Pytorch-Wildlife/src/PytorchWildlife/models/detection/ultralytics_based/megadetectorv6.py at f40308df27580f23d6f11b46072f0bc5fccad99d · microsoft/Pytorch-Wildlife · GitHub

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from .yolov8_base import YOLOV8Base

__all__ = [
    'MegaDetectorV6'
]

class MegaDetectorV6(YOLOV8Base):
    """
    MegaDetectorV6 is a specialized class derived from the YOLOV8Base class
    that is specifically designed for detecting animals, persons, and vehicles.

    Attributes:
        CLASS_NAMES (dict): Mapping of class IDs to their respective names.
    """

    CLASS_NAMES = {
        0: "animal",
        1: "person",
        2: "vehicle"
    }

    def __init__(self, weights=None, device="cpu", pretrained=True, version='MDV6-yolov9-c'):
        """
        Initializes the MegaDetectorV5 model with the option to load pretrained weights.

        Args:
            weights (str, optional): Path to the weights file.
            device (str, optional): Device to load the model on (e.g., "cpu" or "cuda"). Default is "cpu".
            pretrained (bool, optional): Whether to load the pretrained model. Default is True.
            version (str, optional): Version of the model to load. Default is 'MDV6-yolov9-c'.
        """
        self.IMAGE_SIZE = 1280

        if version == 'MDV6-yolov9-c':
            url = "https://zenodo.org/records/15398270/files/MDV6-yolov9-c.pt?download=1"
            self.MODEL_NAME = "MDV6b-yolov9-c.pt"
        elif version == 'MDV6-yolov9-e':
            url = "https://zenodo.org/records/15398270/files/MDV6-yolov9-e-1280.pt?download=1"
            self.MODEL_NAME = "MDV6-yolov9-e-1280.pt"
        elif version == 'MDV6-yolov10-c':
            url = "https://zenodo.org/records/15398270/files/MDV6-yolov10-c.pt?download=1"
            self.MODEL_NAME = "MDV6-yolov10-c.pt"
        elif version == 'MDV6-yolov10-e':
            url = "https://zenodo.org/records/15398270/files/MDV6-yolov10-e-1280.pt?download=1"
            self.MODEL_NAME = "MDV6-yolov10-e-1280.pt"
        elif version == 'MDV6-rtdetr-c':
            url = "https://zenodo.org/records/15398270/files/MDV6-rtdetr-c.pt?download=1"
            self.MODEL_NAME = "MDV6b-rtdetr-c.pt"
        else:
            raise ValueError('Select a valid model version: MDV6-yolov9-c, MDV6-yolov9-e, MDV6-yolov10-c, MDV6-yolov10-e, MDV6-rtdetr-c')

        super(MegaDetectorV6, self).__init__(weights=weights, device=device, url=url)