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Existing deep learning-enabled semantic communication systems often rely on shared background knowledge between the transmitter and receiver that includes empirical data and their associated semantic information. In practice, the semantic…

Information Theory · Computer Science 2022-10-19 Hongwei Zhang , Shuo Shao , Meixia Tao , Xiaoyan Bi , Khaled B. Letaief

Semantic communications, which focus on transmitting the semantic meaning of data, have been proposed as a novel paradigm for achieving efficient and relevant communication. Meanwhile, non-orthogonal multiple access (NOMA) enhances spectral…

Signal Processing · Electrical Eng. & Systems 2025-08-20 Ximing Xie , Fang Fang , Lan Zhang , Xianbin Wang

With the recent advancements in edge artificial intelligence (AI), future sixth-generation (6G) networks need to support new AI tasks such as classification and clustering apart from data recovery. Motivated by the success of deep learning,…

Networking and Internet Architecture · Computer Science 2023-04-06 Zhonghao Lyu , Guangxu Zhu , Jie Xu , Bo Ai , Shuguang Cui

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

Semantic communication focuses on conveying the task-relevant meaning rather than exact bitwise recovery. For image transmission with a generative receiver, relying only on text descriptions can be insufficient to preserve instance-specific…

Information Theory · Computer Science 2026-01-27 Xuesong Wang , Xinyan Xie , Mo Li , Zhaoqian Liu

Semantic communication systems introduce a new paradigm in wireless communications, focusing on transmitting the intended meaning rather than ensuring strict bit-level accuracy. These systems often rely on Deep Neural Networks (DNNs) to…

Infrared and visible image fusion aims to integrate complementary multi-modal information into a single fused result. However, existing methods 1) fail to account for the degradation visible images under adverse weather conditions, thereby…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jing Li , Yifan Wang , Jiafeng Yan , Renlong Zhang , Bin Yang

Semantic communication technology is regarded as a method surpassing the Shannon limit of bit transmission, capable of effectively enhancing transmission efficiency. However, current approaches that directly map content to transmission…

Signal Processing · Electrical Eng. & Systems 2025-11-12 Kaiwen Yu , Renhe Fan , Gang Wu , Zhijin Qin

This paper investigates the optimization of transmitting the encoder outputs, termed semantic features (SFs), in semantic communication (SC). We begin by modeling the entire communication process from the encoder output to the decoder…

Signal Processing · Electrical Eng. & Systems 2026-04-24 Yongjeong Oh , Jihong Park , Jinho Choi , Yo-Seb Jeon

For the difficulty and large computational complexity of modeling more frequency bands, full-band speech enhancement based on deep neural networks is still challenging. Previous studies usually adopt compressed full-band speech features in…

Sound · Computer Science 2022-08-02 Guochen Yu , Yuansheng Guan , Weixin Meng , Chengshi Zheng , Hui Wang

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

Infrared and visible image fusion plays a vital role in the field of computer vision. Previous approaches make efforts to design various fusion rules in the loss functions. However, these experimental designed fusion rules make the methods…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Yuhui Wu , Zhu Liu , Jinyuan Liu , Xin Fan , Risheng Liu

Semantic communications represent a new paradigm of next-generation networking that shifts bit-wise data delivery to conveying the semantic meanings for bandwidth efficiency. To effectively accommodate various potential downstream tasks at…

Computation and Language · Computer Science 2025-05-14 Fupei Guo , Achintha Wijesinghe , Songyang Zhang , Zhi Ding

Semantic communication, as a novel communication paradigm, has attracted the interest of many scholars, with multi-user, multi-input multi-output (MIMO) scenarios being one of the critical contexts. This paper presents a semantic…

Information Theory · Computer Science 2023-12-27 Haotai Liang , Zhicheng Bao , Wannian An , Chen Dong , Xiaodong Xu

Semantic communications are expected to accomplish various semantic tasks with relatively less spectrum resource by exploiting the semantic feature of source data. To simultaneously serve both the data transmission and semantic tasks, joint…

Information Theory · Computer Science 2023-08-15 Jianhao Huang , Dongxu Li , Chuan Huang , Xiaoqi Qin , Wei Zhang

Though achieving marvelous progress in various scenarios, existing semantic communication frameworks mainly consider single-input single-output Gaussian channels or Rayleigh fading channels, neglecting the widely-used multiple-input…

Information Theory · Computer Science 2024-06-12 Bingyan Xie , Yongpeng Wu , Yuxuan Shi , Wenjun Zhang , Shuguang Cui , Merouane Debbah

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

Semantic communication (SemCom) aims to convey the intended meaning of messages rather than merely transmitting bits, thereby offering greater efficiency and robustness, particularly in resource-constrained or noisy environments. In this…

Information Theory · Computer Science 2025-07-08 Chengyang Liang , Dong Li

Semantic communication is proposed and expected to improve the efficiency of massive data transmission over sixth generation (6G) networks. However, existing image semantic communication schemes are primarily focused on optimizing…

Multimedia · Computer Science 2025-06-09 Zehao Chen , Xinfeng Wei , Haonan Tong , Zhaohui Yang , Changchuan Yin

Semantic communication aims to convey meaning for effective task execution, but differing latent representations in AI-native devices can cause semantic mismatches that hinder mutual understanding. This paper introduces a novel approach to…

Information Theory · Computer Science 2026-02-20 Giuseppe Di Poce , Mario Edoardo Pandolfo , Emilio Calvanese Strinati , Paolo Di Lorenzo