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The Chinese University of Hong Kong(香港中文大学)

2026-04-23 至 2026-04-23 共收录 2
2604.20347 2026-04-23 cs.RO cs.AI

A Vision-Language-Action Model for Adaptive Ultrasound-Guided Needle Insertion and Needle Tracking

面向自适应超声引导针插入与针跟踪的视觉-语言-动作模型

Yuelin Zhang, Qingpeng Ding, Longxiang Tang, Chengyu Fang, Shing Shin Cheng

机构 * Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong(香港中文大学机械与自动化工程系) Department of Computer Science and Engineering, The Hong Kong University of Science and Technology(香港科学与技术大学计算机科学与工程系) Shenzhen International Graduate School, Tsinghua University(清华大学深圳国际研究生院) Department of Mechanical and Automation Engineering, T Stone Robotics Institute, Shun Hing Institute of Advanced Engineering, Multi-Scale Medical Robotics Center, and Institute of Medical Intelligence and XR, The Chinese University of Hong Kong(香港中文大学机械与自动化工程系、T Stone机器人研究所、Shun Hing先进工程研究所、多尺度医疗机器人中心以及医学智能与XR研究所)

AI总结 本文提出视觉-语言-动作模型,用于实现自适应超声引导针插入与跟踪,通过跨深度融合和跟踪条件化注册提升跟踪精度与插入成功率。

Comments Accepted by ICRA 2026

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2507.16433 2026-04-23 stat.ME cs.LG

Adaptive Multi-task Learning for Multi-sector Portfolio Optimization

自适应多任务学习用于多行业投资组合优化

Qingliang Fan, Ruike Wu, Yanrong Yang

机构 * Department of Economics, The Chinese University of Hong Kong(香港中文大学经济系) School of Economics, Shanghai University of Finance and Economics(上海财经大学经济学院) School of Economics, Shanghai University of Finance and Economics Key Laboratory of Mathematical Economics (SUFE), Ministry of Education(上海财经大学数学经济学重点实验室(SUFE)) College of Business and Economics, The Australian National University(澳大利亚国立大学商学院)

AI总结 本文提出自适应多任务学习方法,用于提升多行业投资组合优化中多个因素模型的联合估计,通过量化不同行业主时间子空间的相关性,提高模型精度和优化效果。

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