Author

Quan Gu

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Preprint Aug 2026

GSToken: Geometry-Structured Gaussian Tokens for Compact 3D Medical Image Representation

Gaussian tokens are introduced to multi-modal brain tumor segmentation for the first time: each token carries not only a semantic feature but also a learned 3D center, anisotropic scale, and orientation, endowing the representation with explicit geometric support at negligible parameter cost.

Xiaoduo Li, Quan Gu · 0 citations

#machine learning Jul 2026

Feature Interaction Modeling for Physics-Informed Neural Networks and Neural Operators

This work embeds feature interaction modules derived from factorization machines (FMs) into physics-informed neural networks (PINNs) and neural operator learning, to enhance model expressiveness for solution manifolds of parameterized partial differential equations (PDEs). Motivated by the second-order Taylor expansion...

Quan Gu, Hong-Xia Liu · arXiv.org · 0 citations