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Hongsong Wang

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#artificial intelligence Review Oct 2026

Getting Space Right: Agentic Rewards for Image Generation

Reinforcement learning (RL) is promising for spatial text-to-image generation, but existing work largely focuses on policy optimization, assuming accurate rewards and effective online rollouts. We observe in-domain gains with out-of-domain degradation, exposing two limitations: unreliable spatial rewards in open-world...

Xiao-Feng Tan, Jia-Xin Lin, Haobo Yuan et al. · 0 citations
Preprint Sep 2026

BiMoGen: Bidirectional Motion-Text Generation via Unified Masked Discrete Diffusion

Text-to-motion generation and motion-to-text captioning are two fundamental tasks in human motion modeling, both grounded in the same underlying motion-text correspondence. Existing unified approaches mostly rely on autoregressive modeling, which imposes a fixed generation order and is therefore poorly suited to the bi...

Wan-Jiang Weng, Yong-Liang Wu, Xiaofeng Tan et al. · 0 citations
Jul 2026

TransMem: Transforming Hidden States into Memory for Large Language Models

TransMem is proposed, a lightweight inference-time parametric memory module that transforms sparse historical hidden states from a frozen LLM backbone into reusable memory representations and introduces evidence-conditioned self-distillation to learn transferable memory utilization rather than task-specific knowledge.

Haodong Lei, Junming Liu, Yirong Chen et al. · 0 citations

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