cv::gapi::video 命名空间参考

此命名空间包含用于视频定向算法（如光流和背景减法）的 G-API 操作和函数。 更多…

命名空间
命名空间	cpu

类
结构体	BackgroundSubtractorParams
	背景减法操作的初始化参数结构体。 更多…

类型定义
使用	GBuildPyrOutput = std::tuple<GArray<GMat>, GScalar>
使用	GOptFlowLKOutput

枚举
枚举	BackgroundSubtractorType {   TYPE_BS_MOG2 ,   TYPE_BS_KNN }

函数
void	checkParams (const cv::gapi::KalmanParams &kfParams, const cv::GMatDesc &measurement, const cv::GMatDesc &control={})
	G_TYPED_KERNEL (GBackgroundSubtractor,< GMat(GMat, BackgroundSubtractorParams)>, "org.opencv.video.BackgroundSubtractor")
	G_TYPED_KERNEL (GBuildOptFlowPyramid,< GBuildPyrOutput(GMat, Size, GScalar, bool, int, int, bool)>, "org.opencv.video.buildOpticalFlowPyramid")
	G_TYPED_KERNEL (GCalcOptFlowLK,< GOptFlowLKOutput(GMat, GMat, cv::GArray< cv::Point2f >, cv::GArray< cv::Point2f >, Size, GScalar, TermCriteria, int, double)>, "org.opencv.video.calcOpticalFlowPyrLK")
	G_TYPED_KERNEL (GCalcOptFlowLKForPyr,< GOptFlowLKOutput(cv::GArray< cv::GMat >, cv::GArray< cv::GMat >, cv::GArray< cv::Point2f >, cv::GArray< cv::Point2f >, Size, GScalar, TermCriteria, int, double)>, "org.opencv.video.calcOpticalFlowPyrLKForPyr")
	G_TYPED_KERNEL (GKalmanFilter,< GMat(GMat, GOpaque< bool >, GMat, KalmanParams)>, "org.opencv.video.KalmanFilter")

详细描述

此命名空间包含用于视频定向算法（如光流和背景减法）的 G-API 操作和函数。

类型定义文档

GBuildPyrOutput

使用 cv::gapi::video::GBuildPyrOutput = std::tuple<GArray<GMat>, GScalar>

GOptFlowLKOutput

使用 cv::gapi::video::GOptFlowLKOutput

初始值

std::tuple<cv::GArray<cv::Point2f>,
                                    cv::GArray<uchar>,
                                    cv::GArray<float>>

枚举类型文档

BackgroundSubtractorType

枚举 cv::gapi::video::BackgroundSubtractorType

枚举器
TYPE_BS_MOG2  Python: cv.gapi.video.TYPE_BS_MOG2
TYPE_BS_KNN  Python: cv.gapi.video.TYPE_BS_KNN

函数文档

checkParams()

void cv::gapi::video::checkParams	(	const cv::gapi::KalmanParams &	kfParams,
		const cv::GMatDesc &	measurement,
		const cv::GMatDesc &	control = {} )

G_TYPED_KERNEL() [1/5]

cv::gapi::video::G_TYPED_KERNEL	(	GBackgroundSubtractor	,
		< GMat(GMat, BackgroundSubtractorParams)>	,
		"org.opencv.video.BackgroundSubtractor"	)

此函数的调用图如下所示

G_TYPED_KERNEL() [2/5]

cv::gapi::video::G_TYPED_KERNEL	(	GBuildOptFlowPyramid	,
		< GBuildPyrOutput(GMat, Size, GScalar, bool, int, int, bool)>	,
		"org.opencv.video.buildOpticalFlowPyramid"	)

此函数的调用图如下所示

G_TYPED_KERNEL() [3/5]

cv::gapi::video::G_TYPED_KERNEL	(	GCalcOptFlowLK	,
		< GOptFlowLKOutput(GMat, GMat, cv::GArray< cv::Point2f >, cv::GArray< cv::Point2f >, Size, GScalar, TermCriteria, int, double)>	,
		“org.opencv.video.calcOpticalFlowPyrLK”	)

此函数的调用图如下所示

G_TYPED_KERNEL() [4/5]

cv::gapi::video::G_TYPED_KERNEL	(	GCalcOptFlowLKForPyr	,
		< GOptFlowLKOutput(cv::GArray< cv::GMat >, cv::GArray< cv::GMat >, cv::GArray< cv::Point2f >, cv::GArray< cv::Point2f >, Size, GScalar, TermCriteria, int, double)>	,
		“org.opencv.video.calcOpticalFlowPyrLKForPyr”	)

此函数的调用图如下所示

G_TYPED_KERNEL() [5/5]

cv::gapi::video::G_TYPED_KERNEL	(	GKalmanFilter	,
		< GMat(GMat, GOpaque< bool >, GMat, KalmanParams)>	,
		“org.opencv.video.KalmanFilter”	)

此函数的调用图如下所示