cv::cann 命名空间参考

类
类	AscendEvent
	AscendEvent 用于不同流之间的同步。更多...
结构体	AscendEventAccessor
	此类允许从cann::AscendEvent 获取 aclrtAscendEvent。更多...
类	AscendMat
结构体	AscendPicDesc
类	AscendStream
	在 AscendCL 中，Stream (AscendStream) 是一个任务队列。Stream 用于管理任务的并行性。一个 Stream 内的任务按顺序执行，即 Stream 根据发送的任务顺序依次执行；不同 Stream 中的任务并行执行。更多...
结构体	AscendStreamAccessor
	此类允许从cann::AscendStream 获取 aclrtAscendStream。更多...
结构体	AscendTensor
	call_call 接口的参数类型。更多...
类	DvppOperatorDesc
	调用 DVPP 算子描述符的接口。这里的 DVPP VPC 接口均为 v2 版本。支持的设备：Atlas 推理系列产品、Atlas 200/500 A2 推理产品和 Atlas A2 训练系列产品/Atlas 300I A2 推理产品。更多...
类	OperatorRunner
	调用 CANN 包中算子的接口。更多...

枚举
枚举	InterpolationFlags {   INTER_NEAREST = 0 ,   INTER_LINEAR = 1 ,   INTER_CUBIC = 2 ,   INTER_AREA = 3 ,   INTER_MAX = 7 }
	插值算法 更多...

