Author

Qiegen Liu

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Preprint Aug 2026

Shared-Structure 4D Spectral Gaussian Representation for Sparse-View Spectral CT Reconstruction

A SharedStructure 4D Spectral Gaussian Representation (4D-SG) is proposed that learns shared Gaussian geometry from full spectrum structural projections and uses a Gaussian-wise Spectral Density Curve Network (GSC-Net) to predict Gaussian raw density transformations.

Jiancheng Fang, Shao-Yu Wang, Wenjun Xia et al. · 0 citations