Author

Yufei Zhang

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Preprint Aug 2026

GaussianDS: Depth-supervised Semantic Gaussian Splatting for Scene Understanding

GaussianDS, a depth-supervised semantic 3DGS framework that treats semantic lifting as a supervision-alignment problem and jointly optimizes RGB appearance, rendered depth, and compact semantics from scratch, is proposed.

Yu-Fei Zhang, Chen-Lu Zhan, Hong-Wei Wang · 0 citations

Preprint Aug 2026

When Visual Signals Mislead: A Mechanistic Study of Attribute Hallucination in Vision-Language Models

Attribute hallucination---where vision-language models (VLMs) correctly identify an object but mischaracterize its properties---is prevalent yet mechanistically poorly understood. The dominant explanation, language-prior dominance, has motivated prior-suppression methods, but this explanation has not been directly test...

Yufei Zhang, Chenlu Zhan, Hongwei Wang · 0 citations