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This paper addresses the density based multi-sensor cooperative fusion using random finite set (RFS) type multi-object densities (MODs). Existing fusion methods use scalar weights to characterize the relative information confidence among…

信息论 · 计算机科学 2021-07-21 Wei Yi , Lei Chai

The current fusion positioning systems are mainly based on filtering algorithms, such as Kalman filtering or particle filtering. However, the system complexity of practical application scenarios is often very high, such as noise modeling in…

信号处理 · 电气工程与系统科学 2022-09-29 Luchi Hua , Jun Yang

A hybrid detector that fuses both quantized and full-precision observations is proposed for weak signal detection under additive and multiplicative Gaussian noise. We first derive a locally most powerful test (LMPT)--based hybrid detector…

信号处理 · 电气工程与系统科学 2025-10-09 Linlin Mao , Zeping Sui , Michail Matthaiou , Hongbin Li

This work examines the problem of using finite Gaussian mixtures (GM) probability density functions in recursive Bayesian peer-to-peer decentralized data fusion (DDF). It is shown that algorithms for both exact and approximate GM DDF lead…

信号处理 · 电气工程与系统科学 2019-07-10 Nisar R. Ahmed

This work studies distributed (probability) density estimation of large-scale systems. Such problems are motivated by many density-based distributed control tasks in which the real-time density of the swarm is used as feedback information,…

系统与控制 · 电气工程与系统科学 2021-06-03 Tongjia Zheng , Hai Lin

This paper considers the problem of binary distributed detection of a known signal in correlated Gaussian sensing noise in a wireless sensor network, where the sensors are restricted to use likelihood ratio test (LRT), and communicate with…

信息论 · 计算机科学 2016-01-20 Nahal Maleki , Azadeh Vosoughi , Nazanin Rahnavard

We present a comparison between hybridized and non-hybridized discontinuous Galerkin methods in the context of target-based hp-adaptation for compressible flow problems. The aim is to provide a critical assessment of the computational…

计算工程、金融与科学 · 计算机科学 2014-11-12 Michael Woopen , Aravind Balan , Georg May , Jochen Schütz

Finite mixture of Gaussian distributions provide a flexible semi-parametric methodology for density estimation when the variables under investigation have no boundaries. However, in practical applications variables may be partially bounded…

统计方法学 · 统计学 2019-12-30 Luca Scrucca

This paper presents a new method to solve a dynamic sensor fusion problem. We consider a large number of remote sensors which measure a common Gauss-Markov process and encoders that transmit the measurements to a data fusion center through…

最优化与控制 · 数学 2022-10-19 Hyunho Jung , Ali Reza Pedram , Travis Craig Cuvelier , Takashi Tanaka

This paper defines and implements a non-Bayesian fusion rule for combining densities of probabilities estimated by local (non-linear) filters for tracking a moving target by passive sensors. This rule is the restriction to a strict…

Research trends in SLAM systems are now focusing more on multi-sensor fusion to handle challenging and degenerative environments. However, most existing multi-sensor fusion SLAM methods mainly use all of the data from a range of sensors, a…

机器人学 · 计算机科学 2024-12-24 Jie Xu , Guanyu Huang , Wenlu Yu , Xuanxuan Zhang , Lijun Zhao , Ruifeng Li , Shenghai Yuan , Lihua Xie

Deep learning-based image fusion approaches have obtained wide attention in recent years, achieving promising performance in terms of visual perception. However, the fusion module in the current deep learning-based methods suffers from two…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Dongyu Rao , Xiao-Jun Wu , Tianyang Xu , Guoyang Chen

A novel multi-focus image fusion algorithm performed in spatial domain based on similarity characteristics is proposed incorporating with region segmentation. In this paper, a new similarity measure is developed based on the structural…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Ya-Qiong Zhang , Xiao-Jun Wu , Hui Li

This paper presents a multi-band image fusion algorithm based on unsupervised spectral unmixing for combining a high-spatial low-spectral resolution image and a low-spatial high-spectral resolution image. The widely used linear observation…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Qi Wei , Jose Bioucas-Dias , Nicolas Dobigeon , Jean-Yves Tourneret , Marcus Chen , Simon Godsill

This paper studies the problem of distributed state estimation (DSE) over sensor networks on matrix Lie groups, which is crucial for applications where system states evolve on Lie groups rather than vector spaces. We propose a…

系统与控制 · 电气工程与系统科学 2024-09-27 Zhian Ruan , Yizhi Zhou

The paper discusses the increasing use of hybridized sensor information for GNSS-based localization and navigation, including the use of 3D map-aided GNSS positioning and terrestrial systems based on different geometric measurement…

信号处理 · 电气工程与系统科学 2023-09-12 Paul Schwarzbach , Albrecht Michler , Oliver Michler

Multi-modal densities appear frequently in time series and practical applications. However, they cannot be represented by common state estimators, such as the Extended Kalman Filter (EKF) and the Unscented Kalman Filter (UKF), which…

系统与控制 · 计算机科学 2014-01-03 Sanket Kamthe , Jan Peters , Marc P Deisenroth

GNSS localization is an important part of today's autonomous systems, although it suffers from non-Gaussian errors caused by non-line-of-sight effects. Recent methods are able to mitigate these effects by including the corresponding…

机器人学 · 计算机科学 2020-03-20 Tim Pfeifer , Peter Protzel

We address the multi-focus image fusion problem, where multiple images captured with different focal settings are to be fused into an all-in-focus image of higher quality. Algorithms for this problem necessarily admit the source image…

计算机视觉与模式识别 · 计算机科学 2019-05-06 Farshad G. Veshki , Sergiy A. Vorobyov

Gaussian Mixture Models are a powerful tool in Data Science and Statistics that are mainly used for clustering and density approximation. The task of estimating the model parameters is in practice often solved by the Expectation…

机器学习 · 统计学 2022-08-25 Lena Sembach , Jan Pablo Burgard , Volker H. Schulz