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Building 3D In-Context Learning Universal Model in Neuroimaging by Hu, Jiesi; Peng, Hanyang; Yang, Yanwu; Guo, Xutao; Shang, Yang; Shi, Pengcheng; Ye, Chenfei; Ma, Ting is a scholarly article available to read on EtoBox.

What is Building 3D In-Context Learning Universal Model in Neuroimaging about?

In-context learning (ICL), a type of universal model, demonstrates exceptional generalization across a wide range of tasks without retraining by leveraging task-specific guidance from context, making it particularly effective for the complex demands of neuroimaging. However, existing ICL models, which take 2D images as input, struggle to fully leverage the 3D anatomical structures in neuroimages, leading to a lack of global awareness and suboptimal performance. In this regard, we introduce Neuroverse3D, an ICL model capable of performing multiple neuroimaging tasks (e.g., segmentation, denoising, inpainting) in 3D. Neuroverse3D overcomes the large memory consumption due to 3D inputs through adaptive parallel-sequential context processing and a U-shape fusion strategy, allowing it to handle an unlimited number of context images. Additionally, we propose an optimized loss to balance multi-task training and enhance the focus on anatomical structures. Our study incorporates 43,674 3D scans from 19 neuroimaging datasets and evaluates Neuroverse3D on 14 diverse tasks using held-out test sets. The results demonstrate that Neuroverse3D significantly outperforms existing ICL models and clos

Author

Hu, Jiesi; Peng, Hanyang; Yang, Yanwu; Guo, Xutao; Shang, Yang; Shi, Pengcheng; Ye, Chenfei; Ma, Ting

Published

2025

Language

EN