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This paper investigates the hybrid source localization problem using the four radio measurements - time of arrival (TOA), time difference of arrival (TDOA), received signal strength (RSS), and angle of arrival (AOA). First, after invoking…

信号处理 · 电气工程与系统科学 2025-10-07 Kuntal Panwar , Prabhu Babu , R. Jyothi

The weighted k-nearest neighbors algorithm is one of the most fundamental non-parametric methods in pattern recognition and machine learning. The question of setting the optimal number of neighbors as well as the optimal weights has…

机器学习 · 统计学 2017-01-26 Oren Anava , Kfir Y. Levy

The extended Weber location problem is a classical optimization problem that has inspired some new works in several machine learning scenarios recently. However, most existing algorithms may get stuck due to the singularity at the data…

机器学习 · 计算机科学 2024-05-14 Zhao-Rong Lai , Xiaotian Wu , Liangda Fang , Ziliang Chen

It is shown that using the similarity transformations, a set of three-dimensional p-q nonlinear Schrodinger (NLS) equations with inhomogeneous coefficients can be reduced to one-dimensional stationary NLS equation with constant or varying…

斑图形成与孤子 · 物理学 2017-04-19 Zhenya Yan , V. V. Konotop

This paper concerns the numerical approximation of low-energy eigenstates of the linear random Schr\"odinger operator. Under oscillatory high-amplitude potentials with a sufficient degree of disorder it is known that these eigenstates…

数值分析 · 数学 2019-11-11 Robert Altmann , Daniel Peterseim

Localization is a computer vision task by which the position and orientation of a camera is determined from an image and environmental map. We propose a method for performing localization in a privacy preserving manner supporting two…

密码学与安全 · 计算机科学 2024-03-28 James Choncholas , Pujith Kachana , André Mateus , Gregoire Phillips , Ada Gavrilovska

A new method of solution to the local spin density approximation to the electronic Schr\"{o}dinger equation is presented. The method is based on an efficient, parallel, adaptive multigrid eigenvalue solver. It is shown that adaptivity is…

mtrl-th · 物理学 2009-09-25 E. Bylaska , S. Khon , S. Baden , A. Edelman , R. Kawai , M. E. G. Ong , J. H. Weare

In this paper we generalize the technique of deflation to define two new methods to systematically find many local minima of a nonlinear least squares problem. The methods are based on the Gauss-Newton algorithm, and as such do not require…

数值分析 · 数学 2025-06-13 Alban Bloor Riley , Marcus Webb , Michael L Baker

We consider the sensor network localization problem, which is closely related to multidimensional scaling and Euclidean distance matrix completion. Given a ground truth configuration of $n$ points in $\mathbb{R}^\ell$, we observe a subset…

最优化与控制 · 数学 2026-03-16 Christopher Criscitiello , Andrew D. McRae , Quentin Rebjock , Nicolas Boumal

Some novel strategies have recently been proposed for single hidden layer neural network training that set randomly the weights from input to hidden layer, while weights from hidden to output layer are analytically determined by…

机器学习 · 计算机科学 2015-08-26 R. Cancelliere , R. Deluca , M. Gai , P. Gallinari , L. Rubini

Existing super-resolution microscopy is often constrained by inherent trade-offs between resolution, acquisition speed, phototoxicity, and hardware complexity. Computational post-processing approaches offer a promising alternative, but they…

Source localization in ocean acoustics is posed as a machine learning problem in which data-driven methods learn source ranges directly from observed acoustic data. The pressure received by a vertical linear array is preprocessed by…

大气与海洋物理 · 物理学 2017-09-08 Haiqiang Niu , Emma Reeves , Peter Gerstoft

We present a detailed theoretical analysis of the problem of multiple-source adaptation in the general stochastic scenario, extending known results that assume a single target labeling function. Our results cover a more realistic scenario…

机器学习 · 计算机科学 2017-11-15 Judy Hoffman , Mehryar Mohri , Ningshan Zhang

In this paper, we propose a range-based localization algorithm to localize a wireless sensor network (WSN) in 2D. A widely used algorithm to localize a WSN in 2D is trilateration, which runs in polynomial time. Trilateration uses three…

网络与互联网体系结构 · 计算机科学 2016-04-13 Onur Cagirici

This paper deals with the non-uniqueness of the solutions of an analysis-Lasso regularization. Most of previous works in this area is concerned with the case where the solution set is a singleton, or to derive guarantees to enforce…

最优化与控制 · 数学 2017-03-02 Abdessamad Barbara , Abderrahim Jourani , Samuel Vaiter

We consider the {\em mobile facility location} (\mfl) problem. We are given a set of facilities and clients located in a common metric space. The goal is to move each facility from its initial location to a destination and assign each…

数据结构与算法 · 计算机科学 2013-01-21 Sara Ahmadian , Zachary Friggstad , Chaitanya Swamy

We propose a general framework of iteratively reweighted l1 methods for solving lp regularization problems. We prove that after some iteration k, the iterates generated by the proposed methods have the same support and sign as the limit…

最优化与控制 · 数学 2019-12-03 Hao Wang , Hao Zeng , Jiashan Wang

Assume that a source emits a signal in $3$-dimensional space at an unknown time, which is received by at least~$5$ sensors. In almost all cases the emission time and source position can be worked out uniquely from the knowledge of the times…

交换代数 · 数学 2022-07-12 Mireille Boutin , Gregor Kemper

Indoor location identification and navigation need to be as simple, seamless, and ubiquitous as its outdoor GPS-based counterpart is. It would be of great convenience to the mobile user to be able to continue navigating seamlessly as he or…

网络与互联网体系结构 · 计算机科学 2018-10-24 Fahed Awad , Aisha Al-Sadi , Fida'a Al-Quran , Abdulsalam Alsmady

We consider the inverse problem of recovering the locations and amplitudes of a collection of point sources represented as a discrete measure, given $M+1$ of its noisy low-frequency Fourier coefficients. Super-resolution refers to a stable…

信息论 · 计算机科学 2022-10-17 Weilin Li , Wenjing Liao