filtering.hpp

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#ifndef OPENEV_EVPROC_FILTERING_HPP
#define OPENEV_EVPROC_FILTERING_HPP
 
#include "openev/core/matrices.hpp"
#include "openev/core/types.hpp"
#include <opencv2/core/types.hpp>
 
namespace ev {
[[maybe_unused]] constexpr bool USING_FILTERING_HPP = true;

class BackgroundActivityFilter {
public:
  BackgroundActivityFilter(const cv::Size &size, ev::TimeType dt, int radius = 1);
 
  ~BackgroundActivityFilter() = default;
  BackgroundActivityFilter(const BackgroundActivityFilter &) = default;
  BackgroundActivityFilter(BackgroundActivityFilter &&) noexcept = default;
  BackgroundActivityFilter &operator=(const BackgroundActivityFilter &) = default;
  BackgroundActivityFilter &operator=(BackgroundActivityFilter &&) noexcept = default;

  inline void setDt(const ev::TimeType dt) {
    dt_ = dt;
  }

  [[nodiscard]] bool operator()(const ev::Event &e);
 
private:
  ev::Mat::Time map_;
  ev::TimeType dt_;
  int radius_;
};

class RefractoryPeriodFilter {
public:
  RefractoryPeriodFilter(const cv::Size &size, ev::TimeType dt);
 
  ~RefractoryPeriodFilter() = default;
  RefractoryPeriodFilter(const RefractoryPeriodFilter &) = default;
  RefractoryPeriodFilter(RefractoryPeriodFilter &&) noexcept = default;
  RefractoryPeriodFilter &operator=(const RefractoryPeriodFilter &) = default;
  RefractoryPeriodFilter &operator=(RefractoryPeriodFilter &&) noexcept = default;

  inline void setDt(const ev::TimeType dt) {
    dt_ = dt;
  }

  [[nodiscard]] bool operator()(const ev::Event &e);
 
private:
  ev::Mat::Time map_;
  ev::TimeType dt_;
};
 
} // namespace ev
 
#endif // OPENEV_EVPROC_FILTERING_HPP