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Semantic communication is expected to be one of the cores of next-generation AI-based communications. One of the possibilities offered by semantic communication is the capability to regenerate, at the destination side, images or videos…

Artificial Intelligence · Computer Science 2026-05-18 Eleonora Grassucci , Sergio Barbarossa , Danilo Comminiello

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

Generative semantic communication (SemCom) harnesses pretrained generative priors to improve the perceptual quality of wireless image transmission. Existing generative SemCom receivers, however, rely on maximum a posteriori (MAP)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Shunpu Tang , Qianqian Yang

Semantic Communication (SC) is an emerging technology that has attracted much attention in the sixth-generation (6G) mobile communication systems. However, few literature has fully considered the perceptual quality of the reconstructed…

Image and Video Processing · Electrical Eng. & Systems 2024-10-04 Kexin Zhang , Lixin Li , Wensheng Lin , Yuna Yan , Wenchi Cheng , Zhu Han

Semantic communication (SemCom) enhances transmission efficiency by sending only task-relevant information compared to traditional methods. However, transmitting semantic-rich data over insecure or public channels poses security and privacy…

Image and Video Processing · Electrical Eng. & Systems 2024-05-16 Weixuan Chen , Shunpu Tang , Qianqian Yang

Semantic communication (SemCom) is accelerating its momentum to catch up with the massive increase in users' demands in both quantity and quality, with the assistance of advanced deep learning (DL) techniques. Specifically, SemCom can…

Information Theory · Computer Science 2026-05-11 Loc X. Nguyen , Phuong-Nam Tran , Trung Thanh Pham , Avi Deb Raha , Eui-Nam Huh , Zhu Han , Choong Seon Hong

Large Language Models (LLMs) demonstrate their reasoning ability through chain-of-thought (CoT) generation. However, LLM's autoregressive decoding may limit the ability to revisit and refine earlier tokens in a holistic manner, which can…

Machine Learning · Computer Science 2026-04-24 Haoqiang Kang , Yizhe Zhang , Nikki Lijing Kuang , Nicklas Majamaki , Navdeep Jaitly , Yi-An Ma , Lianhui Qin

Semantic communication (SemCom), as a typical paradigm of deep integration between artificial intelligence (AI) and communication technology, significantly improves communication efficiency and resource utilization efficiency. However, the…

Signal Processing · Electrical Eng. & Systems 2025-09-08 Zhidi Zhang , Rui Meng , Song Gao , Haixiao Gao , Xiaodong Xu

Modern Latent Diffusion Models (LDMs) typically operate in low-level Variational Autoencoder (VAE) latent spaces that are primarily optimized for pixel-level reconstruction. To unify vision generation and understanding, a burgeoning trend…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Shilong Zhang , He Zhang , Zhifei Zhang , Chongjian Ge , Shuchen Xue , Shaoteng Liu , Mengwei Ren , Soo Ye Kim , Yuqian Zhou , Qing Liu , Daniil Pakhomov , Kai Zhang , Zhe Lin , Ping Luo

This paper highlights vulnerabilities of deep learning-driven semantic communications to backdoor (Trojan) attacks. Semantic communications aims to convey a desired meaning while transferring information from a transmitter to its receiver.…

Cryptography and Security · Computer Science 2022-12-22 Yalin E. Sagduyu , Tugba Erpek , Sennur Ulukus , Aylin Yener

Low-Altitude Economy Networks (LAENets) have emerged as a critical communication paradigm for operation-critical and regulation-aware applications, where Unmanned Aerial Vehicles (UAVs) transmit task-related information under stringent…

Networking and Internet Architecture · Computer Science 2026-03-03 Yansheng Liu , Jinbo Wen , Kun Zhu , Yang Zhang , Jiawen Kang

Large Language Models (LLMs) are susceptible to generating harmful content when prompted with carefully crafted inputs, a vulnerability known as LLM jailbreaking. As LLMs become more powerful, studying jailbreak methods is critical to…

Computation and Language · Computer Science 2025-01-07 Hao Wang , Hao Li , Junda Zhu , Xinyuan Wang , Chengwei Pan , MinLie Huang , Lei Sha

Multimodal Large Language Models (MLLMs) are increasingly deployed in stateless systems, such as autonomous driving and robotics. This paper investigates a novel threat: Semantic-Aware Hijacking. We explore the feasibility of hijacking…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Changyue Li , Jiaying Li , Youliang Yuan , Jiaming He , Zhicong Huang , Pinjia He

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

This work designs a novel semantic communication (SemCom) framework for the next-generation wireless network to tackle the challenges of unnecessary transmission of vast amounts that cause high bandwidth consumption, more latency, and…

Networking and Internet Architecture · Computer Science 2023-10-16 Avi Deb Raha , Md. Shirajum Munir , Apurba Adhikary , Yu Qiao , Choong Seon Hong

Semantic communication has recently attracted significant interest from both industry and academia due to its potential to transform the existing data-focused communication architecture towards a more generally intelligent and goal-oriented…

Artificial Intelligence · Computer Science 2023-01-16 Yong Xiao , Zijian Sun , Guangming Shi , Dusit Niyato

The incorporation of Denoising Diffusion Models (DDMs) in the Text-to-Speech (TTS) domain is rising, providing great value in synthesizing high quality speech. Although they exhibit impressive audio quality, the extent of their semantic…

Sound · Computer Science 2024-06-05 Miri Varshavsky-Hassid , Roy Hirsch , Regev Cohen , Tomer Golany , Daniel Freedman , Ehud Rivlin

Semantic communication (SemCom) holds promise for reducing network resource consumption while achieving the communications goal. However, the computational overheads in jointly training semantic encoders and decoders-and the subsequent…

Image and Video Processing · Electrical Eng. & Systems 2023-09-07 Hongyang Du , Guangyuan Liu , Dusit Niyato , Jiayi Zhang , Jiawen Kang , Zehui Xiong , Bo Ai , Dong In Kim

Most multi-agent systems rely exclusively on autoregressive language models (ARMs) that are based on sequential generation. Although effective for fluent text, ARMs limit global reasoning and plan revision. On the other hand, Discrete…

Machine Learning · Computer Science 2026-03-11 Lina Berrayana , Ahmed Heakl , Abdullah Sohail , Thomas Hofmann , Salman Khan , Wei Chen

In the new paradigm of semantic communication (SC), the focus is on delivering meanings behind bits by extracting semantic information from raw data. Recent advances in data-to-text models facilitate language-oriented SC, particularly for…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Giordano Cicchetti , Eleonora Grassucci , Jihong Park , Jinho Choi , Sergio Barbarossa , Danilo Comminiello