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Semantic communication significantly reduces required bandwidth by understanding semantic meaning of the transmitted. However, current deep learning-based semantic communication methods rely on joint source-channel coding design and…

Signal Processing · Electrical Eng. & Systems 2023-08-08 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Satellite communications face severe bottlenecks in supporting high-fidelity synchronized audiovisual services, as conventional schemes struggle with cross-modal coherence under fluctuating channel conditions, limited bandwidth, and long…

Image and Video Processing · Electrical Eng. & Systems 2026-03-12 Fangyu Liu , Peiwen Jiang , Wenjin Wang , Chao-Kai Wen , Xiao Li , Shi Jin

Semantic communication is recognized for its high compression efficiency and robust resistance to noise. However, utilizing a fixed transmission rate in environments with dynamic signal-to-noise ratios (SNR) often results in inefficient use…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Zhiye Sun , Shuai Ma , Shiyin Li

Most Neural Video Codecs (NVCs) only employ temporal references to generate temporal-only contexts and latent prior. These temporal-only NVCs fail to handle large motions or emerging objects due to limited contexts and misaligned latent…

Image and Video Processing · Electrical Eng. & Systems 2025-05-09 Yifan Bian , Chuanbo Tang , Li Li , Dong Liu

Recently, semantic communication has been investigated to boost the performance of end-to-end image transmission systems. However, existing semantic approaches are generally based on deep learning and belong to lossy transmission.…

Signal Processing · Electrical Eng. & Systems 2023-08-23 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu

Coping with the impact of dynamic channels is a critical issue in joint source-channel coding (JSCC)-based semantic communication systems. In this paper, we propose a lightweight channel-adaptive semantic coding architecture called…

Information Theory · Computer Science 2025-01-10 Hongwei Zhang , Meixia Tao

Diffusion-based Video Super-Resolution (VSR) is renowned for generating perceptually realistic videos, yet it grapples with maintaining detail consistency across frames due to stochastic fluctuations. The traditional approach of pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Qi Tang , Yao Zhao , Meiqin Liu , Chao Yao

Most video compression methods focus on human visual perception, neglecting semantic preservation. This leads to severe semantic loss during the compression, hampering downstream video analysis tasks. In this paper, we propose a Masked…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Yuan Tian , Xiaoyue Ling , Cong Geng , Qiang Hu , Guo Lu , Guangtao Zhai

Two-way real-time video communication in wireless networks requires high bandwidth, low delay and error resiliency. This paper addresses these demands by proposing a system with the integration of Network Coding (NC), user cooperation using…

Information Theory · Computer Science 2012-05-16 Xiaozhong Xu , Ozgu Alay , Elza Erkip , Yao Wang , Shivendra Panwar

By suppressing repeated content deliveries, wireless caching has the potential to substantially improve the energy efficiency (EE) of the fifth generation (5G) communication networks. In this paper, we propose two novel energy-efficient…

Signal Processing · Electrical Eng. & Systems 2018-05-31 Xuewei Zhang , Tiejun Lv , Wei Ni , John M. Cioffi , Norman C. Beaulieu , Y. Jay Guo

This paper investigates the adaptive bitrate (ABR) video semantic communication over wireless networks. In the considered model, video sensing devices must transmit video semantic information to an edge server, to facilitate ubiquitous…

Networking and Internet Architecture · Computer Science 2023-08-02 Wentao Gong , Haonan Tong , Sihua Wang , Zhaohui Yang , Xinxin He , Changchuan Yin

Semantic communication, recognized as a promising technology for future intelligent applications, has received widespread research attention. Despite the potential of semantic communication to enhance transmission reliability, especially in…

Information Theory · Computer Science 2023-12-05 Lingyi Wang , Wei Wu , Fuhui Zhou , Zhaohui Yang , Zhijin Qin

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

Emerging mobile virtual reality (VR) systems will require to continuously perform complex computer vision tasks on ultra-high-resolution video frames through the execution of deep neural networks (DNNs)-based algorithms. Since…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Khandaker Foysal Haque , Francesca Meneghello , Md. Ebtidaul Karim , Francesco Restuccia

Task-oriented semantic communications (TSC) enhance radio resource efficiency by transmitting task-relevant semantic information. However, current research often overlooks the inherent semantic distinctions among encoded features. Due to…

Information Theory · Computer Science 2024-05-02 Shuai Lyu , Yao Sun , Linke Guo , Xiaoyong Yuan , Fang Fang , Lan Zhang , Xianbin Wang

As three-dimensional acquisition technologies like LiDAR cameras advance, the need for efficient transmission of 3D point clouds is becoming increasingly important. In this paper, we present a novel semantic communication (SemCom) approach…

Emerging Technologies · Computer Science 2025-05-13 Shangzhuo Xie , Qianqian Yang , Yuyi Sun , Tianxiao Han , Zhaohui Yang , Zhiguo Shi

The growing demands of artificial intelligence and immersive media require communication beyond bit-level accuracy to meaning awareness. Conventional optical systems that focused on syntactic precision suffer significant inefficiencies.…

Obtaining high-resolution hyperspectral images (HR-HSI) is costly and data-intensive, making it necessary to fuse low-resolution hyperspectral images (LR-HSI) with high-resolution RGB images (HR-RGB) for practical applications. However,…

Image and Video Processing · Electrical Eng. & Systems 2025-03-25 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai , Nikolaos Pappas , Tony Quek

Efficient dissemination of videos is an important problem for mobile telecom carriers. In this paper, to facilitate massive video dissemination, we study joint caching and multicasting for multi-quality videos encoded using two video…

Information Theory · Computer Science 2019-02-05 Dongdong Jiang , Ying Cui

Semantic communication has undergone considerable evolution due to the recent rapid development of artificial intelligence (AI), significantly enhancing both communication robustness and efficiency. Despite these advancements, most current…

Image and Video Processing · Electrical Eng. & Systems 2024-05-24 Jiarun Ding , Peiwen Jiang , Chao-Kai Wen , Shi Jin
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