trackers/trackers/core/base.py at d82f341da3d7633eefb089246d23f568100e4ddd · roboflow/trackers · GitHub

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from abc import ABC, abstractmethod
from typing import Callable, List, Optional

import numpy as np
import supervision as sv


class BaseTracker(ABC):
    @abstractmethod
    def update(self, detections: sv.Detections) -> sv.Detections:
        pass

    @abstractmethod
    def reset(self) -> None:
        pass


class BaseTrackerWithFeatures(ABC):
    @abstractmethod
    def update(self, detections: sv.Detections, frame: np.ndarray) -> sv.Detections:
        pass

    @abstractmethod
    def reset(self) -> None:
        pass


class BaseOfflineTracker(ABC):
    @abstractmethod
    def reset(self) -> None:
        pass

    @abstractmethod
    def track(
        self,
        source_path: str,
        get_model_detections: Callable[[np.ndarray], sv.Detections],
        num_of_tracks: Optional[int] = None,
    ) -> List[sv.Detections]:
        pass