BackgroundMattingV2/model/utils.py

def load_matched_state_dict(model, state_dict, print_stats=True):
    """
    Only loads weights that matched in key and shape. Ignore other weights.
    """
    num_matched, num_total = 0, 0
    curr_state_dict = model.state_dict()
    for key in curr_state_dict.keys():
        num_total += 1
        if key in state_dict and curr_state_dict[key].shape == state_dict[key].shape:
            curr_state_dict[key] = state_dict[key]
            num_matched += 1
    model.load_state_dict(curr_state_dict)
    if print_stats:
        print(f'Loaded state_dict: {num_matched}/{num_total} matched')