RIS-Based On-the-Air Semantic Communications -- a Diffractional Deep Neural Network Approach

no code implementations • 1 Dec 2023 • Shuyi Chen, Yingzhe Hui, Yifan Qin, Yueyi Yuan, Weixiao Meng, Xuewen Luo, Hsiao-Hwa Chen

Semantic communication has gained significant attention recently due to its advantages in achieving higher transmission efficiency by focusing on semantic information instead of bit-level information.

Physical Layer Security Assisted Computation Offloading in Intelligently Connected Vehicle Networks

no code implementations • 25 Mar 2022 • Yiliang Liu, Wei Wang, Hsiao-Hwa Chen, Feng Lyu, Liangmin Wang, Weixiao Meng, Xuemin, Shen

In this paper, we propose a secure computation offloading scheme (SCOS) in intelligently connected vehicle (ICV) networks, aiming to minimize overall latency of computing via offloading part of computational tasks to nearby servers in small cell base stations (SBSs), while securing the information delivered during offloading and feedback phases via physical layer security.

Video-based Facial Micro-Expression Analysis: A Survey of Datasets, Features and Algorithms

no code implementations • 30 Jan 2022 • Xianye Ben, Yi Ren, Junping Zhang, Su-Jing Wang, Kidiyo Kpalma, Weixiao Meng, Yong-Jin Liu

Unlike the conventional facial expressions, micro-expressions are involuntary and transient facial expressions capable of revealing the genuine emotions that people attempt to hide.