OpenCV  4.1.2-pre
Open Source Computer Vision
Public Member Functions | List of all members
cv::cuda::BackgroundSubtractorFGD Class Referenceabstract

The class discriminates between foreground and background pixels by building and maintaining a model of the background. More...

#include <opencv2/cudalegacy.hpp>

Inheritance diagram for cv::cuda::BackgroundSubtractorFGD:
cv::BackgroundSubtractor cv::Algorithm

Public Member Functions

virtual void getForegroundRegions (OutputArrayOfArrays foreground_regions)=0
 Returns the output foreground regions calculated by findContours. More...
 
- Public Member Functions inherited from cv::BackgroundSubtractor
virtual void apply (InputArray image, OutputArray fgmask, double learningRate=-1)=0
 Computes a foreground mask. More...
 
virtual void getBackgroundImage (OutputArray backgroundImage) const =0
 Computes a background image. More...
 
- Public Member Functions inherited from cv::Algorithm
 Algorithm ()
 
virtual ~Algorithm ()
 
virtual void clear ()
 Clears the algorithm state. More...
 
virtual bool empty () const
 Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read. More...
 
virtual String getDefaultName () const
 
virtual void read (const FileNode &fn)
 Reads algorithm parameters from a file storage. More...
 
virtual void save (const String &filename) const
 
virtual void write (FileStorage &fs) const
 Stores algorithm parameters in a file storage. More...
 
void write (const Ptr< FileStorage > &fs, const String &name=String()) const
 simplified API for language bindings This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. More...
 

Additional Inherited Members

- Static Public Member Functions inherited from cv::Algorithm
template<typename _Tp >
static Ptr< _Tp > load (const String &filename, const String &objname=String())
 Loads algorithm from the file. More...
 
template<typename _Tp >
static Ptr< _Tp > loadFromString (const String &strModel, const String &objname=String())
 Loads algorithm from a String. More...
 
template<typename _Tp >
static Ptr< _Tp > read (const FileNode &fn)
 Reads algorithm from the file node. More...
 
- Protected Member Functions inherited from cv::Algorithm
void writeFormat (FileStorage &fs) const
 

Detailed Description

The class discriminates between foreground and background pixels by building and maintaining a model of the background.

Any pixel which does not fit this model is then deemed to be foreground. The class implements algorithm described in [125] .

See also
BackgroundSubtractor

Member Function Documentation

§ getForegroundRegions()

virtual void cv::cuda::BackgroundSubtractorFGD::getForegroundRegions ( OutputArrayOfArrays  foreground_regions)
pure virtual

Returns the output foreground regions calculated by findContours.

Parameters
foreground_regionsOutput array (CPU memory).

The documentation for this class was generated from the following file: