34 lines
999 B
Python
34 lines
999 B
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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# This source code is licensed under the license found in the
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# LICENSE file in the root directory of this source tree.
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import torch
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from cotracker.models.core.cotracker.cotracker import CoTracker2
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def build_cotracker(
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checkpoint: str,
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):
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if checkpoint is None:
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return build_cotracker()
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model_name = checkpoint.split("/")[-1].split(".")[0]
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if model_name == "cotracker":
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return build_cotracker(checkpoint=checkpoint)
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else:
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raise ValueError(f"Unknown model name {model_name}")
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def build_cotracker(checkpoint=None):
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cotracker = CoTracker2(stride=4, window_len=8, add_space_attn=True)
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if checkpoint is not None:
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with open(checkpoint, "rb") as f:
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state_dict = torch.load(f, map_location="cpu")
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if "model" in state_dict:
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state_dict = state_dict["model"]
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cotracker.load_state_dict(state_dict)
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return cotracker
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