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Jiaxuan Luo

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#artificial intelligence Preprint Oct 2026

Seeing, Maintaining, and Learning: The Evolution of Multimodal Agent Memory

Multimodal models and agents have emerged to enable AI systems to learn from and interact with the real world more like humans by integrating information across multiple modalities. However, enabling multimodal agents to continually acquire useful information from complex, heterogeneous multimodal data remains a signif...

Ming-Hao Guo, Qing-Yue Jiao, Xiu-Jin Liu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

CriticHack: Evaluating Visual Rewards Under Robot Policy Optimization

Learned visual reward models are increasingly used to optimize robot policies, yet a reward model can score an execution that acts on the wrong object as highly as one that completes the task. We show that optimizing such a reward can amplify these wrong-object failures while reward and task success both rise, so the s...

Jia-Xuan Luo, Xing-Guo Xu, Shan-Shan Wang et al. · 0 citations
Jul 2026

ExpertVerse: A General-Purpose Benchmark for Expert-Level Reasoning in Knowledge-Intensive Visual Synthesis

A tailored Bootstrapped Pareto Policy Optimization (BPPO) is proposed, which synergizes Bootstrapping Reward Rectification and Conflict-Aware Pareto Advantage Fusion (CPAF) and exposes critical reasoning deficits, highlighting imperative for knowledge-intensive benchmarks towards next-generation visual generation.

Yuan Wang, Yongchao Du, Mengting Chen et al. · 1 citation

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