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Related papers: Wavelet-Guided Water-Level Estimation for ISAC

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This paper presents a novel framework for importance-aware adaptive data transmission, designed specifically for real-time computer vision (CV) applications where task-specific fidelity is critical. An importance-weighted mean square error…

Signal Processing · Electrical Eng. & Systems 2025-03-03 Chunmei Xu , Yi Ma , Rahim Tafazolli

Channel estimation in reconfigurable intelligent surfaces (RIS)-aided systems is crucial for optimal configuration of the RIS and various downstream tasks such as user localization. In RIS-aided systems, channel estimation involves…

Signal Processing · Electrical Eng. & Systems 2023-12-19 Firas Fredj , Amal Feriani , Amine Mezghani , Ekram Hossain

River water-quality monitoring is increasingly conducted using automated in situ sensors, enabling timelier identification of unexpected values. However, anomalies caused by technical issues confound these data, while the volume and…

The empirical wavelet transform is an adaptive multiresolution analysis tool based on the idea of building filters on a data-driven partition of the Fourier domain. However, existing 2D extensions are constrained by the shape of the…

Spectral Theory · Mathematics 2024-10-28 Basile Hurat , Zariluz Alvarado , Jerome Gilles

Coastal water segmentation from satellite imagery presents unique challenges due to complex spectral characteristics and irregular boundary patterns. Traditional RGB-based approaches often suffer from training instability and poor…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Zhen Tian , Christos Anagnostopoulos , Qiyuan Wang , Zhiwei Gao

The heavy-tailed nature of precipitation intensity impedes precise precipitation nowcasting. Standard models that optimize pixel-wise losses are prone to regression-to-the-mean bias, which blurs extreme values. Existing Fourier-based…

Atmospheric and Oceanic Physics · Physics 2026-02-03 Baitian Liu , Haiping Zhang , Huiling Yuan , Dongjing Wang , Ying Li , Feng Chen , Hao Wu

As the technical trends for the next-generation wireless network significantly extend the near-field region, a performance reevaluation of integrated sensing and communications (ISAC) with an appropriate channel model to account for the…

Information Theory · Computer Science 2024-04-16 Boqun Zhao , Chongjun Ouyang , Yuanwei Liu , Xingqi Zhang , H. Vincent Poor

This paper proposes low complexity detection for internet of underwater things (IoUT)s communication. The signal is transmitted from the source to the destination using several sensors. To simplify the computational operations at the…

Signal Processing · Electrical Eng. & Systems 2022-03-24 Amer Aljanabi , Osama Alluhaibi , Qasim Z. Ahmed , Fahd A. Khan , Waqas-Bin-Abbas , Pavlos I. Lazaridis

Accurate short-term streamflow and flood forecasting are critical for mitigating river flood impacts, especially given the increasing climate variability. Machine learning-based streamflow forecasting relies on large streamflow datasets…

Artificial Intelligence · Computer Science 2024-12-09 Xiyu Pan , Neda Mohammadi , John E. Taylor

One-way-broadcast based flooding time synchronization algorithms are commonly used in wireless sensor networks (WSNs). However, the packet delay and clock drift pose challenges to accuracy, as they entail serious by-hop error accumulation…

Networking and Internet Architecture · Computer Science 2022-07-26 Fanrong Shi , Simon X. Yang , Xianguo Tuo , Lili Ran , Yuqing Huang

In this paper, we simulated a diffusion adaptive network in the underwater environment. The communication method between the nodes of this network is assumed to be the visible light communication technology (VLC) which in the underwater…

Systems and Control · Electrical Eng. & Systems 2022-06-07 Hossein Abdavinejad , Hadi Baghali , Javad Ostadieh , Ehsan Mostafapour , Changiz Ghobadi , Javad Nourinia

This paper tackles the sensing-communication trade-off in integrated sensing and communication (ISAC)-empowered subnetworks for mono-static target localization. We propose a low-complexity iterative node selection algorithm that exploits…

Signal Processing · Electrical Eng. & Systems 2025-11-18 Mostafa Nozari , Israel Leyva-Mayorga , Fabio Saggese , Gilberto Berardinelli

Modern techniques in the Internet of Things or autonomous driving require more accuracy positioning ever. Classic location techniques mainly adapt to outdoor scenarios, while they do not meet the requirement of indoor cases with multiple…

Signal Processing · Electrical Eng. & Systems 2020-02-05 Jianyuan Yu , R. Michael Buehrer

WiFi-enabled Internet-of-Things (IoT) devices are evolving from mere communication devices to sensing instruments, leveraging Channel State Information (CSI) extraction capabilities. Nevertheless, resource-constrained IoT devices and the…

Information Theory · Computer Science 2024-09-10 Borna Barahimi , Hakam Singh , Hina Tabassum , Omer Waqar , Mohammad Omer

This work presents an innovative experimental device conceived to characterize the time-dependent behavior of hygroscopic materials, as wood, at controlled moisture content and temperature. This device, the WAVET, permits the determination…

Materials Science · Physics 2009-07-22 Vincent Placet , Patrick Perré

Quantitative interpretation of the tidal response of water levels measured in wells has long been made either with a model for perfectly confined aquifers or with a model for purely unconfined aquifers. However, many aquifers may be neither…

Geophysics · Physics 2018-12-26 Chi-Yuen Wang , Mai-Linh Doan , Lian Xue , Andrew Barbour

Quantitative analysis of channel networks plays an important role in river studies. To provide a quantitative representation of channel networks, we propose a new method that extracts channels from remotely sensed images and estimates their…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 F. Isikdogan , A. C. Bovik , P. Passalacqua

In practical simultaneous information and energy transmission (SIET), the exact energy harvesting function is usually unavailable because an energy harvesting circuit is nonlinear and nonideal. In this work, we consider a SIET problem where…

Information Theory · Computer Science 2023-04-05 Daewon Seo , Yongjune Kim

We implemented a simple method for early detection in this research. The implemented methods are plotting the given mat files and analyzing scalogram images generated by performing Continuous Wavelet Transform (CWT) on the samples. Also,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Dhiraj Neupane , Lakpa Dorje Tamang , Ngoc Dung Huynh , Mohamed Reda Bouadjenek , Sunil Aryal

Infrared small target detection (ISTD) is critical in both civilian and military applications. However, the limited texture and structural information in infrared images makes accurate detection particularly challenging. Although recent…

Computer Vision and Pattern Recognition · Computer Science 2025-05-26 Xingye Cui , Junhai Luo , Jiakun Deng , Kexuan Li , Xiangyu Qiu , Zhenming Peng