Author

Haoran Xie

3 papers indexed here

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Preprint Sep 2026

World2Motion: Turning Video World Models into 3D Human Motion Generators

We present World2Motion, a framework that generates scene-aware 3D human motion and corresponding video from a single image and a text prompt. While existing 3D motion generators learn from motion datasets, their generalization is constrained by limited coverage of environments. In contrast, video world models such as...

Fang-Yuan Tu, Xiang-Yue Zhang, Yi-Yi Cai et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Seeing is not Enough: Vision-Language Models Perceive Evidence but Fail to Act

Vision-language models (VLMs) perform strongly on visual question answering benchmarks, yet often make decisions that contradict visual evidence they have already identified correctly. We distinguish perceptual failure, where relevant evidence is not recognized, from process failure, where recognized evidence fails to...

Yu-Yang Dai, Bo-Fei Huang, Hong-Bo Zhang et al. · 0 citations

Jul 2026

SkelGen4D: Weakly-Supervised Skeleton-Based 4D Generation for Text-Driven Mesh Animation

The results show that the proposed SkelGen4D weakly supervised skeleton modeling matches or surpasses fully supervised baselines while scaling to diverse object categories for high-quality text-driven mesh animation.

Hao Feng, Zhi Zuo, Jia-Hui Pan et al. · arXiv.org · 2 citations