English
Related papers

Related papers: Target Detection in Sea Clutter with Application t…

200 papers

This work considers the problem of quickest detection of signals in a coupled system of N sensors, which receive continuous sequential observations from the environment. It is assumed that the signals, which are modeled a general Ito…

Information Theory · Computer Science 2016-11-15 Olympia Hadjiliadis , Tobias Schaefer , H. Vincent Poor

In this paper, we devise adaptive decision schemes to detect targets competing against clutter and smart noise-like jammers (NLJ) which illuminate the radar system from the sidelobes. Specifically, the considered class of NLJs generates a…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Pia Addabbo , Olivier Besson , Danilo Orlando , Giuseppe Ricci

The detection reliability of weak signals is a critical issue in many astronomical contexts and may have severe consequences for determining number counts and luminosity functions, but also for optimising the use of telescope time in…

Instrumentation and Methods for Astrophysics · Physics 2016-04-06 Roberto Vio , Paola Andreani

In this paper, we explore the possibility of detecting polar lows in C-band SAR images by means of deep learning. Specifically, we introduce a novel dataset consisting of Sentinel-1 images divided into two classes, representing the presence…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Jakob Grahn , Filippo Maria Bianchi

Radar sensors employed for environment perception, e.g. in autonomous vehicles, output a lot of unwanted clutter. These points, for which no corresponding real objects exist, are a major source of errors in following processing steps like…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Johannes Kopp , Dominik Kellner , Aldi Piroli , Klaus Dietmayer

Radar target detection in the presence of a mixture of non-Gaussian clutter and white thermal noise is a challenging problem. This paper proposes a Rectified Flow Matching-based method for radar detection, termed D-RFM. Unlike existing…

Signal Processing · Electrical Eng. & Systems 2026-03-20 P. Meena , Y. A. Rouzoumka , J. Pinsolle , C. Ren , M. N. El Korso , J. -P. Ovarlez

Predicting the remaining useful life (RUL) of ball bearings is an active area of research, where novel machine learning techniques are continuously being applied to predict degradation trends and anticipate failures before they occur.…

Knowledge of the scatter in the mass-observable relation is a key ingredient for a cosmological analysis based on galaxy clusters in a photometric survey. In this paper we aim to quantify the capability of the correlation function of galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2017-03-15 Julia Campa , Brenna Flaugher , Juan Estrada

This paper investigates the problem of distributed target tracking via underwater wireless sensor networks (UWSNs) with fading channels. The degradation of signal quality due to wireless channel fading can significantly impact network…

Systems and Control · Electrical Eng. & Systems 2023-08-09 Miaoyi Tang , Meiqin Liu , Senlin Zhang , Ronghao Zheng , Shanling Dong

Underwater diving assistance and safety support robots acquire real-time diver information through onboard underwater cameras. This study introduces a breath bubble detection algorithm that utilizes unsupervised K-means clustering, thereby…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Mingyu Jeon , Yeonji Paeng , Sejin Lee

Millimeter-wave (mmWave) radar systems, owing to their large bandwidth, provide fine range resolution that enables the observation of multiple scatterers originating from a single automotive target, commonly referred to as an extended…

Signal Processing · Electrical Eng. & Systems 2025-11-21 Vinay Kulkarni , V. V. Reddy

In this paper, we present a novel approach for the prediction of rogue waves in oceans using statistical machine learning methods. Since the ocean is composed of many wave systems, the change from a bimodal or multimodal directional…

Atmospheric and Oceanic Physics · Physics 2020-03-17 Pujan Pokhrel , Elias Ioup , Md Tamjidul Hoque , Julian Simeonov , Mahdi Abdelguerfi

In this work a robust clustering algorithm for stationary time series is proposed. The algorithm is based on the use of estimated spectral densities, which are considered as functional data, as the basic characteristic of stationary time…

The ubiquity of integrating detectors in imaging and other applications implies that a variety of real-world data are well modeled as Poisson random variables whose means are in turn proportional to an underlying vector-valued signal of…

Methodology · Statistics 2012-10-15 Keigo Hirakawa , Patrick J. Wolfe

This paper addresses the standard generalized likelihood ratio test (GLRT) detection problem of weak signals in background noise. In so doing, we consider a nonfluctuating target embedded in complex white Gaussian noise (CWGN), in which the…

Signal Processing · Electrical Eng. & Systems 2021-07-12 Fernando Darío Almeida García , Marco Antonio Miguel Miranda , José Cândido Silveira Santos Filho

This paper proposes a constant false alarm rate (CFAR) target detection algorithm based on the CLEAN concept and truncated statistics to mitigate the non-homogeneity of reference samples caused by sidelobe contamination and other abnormal…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Jiachen Zhu , Fangjiong Chen , Jie Wu , Ming Xia

An algorithm for determining stationary periods for time series of random sea waves is proposed in this work. This is a problem in which changes between stationary sea states are usually slow and segmentation procedures based on…

Methodology · Statistics 2015-06-22 Pedro C. Alvarez-Esteban , C. Euán , J. Ortega

The Long Short-Term Memory (LSTM) neural network based data association algorithm named as DeepDA for multi-target tracking in clutters is proposed to deal with the NP-hard combinatorial optimization problem in this paper. Different from…

Machine Learning · Computer Science 2019-07-29 Huajun Liu , Hui Zhang , Christoph Mertz

In this paper, we tackle decision fusion for distributed detection in a randomly-deployed clustered wireless sensor networks (WSNs) operating over a non-ideal multiple access channels (MACs), i.e. considering Rayleigh fading, pathloss and…

Signal Processing · Electrical Eng. & Systems 2022-03-29 Sami Aldalahmeh , Domenico Ciuonzo

This paper investigates the performance of the adaptive matched filtering (AMF) in cluttered environments, particularly when operating with superimposed signals. Since the instantaneous signal-to-clutter-plus-noise ratio (SCNR) is a random…

Information Theory · Computer Science 2025-12-10 Lei Xie , Hengtao He , Yifeng Xiong , Fan Liu , Shi Jin
‹ Prev 1 4 5 6 7 8 10 Next ›