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Different from data-oriented communication systems that primarily focus on how to accurately transmit every bit of data, task-oriented semantic communication systems only transmit the specific semantic information required by downstream…

Information Theory · Computer Science 2024-10-10 Wenbo Yu , Bin Chen , Qinshan Zhang , Shu-Tao Xia

We consider a signaling format where the information to be communicated from one or multiple transmitters to a receiver is modulated via a superposition of independent data streams. Each data stream is formed by error-correction encoding,…

Information Theory · Computer Science 2018-06-18 Dmitri Truhachev , Christian Schlegel

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

Task-oriented semantic communications have achieved significant performance gains. However, the employed deep neural networks in semantic communications have to be updated when the task is changed or multiple models need to be stored for…

Signal Processing · Electrical Eng. & Systems 2024-06-11 Guangyi Zhang , Qiyu Hu , Zhijin Qin , Yunlong Cai , Guanding Yu , Xiaoming Tao

Semantic communication is emerging as a promising paradigm that focuses on the extraction and transmission of semantic meanings using deep learning techniques. While current research primarily addresses the reduction of semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Hang Zhao , Hongru Li , Dongfang Xu , Shenghui Song , Khaled B. Letaief

Semantic communication is an emerging research area that has gained a wide range of attention recently. Despite this growing interest, there remains a notable absence of a comprehensive and widely-accepted framework for characterizing…

Information Theory · Computer Science 2025-09-03 Yulin Shao , Qi Cao , Deniz Gunduz

Recent advances in semantic communication (SC) have introduced neural network (NN)-based transceivers that convey semantic representation (SR) of signals such as images. However, these NNs are trained over diverse image distributions and…

Signal Processing · Electrical Eng. & Systems 2025-07-24 Hyelin Nam , Jihong Park , Jinho Choi , Seong-Lyun Kim

Semantic communication (SemComm) has emerged as a new communication paradigm. To enhance efficiency, multiple-input-multiple-output (MIMO) technology has been further integrated into SemComm systems. However, existing MIMO SemComm systems…

Signal Processing · Electrical Eng. & Systems 2025-09-05 Mingze Gong , Shuoyao Wang , Shijian Gao , Jia Yan , Suzhi Bi

Semantic communication, notable for ensuring quality of service by jointly optimizing source and channel coding, effectively extracts data semantics, reduces transmission length, and mitigates channel noise. However, most studies overlook…

Information Theory · Computer Science 2025-02-06 Loc X. Nguyen , Kitae Kim , Ye Lin Tun , Sheikh Salman Hassan , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

In this paper, the problem of semantic-based efficient image transmission is studied over the Internet of Vehicles (IoV). In the considered model, a vehicle shares massive amount of visual data perceived by its visual sensors to assist…

Networking and Internet Architecture · Computer Science 2022-10-12 Qiang Pan , Haonan Tong , Jie Lv , Tao Luo , Zhilong Zhang , Changchuan Yin , Jianfeng Li

Approximate message passing (AMP) is an algorithmic framework for solving linear inverse problems from noisy measurements, with exciting applications such as reconstructing images, audio, hyper spectral images, and various other signals,…

Information Theory · Computer Science 2017-02-13 Junan Zhu , Ryan Pilgrim , Dror Baron

This paper investigates a practical partially-connected hybrid beamforming transmitter for integrated sensing and communication (ISAC) with distortion from nonlinear power amplification. For this ISAC system, we formulate a communication…

Signal Processing · Electrical Eng. & Systems 2025-07-21 Zeyuan Zhang , Yue Xiu , Phee Lep Yeoh , Guangyi Liu , Zixing Wu , Ning Wei

Recent research in the design of end to end communication system using deep learning has produced models which can outperform traditional communication schemes. Most of these architectures leveraged autoencoders to design the encoder at the…

Information Theory · Computer Science 2020-01-28 Vishnu Raj , Sheetal Kalyani

Semantic-oriented communication has been considered as a promising to boost the bandwidth efficiency by only transmitting the semantics of the data. In this paper, we propose a multi-level semantic aware communication system for wireless…

Image and Video Processing · Electrical Eng. & Systems 2023-12-11 Zhenguo Zhang , Qianqian Yang , Shibo He , Mingyang Sun , Jiming Chen

In this paper, we propose a novel semantic-aided image communication framework for supporting the compatibility with practical separation-based coding architectures. Particularly, the deep learning (DL)-based joint source-channel coding…

Information Theory · Computer Science 2025-05-01 Mingkai Xu , Yongpeng Wu , Yuxuan Shi , Xiang-Gen Xia , Merouane Debbah , Wenjun Zhang , Ping Zhang

Semantic correspondence, the task of determining relationships between different parts of images, underpins various applications including 3D reconstruction, image-to-image translation, object tracking, and visual place recognition. Recent…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Frank Fundel , Johannes Schusterbauer , Vincent Tao Hu , Björn Ommer

Message passing has become the dominant framework in graph representation learning. The essential idea of the message-passing framework is to update node embeddings based on the information aggregated from local neighbours. However, most…

Machine Learning · Computer Science 2024-04-16 Haimin Zhang , Min Xu

If digital video data is transmitted over unreliable channels such as the internet or wireless terminals, the risk of severe image distortion due to transmission errors is ubiquitous. To cope with this, error concealment can be applied on…

Image and Video Processing · Electrical Eng. & Systems 2022-07-11 Jürgen Seiler , André Kaup

Recent advances of image-to-image translation focus on learning the one-to-many mapping from two aspects: multi-modal translation and multi-domain translation. However, the existing methods only consider one of the two perspectives, which…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Xiaoming Yu , Yuanqi Chen , Thomas Li , Shan Liu , Ge Li

In various learning-based image restoration tasks, such as image denoising and image super-resolution, the degradation representations were widely used to model the degradation process and handle complicated degradation patterns. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-15 Dasong Li , Yi Zhang , Ka Chun Cheung , Xiaogang Wang , Hongwei Qin , Hongsheng Li