Author

Bi-Han Wen

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Preprint Sep 2026

GameDirector: Decoupling Gameplay Logic from Rendering for Player-Configurable Game World Models

Recent game world models support realistic visual simulation and interactive gameplay based on player inputs. However, they typically learn environment dynamics from pixel-level supervision, jointly modeling perception, memory, state transitions, and rendering within a single end-to-end framework. While this design ena...

Zi-Jun Lin, Zhi-Yang Deng, Yu-Zhe Wu et al. · 0 citations

#machine learning Preprint Oct 2026

Readout Blindness: VLM Scores Miss the Spatial Direction Their Frozen Encoders Retain

CLIP-like vision-language models remain a cornerstone of multimodal systems, yet their scores stay near chance on directed spatial relations, such as whether one object is left of another. We call this failure readout blindness and analyze, theoretically and empirically, why deployed scores miss the direction: when sco...

Guang-Yuan Li, Tian-Ming Du, Yan Jiang et al. · 0 citations

#small language model Preprint Aug 2026

Video-OPSD: Exploiting Privileged Visual Evidence for On-Policy Self-Distillation in Video Large Language Models

Experiments across video understanding and reasoning benchmarks show that the Evidence-Grounded Self-Teacher framework consistently improves upon Standard OPSD across multiple backbones and achieves performance comparable to GRPO while requiring substantially less training time, establishing an effective and efficient...

Zi-Yue Wang, Shiqi Huang, Wei-Wen Xu et al. · 0 citations