Surrogate Supervision for Robust and Generalizable Deformable Image Registration
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914033119002624 |
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| author | Liu, Yihao Chen, Junyu Zuo, Lianrui Wei, Shuwen Boyd, Brian D. Andreescu, Carmen Ajilore, Olusola Taylor, Warren D. Carass, Aaron Landman, Bennett A. |
| author_facet | Liu, Yihao Chen, Junyu Zuo, Lianrui Wei, Shuwen Boyd, Brian D. Andreescu, Carmen Ajilore, Olusola Taylor, Warren D. Carass, Aaron Landman, Bennett A. |
| contents | Objective: Deep learning-based deformable image registration has achieved strong accuracy, but remains sensitive to variations in input image characteristics such as artifacts, field-of-view mismatch, or modality difference. We aim to develop a general training paradigm that improves the robustness and generalizability of registration networks. Methods: We introduce surrogate supervision, which decouples the input domain from the supervision domain by applying estimated spatial transformations to surrogate images. This allows training on heterogeneous inputs while ensuring supervision is computed in domains where similarity is well defined. We evaluate the framework through three representative applications: artifact-robust brain MR registration, mask-agnostic lung CT registration, and multi-modal MR registration. Results: Across tasks, surrogate supervision demonstrated strong resilience to input variations including inhomogeneity field, inconsistent field-of-view, and modality differences, while maintaining high performance on well-curated data. Conclusions: Surrogate supervision provides a principled framework for training robust and generalizable deep learning-based registration models without increasing complexity. Significance: Surrogate supervision offers a practical pathway to more robust and generalizable medical image registration, enabling broader applicability in diverse biomedical imaging scenarios. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_09869 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Surrogate Supervision for Robust and Generalizable Deformable Image Registration Liu, Yihao Chen, Junyu Zuo, Lianrui Wei, Shuwen Boyd, Brian D. Andreescu, Carmen Ajilore, Olusola Taylor, Warren D. Carass, Aaron Landman, Bennett A. Computer Vision and Pattern Recognition Artificial Intelligence Objective: Deep learning-based deformable image registration has achieved strong accuracy, but remains sensitive to variations in input image characteristics such as artifacts, field-of-view mismatch, or modality difference. We aim to develop a general training paradigm that improves the robustness and generalizability of registration networks. Methods: We introduce surrogate supervision, which decouples the input domain from the supervision domain by applying estimated spatial transformations to surrogate images. This allows training on heterogeneous inputs while ensuring supervision is computed in domains where similarity is well defined. We evaluate the framework through three representative applications: artifact-robust brain MR registration, mask-agnostic lung CT registration, and multi-modal MR registration. Results: Across tasks, surrogate supervision demonstrated strong resilience to input variations including inhomogeneity field, inconsistent field-of-view, and modality differences, while maintaining high performance on well-curated data. Conclusions: Surrogate supervision provides a principled framework for training robust and generalizable deep learning-based registration models without increasing complexity. Significance: Surrogate supervision offers a practical pathway to more robust and generalizable medical image registration, enabling broader applicability in diverse biomedical imaging scenarios. |
| title | Surrogate Supervision for Robust and Generalizable Deformable Image Registration |
| topic | Computer Vision and Pattern Recognition Artificial Intelligence |
| url | https://arxiv.org/abs/2509.09869 |