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We revisit the precision of the measurement of track parameters (position, angle) with optimal methods in the presence of detector resolution, multiple scattering and zero magnetic field. We then obtain an optimal estimator of the track…

数据分析、统计与概率 · 物理学 2017-07-04 Mikael Frosini , Denis Bernard

Many causal parameters depend on a moment of the joint distribution of potential outcomes. Such parameters are especially relevant in policy evaluation settings, where noncompliance is common and accommodated through the model of Imbens &…

计量经济学 · 经济学 2023-11-17 Daniel Ober-Reynolds

Optimal estimation is a promising tool for estimation of payloads' inertial parameters and localization of robots in the presence of multiple contacts. To harness its advantages in robotics, it is crucial to solve these large and…

机器人学 · 计算机科学 2025-02-21 Sergi Martinez , Robert J. Griffin , Carlos Mastalli

Multi-object tracking algorithms are deployed in various applications, each with different performance requirements. For example, track switches pose significant challenges for offline scene understanding, as they hinder the accuracy of…

系统与控制 · 电气工程与系统科学 2025-08-29 Jan Krejčí , Oliver Kost , Ondřej Straka , Yuxuan Xia , Lennart Svensson , Ángel F. García-Fernández

Low-energy electron recoils are of interest in several planned and proposed future nuclear and particle physics experiments. The topology and directions of such recoils provide important particle identification and kinematical constraints,…

仪器与探测器 · 物理学 2025-02-19 Majd Ghrear , Sven E. Vahsen

Network-centric multitarget tracking under communication constraints is considered, where dimension-reduced track estimates are exchanged. Previous work on target tracking in this subfield has focused on fusion aspects only and derived…

信号处理 · 电气工程与系统科学 2023-06-06 Robin Forsling , Zoran Sjanic , Fredrik Gustafsson , Gustaf Hendeby

This paper presents a generalization of the trajectory general optimal sub-pattern assignment (GOSPA) metric for evaluating multi-object tracking algorithms that provide trajectory estimates with track-level uncertainties. This metric…

信号处理 · 电气工程与系统科学 2025-06-19 Yuxuan Xia , Ángel F. García-Fernández , Johan Karlsson , Yu Ge , Lennart Svensson , Ting Yuan

The geometric-mean method is often used to estimate the spatial resolution of a position-sensitive detector probed by tracks. It calculates the resolution solely from measured track data without using a detailed tracking simulation and…

数据分析、统计与概率 · 物理学 2016-07-13 Aiwu Zhang , Marcus Hohlmann

We present a novel formulation of the multiple object tracking problem which integrates low and mid-level features. In particular, we formulate the tracking problem as a quadratic program coupling detections and dense point trajectories.…

计算机视觉与模式识别 · 计算机科学 2016-07-26 Roberto Henschel , Laura Leal-Taixé , Bodo Rosenhahn , Konrad Schindler

Track detectors in high energy physics experiments require an accurate determination of a large number of alignment parameters. A general method has been developed, which allows the determination of up to several thousand alignment…

高能物理 - 实验 · 物理学 2007-05-23 Volker Blobel , Claus Kleinwort

This paper introduces a boundary integral equation for time-harmonic electromagnetic scattering by composite dielectric objects. The formulation extends the classical M\"uller equation to composite structures through the global multi-trace…

数值分析 · 数学 2026-01-21 Van Chien Le , Kristof Cools

A semianalytic method to estimate the angular resolution of tracks, that have been reconstructed by a likelihood approach, is presented. The optimal choice of coordinate systems and resolution parameters, as well as tests of the method are…

天体物理学 · 物理学 2009-11-10 Till Neunhöffer

A multiplicative effects model is introduced for the identification of the factors that are influential to the performance of highly-trained endurance runners. The model extends the established power-law relationship between performance…

应用统计 · 统计学 2015-07-02 Ioannis Kosmidis , Louis Passfield

Target characterization is an important step in many defense missions, often relying on fitting a known target model to observed data. Optimization of model parameters can be computationally expensive depending on the model complexity, thus…

信号处理 · 电气工程与系统科学 2022-06-07 Zachary Chance , Adam Kern , Arianna Burch , Justin Goodwin

We describe an end-to-end framework for learning parameters of min-cost flow multi-target tracking problem with quadratic trajectory interactions including suppression of overlapping tracks and contextual cues about cooccurrence of…

计算机视觉与模式识别 · 计算机科学 2016-10-14 Shaofei Wang , Charless C. Fowlkes

The scattering of two and more particles at low energies is described by the so called effective-range expansion. The leading terms of this expansion are the scattering length and effective range. The analytic expressions for both of the…

核理论 · 物理学 2021-10-06 Evgeny Z. Liverts

A long-term visual object tracking performance evaluation methodology and a benchmark are proposed. Performance measures are designed by following a long-term tracking definition to maximize the analysis probing strength. The new measures…

计算机视觉与模式识别 · 计算机科学 2019-06-21 Alan Lukežič , Luka Čehovin Zajc , Tomáš Vojíř , Jiří Matas , Matej Kristan

We investigate the inverse scattering problem for tracking the location and orientation of a moving scatterer using a single incident field. We solve the problem by adopting the optimization approach with the objective function defined by…

偏微分方程分析 · 数学 2026-02-02 Woojoo Lee , Mikyoung Lim , Sangwoo Kang

We propose an analytical framework based on stochastic geometry (SG) formulations to estimate a radar's detection performance under generalized discrete clutter conditions. We model the spatial distribution of discrete clutter scatterers as…

信号处理 · 电气工程与系统科学 2022-01-21 Shobha Sundar Ram , Gaurav Singh , Gourab Ghatak

In this work, we expand the weighted delta-tracking routine to include a treatment for scattering. The weighted delta-tracking routine adds survival biasing to normal delta-tracking, improving problem figure of merit. In the original…

计算物理 · 物理学 2018-12-06 J. S. Rehak , L. M. Kerby , M. D. DeHart , R. N. Slaybaugh
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