination channels will be swapped (write RGB)
isCbCr	if set to true treat source as YCbCr Convert from YUV or YCbCr to BGR, RGB, BGRA or RGBA.

int hal_ni_filter	(	cvhalFilter2D *	context,
		uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	full_width,
		int	full_height,
		int	offset_x,
		int	offset_y
	)

inline

hal_filter

Parameters

context	pointer to user-defined context
src_data	source image data
src_step	source image step
dst_data	destination image data
dst_step	destination image step
width	images width
height	images height
full_width	full width of source image (outside the ROI)
full_height	full height of source image (outside the ROI)
offset_x	source image ROI offset X
offset_y	source image ROI offset Y

See Also: cv::filter2D, cv::hal::Filter2D

int hal_ni_filterFree ( cvhalFilter2D * context )

inline

hal_filterFree

Parameters

context pointer to user-defined context

See Also: cv::filter2D, cv::hal::Filter2D

int hal_ni_filterInit	(	cvhalFilter2D **	context,
		uchar *	kernel_data,
		size_t	kernel_step,
		int	kernel_type,
		int	kernel_width,
		int	kernel_height,
		int	max_width,
		int	max_height,
		int	src_type,
		int	dst_type,
		int	borderType,
		double	delta,
		int	anchor_x,
		int	anchor_y,
		bool	allowSubmatrix,
		bool	allowInplace
	)

inline

hal_filterInit

Parameters

context	double pointer to user-defined context
kernel_data	pointer to kernel data
kernel_step	kernel step
kernel_type	kernel type (CV_8U, ...)
kernel_width	kernel width
kernel_height	kernel height
max_width	max possible image width, can be used to allocate working buffers
max_height	max possible image height
src_type	source image type
dst_type	destination image type
borderType	border processing mode (CV_HAL_BORDER_REFLECT, ...)
delta	added to pixel values
anchor_x	relative X position of center point within the kernel
anchor_y	relative Y position of center point within the kernel
allowSubmatrix	indicates whether the submatrices will be allowed as source image
allowInplace	indicates whether the inplace operation will be possible

See Also: cv::filter2D, cv::hal::Filter2D

int hal_ni_gaussianBlur	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	cn,
		size_t	margin_left,
		size_t	margin_top,
		size_t	margin_right,
		size_t	margin_bottom,
		size_t	ksize_width,
		size_t	ksize_height,
		double	sigmaX,
		double	sigmaY,
		int	border_type
	)

inline

Blurs an image using a Gaussian filter.

Parameters

src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
depth	Depth of source and destination image
cn	Number of channels
margin_left,margin_top,margin_right,margin_bottom	Margins for source image
ksize_width,ksize_height	Size of kernel
sigmaX,sigmaY	Gaussian kernel standard deviation.
border_type	Border type

int hal_ni_integral	(	int	depth,
		int	sdepth,
		int	sqdepth,
		const uchar *	src_data,
		size_t	src_step,
		uchar *	sum_data,
		size_t	sum_step,
		uchar *	sqsum_data,
		size_t	sqsum_step,
		uchar *	tilted_data,
		size_t	tilted_step,
		int	width,
		int	height,
		int	cn
	)

inline

Calculate integral image.

Parameters

depth,sdepth,sqdepth	Depths of source image, sum image and square sum image
src_data,src_step	Source image
sum_data,sum_step	Sum image
sqsum_data,sqsum_step	Square sum image
tilted_data,tilted_step	Tilted sum image
width,height	Source image dimensions
cn	Number of channels

Note

Following combinations of image depths are used:

Source	Sum	Square sum
CV_8U	CV_32S	CV_64F
CV_8U	CV_32S	CV_32F
CV_8U	CV_32S	CV_32S
CV_8U	CV_32F	CV_64F
CV_8U	CV_32F	CV_32F
CV_8U	CV_64F	CV_64F
CV_16U	CV_64F	CV_64F
CV_16S	CV_64F	CV_64F
CV_32F	CV_32F	CV_64F
CV_32F	CV_32F	CV_32F
CV_32F	CV_64F	CV_64F
CV_64F	CV_64F	CV_64F

See Also: cv::integral

int hal_ni_medianBlur	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	cn,
		int	ksize
	)

inline

Calculate medianBlur filter.

