Author

You-Yuan Liu

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Open access Jul 2026

Error-Bounded Point Cloud Compression Using Truncated Octahedron Quantization

XnYZip is introduced, an error-bounded lossy compressor based on provably optimal Truncated Octahedron quantization, combined with a locality-aware encoding pipeline using space-filling curves and run-length encoding, to develop a theory of point cloud compressibility for dense data.

You-Yuan Liu, Longtao Zhang, Ruoyu Li et al. · Proceedings of the VLDB Endo... · 0 citations

Preprint Aug 2026

TOPIQ: Statistical Error Propagation for Quantity-of-Interest Prediction under Lossy Compression

TOPIQ is presented, a statistical error-propagation framework that predicts QoI-level bias and uncertainty from compact compression metadata (less than 0.1% of original data) and decomposes QoIs into primitive operators with closed-form propagation rules accounting for spatial error correlation and data-error coupling.

You-Yuan Liu, Bo Jiang, Taolue Yang et al. · 0 citations

Jul 2026

3D Gaussian Splatting for Scientific Particle Data Compression and Rendering

ParticleGS is a visualization-aware framework based on 3D Gaussian Splatting (3DGS) that learns a compact representation directly optimized for rendered image quality, combining a multi-stage, multi-orbit training pipeline and a lightweight network that adapts a single trained model to user-specified visualization para...

Bo Jiang, You-Yuan Liu, Taolue Yang et al. · arXiv.org · 1 citation