Author

Qiegen Liu

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Preprint Jul 2026

K-space Gaussian Representation for Parallel MRI

The proposed K-space Gaussian Representation (KGR), the first explicit continuous representation formulated directly in the native k-space domain, suggests that explicit continuous parameterization of native k-space provides a principled framework for integrating continuous signal modeling with structured low-rank reconstruction.

Yu Guan, Mingyu Hu, Jiale Hu et al. · 0 citations

Preprint Jul 2026

High-dimensional Embedding Prior for Noisy K-space Domain MRIReconstruction

It is suggested that high-dimensional representation provides a general and model-agnostic mechanism for improving diffusion-based MRI reconstruction in noisy settings, offering a new perspective on robust k-space generative modeling for practical inverse problems.

Yu Guan, Tianjian Huang, Qinrong Cai et al. · 0 citations