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Deep learning (DL) based semantic communication methods have been explored for the efficient transmission of images, text, and speech in recent years. In contrast to traditional wireless communication methods that focus on the transmission…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-08 Tianxiao Han , Qianqian Yang , Zhiguo Shi , Shibo He , Zhaoyang Zhang

Efficient video transmission is essential for seamless communication and collaboration within the visually-driven digital landscape. To achieve low latency and high-quality video transmission over a bandwidth-constrained noisy wireless…

Image and Video Processing · Electrical Eng. & Systems 2025-03-03 Nan Li , Yansha Deng , Dusit Niyato

Scene parsing is a great challenge for real-time semantic segmentation. Although traditional semantic segmentation networks have made remarkable leap-forwards in semantic accuracy, the performance of inference speed is unsatisfactory.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Zhengbin Zhang , Zhenhao Xu , Xingsheng Gu , Juan Xiong

LiDAR-based semantic segmentation is critical in the fields of robotics and autonomous driving as it provides a comprehensive understanding of the scene. This paper proposes a lightweight and efficient projection-based semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Ben Ding

Semantic communication, rather than on a bit-by-bit recovery of the transmitted messages, focuses on the meaning and the goal of the communication itself. In this paper, we propose a novel semantic image coding scheme that preserves the…

Information Theory · Computer Science 2024-02-23 Francesco Pezone , Osman Musa , Giuseppe Caire , Sergio Barbarossa

With the proliferation of Internet of Things (IoT) devices, ensuring secure communications has become imperative. Due to their low cost and embedded nature, many of these devices operate with computational and energy constraints, neglecting…

Cryptography and Security · Computer Science 2025-06-26 José Cecílio , Alan Oliveira de Sá , André Souto

Ubiquitous image transmission in emerging applications brings huge overheads to limited wireless resources. Since that text has the characteristic of conveying a large amount of information with very little data, the transmission of the…

Multimedia · Computer Science 2024-09-26 Xinfeng Wei , Haonan Tong , Nuocheng Yang , Changchuan Yin

Millimeter-wave (mmWave) and terahertz (THz) communication systems require large antenna arrays and use narrow directive beams to ensure sufficient receive signal power. However, selecting the optimal beams for these large antenna arrays…

Information Theory · Computer Science 2024-02-23 Shoaib Imran , Gouranga Charan , Ahmed Alkhateeb

Visible light communication (VLC) is emerging as a key technology for future wireless communication systems due to its unique physical-layer advantages over traditional radio-frequency (RF)-based systems. However, its integration with…

Information Theory · Computer Science 2026-01-22 Zhouxiang Zhao , Zhaohui Yang , Chen Zhu , Xin Tong , Zhaoyang Zhang

Conventional image compression methods typically aim at pixel-level consistency while ignoring the performance of downstream AI tasks.To solve this problem, this paper proposes a Semantic-Assisted Image Compression method (SAIC), which can…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Qizheng Sun , Caili Guo , Yang Yang , Jiujiu Chen , Xijun Xue

The rapid development of low-altitude economy has driven the proliferation of Unmanned Aerial Vehicle (UAV) applications, including logistics, inspection, and emergency response. However, transmitting high-volume image data from UAVs to…

Image and Video Processing · Electrical Eng. & Systems 2026-05-14 Kexin Zhang , Lixin Li , Yuna Yan , Xin Zhang , Wensheng Lin , Rui Li , Dongwei Zhao , Zhu Han

As one novel approach to realize end-to-end wireless image semantic transmission, deep learning-based joint source-channel coding (deep JSCC) method is emerging in both deep learning and communication communities. However, current deep JSCC…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Jun Wang , Sixian Wang , Jincheng Dai , Zhongwei Si , Dekun Zhou , Kai Niu

The rapid development of artificial intelligence has driven smart health with next-generation wireless communication technologies, stimulating exciting applications in remote diagnosis and intervention. To enable a timely and effective…

Machine Learning · Computer Science 2025-08-04 Fupei Guo , Hao Zheng , Xiang Zhang , Li Chen , Yue Wang , Songyang Zhang

As a new communication paradigm, semantic communication has received widespread attention in communication fields. However, since the decoding of semantic signals relies on contextual knowledge, misalignment between the starting position of…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Xiaoyi Liu , Haotai Liang , Chen Dong , Xiaodong Xu

In this work, we expand the cooperative multi-task semantic communication framework (CMT-SemCom) introduced in [1], which divides the semantic encoder on the transmitter side into a common unit (CU) and multiple specific units (SUs), to a…

Signal Processing · Electrical Eng. & Systems 2026-01-27 Ahmad Halimi Razlighi , Carsten Bockelmann , Armin Dekorsy

This paper presents a new optical integrated sensing and communication (O-ISAC) framework tailored for cost-effective Light-Emitting Diode (LED) for enhanced Internet of Things (IoT) applications. Unlike prior research on ISAC, which…

Information Theory · Computer Science 2024-09-10 Runxin Zhang , Yulin Shao , Menghan Li , Lu Lu , Yonina C. Eldar

With the increasing number and enhanced capabilities of IoT devices in smart buildings, these devices are evolving beyond basic data collection and control to actively participate in deep learning tasks. Federated Learning (FL), as a…

Machine Learning · Computer Science 2025-04-15 Heqiang Wang , Xiang Liu , Yucheng Liu , Jia Zhou , Weihong Yang , Xiaoxiong Zhong

Automatic identification of script is an essential component of a multilingual OCR engine. In this paper, we present an efficient, lightweight, real-time and on-device spatial attention based CNN-LSTM network for scene text script…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Rutika Moharir , Arun D Prabhu , Sukumar Moharana , Gopi Ramena , Rachit S Munjal

Digital mapping of semantic features is essential for achieving interoperability between semantic communication and practical digital infrastructure. However, current research efforts predominantly concentrate on analog semantic…

Information Theory · Computer Science 2026-02-18 Jianqiao Chen , Nan Ma , Xiaodong Xu , Tingting Zhu , Huishi Song , Chen Dong , Wenkai Liu , Rui Meng , Ping Zhang

We propose a real-time context-aware learning system along with the architecture that runs on the mobile devices, provide services to the user and manage the IoT devices. In this system, an application running on mobile devices collected…

Machine Learning · Computer Science 2018-10-29 Bhaskar Das , Jalal Almhana