video.hpp 檔案參考

#include <utility>
#include <opencv2/gapi/gkernel.hpp>

video.hpp 的包含依賴關係圖

類
結構體	cv::gapi::video::BackgroundSubtractorParams
	背景減法器操作的初始化引數結構體。 更多...
結構體	cv::detail::CompileArgTag< cv::gapi::video::BackgroundSubtractorParams >
結構體	cv::gapi::KalmanParams
	卡爾曼濾波器初始化引數的結構體。 更多...

名稱空間
名稱空間	cv
名稱空間	cv::detail
名稱空間	cv::gapi
名稱空間	cv::gapi::video
	此名稱空間包含面向影片的演算法的 G-API 操作和函式，例如光流和背景減除。

型別定義
using	cv::gapi::video::GBuildPyrOutput = std::tuple<GArray<GMat>, GScalar>
using	cv::gapi::video::GOptFlowLKOutput

列舉
列舉	cv::gapi::video::BackgroundSubtractorType {   cv::gapi::video::TYPE_BS_MOG2 ,   cv::gapi::video::TYPE_BS_KNN }

函式
GMat	cv::gapi::BackgroundSubtractor (const GMat &src, const cv::gapi::video::BackgroundSubtractorParams &bsParams)
	基於高斯混合或 K 近鄰的背景/前景分割演算法。 該操作生成前景掩碼。
std::tuple< GArray< GMat >, GScalar >	cv::gapi::buildOpticalFlowPyramid (const GMat &img, const Size &winSize, const GScalar &maxLevel, bool withDerivatives=true, int pyrBorder=BORDER_REFLECT_101, int derivBorder=BORDER_CONSTANT, bool tryReuseInputImage=true)
	構造影像金字塔，可以將其傳遞給 calcOpticalFlowPyrLK。
std::tuple< GArray< Point2f >, GArray< uchar >, GArray< float > >	cv::gapi::calcOpticalFlowPyrLK (const GArray< GMat > &prevPyr, const GArray< GMat > &nextPyr, const GArray< Point2f > &prevPts, const GArray< Point2f > &predPts, const Size &winSize=Size(21, 21), const GScalar &maxLevel=3, const TermCriteria &criteria=TermCriteria(TermCriteria::COUNT|TermCriteria::EPS, 30, 0.01), int flags=0, double minEigThresh=1e-4)
std::tuple< GArray< Point2f >, GArray< uchar >, GArray< float > >	cv::gapi::calcOpticalFlowPyrLK (const GMat &prevImg, const GMat &nextImg, const GArray< Point2f > &prevPts, const GArray< Point2f > &predPts, const Size &winSize=Size(21, 21), const GScalar &maxLevel=3, const TermCriteria &criteria=TermCriteria(TermCriteria::COUNT|TermCriteria::EPS, 30, 0.01), int flags=0, double minEigThresh=1e-4)
	使用帶金字塔的迭代 Lucas-Kanade 方法計算稀疏特徵集的光流。
void	cv::gapi::video::checkParams (const cv::gapi::KalmanParams &kfParams, const cv::GMatDesc &measurement, const cv::GMatDesc &control={})
	cv::gapi::video::G_TYPED_KERNEL (GBackgroundSubtractor,< GMat(GMat, BackgroundSubtractorParams)>, "org.opencv.video.BackgroundSubtractor")
	cv::gapi::video::G_TYPED_KERNEL (GBuildOptFlowPyramid,< GBuildPyrOutput(GMat, Size, GScalar, bool, int, int, bool)>, "org.opencv.video.buildOpticalFlowPyramid")
	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")
	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")
	cv::gapi::video::G_TYPED_KERNEL (GKalmanFilter,< GMat(GMat, GOpaque< bool >, GMat, KalmanParams)>, "org.opencv.video.KalmanFilter")
GMat	cv::gapi::KalmanFilter (const GMat &measurement, const GOpaque< bool > &haveMeasurement, const cv::gapi::KalmanParams &kfParams)
GMat	cv::gapi::KalmanFilter (const GMat &measurement, const GOpaque< bool > &haveMeasurement, const GMat &control, const cv::gapi::KalmanParams &kfParams)
	標準卡爾曼濾波器演算法 http://en.wikipedia.org/wiki/Kalman_filter。