cv::gapi::video Namespace Reference

This namespace contains G-API Operations and functions for video-oriented algorithms, like optical flow and background subtraction. More...

Namespaces
namespace	cpu

Classes
struct	BackgroundSubtractorParams
	Structure for the Background Subtractor operation's initialization parameters. More...

Typedefs
using	GBuildPyrOutput = std::tuple<GArray<GMat>, GScalar>
using	GOptFlowLKOutput

Enumerations
enum	BackgroundSubtractorType {   TYPE_BS_MOG2 ,   TYPE_BS_KNN }

Functions
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")

Detailed Description

This namespace contains G-API Operations and functions for video-oriented algorithms, like optical flow and background subtraction.

Typedef Documentation

GBuildPyrOutput

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

GOptFlowLKOutput

using cv::gapi::video::GOptFlowLKOutput

Initial value:

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

Enumeration Type Documentation

BackgroundSubtractorType

enum cv::gapi::video::BackgroundSubtractorType

Enumerator
TYPE_BS_MOG2  Python: cv.gapi.video.TYPE_BS_MOG2
TYPE_BS_KNN  Python: cv.gapi.video.TYPE_BS_KNN

Function Documentation

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"	)

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G_TYPED_KERNEL() [2/5]

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

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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"	)

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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"	)

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G_TYPED_KERNEL() [5/5]

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

Here is the call graph for this function: