CHECKPOINTS = {
    "tiny": ["sam2_hiera_t.yaml", "checkpoints/sam2_hiera_tiny.pt"],
    "small": ["sam2_hiera_s.yaml", "checkpoints/sam2_hiera_small.pt"],
    "base_plus": ["sam2_hiera_b+.yaml", "checkpoints/sam2_hiera_base_plus.pt"],
    "large": ["sam2_hiera_l.yaml", "checkpoints/sam2_hiera_large.pt"],
}