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Jiayu Ding

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Preprint Sep 2026

Dyn-3D: Unveiling and Resolving Ego-Motion Ambiguity in Vision-Language Models

This work introduces Dyn-3D, a benchmark using counterfactual 3D rendering to rigorously decouple visual changes from true kinematic properties and proposes the TempoVista framework, featuring the Kinematic-GSPO algorithm.

Jiayu Ding, Zhuo-Dong Liu, Lei Zhang et al. · 0 citations
Preprint Aug 2026

CausalSplat: Towards Comprehensive Hierarchical Reasoning in 3D Gaussian Splatting

CausalSplat is a framework that integrates vision-language models with 3D scene graphs to disentangle explicit structural perception from implicit logical inference and achieves state of the art performance on reasoning benchmarks while showing strong generalizability on standard referring and open vocabulary 3D segmen...

Jiayu Ding, Meilu Song, Yun Chen et al. · 0 citations
Jul 2026

ZeroSplat: Generalized Referring Segmentation in 3D Gaussian Splatting

ZeroSplat lifts 2D Vision-Language Model priors into 3D space through robust multi-view geometric constraints and enables intrinsic point-level understanding without incurring any additional feature storage, and significantly outperforms state-of-the-art methods across generalized and single-target scenarios while main...

Jiayu Ding, Meilu Song, Xiaoyi Zhang et al. · 1 citation

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