函数
void	aclrtFreeWarpper (void *data)
void	aclrtMallocWarpper (void **data, size_t size)
void	aclrtMemcpy2dWarpper (std::shared_ptr< uchar > &dst, size_t offset, size_t dpitch, const void *src, size_t spitch, size_t width, size_t length, AscendStream &stream)
void	aclrtMemcpy2dWarpper (void *dst, size_t dpitch, const std::shared_ptr< uchar > &src, size_t offset, size_t spitch, size_t width, size_t length, AscendStream &stream)
void	aclrtMemcpyWarpper (std::shared_ptr< uchar > &dst, size_t dstOffset, const std::shared_ptr< uchar > &src, size_t srcOffset, size_t size, AscendStream &stream)
void	aclrtMemcpyWarpper (std::shared_ptr< uchar > &dst, size_t offset, const void *src, size_t size, AscendStream &stream)
void	aclrtMemcpyWarpper (void *dst, const std::shared_ptr< uchar > &src, size_t offset, size_t size, AscendStream &stream)
void	aclrtMemsetWarpper (std::shared_ptr< uchar > &ptr, int32_t value, size_t count, AscendStream &stream)
void	add (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	add (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	add (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), int dtype=-1, AscendStream &stream=AscendStream::Null())
	计算矩阵-矩阵或矩阵-标量的和。
void	add (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	addWeighted (const AscendMat &src1, double alpha, const AscendMat &src2, double beta, double gamma, AscendMat &dst, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	addWeighted (const InputArray src1, double alpha, const InputArray src2, double beta, double gamma, OutputArray dst, int dtype=-1, AscendStream &stream=AscendStream::Null())
	计算两个数组的加权和。
void	arithm_op (const AscendMat &src, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const AscendMat &src, const Scalar &sc, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const AscendMat &src, float scalar, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const char *op, AscendStream &stream)
void	arithm_op (const Scalar &sc, const AscendMat &src, AscendMat &dst, const char *op, AscendStream &stream)
void	bitwise_and (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_and (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_and (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	对两个矩阵（或矩阵和标量）执行逐元素按位与运算。
void	bitwise_and (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_not (const AscendMat &src, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_not (const InputArray src, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	执行逐元素按位非运算。
void	bitwise_or (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_or (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_or (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	对两个矩阵（或矩阵和标量）执行逐元素按位或运算。
void	bitwise_or (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_xor (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_xor (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	bitwise_xor (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), AscendStream &stream=AscendStream::Null())
	执行两个矩阵（或矩阵和标量）的逐元素按位异或运算。
void	bitwise_xor (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), AscendStream &stream=AscendStream::Null())
void	checkAclError (aclError err, const char *file, const int line, const char *func)
void	checkAclPtr (void *ptr, const char *file, const int line, const char *func)
void	copyMakeBorder (const AscendMat &src, AscendMat &dst, int top, int bottom, int left, int right, int borderType, const Scalar &value=Scalar())
void	copyMakeBorder (const InputArray src, OutputArray dst, int top, int bottom, int left, int right, int borderType, const Scalar &value=Scalar())
	在输入图像副本周围形成边界并使用指定的边界类型填充它。
void	crop (const AscendMat &src, AscendMat &dst, const AscendMat &sizeSrcNpu, int64_t *offset, AscendStream &stream)
AscendMat	crop (const AscendMat &src, const Rect &rect, AscendStream &stream=AscendStream::Null())
AscendMat	crop (InputArray src, const Rect &rect, AscendStream &stream=AscendStream::Null())
	裁剪二维数组。该函数使用给定的cv::Rect裁剪矩阵。输出矩阵的深度必须与输入矩阵相同，大小由给定的矩形大小指定。
void	cropResize (const AscendMat &src, AscendMat &dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation)
void	cropResize (const InputArray src, OutputArray dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation)
	从大的图像中裁剪一个子图像，并将其调整为特定大小。
void	cropResizeMakeBorder (const AscendMat &src, AscendMat &dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation, int top, int left, const int borderType, Scalar value=Scalar())
void	cropResizeMakeBorder (const InputArray src, OutputArray dst, const Rect &rect, Size dsize, double fx, double fy, int interpolation, int top, int left, const int borderType, Scalar value=Scalar())
	从大的图像中裁剪一个子图像，将其调整为特定大小，并在顶部/左侧形成边界并使用指定的边界类型填充它。
void	cvtColor (const AscendMat &src, AscendMat &dst, int code, int dstCn=0, AscendStream &stream=AscendStream::Null())
void	cvtColor (const InputArray src, OutputArray dst, int code, int dstCn=0, AscendStream &stream=AscendStream::Null())
	转换图像的颜色空间。
void	divide (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	divide (const AscendMat &src1, const Scalar &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	divide (const InputArray src1, const InputArray src2, OutputArray dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
	计算矩阵与矩阵或矩阵与标量的除法。
void	divide (const Scalar &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	finalizeAcl ()
	结束AscendCL。
void	finalizeDvpp ()
	结束DVPP系统。
void	flip (const AscendMat &src, AscendMat &dst, int flipCode, AscendStream &stream=AscendStream::Null())
void	flip (const AscendMat &src, std::vector< int32_t > &asixs, AscendMat &dst, AscendStream &stream)
void	flip (InputArray src, OutputArray dst, int flipCode, AscendStream &stream=AscendStream::Null())
	沿垂直轴、水平轴或两个轴翻转二维矩阵。
aclDataType	getACLType (int opencvdepth)
	opencv和cann之间的类型映射。
int32_t	getDevice ()
	获取当前Ascend设备。
AscendMat	getInputMat (InputArray src, AscendStream &stream)
	从输入数组获取Ascend矩阵对象，如有需要则上传矩阵内存。（非阻塞调用）
AscendMat	getOutputMat (OutputArray dst, int rows, int cols, int type, AscendStream &stream)
	从输出数组获取Ascend矩阵对象，如有需要则上传矩阵内存。
void	initAcl ()
	初始化AscendCL。
void	initDvpp ()
	初始化DVPP系统。
template<typename KERNEL_TYPE , typename TILING_TYPE , typename... ARGS>
void	kernel_launch (KERNEL_TYPE kernel, AscendStream &stream, TILING_TYPE &tiling, ARGS... args)
std::shared_ptr< uchar >	mallocAndUpload (const void *data, size_t size, AscendStream &stream, AscendMat::Allocator *allocator)
	为设备分配内存并上传原始数据。
void	merge (const AscendMat *src, size_t n, AscendMat &dst, AscendStream &stream=AscendStream::Null())
	将多个单通道矩阵组合成一个多通道矩阵。
void	merge (const AscendMat *src, size_t n, OutputArray &dst, AscendStream &stream=AscendStream::Null())
void	merge (const std::vector< AscendMat > &src, AscendMat &dst, AscendStream &stream=AscendStream::Null())
void	merge (const std::vector< AscendMat > &src, OutputArray &dst, AscendStream &stream=AscendStream::Null())
void	multiply (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	multiply (const AscendMat &src1, const Scalar &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	multiply (const InputArray src1, const InputArray src2, OutputArray dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
	计算矩阵与矩阵或矩阵与标量的逐元素乘积。
void	multiply (const Scalar &src1, const AscendMat &src2, AscendMat &dst, float scale=1, int dtype=-1, AscendStream &stream=AscendStream::Null())
void	resetDevice ()
	清除当前昇腾设备中创建的所有上下文。
void	resize (const AscendMat &src, AscendMat &dst, int32_t *dstSize, int interpolation, AscendStream &stream)
void	resize (const AscendMat &src, AscendMat &dst, Size dsize, double fx, double fy, int interpolation, AscendStream &stream=AscendStream::Null())
void	resize (InputArray src, OutputArray dst, Size dsize, double fx, double fy, int interpolation, AscendStream &stream=AscendStream::Null())
	调整图像 src 的大小，缩小或放大到指定大小。
void	rotate (const AscendMat &src, AscendMat &dst, int rotateMode, AscendStream &stream=AscendStream::Null())
void	rotate (InputArray src, OutputArray dst, int rotateCode, AscendStream &stream=AscendStream::Null())
	将二维数组旋转 90 度的倍数。函数 cv::rotate 以三种不同的方式之一旋转数组：顺时针旋转 90 度 (rotateCode = ROTATE_90_CLOCKWISE)。顺时针旋转 180 度 (rotateCode = ROTATE_180)。顺时针旋转 270 度 (rotateCode = ROTATE_90_COUNTERCLOCKWISE)。
void	setDevice (int device)
	选择昇腾 NPU 设备。
void	split (const AscendMat &src, AscendMat *dst, AscendStream &stream=AscendStream::Null())
	将多通道矩阵的每个平面复制到一个数组中。
void	split (const AscendMat &src, std::vector< AscendMat > &dst, AscendStream &stream=AscendStream::Null())
void	split (const InputArray src, AscendMat *dst, AscendStream &stream=AscendStream::Null())
void	split (const InputArray src, std::vector< AscendMat > &dst, AscendStream &stream=AscendStream::Null())
void	subtract (const AscendMat &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	subtract (const AscendMat &src1, const Scalar &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	subtract (const InputArray src1, const InputArray src2, OutputArray dst, const InputArray mask=noArray(), int dtype=-1, AscendStream &stream=AscendStream::Null())
	计算矩阵与矩阵或矩阵与标量的差。
void	subtract (const Scalar &src1, const AscendMat &src2, AscendMat &dst, const AscendMat &mask=AscendMat(), int dtype=-1, AscendStream &stream=AscendStream::Null())
void	syncOutput (const AscendMat &dst, OutputArray _dst, AscendStream &stream)
	将输出矩阵同步到输出数组，根据需要下载矩阵内存。
double	threshold (const AscendMat &src, AscendMat &dst, double thresh, double maxval, int type, AscendStream &stream=AscendStream::Null())
double	threshold (const InputArray src, OutputArray dst, double thresh, double maxval, int type, AscendStream &stream=AscendStream::Null())
	对每个数组元素应用固定级别的阈值。
void	transData (const AscendMat &src, AscendMat &dst, const char *from, const char *to, AscendStream &stream)
void	transpose (const AscendMat &src, AscendMat &dst, AscendStream &stream=AscendStream::Null())
void	transpose (const AscendMat &src, int64_t *perm, AscendMat &dst, AscendStream &stream)
void	transpose (InputArray src, OutputArray dst, AscendStream &stream=AscendStream::Null())
	转置矩阵。
void	vpcCopyMakeBorderWarpper (hi_vpc_chn chnId, hi_vpc_pic_info &inPic, hi_vpc_pic_info &outPic, uint32_t *taskID, int *offsets, int bordertype, Scalar value)
void	vpcCropResizeMakeBorderWarpper (hi_vpc_chn chnId, std::vector< AscendPicDesc > &inPicDesc, std::vector< AscendPicDesc > &outPicDesc, int cnt, uint32_t *taskID, const Rect &rect, Size dsize, int interpolation, const int borderType, Scalar scalarV, int top, int left)
void	vpcCropResizeWarpper (hi_vpc_chn chnId, hi_vpc_pic_info &inPic, hi_vpc_pic_info &outPic, int cnt, uint32_t *taskID, const Rect &rect, Size dsize, int interpolation)
void	vpcResizeWarpper (hi_vpc_chn chnId, hi_vpc_pic_info &inPic, hi_vpc_pic_info &outPic, int interpolation, uint32_t *taskID)
AscendStream	wrapStream (size_t AscendStreamAddress)
	绑定重载，用于根据现有 CANN 运行时 API 流指针 (aclrtStream) 中存储的地址创建流对象。

