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Calibrating for direction-dependent ionospheric distortions in visibility data is one of the main technical challenges that must be overcome to advance low-frequency radio astronomy. In this paper, we propose a novel probabilistic,…

天体物理仪器与方法 · 物理学 2020-01-15 J. G. Albert , M. S. S. L. Oei , R. J. van Weeren , H. T. Intema , H. J. A. Röttgering

The goal of extrinsic calibration is the alignment of sensor data to ensure an accurate representation of the surroundings and enable sensor fusion applications. From a safety perspective, sensor calibration is a key enabler of autonomous…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Ilir Tahiraj , Jeremialie Swadiryus , Felix Fent , Markus Lienkamp

This paper proposes a new Bayesian strategy for the smooth estimation of altimetric parameters. The altimetric signal is assumed to be corrupted by a thermal and speckle noise distributed according to an independent and non identically…

应用统计 · 统计学 2016-04-20 Abderrahim Halimi , Corinne Mailhes , Jean-Yves Tourneret , Hichem Snoussi

Machine learning classifiers often produce probabilistic predictions that are critical for accurate and interpretable decision-making in various domains. The quality of these predictions is generally evaluated with proper losses, such as…

机器学习 · 计算机科学 2025-06-26 Eugène Berta , David Holzmüller , Michael I. Jordan , Francis Bach

Diffuse direct time-of-flight LiDARs report per-pixel depth histograms formed by aggregating photon returns over a wide instantaneous field of view, violating the single-ray assumption behind standard LiDAR-RGB calibration. We present a…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Nikhil Behari , Ramesh Raskar

The measurement of large scale patterns or anisotropies in the arrival direction of high energy cosmic rays is an important step towards the understanding of their origin. Such measurements rely on an accurate estimation of the detector…

天体物理学 · 物理学 2009-06-23 E. M. Santos , C. Bonifazi , A. Letessier-Selvon

Entropic Outlier Sparsification (EOS) is proposed as a robust computational strategy for the detection of data anomalies in a broad class of learning methods, including the unsupervised problems (like detection of non-Gaussian outliers in…

统计方法学 · 统计学 2022-06-08 Illia Horenko

Oversampled adaptive sensing (OAS) is a recently proposed Bayesian framework which sequentially adapts the sensing basis. In OAS, estimation quality is, in each step, measured by conditional mean squared errors (MSEs), and the basis for the…

信息论 · 计算机科学 2018-11-16 Ralf R. Müller , Ali Bereyhi , Christoph F. Mecklenbräuker

Recent research demonstrates that linear models achieve forecasting performance competitive with complex architectures, yet methodologies for enhancing linear models remain underexplored. Motivated by the hypothesis that distinct time…

机器学习 · 计算机科学 2025-10-13 Zipo Jibao , Yingyi Fu , Xinyang Chen , Guoting Chen

In this paper, we discuss an imitation learning based method for reducing the calibration error for a mixed reality system consisting of a vision sensor and a projector. Unlike a head mounted display, in this setup, augmented information is…

机器人学 · 计算机科学 2022-12-20 Shubham Sonawani , Yifan Zhou , Heni Ben Amor

Arbitrary Detuning ASynchronous OPtical Sampling (ADA-SOPS) is an emerging technique for extending standard pump--probe experiments performed with two femtosecond lasers to multitimescale experiments, which are of great interest for the…

光学 · 物理学 2026-04-17 Laura Antonucci , A. Bonvalet , X. Solinas , M. Joffre

Tasking machine learning to predict segments of a time series requires estimating the parameters of a ML model with input/output pairs from the time series. Using the equivalence between statistical data assimilation and supervised machine…

机器学习 · 计算机科学 2019-06-18 Alexander J. A. Ty , Zheng Fang , Rivver A. Gonzalez , Paul J. Rozdeba , Henry D. I. Abarbanel

The emergence of Agile Earth Observation Satellites (AEOSs) has marked a significant turning point in the field of Earth Observation (EO), offering enhanced flexibility in data acquisition. Concurrently, advancements in onboard satellite…

网络与互联网体系结构 · 计算机科学 2025-06-16 Antonio M. Mercado-Martínez , Beatriz Soret , Antonio Jurado-Navas

In the recent literature on machine learning and decision making, calibration has emerged as a desirable and widely-studied statistical property of the outputs of binary prediction models. However, the algorithmic aspects of measuring model…

机器学习 · 计算机科学 2024-06-24 Lunjia Hu , Arun Jambulapati , Kevin Tian , Chutong Yang

In view of the current efforts to extend the KASCADE experiment (KASCADE-Grande) for observations of Extensive Air Showers (EAS) of primary energies up to 1 EeV, the features of muon arrival time distributions and their correlations with…

天体物理学 · 物理学 2008-11-26 I. M. Brancus , H. Rebel , A. F. Badea , A. Haungs , C. D. Aiftimiei , J. Oehlschlaeger , M. Duma

While automotive radar sensors are widely adopted and have been used for automatic cruise control and collision avoidance tasks, their application outside of vehicles is still limited. As they have the ability to resolve multiple targets in…

机器人学 · 计算机科学 2023-06-26 Alexander Tsaregorodtsev , Michael Buchholz , Vasileios Belagiannis

This paper addresses the problem of detecting time series outliers, focusing on systems with repetitive behavior, such as industrial robots operating on production lines.Notable challenges arise from the fact that a task performed multiple…

人工智能 · 计算机科学 2026-02-13 Charlotte Lacoquelle , Xavier Pucel , Louise Travé-Massuyès , Axel Reymonet , Benoît Enaux

Observations with ground-based telescopes are affected by differential atmospheric dispersion due to the wavelength-dependent index of refraction of the atmosphere. The usage of an Atmospheric Dispersion Corrector (ADC) is fundamental to…

天体物理仪器与方法 · 物理学 2020-10-14 B. Wehbe , A. Cabral , G. Avila

Arbitrary-oriented object detection is a relatively emerging but challenging task. Although remarkable progress has been made, there still remain many unsolved issues due to the large diversity of patterns in orientation, scale, aspect…

计算机视觉与模式识别 · 计算机科学 2023-07-11 Peng Sun , Yongbin Zheng , Wenqi Wu , Wanying Xu , Shengjian Bai

This letter proposes a multiple parametric dictionary learning algorithm for direction of arrival (DOA) estimation in presence of array gain-phase error and mutual coupling. It jointly solves both the DOA estimation and array imperfection…

机器学习 · 计算机科学 2017-07-25 H. Ghanbari , H. Zayyani , E. Yazdian