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In diffusion models, UNet is the most popular network backbone, since its long skip connects (LSCs) to connect distant network blocks can aggregate long-distant information and alleviate vanishing gradient. Unfortunately, UNet often suffers…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Zhongzhan Huang , Pan Zhou , Shuicheng Yan , Liang Lin

An important ingredient of the future 5G systems will be Ultra-Reliable Low-Latency Communication (URLLC). A way to offer URLLC without intervention in the baseband/PHY layer design is to use interface diversity and integrate multiple…

Information Theory · Computer Science 2017-11-22 Jimmy J. Nielsen , Rongkuan Liu , Petar Popovski

Background: Underwater images, in general, suffer from low contrast and high color distortions due to the non-uniform attenuation of the light as it propagates through the water. In addition, the degree of attenuation varies with the…

Image and Video Processing · Electrical Eng. & Systems 2022-01-20 Prasen Kumar Sharma , Ira Bisht , Arijit Sur

In an underwater scene, wavelength-dependent light absorption and scattering degrade the visibility of images, causing low contrast and distorted color casts. To address this problem, we propose a convolutional neural network based image…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Saeed Anwar , Chongyi Li , Fatih Porikli

Recently, the remarkable success of large language models (LLMs) has achieved a profound impact on the field of artificial intelligence. Numerous advanced works based on LLMs have been proposed and applied in various scenarios. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Xizhe Xue , Yang Zhou , Dawei Yan , Lijie Tao , Junjie Li , Ying Li , Haokui Zhang , Rong Xiao

Indoor visible light communication (VLC) is a promising sixth-generation (6G) technology, as its directional and sensitive optical signals are naturally suited for integrated sensing and communication (ISAC). However, current research…

Systems and Control · Electrical Eng. & Systems 2025-11-27 Xinyan Xie , Xuesong Wang , Xin Lai , Yongheng Wen , Fengrui Yang , Haoyang He , Lai Zhang , Dong Zhao

This work studies the problem of inferring whether an agent is directly influenced by another agent over an adaptive diffusion network. Agent i influences agent j if they are connected (according to the network topology), and if agent j…

Multiagent Systems · Computer Science 2017-07-21 Vincenzo Matta , Ali H. Sayed

Turbulence is a key element of the dynamics of astrophysical fluids, including those of interstellar medium, clusters of galaxies and circumstellar regions. Turbulent motions induce Doppler shifts of observable emission and absorption lines…

Astrophysics · Physics 2009-03-27 A. Chepurnov , A. Lazarian

Despite the growing interest in Visible Light Communication (VLC), a reference networking platform based on commercial off-the-shelf components is not available yet. An open-source platform would lower the barriers to entry to VLC network…

Networking and Internet Architecture · Computer Science 2015-05-01 Qing Wang , Domenico Giustiniano , Daniele Puccinelli

In the non-line of sight (NLOS) ultraviolet (UV) scattering communication, the received signals exhibit the characteristics of discrete photoelectrons due to the extremely large path loss. We design and demonstrate an NLOS UV scattering…

Signal Processing · Electrical Eng. & Systems 2018-02-13 Guanchu Wang , Kun Wang , Chen Gong , Difan Zou , Zhimeng Jiang , Zhengyuan Xu

Visible light communication (VLC), which uses LEDs for both illumination and communication purposes, has recently emerged as either an alternative or a support system for radio frequency (RF) communication. VLC channel inside a room is…

Information Theory · Computer Science 2019-02-14 Cenk Albayrak , Kadir Turk , Emin Tugcu , Cemaleddin Simsek , Ayhan Yazgan

Traditional link adaptation (LA) schemes in cellular network must be revised for networks beyond the fifth generation (b5G), to guarantee the strict latency and reliability requirements advocated by ultra reliable low latency communications…

Emerging Technologies · Computer Science 2021-05-12 Alessandro Brighente , Jafar Mohammadi , Paolo Baracca , Silvio Mandelli , Stefano Tomasin

Visible light communication (VLC) technology was introduced as a key enabler for the next generation of wireless networks, mainly thanks to its simple and low-cost implementation. However, several challenges prohibit the realization of the…

Artificial Intelligence · Computer Science 2021-10-08 Shimaa Naser , Lina Bariah , Sami Muhaidat , Mahmoud Al-Qutayri , Ernesto Damiani , Merouane Debbah , Paschalis C. Sofotasios

Ultra-reliable low-latency communication (URLLC) constitutes a key service class of the fifth generation and beyond cellular networks. Notably, designing and supporting URLLC poses a herculean task due to the fundamental need to identify…

Networking and Internet Architecture · Computer Science 2023-11-23 Onel López , Nurul Mahmood , Mohammad Shehab , Hirley Alves , Osmel Rosabal , Leatile Marata , Matti Latva-aho

Latest diffusion-based methods for many image restoration tasks outperform traditional models, but they encounter the long-time inference problem. To tackle it, this paper proposes a Wavelet-Based Diffusion Model (WaveDM). WaveDM learns the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Yi Huang , Jiancheng Huang , Jianzhuang Liu , Mingfu Yan , Yu Dong , Jiaxi Lv , Chaoqi Chen , Shifeng Chen

We use molecular dynamics simulations to study the diffusion of water inside deformed carbon nanotubes with different degrees of deformation at 300 K. We found that the number of hydrogen bonds that water forms depends on nanotube topology,…

Soft Condensed Matter · Physics 2020-01-16 Bruno H. S. Mendonça , Patricia Ternes , Evy Salcedo , Alan B. de Oliveira , Marcia C. Barbosa

Transformers have achieved remarkable success across natural language processing (NLP) and computer vision (CV). However, deep transformer models often suffer from an over-smoothing issue, in which token representations converge to similar…

Machine Learning · Computer Science 2025-10-21 Satoshi Noguchi , Yoshinobu Kawahara

Shallow water environments create a challenging channel for communications. In this paper, we focus on the challenges posed by the frequency-selective signal distortion called the Doppler effect. We explore the design and performance of…

Signal Processing · Electrical Eng. & Systems 2019-09-11 Abigail Lee-Leon , Chau Yuen , Dorien Herremans

The practical deployment of diffusion-based Neural Video Compression (NVC) faces critical challenges, including severe information loss, prohibitive inference latency, and poor temporal consistency. To bridge this gap, we propose DiffVC-RT,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Wenzhuo Ma , Zhenzhong Chen

Water is a critical resource that must be managed efficiently. However, a substantial amount of water is lost each year due to leaks in Water Distribution Networks (WDNs). This underscores the need for reliable and effective leak detection…

Machine Learning · Computer Science 2025-11-18 Daniele Ugo Leonzio , Paolo Bestagini , Marco Marcon , Stefano Tubaro