函数文档

aclrtFreeWarpper()

void cv::cann::aclrtFreeWarpper

(

void *

data

)

aclrtMallocWarpper()

void cv::cann::aclrtMallocWarpper	(	void **	data,
		size_t	size )

aclrtMemcpy2dWarpper() [1/2]

void cv::cann::aclrtMemcpy2dWarpper	(	std::shared_ptr< uchar > &	dst,
		size_t	offset,
		size_t	dpitch,
		const void *	src,
		size_t	spitch,
		size_t	width,
		size_t	length,
		AscendStream &	stream )

aclrtMemcpy2dWarpper() [2/2]

void cv::cann::aclrtMemcpy2dWarpper	(	void *	dst,
		size_t	dpitch,
		const std::shared_ptr< uchar > &	src,
		size_t	offset,
		size_t	spitch,
		size_t	width,
		size_t	length,
		AscendStream &	stream )

aclrtMemcpyWarpper() [1/3]

void cv::cann::aclrtMemcpyWarpper	(	std::shared_ptr< uchar > &	dst,
		size_t	dstOffset,
		const std::shared_ptr< uchar > &	src,
		size_t	srcOffset,
		size_t	size,
		AscendStream &	stream )

aclrtMemcpyWarpper() [2/3]

void cv::cann::aclrtMemcpyWarpper	(	std::shared_ptr< uchar > &	dst,
		size_t	offset,
		const void *	src,
		size_t	size,
		AscendStream &	stream )

aclrtMemcpyWarpper() [3/3]

void cv::cann::aclrtMemcpyWarpper	(	void *	dst,
		const std::shared_ptr< uchar > &	src,
		size_t	offset,
		size_t	size,
		AscendStream &	stream )

aclrtMemsetWarpper()

void cv::cann::aclrtMemsetWarpper	(	std::shared_ptr< uchar > &	ptr,
		int32_t	value,
		size_t	count,
		AscendStream &	stream )

arithm_op() [1/5]

void cv::cann::arithm_op	(	const AscendMat &	src,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream )

arithm_op() [2/5]

void cv::cann::arithm_op	(	const AscendMat &	src,
		const Scalar &	sc,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream )

arithm_op() [3/5]

void cv::cann::arithm_op	(	const AscendMat &	src,
		float	scalar,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream )

arithm_op() [4/5]

void cv::cann::arithm_op	(	const AscendMat &	src1,
		const AscendMat &	src2,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream )

arithm_op() [5/5]

void cv::cann::arithm_op	(	const Scalar &	sc,
		const AscendMat &	src,
		AscendMat &	dst,
		const char *	op,
		AscendStream &	stream )

checkAclError()

void cv::cann::checkAclError	(	aclError	err,
		const char *	file,
		const int	line,
		const char *	func )

checkAclPtr()

void cv::cann::checkAclPtr	(	void *	ptr,
		const char *	file,
		const int	line,
		const char *	func )

crop()

void cv::cann::crop	(	const AscendMat &	src,
		AscendMat &	dst,
		const AscendMat &	sizeSrcNpu,
		int64_t *	offset,
		AscendStream &	stream )

flip()

void cv::cann::flip	(	const AscendMat &	src,
		std::vector< int32_t > &	asixs,
		AscendMat &	dst,
		AscendStream &	stream )

getACLType()

aclDataType cv::cann::getACLType

(

int

opencvdepth

)

opencv和cann之间的类型映射。

kernel_launch()

template<typename KERNEL_TYPE , typename TILING_TYPE , typename... ARGS>

void cv::cann::kernel_launch	(	KERNEL_TYPE	kernel,
		AscendStream &	stream,
		TILING_TYPE &	tiling,
		ARGS...	args )

此函数的调用图如下所示

mallocAndUpload()

std::shared_ptr< uchar > cv::cann::mallocAndUpload	(	const void *	data,
		size_t	size,
		AscendStream &	stream,
		AscendMat::Allocator *	allocator )

为设备分配内存并上传原始数据。

resize()

void cv::cann::resize	(	const AscendMat &	src,
		AscendMat &	dst,
		int32_t *	dstSize,
		int	interpolation,
		AscendStream &	stream )

transData()

void cv::cann::transData	(	const AscendMat &	src,
		AscendMat &	dst,
		const char *	from,
		const char *	to,
		AscendStream &	stream )

transpose()

void cv::cann::transpose	(	const AscendMat &	src,
		int64_t *	perm,
		AscendMat &	dst,
		AscendStream &	stream )

vpcCopyMakeBorderWarpper()

void cv::cann::vpcCopyMakeBorderWarpper	(	hi_vpc_chn	chnId,
		hi_vpc_pic_info &	inPic,
		hi_vpc_pic_info &	outPic,
		uint32_t *	taskID,
		int *	offsets,
		int	bordertype,
		Scalar	value )

vpcCropResizeMakeBorderWarpper()

void cv::cann::vpcCropResizeMakeBorderWarpper	(	hi_vpc_chn	chnId,
		std::vector< AscendPicDesc > &	inPicDesc,
		std::vector< AscendPicDesc > &	outPicDesc,
		int	cnt,
		uint32_t *	taskID,
		const Rect &	rect,
		Size	dsize,
		int	interpolation,
		const int	borderType,
		Scalar	scalarV,
		int	top,
		int	left )

vpcCropResizeWarpper()

void cv::cann::vpcCropResizeWarpper	(	hi_vpc_chn	chnId,
		hi_vpc_pic_info &	inPic,
		hi_vpc_pic_info &	outPic,
		int	cnt,
		uint32_t *	taskID,
		const Rect &	rect,
		Size	dsize,
		int	interpolation )

vpcResizeWarpper()

void cv::cann::vpcResizeWarpper ( hi_vpc_chn chnId, hi_vpc_pic_info & inPic, hi_vpc_pic_info & outPic, int interpolation, uint32_t * taskID )

inline