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We consider the problem of constructing optimal designs for model discrimination between competing regression models. Various new properties of optimal designs with respect to the popular $T$-optimality criterion are derived, which in many…

统计理论 · 数学 2009-08-14 Holger Dette , Stefanie Titoff

Wide parameter space searches for long lived continuous gravitational wave signals are computationally limited. It is therefore critically important that available computational resources are used rationally. In this paper we consider…

广义相对论与量子宇宙学 · 物理学 2016-03-09 Jing Ming , Badri Krishnan , Maria Alessandra Papa , Carsten Aulbert , Henning Fehrmann

This paper introduces a trajectory planning algorithm for search and coverage missions with an Unmanned Aerial Vehicle (UAV) based on an uncertainty map that represents prior knowledge of the target region, modeled by a Gaussian Mixture…

机器人学 · 计算机科学 2025-03-28 Hugo Matias , Daniel Silvestre

Building on previous Bayesian approaches, we introduce a novel formulation of probabilistic cross-identification, where detections are directly associated to (hypothesized) astronomical objects in a globally optimal way. We show that this…

天体物理仪器与方法 · 物理学 2022-07-25 Tu Nguyen , Amitabh Basu , Támas Budavári

Many real world data mining applications involve obtaining predictive models using data sets with strongly imbalanced distributions of the target variable. Frequently, the least common values of this target variable are associated with…

机器学习 · 计算机科学 2015-05-14 Paula Branco , Luis Torgo , Rita Ribeiro

When split conformal prediction operates in batch mode with exchangeable data, we determine the exact distribution of the empirical coverage of prediction sets produced for a finite batch of future observables, as well as the exact…

统计理论 · 数学 2025-01-23 Paulo C. Marques F

We present a simple framework for one-class classification and anomaly detection. The core idea is to learn a mapping to transform the unknown distribution of training (normal) data to a known target distribution. Crucially, the target…

机器学习 · 计算机科学 2023-07-11 Feng Xiao , Ruoyu Sun , Jicong Fan

Computing the coordinate-wise maxima of a planar point set is a classic and well-studied problem in computational geometry. We give an algorithm for this problem in the \emph{self-improving setting}. We have $n$ (unknown) independent…

计算几何 · 计算机科学 2014-04-29 Kenneth L. Clarkson , Wolfgang Mulzer , C. Seshadhri

In this work we consider the problem of searches that utilises past information gathered during searching, to evaluate the probability distribution of finding the source at each step. We start with a sample strategy where the movement at…

其他凝聚态物理 · 物理学 2021-02-17 Vaibhav Wasnik

This paper is concerned with finding an optimal path for an observer, or sensor, moving at a constant speed, which is to estimate the position of a stationary target, using only bearing angle measurements. The generated path is optimal in…

最优化与控制 · 数学 2022-01-19 C. Yalçın Kaya

A central problem in business concerns the optimal allocation of limited resources to a set of available tasks, where the payoff of these tasks is inherently uncertain. In credit card fraud detection, for instance, a bank can only assign a…

机器学习 · 计算机科学 2022-02-10 Toon Vanderschueren , Bart Baesens , Tim Verdonck , Wouter Verbeke

Small target detection is inherently challenging due to the minimal size, lack of distinctive features, and the presence of complex backgrounds. Heavy noise further complicates the task by both obscuring and imitating the target appearance.…

信号处理 · 电气工程与系统科学 2025-12-15 Nicholas Bampton , Tian J. Ma , Minh N. Do

We address the problem where a mobile search agent seeks to find an unknown number of stationary objects distributed in a bounded search domain, and the search mission is subject to time/distance constraint. Our work accounts for false…

机器人学 · 计算机科学 2018-06-26 Harun Yetkin , Collin Lutz , Daniel Stilwell

In this paper, we further investigate the problem of selecting a set of design points for universal kriging, which is a widely used technique for spatial data analysis. Our goal is to select the design points in order to make simultaneous…

统计方法学 · 统计学 2024-01-18 Helmut Waldl , Werner G. Müller , Paula Camelia Trandafir

The last decade witnessed an explosion in the availability of data for operations research applications. Motivated by this growing availability, we propose a novel schema for utilizing data to design uncertainty sets for robust optimization…

最优化与控制 · 数学 2014-11-25 Dimitris Bertsimas , Vishal Gupta , Nathan Kallus

The assignment problem is one of the most well-studied settings in social choice, matching, and discrete allocation. We consider the problem with the additional feature that agents' preferences involve uncertainty. The setting with…

计算机科学与博弈论 · 计算机科学 2016-10-11 Haris Aziz , Ronald de Haan , Baharak Rastegari

We present global convergence rates for a line-search method which is based on random first-order models and directions whose quality is ensured only with certain probability. We show that in terms of the order of the accuracy, the…

最优化与控制 · 数学 2017-01-06 Coralia Cartis , Katya Scheinberg

Motion planners take uncertain information about the environment as an input. The environment information is often quite noisy and has a tendency to contain false positive object detection. State-of-the-art motion planners consider all…

机器人学 · 计算机科学 2020-10-22 Omer Sahin Tas , Christoph Stiller

Active search is a learning paradigm for actively identifying as many members of a given class as possible. A critical target scenario is high-throughput screening for scientific discovery, such as drug or materials discovery. In this…

机器学习 · 计算机科学 2018-11-27 Shali Jiang , Gustavo Malkomes , Benjamin Moseley , Roman Garnett

This paper considers the optimal adaptive allocation of measurement effort for identifying the best among a finite set of options or designs. An experimenter sequentially chooses designs to measure and observes noisy signals of their…

机器学习 · 计算机科学 2018-06-11 Daniel Russo