utils.md

---
description: Explore the detailed reference of utility functions in the Ultralytics PyTorch modules. Learn about initialization, inverse sigmoid, and multiscale deformable attention.
keywords: Ultralytics, PyTorch, utils, initialization, inverse sigmoid, multiscale deformable attention, deep learning, neural networks
---

# Reference for `ultralytics/nn/modules/utils.py`

!!! note

    This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/utils.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/nn/modules/utils.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/nn/modules/utils.py) 🛠️. Thank you 🙏!

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## ::: ultralytics.nn.modules.utils._get_clones

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## ::: ultralytics.nn.modules.utils.bias_init_with_prob

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## ::: ultralytics.nn.modules.utils.linear_init

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## ::: ultralytics.nn.modules.utils.inverse_sigmoid

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## ::: ultralytics.nn.modules.utils.multi_scale_deformable_attn_pytorch

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