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Open Source Computer Vision
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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

 cpu
 

Classes

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

Typedefs

using GBuildPyrOutput = std::tuple< GArray< GMat >, GScalar >
 
using GOptFlowLKOutput = std::tuple< cv::GArray< cv::Point2f >, cv::GArray< uchar >, cv::GArray< float > >
 

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 (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 (GBackgroundSubtractor,< GMat(GMat, BackgroundSubtractorParams)>, "org.opencv.video.BackgroundSubtractor")
 
 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 = typedef std::tuple<GArray<GMat>, GScalar>

◆ GOptFlowLKOutput

Enumeration Type Documentation

◆ 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 ( GBuildOptFlowPyramid  ,
< GBuildPyrOutput(GMat, Size, GScalar, bool, int, int, bool)>  ,
"org.opencv.video.buildOpticalFlowPyramid"   
)

◆ G_TYPED_KERNEL() [2/5]

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"   
)

◆ G_TYPED_KERNEL() [3/5]

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"   
)

◆ G_TYPED_KERNEL() [4/5]

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

◆ G_TYPED_KERNEL() [5/5]

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