Author

Ligen Shi

3 papers indexed here

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2026

Multiresolution Infrared and Visible Image Fusion via Implicit Neural Representations

Dual-spectral measurement instruments integrate complementary thermal radiation and textural information, thereby alleviating the information acquisition limitations of single-modality sensors. Due to detector manufacturing constraints and hardware cost, the infrared sensors usually provide lower spatial sampling rates...

Shu-Chen Sun, Li-Gen Shi, Jun Qiu et al. · IEEE Transactions on Instrum... · 0 citations

Preprint Aug 2026

Fast Implicit Neural Light Field Representation via Geometric Decomposition and Multi-Resolution Low-Rank Features

Implicit neural representations provide a compact and continuous way to reconstruct dense light fields from sampled ray coordinates. However, fast light field reconstruction remains challenging because a light field is a high-dimensional signal with strong spatial-angular redundancy and structured disparity variations....

Yaowei Guo, Li-Gen Shi, Shu-Chen Sun et al. · 0 citations

Preprint Jul 2026

Joint-decoupled iterative CBCT reconstruction with hybrid scatter estimation and voxel-adaptive beam hardening correction

Cone-beam computed tomography (CBCT) is fundamentally challenged by scatter and beam hardening artifacts, which originate from X-ray scattering and the polychromatic nature of the X-ray spectrum, respectively. These two types of artifacts are intricately coupled in reconstructed images and manifest with similar streaki...

Jianing Sun, J. Létang, Qixiang Sun et al. · 0 citations