The University of Hong Kong（香港大学）

2504.18020 2025-04-28 cs.CV

Federated Client-tailored Adapter for Medical Image Segmentation

Guyue Hu, Siyuan Song, Yukun Kang, Zhu Yin, Gangming Zhao, Chenglong Li, Jin Tang

机构 * Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education（教育部智能计算与信号处理重点实验室）； Anhui Provincial Key Laboratory of Security Artificial Intelligence（安徽省安全人工智能重点实验室）； School of Artificial Intelligence, Anhui University（安徽大学人工智能学院）； School of Internet, Anhui University（安徽大学互联网学院）； Anhui Provincial Key Laboratory of Multimodal Cognitive Computation（安徽省多模态认知计算重点实验室）； School of Computer Science and Technology, Anhui University（安徽大学计算机科学与技术学院）； Department of Computer Science, The University of Hong Kong（香港大学计算机科学系）

2310.19380 2025-04-28 cs.CV

TransXNet: Learning Both Global and Local Dynamics with a Dual Dynamic Token Mixer for Visual Recognition

Meng Lou, Shu Zhang, Hong-Yu Zhou, Sibei Yang, Chuan Wu, Yizhou Yu

机构 * School of Computing and Data Science, The University of Hong Kong（计算与数据科学学院，香港大学）； AI Lab, Deepwise Healthcare（深睿医疗AI实验室）； Department of Biomedical Informatics, Harvard Medical School（生物医学信息学系，哈佛医学院）； Department of Computer Science, The University of Hong Kong（计算机科学系，香港大学）； School of Information Science and Technology, ShanghaiTech University（信息科学与技术学院，上海科技大学）

Comments Accepted by IEEE TNNLS

2504.17569 2025-04-25 cs.RO cs.SY eess.SY

Flying through cluttered and dynamic environments with LiDAR

Huajie Wu, Wenyi Liu, Yunfan Ren, Zheng Liu, Hairuo Wei, Fangcheng Zhu, Haotian Li, Fu Zhang

机构 * Department of Mechanical Engineering, University of Hong Kong（香港大学机械工程系）

2504.17528 2025-04-25 cs.LG cs.AI

TACO: Tackling Over-correction in Federated Learning with Tailored Adaptive Correction

Weijie Liu, Ziwei Zhan, Carlee Joe-Wong, Edith Ngai, Jingpu Duan, Deke Guo, Xu Chen, Xiaoxi Zhang

机构 * Sun Yat-sen University（中山大学）； The University of Hong Kong（香港大学）； Carnegie Mellon University（卡内基梅隆大学）； Pengcheng Laboratory（鹏城实验室）

Comments 11 pages, 7 figures, accepted by ICDCS 2025

2504.17343 2025-04-25 cs.CV

TimeChat-Online: 80% Visual Tokens are Naturally Redundant in Streaming Videos

Linli Yao, Yicheng Li, Yuancheng Wei, Lei Li, Shuhuai Ren, Yuanxin Liu, Kun Ouyang, Lean Wang, Shicheng Li, Sida Li, Lingpeng Kong, Qi Liu, Yuanxing Zhang, Xu Sun

机构 * Peking University（北京大学）； South China University of Technology（华南理工大学）； The University of Hong Kong（香港大学）； Kuaishou Technology（快手科技）

2408.03624 2025-04-25 cs.CV

AgentsCoMerge: Large Language Model Empowered Collaborative Decision Making for Ramp Merging

Senkang Hu, Zhengru Fang, Zihan Fang, Yiqin Deng, Xianhao Chen, Yuguang Fang, Sam Kwong

机构 * Hong Kong JC STEM Lab of Smart City（香港JC STEM实验室）； Department of Computer Science, City University of Hong Kong（城市大学计算机科学系）； Department of Electrical and Electronic Engineering, The University of Hong Kong（香港大学电子与电气工程系）； Department of Computing and Decision Sciences, Lingnan University（岭大计算机与决策科学系）

Comments Accepted by IEEE Transactions on Mobile Computing (TMC)

2504.16099 2025-04-24 eess.SP cs.AI cs.IT math.IT

Two-Timescale Joint Transmit and Pinching Beamforming for Pinching-Antenna Systems

Luyuan Zhang, Xidong Mu, An Liu, Yuanwei Liu

机构 * College of Information Science and Electronic Engineering, Zhejiang University（信息科学与电子工程学院，浙江大学）； Centre for Wireless Innovation (CWI), Queen’s University Belfast（无线创新中心（CWI），女王大学贝尔法斯特分校）； Department of Electrical and Electronic Engineering (EEE), The University of Hong Kong（电子与电气工程系（EEE），香港大学）

Comments 5 pages, 4 figures, letter

2411.05000 2025-04-24 cs.CL

Needle Threading: Can LLMs Follow Threads through Near-Million-Scale Haystacks?

