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Enhancing the Utility of Privacy-Preserving Cancer Classification using Synthetic Data

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Deep learning holds immense promise for aiding radiologists in breast cancer detection. However, achieving optimal model performance is hampered by limitations in availability and sharing of data commonly associated to patient privacy concerns. Such concerns are further exacerbated, as traditional deep learning models can inadvertently leak sensitive training information. This work addresses these challenges exploring and quantifying the utility of privacy-preserving deep learning techniques, concretely, (i) differentially private stochastic gradient
descent (DP-SGD) and (ii) fully synthetic training data generated by our proposed malignancy-conditioned generative adversarial network.
We assess these methods via downstream malignancy classification of mammography masses using a transformer model. Our experimental results depict that synthetic data augmentation can improve privacy-utility
tradeoffs in differentially private model training. Further, model pretraining on synthetic data achieves remarkable performance, which can be further increased with DP-SGD fine-tuning across all privacy guarantees.
With this first in-depth exploration of privacy-preserving deep learning in breast imaging, we address current and emerging clinical privacy requirements and pave the way towards the adoption of private high-utility deep diagnostic models. Our reproducible codebase is publicly available at https://github.com/RichardObi/mammo_dp.

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Versió postprint de la comunicació Enhancing the Utility of Privacy-Preserving
Cancer Classification using Synthetic Data del volum publicat a https://doi.org/10.1007/978-3-031-77789-9

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Comunicació al congrés: Artificial Intelligence and Imaging for Diagnostic and Treatment Challenges in Breast Care: First Deep Breast Workshop, Deep-Breath 2024, Held in Conjunction with MICCAI 2024, Marrakesh, Morocco, October 10, 2024.

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Springer Nature Switzerland AG (c) Richard Osuala et al., 2025

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Comunicacions a congressos  (Matemàtiques i Informàtica)

# metadata.dc.title[].value
Enhancing the Utility of Privacy-Preserving Cancer Classification using Synthetic Data