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Semantic communication (SemCom) systems aim to learn the mapping from low-dimensional semantics to high-dimensional ground-truth. While this is more akin to a "domain translation" problem, existing frameworks typically emphasize on…

Machine Learning · Computer Science 2025-09-29 Mehdi Letafati , Samad Ali , Matti Latva-aho

Semantic segmentation involves assigning a specific category to each pixel in an image. While Vision Transformer-based models have made significant progress, current semantic segmentation methods often struggle with precise predictions in…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Guoan Xu , Wenfeng Huang , Tao Wu , Ligeng Chen , Wenjing Jia , Guangwei Gao , Xiatian Zhu , Stuart Perry

New types of machine learning hardware in development and entering the market hold the promise of revolutionizing deep learning in a manner as profound as GPUs. However, existing software frameworks and training algorithms for deep learning…

Generative foundation models can revolutionize the design of semantic communication (SemCom) systems allowing high fidelity exchange of semantic information at ultra low rates. In this work, a generative SemCom framework with pretrained…

Signal Processing · Electrical Eng. & Systems 2025-01-15 Chunmei Xu , Mahdi Boloursaz Mashhadi , Yi Ma , Rahim Tafazolli , Jiangzhou Wang

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

Multiple access (MA) design is investigated for facilitating the coexistence of the emerging semantic transmission and the conventional bit-based transmission in future networks. The semantic rate is considered for measuring the performance…

Information Theory · Computer Science 2024-02-22 Xidong Mu , Yuanwei Liu , Li Guo , Naofal Al-Dhahir

Semantic communication (SemCom) emerges as a transformative paradigm for traffic-intensive visual data transmission, shifting focus from raw data to meaningful content transmission and relieving the increasing pressure on communication…

Image and Video Processing · Electrical Eng. & Systems 2026-02-02 Runze Cheng , Yao Sun , Ahmad Taha , Xuesong Liu , David Flynn , Muhammad Ali Imran

With the rapid growth of intelligent services, communication targets are shifting from humans to artificial intelligent (AI) agents, which require new paradigms to enable real-time perception, decision-making, and collaboration. Semantic…

Artificial Intelligence · Computer Science 2025-10-02 Kaiwen Yu , Mengying Sun , Zhijin Qin , Xiaodong Xu , Ping Yang , Yue Xiao , Gang Wu

Semantic communications represent a significant breakthrough with respect to the current communication paradigm, as they focus on recovering the meaning behind the transmitted sequence of symbols, rather than the symbols themselves. In…

Signal Processing · Electrical Eng. & Systems 2023-09-06 S. Barbarossa , D. Comminiello , E. Grassucci , F. Pezone , S. Sardellitti , P. Di Lorenzo

Semantic communications have been utilized to execute numerous intelligent tasks by transmitting task-related semantic information instead of bits. In this article, we propose a semantic-aware speech-to-text transmission system for the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-08 Zhenzi Weng , Zhijin Qin , Huiqiang Xie , Xiaoming Tao , Khaled B. Letaief

Semantic Communication (SemCom) is a promising new paradigm for next-generation communication systems, emphasizing the transmission of core information, particularly in environments characterized by uncertainty, noise, and bandwidth…

Information Theory · Computer Science 2025-02-25 Feibo Jiang , Siwei Tu , Li Dong , Kezhi Wang , Kun Yang , Ruiqi Liu , Cunhua Pan , Jiangzhou Wang

A latent denoising semantic communication (SemCom) framework is proposed for robust image transmission over noisy channels. By incorporating a learnable latent denoiser into the receiver, the received signals are preprocessed to effectively…

Machine Learning · Computer Science 2025-05-19 Mingkai Xu , Yongpeng Wu , Yuxuan Shi , Xiang-Gen Xia , Wenjun Zhang , Ping Zhang

The traditional SegNet architecture commonly encounters significant information loss during the sampling process, which detrimentally affects its accuracy in image semantic segmentation tasks. To counter this challenge, we introduce an…

Image and Video Processing · Electrical Eng. & Systems 2024-06-05 Zijun Gao , Qi Wang , Taiyuan Mei , Xiaohan Cheng , Yun Zi , Haowei Yang

We consider a semantic communication system for speech signals, named DeepSC-S. Motivated by the breakthroughs in deep learning (DL), we make an effort to recover the transmitted speech signals in the semantic communication systems, which…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-09 Zhenzi Weng , Zhijin Qin , Geoffrey Ye Li

At the confluence of 6G, deep learning (DL), and natural language processing (NLP), DL-enabled text semantic communication (SemCom) has emerged as a 6G enabler since it minimizes bandwidth consumption, transmission delay, and power usage.…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Tilahun M. Getu , Georges Kaddoum , Mehdi Bennis

Segment Anything Model (SAM) exhibits remarkable zero-shot segmentation capability; however, its prohibitive computational costs make edge deployment challenging. Although post-training quantization (PTQ) offers a promising compression…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Jing Zhang , Zhikai Li , Chengzhi Hu , Xuewen Liu , Qingyi Gu

The primary challenge in autonomous lunar landing missions lies in the unreliable local control system, which has limited capacity to handle high-dynamic conditions, severely affecting landing precision and safety. Recent advancements in…

Networking and Internet Architecture · Computer Science 2025-10-22 Fangzhou Zhao , Yao Sun , Jianglin Lan , Muhammad Ali Imran

Semantic broadcast communications (Semantic BC) for image transmission have achieved significant performance gains for single-task scenarios. Nevertheless, extending these methods to multi-task scenarios remains challenging, as different…

Signal Processing · Electrical Eng. & Systems 2025-04-29 Zhilin Lu , Rongpeng Li , Zhifeng Zhao , Honggang Zhang

Semantic communications focus on prioritizing the understanding of the meaning behind transmitted data and ensuring the successful completion of tasks that motivate the exchange of information. However, when devices rely on different…

Machine Learning · Computer Science 2025-07-25 Mario Edoardo Pandolfo , Simone Fiorellino , Emilio Calvanese Strinati , Paolo Di Lorenzo

This paper investigates how semantic communication can effectively influence and potentially redefine the limitations imposed by physical layer settings. Reconfigurable Intelligent Surfaces (RIS) enable the intelligent configuration of the…

Signal Processing · Electrical Eng. & Systems 2025-03-17 Nour Hello , Mattia Merluzzi , Emilio Calvanese Strinati , Luca Sanguinetti