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In the context of wireless communications, we propose a deep learning approach to learn the mapping from the instantaneous state of a frequency selective fading channel to the corresponding frame error probability (FEP) for an arbitrary set…

Signal Processing · Electrical Eng. & Systems 2017-11-01 Vidit Saxena , Joakim Jaldén , Mats Bengtsson , Hugo Tullberg

Lensless imaging stands out as a promising alternative to conventional lens-based systems, particularly in scenarios demanding ultracompact form factors and cost-effective architectures. However, such systems are fundamentally governed by…

Image and Video Processing · Electrical Eng. & Systems 2025-05-06 Jiesong Bai , Yuhao Yin , Yihang Dong , Xiaofeng Zhang , Chi-Man Pun , Xuhang Chen

As the underlying foundation of a digital twin network (DTN), a digital twin channel (DTC) can accurately depict the process of radio propagation in the air interface to support the DTN-based 6G wireless network. Since radio propagation is…

Signal Processing · Electrical Eng. & Systems 2024-06-04 Jialin Wang , Jianhua Zhang , Yutong Sun , Yuxiang Zhang , Tao Jiang , Liang Xia

Data scarcity is a primary obstacle in developing robust Machine Learning (ML) models for detecting rapidly intensifying tropical cyclones. Traditional data augmentation techniques (rotation, flipping, brightness adjustment) fail to…

Machine Learning · Computer Science 2026-03-10 Marawan Yakout , Tannistha Maiti , Monira Majhabeen , Tarry Singh

Realizing complete observability in the three-phase distribution system remains a challenge that hinders the implementation of classic state estimation algorithms. In this paper, a new method, called the pruned physics-aware neural network…

Systems and Control · Electrical Eng. & Systems 2021-10-18 Minh-Quan Tran , Ahmed S. Zamzam , Phuong H. Nguyen

This paper proposes a novel paradigm centered on Artificial Intelligence (AI)-empowered propagation channel prediction to address the limitations of traditional channel modeling. We present a comprehensive framework that deeply integrates…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Ruisi He , Mi Yang , Zhengyu Zhang , Bo Ai , Zhangdui Zhong

Modern communication systems rely on accurate channel estimation to achieve efficient and reliable transmission of information. As the communication channel response is highly related to the user's location, one can use a neural network to…

Artificial Intelligence · Computer Science 2023-08-29 Baptiste Chatelier , Luc Le Magoarou , Vincent Corlay , Matthieu Crussière

Large-scale channel prediction, i.e., estimation of the pathloss from geographical/morphological/building maps, is an essential component of wireless network planning. Ray tracing (RT)-based methods have been widely used for many years, but…

Information Theory · Computer Science 2023-12-08 Ju-Hyung Lee , Andreas F. Molisch

Accurately mapping the radio environment (e.g., identifying wireless signal strength at specific frequency bands and geographic locations) is crucial for efficient spectrum sharing, enabling secondary users (SUs) to access underutilized…

Signal Processing · Electrical Eng. & Systems 2025-02-28 Mukaram Shahid , Kunal Das , Hadia Ushaq , Hongwei Zhang , Jimming Song , Daji Qiao , Sarath Babu , Yong Guan , Zhengyuan Zhu , Arsalan Ahmed

In dual-energy computed tomography (DECT), the X-ray tube energy pair often changes depending on the target organ or patient obesity. In practice, it makes difficult to apply deep learning (DL) based algorithms for image reconstruction…

Medical Physics · Physics 2023-03-08 Donghyeon Lee , Uijin Jeong , Sungho Yun , Joonil Hwang , Seungryong Cho

Deep neural networks have evolved as the leading approach in 3D medical image segmentation due to their outstanding performance. However, the ever-increasing model size and computation cost of deep neural networks have become the primary…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Boqian Wu , Qiao Xiao , Shiwei Liu , Lu Yin , Mykola Pechenizkiy , Decebal Constantin Mocanu , Maurice Van Keulen , Elena Mocanu

Radio map estimation from sparse measurements is fundamental to wireless network planning, optimization, and localized map updating. Most recent learning-based approaches formulate the problem as dense map completion over a predefined grid,…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Ang Li , Chengyu Liu , Yue Wang

Over the last years, several works have explored the application of deep learning algorithms to determine the large-scale signal fading (also referred to as ``path loss'') between transmitter and receiver pairs in urban communication…

Networking and Internet Architecture · Computer Science 2024-10-28 Fabian Jaensch , Giuseppe Caire , Begüm Demir

Convolutional Neural Networks (CNNs) are supposed to be fed with only high-quality annotated datasets. Nonetheless, in many real-world scenarios, such high quality is very hard to obtain, and datasets may be affected by any sort of image…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Francesco Ponzio , Enrico Macii , Elisa Ficarra , Santa Di Cataldo

Communication is fundamental for multi-robot collaboration, with accurate radio mapping playing a crucial role in predicting signal strength between robots. However, modeling radio signal propagation in large and occluded environments is…

Robotics · Computer Science 2025-04-22 Yiming Luo , Yunfei Wang , Hongming Chen , Chengkai Wu , Ximin Lyu , Jinni Zhou , Jun Ma , Fu Zhang , Boyu Zhou

Multi-robot exploration of complex, unknown environments benefits from the collaboration and cooperation offered by inter-robot communication. Accurate radio signal strength prediction enables communication-aware exploration. Models which…

The increasing demand for high-speed and reliable wireless networks has driven advancements in technologies such as millimeter-wave and 5G radios, which requires efficient planning and timely deployment of wireless access points. A critical…

Networking and Internet Architecture · Computer Science 2025-01-14 Xuanhao Luo , Zhizhen Li , Zhiyuan Peng , Mingzhe Chen , Yuchen Liu

Previous raw image-based low-light image enhancement methods predominantly relied on feed-forward neural networks to learn deterministic mappings from low-light to normally-exposed images. However, they failed to capture critical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Yufei Wang , Yi Yu , Wenhan Yang , Lanqing Guo , Lap-Pui Chau , Alex C. Kot , Bihan Wen

Capsule neural network is a new and popular technique in deep learning. However, the traditional capsule neural network does not extract features sufficiently before the dynamic routing between the capsules. In this paper, the one Double…

Computer Vision and Pattern Recognition · Computer Science 2019-12-06 Shan Cao , Yuqian Yao , Gaoyun An

Estimating $T_2$ relaxation time distributions from multi-echo $T_2$-weighted MRI ($T_2W$) data can provide valuable biomarkers for assessing inflammation, demyelination, edema, and cartilage composition in various pathologies, including…

Signal Processing · Electrical Eng. & Systems 2023-05-19 Hadas Ben-Atya , Moti Freiman
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