Parameters

src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
depth	Depths of source and destination image
cn	Number of channels
ksize	Size of kernel

int hal_ni_morph	(	cvhalFilter2D *	context,
		uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	src_full_width,
		int	src_full_height,
		int	src_roi_x,
		int	src_roi_y,
		int	dst_full_width,
		int	dst_full_height,
		int	dst_roi_x,
		int	dst_roi_y
	)

inline

hal_morph

Parameters

context	pointer to user-defined context
src_data	source image data
src_step	source image step
dst_data	destination image data
dst_step	destination image step
width	images width
height	images height
src_full_width	full width of source image (outside the ROI)
src_full_height	full height of source image (outside the ROI)
src_roi_x	source image ROI X offset
src_roi_y	source image ROI Y offset
dst_full_width	full width of destination image
dst_full_height	full height of destination image
dst_roi_x	destination image ROI X offset
dst_roi_y	destination image ROI Y offset

See Also: cv::erode, cv::dilate, cv::morphologyEx, cv::hal::Morph

int hal_ni_morphFree ( cvhalFilter2D * context )

inline

hal_morphFree

Parameters

context pointer to user-defined context

See Also: cv::erode, cv::dilate, cv::morphologyEx, cv::hal::Morph

int hal_ni_morphInit	(	cvhalFilter2D **	context,
		int	operation,
		int	src_type,
		int	dst_type,
		int	max_width,
		int	max_height,
		int	kernel_type,
		uchar *	kernel_data,
		size_t	kernel_step,
		int	kernel_width,
		int	kernel_height,
		int	anchor_x,
		int	anchor_y,
		int	borderType,
		const double	borderValue[4],
		int	iterations,
		bool	allowSubmatrix,
		bool	allowInplace
	)

inline

hal_morphInit

Parameters

context	double pointer to user-defined context
operation	morphology operation CV_HAL_MORPH_ERODE or CV_HAL_MORPH_DILATE
src_type	source image type
dst_type	destination image type
max_width	max possible image width, can be used to allocate working buffers
max_height	max possible image height
kernel_type	kernel type (CV_8U, ...)
kernel_data	pointer to kernel data
kernel_step	kernel step
kernel_width	kernel width
kernel_height	kernel height
anchor_x	relative X position of center point within the kernel
anchor_y	relative Y position of center point within the kernel
borderType	border processing mode (CV_HAL_BORDER_REFLECT, ...)
borderValue	values to use for CV_HAL_BORDER_CONSTANT mode
iterations	number of iterations
allowSubmatrix	indicates whether the submatrices will be allowed as source image
allowInplace	indicates whether the inplace operation will be possible

See Also: cv::erode, cv::dilate, cv::morphologyEx, cv::hal::Morph

int hal_ni_pyrdown	(	const uchar *	src_data,
		size_t	src_step,
		int	src_width,
		int	src_height,
		uchar *	dst_data,
		size_t	dst_step,
		int	dst_width,
		int	dst_height,
		int	depth,
		int	cn,
		int	border_type
	)

inline

Perform Gaussian Blur and downsampling for input tile.

Parameters

depth	Depths of source and destination image
src_data,src_step	Source image
dst_data,dst_step	Destination image
src_width,src_height	Source image dimensions
dst_width,dst_height	Destination image dimensions
cn	Number of channels
border_type	Border type

int hal_ni_resize	(	int	src_type,
		const uchar *	src_data,
		size_t	src_step,
		int	src_width,
		int	src_height,
		uchar *	dst_data,
		size_t	dst_step,
		int	dst_width,
		int	dst_height,
		double	inv_scale_x,
		double	inv_scale_y,
		int	interpolation
	)

inline

hal_resize

Parameters

src_type	source and destination image type
src_data	source image data
src_step	source image step
src_width	source image width
src_height	source image height
dst_data	destination image data
dst_step	destination image step
dst_width	destination image width
dst_height	destination image height
inv_scale_x	inversed scale X coefficient
inv_scale_y	inversed scale Y coefficient
interpolation	interpolation mode (CV_HAL_INTER_NEAREST, ...)

See Also: cv::resize, cv::hal::resize

int hal_ni_scharr	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	src_depth,
		int	dst_depth,
		int	cn,
		int	margin_left,
		int	margin_top,
		int	margin_right,
		int	margin_bottom,
		int	dx,
		int	dy,
		double	scale,
		double	delta,
		int	border_type
	)

inline

Computes Scharr filter.

Parameters

src_depth,dst_depth	Depths of source and destination image
src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
cn	Number of channels
margin_left,margin_top,margin_right,margin_bottom	Margins for source image
dx,dy	orders of the derivative x and y respectively
scale	Scale factor for the computed derivative values
delta	Delta value that is added to the results prior to storing them in dst
border_type	Border type

int hal_ni_sepFilter	(	cvhalFilter2D *	context,
		uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	full_width,
		int	full_height,
		int	offset_x,
		int	offset_y
	)

inline

hal_sepFilter

Parameters

context	pointer to user-defined context
src_data	source image data
src_step	source image step
dst_data	destination image data
dst_step	destination image step
width	images width
height	images height
full_width	full width of source image (outside the ROI)
full_height	full height of source image (outside the ROI)
offset_x	source image ROI offset X
offset_y	source image ROI offset Y

See Also: cv::sepFilter2D, cv::hal::SepFilter2D

int hal_ni_sepFilterFree ( cvhalFilter2D * context )

inline

hal_sepFilterFree

Parameters

context pointer to user-defined context

See Also: cv::sepFilter2D, cv::hal::SepFilter2D

int hal_ni_sepFilterInit	(	cvhalFilter2D **	context,
		int	src_type,
		int	dst_type,
		int	kernel_type,
		uchar *	kernelx_data,
		int	kernelx_length,
		uchar *	kernely_data,
		int	kernely_length,
		int	anchor_x,
		int	anchor_y,
		double	delta,
		int	borderType
	)

inline

hal_sepFilterInit

Parameters

context	double pointer to user-defined context
src_type	source image type
dst_type	destination image type
kernel_type	kernels type
kernelx_data	pointer to x-kernel data
kernelx_length	x-kernel vector length
kernely_data	pointer to y-kernel data
kernely_length	y-kernel vector length
anchor_x	relative X position of center point within the kernel
anchor_y	relative Y position of center point within the kernel
delta	added to pixel values
borderType	border processing mode (CV_HAL_BORDER_REFLECT, ...)

See Also: cv::sepFilter2D, cv::hal::SepFilter2D

int hal_ni_sobel	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	src_depth,
		int	dst_depth,
		int	cn,
		int	margin_left,
		int	margin_top,
		int	margin_right,
		int	margin_bottom,
		int	dx,
		int	dy,
		int	ksize,
		double	scale,
		double	delta,
		int	border_type
	)

inline

Computes Sobel derivatives.

Parameters

src_depth,dst_depth	Depths of source and destination image
src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
cn	Number of channels
margin_left,margin_top,margin_right,margin_bottom	Margins for source image
dx,dy	orders of the derivative x and y respectively
ksize	Size of kernel
scale	Scale factor for the computed derivative values
delta	Delta value that is added to the results prior to storing them in dst
border_type	Border type

int hal_ni_threshold	(	const uchar *	src_data,
		size_t	src_step,
		uchar *	dst_data,
		size_t	dst_step,
		int	width,
		int	height,
		int	depth,
		int	cn,
		double	thresh,
		double	maxValue,
		int	thresholdType
	)

inline

Calculates fixed-level threshold to each array element.

Parameters

src_data,src_step	Source image
dst_data,dst_step	Destination image
width,height	Source image dimensions
depth	Depths of source and destination image
cn	Number of channels
thresh	Threshold value
maxValue	Value assigned to the pixels for which the condition is satisfied
thresholdType	Thresholding type

int hal_ni_warpAffine	(	int	src_type,
		const uchar *	src_data,
		size_t	src_step,
		int	src_width,
		int	src_height,
		uchar *	dst_data,
		size_t	dst_step,
		int	dst_width,
		int	dst_height,
		const double	M[6],
		int	interpolation,
		int	borderType,
		const double	borderValue[4]
	)

inline

hal_warpAffine

Parameters

src_type	source and destination image type
src_data	source image data
src_step	source image step
src_width	source image width
src_height	source image height
dst_data	destination image data
dst_step	destination image step
dst_width	destination image width
dst_height	destination image height
M	2x3 matrix with transform coefficients
interpolation	interpolation mode (CV_HAL_INTER_NEAREST, ...)
borderType	border processing mode (CV_HAL_BORDER_REFLECT, ...)
borderValue	values to use for CV_HAL_BORDER_CONSTANT mode

See Also: cv::warpAffine, cv::hal::warpAffine

int hal_ni_warpPerspective	(	int	src_type,
		const uchar *	src_data,
		size_t	src_step,
		int	src_width,
		int	src_height,
		uchar *	dst_data,
		size_t	dst_step,
		int	dst_width,
		int	dst_height,
		const double	M[9],
		int	interpolation,
		int	borderType,
		const double	borderValue[4]
	)

inline

hal_warpPerspective

Parameters

src_type	source and destination image type
src_data	source image data
src_step	source image step
src_width	source image width
src_height	source image height
dst_data	destination image data
dst_step	destination image step
dst_width	destination image width
dst_height	destination image height
M	3x3 matrix with transform coefficients
interpolation	interpolation mode (CV_HAL_INTER_NEAREST, ...)
borderType	border processing mode (CV_HAL_BORDER_REFLECT, ...)
borderValue	values to use for CV_HAL_BORDER_CONSTANT mode

See Also: cv::warpPerspective, cv::hal::warpPerspective

Classes

Functions

Interpolation modes

Morphology operations

Threshold types

Adaptive threshold algorithm

Detailed Description

Macro Definition Documentation

Function Documentation