الباحثون

Xinyu Liu

المنشورات 6

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See, Measure, and Reason: Learning Visually Grounded Reasoning in Pathology

Chengyang Zhang, Wenchuan Zhang, Bo Li وآخرون · 2026

Pathological assessment relies on recognizing fine-grained visual details in histological images. Vision-language models (VLMs) increasingly support pathology interpretation, yet their ability to perceive these details remains inadequate. This weakness leads to inaccurate cellular observations that can persist even whe …

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Imagine then Verify: Affordance-Targeted Active Perception for Task-Oriented Grasping in Cluttered Scenes

Jingzhi Cui, Xuefeng Liu, Feng Han وآخرون · 2026

Task-oriented grasping (TOG) requires robots to grasp functional parts of objects (e.g., the handle of a mug for pouring), yet these affordance regions are frequently occluded in cluttered scenes. Active perception via next-best-view (NBV) planning can resolve such occlusions by moving the camera for more informative o …

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Potential-Field Action Representation for Reinforcement Learning in Contact-Rich Manipulation

Model-free reinforcement learning can acquire contact-rich robotic manipulation skills through trial-and-error interaction, but it often requires the policy to learn both task strategy and low-level motion generation. In this setting, the action representation is critical because it determines how policy outputs are co …

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