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Tao Han

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Learning Spatiotemporal Sensitivity in Video LLMs via Counterfactual Reinforcement Learning

This work proposes Counterfactual Relational Policy Optimization (CRPO), which explicitly trains Video LLMs to respond to controlled changes in the visual input, and introduces DyBench, a paired counterfactual benchmark with 3{,}014 videos and a strict pair-accuracy metric.

Da-Zhao Du, Jian Liu, Jia-Long Qin et al. · 1 citation

Unlocking the Potential of Asynchronous Federated Learning in Non-IID Edge Environments

Asynchronous Federated Learning (AFL) enhances the efficiency of edge collaborative learning systems by asynchronously aggregating client updates to prevent slowdowns from slow clients. However, in non-IID scenarios, such operations magnify uneven learning among various local data, degrading global model generalization...

Xiaoyi Pang, Yajie Zhou, Zhibo Wang et al. · 0 citations
Preprint Aug 2026

Temporally Grounded Compositional Camera Motion Understanding via Geometric Knowledge Distillation

This work introduces CamChoreo, a benchmark of 4,229 real single-shot clips with expert-annotated temporal segments, and proposes CamDistill, which distills the same geometric knowledge into lightweight camera tokens during training and removes the 3D model at inference.

Da-Zhao Du, Shiyan Du, Jian Liu et al. · 0 citations

Edge-Efficient Compositional Recognition via Disentangled Prompt Tuning of Frozen Vision-Language Models

This work proposes Progressively Disentangled and Recurrent Prompt Tuning (PDRPT), an edge-efficient framework that decouples object and state updates before joint refinement, suppresses traction force from highly-entangled prompts, and preserves alignment with the natural language space of CLIP.

Xiaocheng Lu, Chuan He, Ziming Liu et al. · 0 citations

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