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#ifndef __OPENCV_VIDEOSTAB_OPTICAL_FLOW_HPP__
#define __OPENCV_VIDEOSTAB_OPTICAL_FLOW_HPP__
#include "opencv2/core/core.hpp"
#include "opencv2/opencv_modules.hpp"
#if defined(HAVE_OPENCV_GPU) && !defined(ANDROID)
# include "opencv2/gpu/gpu.hpp"
#endif
namespace cv
{
namespace videostab
{
class CV_EXPORTS ISparseOptFlowEstimator
{
public:
virtual ~ISparseOptFlowEstimator() {}
virtual void run(
InputArray frame0, InputArray frame1, InputArray points0, InputOutputArray points1,
OutputArray status, OutputArray errors) = 0;
};
class CV_EXPORTS IDenseOptFlowEstimator
{
public:
virtual ~IDenseOptFlowEstimator() {}
virtual void run(
InputArray frame0, InputArray frame1, InputOutputArray flowX, InputOutputArray flowY,
OutputArray errors) = 0;
};
class CV_EXPORTS PyrLkOptFlowEstimatorBase
{
public:
PyrLkOptFlowEstimatorBase() { setWinSize(Size(21, 21)); setMaxLevel(3); }
void setWinSize(Size val) { winSize_ = val; }
Size winSize() const { return winSize_; }
void setMaxLevel(int val) { maxLevel_ = val; }
int maxLevel() const { return maxLevel_; }
protected:
Size winSize_;
int maxLevel_;
};
class CV_EXPORTS SparsePyrLkOptFlowEstimator
: public PyrLkOptFlowEstimatorBase, public ISparseOptFlowEstimator
{
public:
virtual void run(
InputArray frame0, InputArray frame1, InputArray points0, InputOutputArray points1,
OutputArray status, OutputArray errors);
};
#if defined(HAVE_OPENCV_GPU) && !defined(ANDROID)
class CV_EXPORTS DensePyrLkOptFlowEstimatorGpu
: public PyrLkOptFlowEstimatorBase, public IDenseOptFlowEstimator
{
public:
DensePyrLkOptFlowEstimatorGpu();
virtual void run(
InputArray frame0, InputArray frame1, InputOutputArray flowX, InputOutputArray flowY,
OutputArray errors);
private:
gpu::PyrLKOpticalFlow optFlowEstimator_;
gpu::GpuMat frame0_, frame1_, flowX_, flowY_, errors_;
};
#endif
} // namespace videostab
} // namespace cv
#endif
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