class cv::cuda::BackgroundSubtractorFGD

Overview

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

#include <cudalegacy.hpp>

class BackgroundSubtractorFGD: public cv::BackgroundSubtractor
{
public:
    // methods

    virtual
    void
    getForegroundRegions(OutputArrayOfArrays foreground_regions) = 0;
};

Inherited Members

public:
    // methods

    virtual
    void
    clear();

    virtual
    bool
    empty() const;

    virtual
    String
    getDefaultName() const;

    virtual
    void
    read(const FileNode& fn);

    virtual
    void
    save(const String& filename) const;

    virtual
    void
    write(FileStorage& fs) const;

    template <typename _Tp>
    static
    Ptr<_Tp>
    load(
        const String& filename,
        const String& objname = String()
        );

    template <typename _Tp>
    static
    Ptr<_Tp>
    loadFromString(
        const String& strModel,
        const String& objname = String()
        );

    template <typename _Tp>
    static
    Ptr<_Tp>
    read(const FileNode& fn);

    virtual
    void
    apply(
        InputArray image,
        OutputArray fgmask,
        double learningRate = -1
        ) = 0;

    virtual
    void
    getBackgroundImage(OutputArray backgroundImage) const = 0;

protected:
    // methods

    void
    writeFormat(FileStorage& fs) const;

Detailed Documentation

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 [47].

See also:

BackgroundSubtractor

Methods

virtual
void
getForegroundRegions(OutputArrayOfArrays foreground_regions) = 0

Returns the output foreground regions calculated by findContours.

Parameters:

foreground_regions

Output array (CPU memory).