Author

Tiancheng Chen

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Preprint Aug 2026

EndoMD-SLAM: Endoscopic Gaussian Splatting SLAM under Optical Degradation with Memory and Static-Transient Decomposition

Dense 3D reconstruction is critical for clinical endoscopic navigation and documentation. While Gaussian Splatting SLAM systems show promise in this domain, they fundamentally rely on strict multi-view photometric consistency. In routine procedures, this assumption is severely violated by intermittent optical degradati...

Nuo Chen, Kangqi Ni, Lu Liu et al. · 0 citations

Preprint Aug 2026

UniQuery4R: Unified 4D Scene Reconstruction from a Single Query

UniQuery4R is presented, a query-conditioned framework that encodes a multi-frame clip once and selects the source view, target view, and continuous source-image coordinate only at decoding time via source-to-target cross-attention, and introduces a direction-magnitude parameterization of scene flow with separate super...

Tiancheng Chen, Sheng Tang, Wenhua Jin et al. · 1 citation