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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

Image semantic communication (ISC) has garnered significant attention for its potential to achieve high efficiency in visual content transmission. However, existing ISC systems based on joint source-channel coding face challenges in…

Information Theory · Computer Science 2024-08-08 Xijun Wang , Dongshan Ye , Chenyuan Feng , Howard H. Yang , Xiang Chen , Tony Q. S. Quek

Generative image compression has recently shown impressive perceptual quality, but often suffers from semantic deviations caused by generative hallucinations at ultra-low bitrate (bpp < 0.05), limiting its reliable deployment in…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Kaile Wang , Lijun He , Haisheng Fu , Haixia Bi , Fan Li

Learning-based semantic communication (SemCom) has recently emerged as a promising paradigm for improving the transmission efficiency of wireless networks. However, existing methods typically rely on extensive end-to-end training, which is…

Information Theory · Computer Science 2026-03-19 Shunpu Tang , Qianqian Yang , Jihong Park , Zhaoyang Zhang , Kaibin Huang , Deniz Gunduz

Owe to the powerful generative priors, the pre-trained text-to-image (T2I) diffusion models have become increasingly popular in solving the real-world image super-resolution problem. However, as a consequence of the heavy quality…

Computer Vision and Pattern Recognition · Computer Science 2024-06-05 Rongyuan Wu , Tao Yang , Lingchen Sun , Zhengqiang Zhang , Shuai Li , Lei Zhang

While text-to-image (T2I) models can synthesize high-quality images, their performance degrades significantly when prompted with novel or out-of-distribution (OOD) entities due to inherent knowledge cutoffs. We introduce World-To-Image, a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Moo Hyun Son , Jintaek Oh , Sun Bin Mun , Jaechul Roh , Sehyun Choi

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

Text-to-image generation is conducted through Generative Adversarial Networks (GANs) or transformer models. However, the current challenge lies in accurately generating images based on textual descriptions, especially in scenarios where the…

Human-Computer Interaction · Computer Science 2024-01-10 Yang Li , Huaqiang Jiang , Yangkai Wu

Semantic communication has gained significant attention from researchers as a promising technique to replace conventional communication in the next generation of communication systems, primarily due to its ability to reduce communication…

Information Theory · Computer Science 2025-02-07 Loc X. Nguyen , Ye Lin Tun , Yan Kyaw Tun , Minh N. H. Nguyen , Chaoning Zhang , Zhu Han , Choong Seon Hong

In this letter, we propose a group-wise semantic splitting multiple access framework for multi-user semantic communication in downlink scenarios. The framework begins by applying a balanced clustering mechanism that groups users based on…

Signal Processing · Electrical Eng. & Systems 2025-12-01 Jungyeon Koh , Hyeonho Noh , Hyun Jong Yang

Generating images from natural language is one of the primary applications of recent conditional generative models. Besides testing our ability to model conditional, highly dimensional distributions, text to image synthesis has many…

Computer Vision and Pattern Recognition · Computer Science 2018-05-03 Cristian Bodnar

The rapid advancement of generative artificial intelligence has spurred innovative approaches to semantic communication, giving rise to a new paradigm known as generative semantic communication (GSC). The integration of flexible cross-modal…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Yiru Wang , Wanting Yang , Fangli Mou , Zehui Xiong , Zide Fan , Shiwen Mao , Tony Q. S. Quek

To reduce network traffic and support environments with limited resources, a method for transmitting images with minimal transmission data is required. Several machine learning-based image compression methods, which compress the data size…

Networking and Internet Architecture · Computer Science 2024-08-06 Eri Hosonuma , Taku Yamazaki , Takumi Miyoshi , Akihito Taya , Yuuki Nishiyama , Kaoru Sezaki

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

Visual generation grounded in Visual Foundation Model (VFM) representations offers a highly promising unified pathway for integrating visual understanding, perception, and generation. Despite this potential, training large-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Minglei Shi , Haolin Wang , Borui Zhang , Wenzhao Zheng , Bohan Zeng , Ziyang Yuan , Xiaoshi Wu , Yuanxing Zhang , Huan Yang , Xintao Wang , Pengfei Wan , Kun Gai , Jie Zhou , Jiwen Lu

This paper addresses the energy-saving problem for the downlink of heterogeneous networks, which aims at minimizing the total base stations (BSs) power consumption while each user's rate requirement is supported. The basic idea of this work…

Information Theory · Computer Science 2015-11-20 Pan Cao , Wenjia Liu , John S. Thompson , Chenyang Yang , Eduard A. Jorswieck

This paper investigates the secure resource allocation for a downlink integrated sensing and communication system with multiple legal users and potential eavesdroppers. In the considered model, the base station (BS) simultaneously transmits…

Information Theory · Computer Science 2024-01-31 Yinchao Yang , Mohammad Shikh-Bahaei , Zhaohui Yang , Chongwen Huang , Wei Xu , Zhaoyang Zhang

Recent advancements in generative artificial intelligence have introduced groundbreaking approaches to innovating next-generation semantic communication, which prioritizes conveying the meaning of a message rather than merely transmitting…

Artificial Intelligence · Computer Science 2025-05-19 Achintha Wijesinghe , Weiwei Wang , Suchinthaka Wanninayaka , Songyang Zhang , Zhi Ding

Recent advancements in diffusion models have made a significant breakthrough in generative modeling. The combination of the generative model and semantic communication (SemCom) enables high-fidelity semantic information exchange at…

Signal Processing · Electrical Eng. & Systems 2024-10-10 Chunmei Xu , Mahdi Boloursaz Mashhadi , Yi Ma , Rahim Tafazolli

Recently text-to-image models have gained widespread attention in the community due to their controllable and high-quality generation ability. However, the robustness of such models and their potential ethical issues have not been fully…

Cryptography and Security · Computer Science 2024-02-14 Shengfang Zhai , Weilong Wang , Jiajun Li , Yinpeng Dong , Hang Su , Qingni Shen