from sahi import AutoDetectionModel
from sahi.predict import get_prediction, get_sliced_prediction
ckpt_path = "yolov8l.pt"

detection_model = AutoDetectionModel.from_pretrained(
    model_type='yolov8',
    model_path=ckpt_path,
    confidence_threshold=0.25, ## same as the default value for our base model
    image_size=640,
    device="cpu", # or 'cuda' if you have access to GPU
)