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We propose joint transmission-recognition schemes for efficient inference at the wireless edge. Motivated by the surveillance applications with wireless cameras, we consider the person classification task over a wireless channel carried out…

Machine Learning · Computer Science 2020-11-04 Ezgi Ozyilkan , Mikolaj Jankowski

It has long been considered a significant problem to improve the visual quality of lossy image and video compression. Recent advances in computing power together with the availability of large training data sets has increased interest in…

Multimedia · Computer Science 2017-03-30 Aaditya Prakash , Nick Moran , Solomon Garber , Antonella DiLillo , James Storer

Among the current mainstream change detection networks, transformer is deficient in the ability to capture accurate low-level details, while convolutional neural network (CNN) is wanting in the capacity to understand global information and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Dalong Zheng , Zebin Wu , Jia Liu , Zhihui Wei

Semantic communications, aiming at ensuring the successful delivery of the meaning of information, are expected to be one of the potential techniques for the next generation communications. However, the knowledge forming and synchronizing…

Image and Video Processing · Electrical Eng. & Systems 2024-01-17 Yuan Zheng , Fengyu Wang , Wenjun Xu , Miao Pan , Ping Zhang

Deep Joint Source-Channel Coding (Deep-JSCC) has emerged as a promising semantic communication approach for wireless image transmission by jointly optimizing source and channel coding using deep learning techniques. However, traditional…

Networking and Internet Architecture · Computer Science 2025-07-29 Avi Deb Raha , Apurba Adhikary , Mrityunjoy Gain , Yumin Park , Walid Saad , Choong Seon Hong

Deep convolutional neural networks (CNNs) for image denoising can effectively exploit rich hierarchical features and have achieved great success. However, many deep CNN-based denoising models equally utilize the hierarchical features of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Wencong Wu , An Ge , Guannan Lv , Yuelong Xia , Yungang Zhang , Wen Xiong

Automated medical image captioning translates complex radiological images into diagnostic narratives that can support reporting workflows. We present a Swin-BART encoder-decoder system with a lightweight regional attention module that…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Zubia Naz , Farhan Asghar , Muhammad Ishfaq Hussain , Yahya Hadadi , Muhammad Aasim Rafique , Wookjin Choi , Moongu Jeon

Wireless signal recognition (WSR) is crucial in modern and future wireless communication networks since it aims to identify properties of the received signal. Although many deep learning-based WSR models have been developed, they still rely…

Signal Processing · Electrical Eng. & Systems 2024-04-04 Hao Zhang , Fuhui Zhou , Qihui Wu , Naofal Al-Dhahir

Objective: Ultrasound Shear Wave Elastography (SWE) demonstrates great potential in assessing soft-tissue pathology by mapping tissue stiffness, which is linked to malignancy. Traditional SWE methods have shown promise in estimating tissue…

Image and Video Processing · Electrical Eng. & Systems 2025-05-27 Ahsan Habib Akash , MD Jahin Alam , Md. Kamrul Hasan

U-Net is widely used in medical image segmentation due to its simple and flexible architecture design. To address the challenges of scale and complexity in medical tasks, several variants of U-Net have been proposed. In particular, methods…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Weibin Yang , Zhiqi Dong , Mingyuan Xu , Longwei Xu , Dehua Geng , Yusong Li , Pengwei Wang

Portable, low-field Magnetic Resonance Imaging (MRI) scanners are increasingly being deployed in clinical settings. However, key barriers to their widespread use include low signal-to-noise ratio (SNR), generally low image quality, and long…

Joint source-channel coding (JSCC) is a promising paradigm for next-generation communication systems, particularly in challenging transmission environments. In this paper, we propose a novel standard-compatible JSCC framework for the…

Information Theory · Computer Science 2025-01-07 Xue Han , Yongpeng Wu , Zhen Gao , Biqian Feng , Yuxuan Shi , Deniz Gündüz , Wenjun Zhang

Semantic communication (SemCom) demonstrates strong superiority over conventional bit-level accurate transmission, by only attempting to recover the essential semantic information of data. In this paper, in order to tackle the…

Information Theory · Computer Science 2023-10-02 Siyu Tong , Xiaoxue Yu , Rongpeng Li , Kun Lu , Zhifeng Zhao , Honggang Zhang

In recent developments, deep learning (DL)-based joint source-channel coding (JSCC) for wireless image transmission has made significant strides in performance enhancement. Nonetheless, the majority of existing DL-based JSCC methods are…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Junyu Pan , Hanlei Li , Guangyi Zhang , Yunlong Cai , Guanding Yu

Deep learning (DL)-based joint source-channel coding (JSCC) methods have achieved remarkable success in wireless image transmission. However, these methods either focus on conventional distortion metrics that do not necessarily yield high…

Image and Video Processing · Electrical Eng. & Systems 2026-02-27 Ming Ye , Kui Cai , Cunhua Pan , Zhen Mei , Wanting Yang , Chunguo Li

Semantic communications are expected to become the core new paradigms of the sixth generation (6G) wireless networks. Most existing works implicitly utilize channel information for codecs training, which leads to poor communications when…

Information Theory · Computer Science 2023-12-07 Lan Lin , Wenjun Xu , Fengyu Wang , Yimeng Zhang , Wei Zhang , Ping Zhang

Semantic communications have gained significant attention as a promising approach to address the transmission bottleneck, especially with the continuous development of 6G techniques. Distinct from the well investigated physical channel…

Signal Processing · Electrical Eng. & Systems 2024-03-15 Xiang Peng , Zhijin Qin , Xiaoming Tao , Jianhua Lu , Khaled B. Letaief

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

Existing deep learning-enabled semantic communication systems often rely on shared background knowledge between the transmitter and receiver that includes empirical data and their associated semantic information. In practice, the semantic…

Information Theory · Computer Science 2022-10-19 Hongwei Zhang , Shuo Shao , Meixia Tao , Xiaoyan Bi , Khaled B. Letaief

In existing semantic communication systems for image transmission, some images are generally reconstructed with considerably low quality. As a result, the reliable transmission of each image cannot be guaranteed, bringing significant…

Signal Processing · Electrical Eng. & Systems 2023-06-28 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu