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Visual Inertial Odometry (VIO) is one of the most established state estimation methods for mobile platforms. However, when visual tracking fails, VIO algorithms quickly diverge due to rapid error accumulation during inertial data…

机器人学 · 计算机科学 2023-06-13 Russell Buchanan , Varun Agrawal , Marco Camurri , Frank Dellaert , Maurice Fallon

In cell-free multiple input multiple output (MIMO) networks, multiple base stations (BSs) collaborate to achieve high spectral efficiency. Nevertheless, high penetration loss due to large blockages in harsh propagation environments is often…

信息论 · 计算机科学 2023-03-16 Chen Chen , Sai Xu , Jiliang Zhang , Jie Zhang

The INTEGRAL/SPI, X-gamma-ray spectrometer (20 keV - 8 MeV) is an instrument for which recovering source intensity variations is not straightforward and can constitute a difficulty for data analysis. In most cases, determining the source…

天体物理仪器与方法 · 物理学 2015-06-16 L. Bouchet , P. -R Amestoy , A. Buttari , F. -H. Rouet , M. Chauvin

Independent Vector Analysis (IVA) has emerged in recent years as an extension of Independent Component Analysis (ICA) into multiple sets of mixtures, where the source signals in each set are independent, but may depend on source signals in…

信号处理 · 电气工程与系统科学 2020-09-01 Amir Weiss , Arie Yeredor , Sher Ali Cheema , Martin Haardt

Linear Independent Component Analysis (ICA) is a blind source separation technique that has been used in various domains to identify independent latent sources from observed signals. In order to obtain a higher signal-to-noise ratio, the…

机器学习 · 计算机科学 2023-12-04 Ambroise Heurtebise , Pierre Ablin , Alexandre Gramfort

High-resolution images are prevalent in various applications, such as autonomous driving and computer-aided diagnosis. However, training neural networks on such images is computationally challenging and easily leads to out-of-memory errors…

计算机视觉与模式识别 · 计算机科学 2023-03-08 Benjamin Bergner , Christoph Lippert , Aravindh Mahendran

Independent component analysis (ICA) is a computational method for separating a multivariate signal into subcomponents assuming the mutual statistical independence of the non-Gaussian source signals. The classical Independent Components…

信息论 · 计算机科学 2015-05-19 Huy Nguyen , Rong Zheng

Optimization algorithms have a rich and fundamental relationship with ordinary differential equations given by its continuous-time limit. When the cost function varies with time -- typically in response to a dynamically changing environment…

最优化与控制 · 数学 2024-03-29 Matteo Marchi , Jonathan Bunton , João Pedro Silvestre , Paulo Tabuada

Independent component analysis (ICA) has been used in many applications, including self-interference cancellation for in-band full-duplex wireless systems and anomaly detection in industrial internet of things. This paper presents a…

信号处理 · 电气工程与系统科学 2022-05-03 Hsi-Hung Lu , Chung-An Shen , Mohammed E. Fouda , Ahmed M. Eltawil

AIMS: To determine the Point Source Location Accuracy (PSLA) for the INTEGRAL/IBIS telescope based on analysis of archival in-flight data. METHODS: Over 40000 individual pointings (science windows) of INTEGRAL/IBIS data were analysed using…

天体物理仪器与方法 · 物理学 2015-05-18 S. Scaringi , A. J. Bird , A. B. Hill , D. J. Clark , V. A. McBride , A. J. Dean , A. Bazzano , L. Natalucci , J. B. Stephen

This paper presents a computationally efficient approach to blind source separation (BSS) of audio signals, applicable even when there are more sources than microphones (i.e., the underdetermined case). When there are as many sources as…

声音 · 计算机科学 2021-01-22 Nobutaka Ito , Rintaro Ikeshita , Hiroshi Sawada , Tomohiro Nakatani

Real-world multiobjective optimization problems usually involve conflicting objectives that change over time, which requires the optimization algorithms to quickly track the Pareto optimal front (POF) when the environment changes. In recent…

神经与进化计算 · 计算机科学 2021-02-25 Dejun Xu , Min Jiang , Weizhen Hu , Shaozi Li , Renhu Pan , Gary G. Yen

Recently, studies have shown the potential of integrating field-type iterative methods with deep learning (DL) techniques in solving inverse scattering problems (ISPs). In this article, we propose a novel Variational Born Iterative Network,…

信号处理 · 电气工程与系统科学 2025-02-04 Ziqing Xing , Zhaoyang Zhang , Zirui Chen , Yusong Wang , Haoran Ma , Zhun Wei

Consider a time series of measurements of the state of an evolving system, x(t), where x has two or more components. This paper shows how to perform nonlinear blind source separation; i.e., how to determine if these signals are equal to…

统计方法学 · 统计学 2017-03-07 David N. Levin

Blind source separation (BSS) is addressed, using a novel data-driven approach, based on a well-established probabilistic model. The proposed method is specifically designed for separation of multichannel audio mixtures. The algorithm…

音频与语音处理 · 电气工程与系统科学 2018-02-27 Bracha Laufer-Goldshtein , Ronen Talmon , Sharon Gannot

This paper introduces Memory-limited Online Subspace Estimation Scheme (MOSES) for both estimating the principal components of streaming data and reducing its dimension. More specifically, in various applications such as sensor networks,…

信息论 · 计算机科学 2021-02-12 Armin Eftekhari , Raphael A. Hauser , Andreas Grammenos

Variable selection in high-dimensional space characterizes many contemporary problems in scientific discovery and decision making. Many frequently-used techniques are based on independence screening; examples include correlation ranking…

统计方法学 · 统计学 2008-12-18 Jianqing Fan , Richard Samworth , Yichao Wu

A blind source separation method is described to extract sources from data mixtures where the underlying sources are assumed to be sparse and uncorrelated. The approach used is to detect and analyse segments of time where one source exists…

信号处理 · 电气工程与系统科学 2018-02-06 Malcolm Woolfson

We present a method for generating consistent novel views from a single source image. Our approach focuses on maximizing the reuse of visible pixels from the source image. To achieve this, we use a monocular depth estimator that transfers…

计算机视觉与模式识别 · 计算机科学 2023-10-26 Yash Kant , Aliaksandr Siarohin , Michael Vasilkovsky , Riza Alp Guler , Jian Ren , Sergey Tulyakov , Igor Gilitschenski

Invariant Coordinate Selection (ICS) is a multivariate data transformation and a dimension reduction method that can be useful in many different contexts. It can be used for outlier detection or cluster identification, and can be seen as an…

统计计算 · 统计学 2023-08-15 Aurore Archimbaud , Zlatko Drmač , Klaus Nordhausen , Una Radojičić , Anne Ruiz-Gazen