Jonathan Roberts, Kai Han, Samuel Albanie

机构 * University of Cambridge（剑桥大学）； The University of Hong Kong（香港大学）

Comments Accepted at ICLR 2025

2411.18473 2025-04-23 cs.CV

HEMGS: A Hybrid Entropy Model for 3D Gaussian Splatting Data Compression

Lei Liu, Zhenghao Chen, Wei Jiang, Wei Wang, Dong Xu

机构 * The University of Hong Kong（香港大学）； The University of Newcastle（新castle大学）； Futurewei Technologies Inc.（未来科技公司）

2502.13055 2025-04-23 cs.CR cs.AI cs.LG

LAMD: Context-driven Android Malware Detection and Classification with LLMs

Xingzhi Qian, Xinran Zheng, Yiling He, Shuo Yang, Lorenzo Cavallaro

机构 * University College London（伦敦大学学院）； University of Hong Kong（香港大学）

Comments accepted by 2025 46th IEEE Symposium on Security and Privacy Workshops (SPW)

2504.14862 2025-04-22 cs.RO

FERMI: Flexible Radio Mapping with a Hybrid Propagation Model and Scalable Autonomous Data Collection

Yiming Luo, Yunfei Wang, Hongming Chen, Chengkai Wu, Ximin Lyu, Jinni Zhou, Jun Ma, Fu Zhang, Boyu Zhou

机构 * Southern University of Science and Technology（南方科技大学）； The University of Hong Kong（香港大学）； Hong Kong University of Science and Technology (Guangzhou)（香港科学理工大学（广州））； Sun Yat-Sen University（中山大学）

Comments Published at RSS 2025

2504.10842 2025-04-22 cs.CV eess.IV

A comprehensive review of remote sensing in wetland classification and mapping

Shuai Yuan, Xiangan Liang, Tianwu Lin, Shuang Chen, Rui Liu, Jie Wang, Hongsheng Zhang, Peng Gong

机构 * Department of Geography, The University of Hong Kong（地理系，香港大学）； Department of Earth System Science, Tsinghua University（地球系统科学系，清华大学）； Department of Electronics and Information Engineering, Harbin Institute of Technology (Shenzhen)（电子与信息工程系，哈尔滨工业大学（深圳））； Pengcheng Laboratory（鹏城实验室）

2503.19902 2025-04-22 cs.CV

ICE: Intrinsic Concept Extraction from a Single Image via Diffusion Models

Fernando Julio Cendra, Kai Han

机构 * Visual AI Lab, The University of Hong Kong（香港大学视觉人工智能实验室）

Comments CVPR 2025, Project page: https://visual-ai.github.io/ice

2412.07197 2025-04-22 cs.LG cs.AI cs.DC cs.NI

Hierarchical Split Federated Learning: Convergence Analysis and System Optimization

Zheng Lin, Wei Wei, Zhe Chen, Chan-Tong Lam, Xianhao Chen, Yue Gao, Jun Luo

机构 * Department of Electrical and Electronic Engineering, University of Hong Kong（香港大学电子与电气工程系）； Institute of Space Internet, Fudan University（复旦大学空间互联网研究所）； School of Computer Science, Fudan University（复旦大学计算机科学学院）； Faculty of Applied Sciences, Macao Polytechnic University（澳门理工学院应用科学系）； School of Computer Engineering, Nanyang Technological University（南洋理工大学计算机工程学院）

Comments 15 pages, 9 figures

2410.21676 2025-04-22 cs.LG cs.AI math.OC stat.ML

How Does Critical Batch Size Scale in Pre-training?

Hanlin Zhang, Depen Morwani, Nikhil Vyas, Jingfeng Wu, Difan Zou, Udaya Ghai, Dean Foster, Sham Kakade

机构 * Harvard University（哈佛大学）； Kempner Institute at Harvard University（哈佛大学凯普勒研究所）； University of California, Berkeley（加州大学伯克利分校）； The University of Hong Kong（香港大学）； Amazon（亚马逊公司）

Comments ICLR 2025, Blog post: https://kempnerinstitute.harvard.edu/research/deeper-learning/how-does-critical-batch-size-scale-in-pre-training-decoupling-data-and-model-size

2504.14178 2025-04-22 cs.CV

Segregation and Context Aggregation Network for Real-time Cloud Segmentation

Yijie Li, Hewei Wang, Jiayi Zhang, Jinjiang You, Jinfeng Xu, Puzhen Wu, Yunzhong Xiao, Soumyabrata Dev

机构 * Carnegie Mellon University（卡内基梅隆大学）； University of Nottingham（诺丁汉大学）； The University of Hong Kong（香港大学）； Cornell University（康奈尔大学）； University College Dublin（都柏林大学）

Comments 15 pages

2504.13882 2025-04-22 cs.HC cs.CL

Toward Automated Qualitative Analysis: Leveraging Large Language Models for Tutoring Dialogue Evaluation

Megan Gu, Chloe Qianhui Zhao, Claire Liu, Nikhil Patel, Jahnvi Shah, Jionghao Lin, Kenneth R. Koedinger

机构 * Carnegie Mellon University（卡内基梅隆大学）； The University of Hong Kong（香港大学）； Monash University（墨尔本大学）

Comments Manuscript accepted to the Workshop on "From Data to Discovery: LLMs for Qualitative Analysis in Education" at LAK25

2503.20519 2025-04-22 cs.CV

MAR-3D: Progressive Masked Auto-regressor for High-Resolution 3D Generation

Jinnan Chen, Lingting Zhu, Zeyu Hu, Shengju Qian, Yugang Chen, Xin Wang, Gim Hee Lee

机构 * National University of Singapore（新加坡国立大学）； The University of Hong Kong（香港大学）； LIGHTSPEED

Comments CVPR 2025 Highlight: https://jinnan-chen.github.io/projects/MAR-3D/

2502.08378 2025-04-22 cs.RO cs.AI cs.LG

Learning Humanoid Standing-up Control across Diverse Postures

Tao Huang, Junli Ren, Huayi Wang, Zirui Wang, Qingwei Ben, Muning Wen, Xiao Chen, Jianan Li, Jiangmiao Pang

机构 * Shanghai AI Laboratory（上海人工智能实验室）； Shanghai Jiao Tong University（上海交通大学）； The University of Hong Kong（香港大学）； Zhejiang University（浙江大学）； The Chinese University of Hong Kong（香港中文大学）