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Zi-Wei Liu

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Preprint Aug 2026

HarnessEval-W: Agentifying the Evaluation of Visual Worlds

This work introduces HarnessEval-W, an agentified evaluation pipeline that brings the harness paradigm from the LLM ecosystem to world model benchmarking, and applies HarnessEval-W to 18 representative world models over 330 evaluation cases.

Wei-Liang Chen, Haowen Sun, Jun Gao et al. · 3 citations
#artificial intelligence Preprint Sep 2026

Learning Native Reflection in Unified Models with Interleaved Reinforcement Learning

UMM-Reflection is introduced, which applies reinforcement learning (RL) to complete reflection trajectories inside one unified model: sibling trajectories share one initial image, so the group-relative advantage compares reflection strategies, and one trajectory-level advantage updates both the reflection tokens and th...

Yi-Jia Fan, Zi-Qi Huang, Zhongang Cai et al. · 0 citations
#machine learning Preprint Aug 2026

VBVR-Pro: A Scalable and Verifiable Suite for Native Visual Reasoning

This work introduces VBVR-Pro, a closed-loop testbed that makes native visual reasoning through generation trainable, verifiable, optimizable, and experimentally controllable, and identifies recurring failure modes of the prevalent VLM-as-a-judge paradigm.

Junhua Xu, Rui-Si Wang, Fanyi Pu et al. · 7 citations
Preprint Jul 2026

Apple-$\pi$: Benchmarking Thinking with Video Towards Law-Grounded Physical Intelligence

Apple-PI is introduced, the first benchmark that anchors video-model evaluation explicitly in physical laws, and is positioned as a diagnostic foundation for guiding future video models toward world models with law-grounded physical intelligence.

Runmao Yao, Kairui Hu, Yukang Cao et al. · 1 citation

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