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The design of navigation observers able to simultaneously estimate the position, linear velocity and orientation of a vehicle in a three-dimensional space is crucial in many robotics and aerospace applications. This problem was mainly dealt…

最优化与控制 · 数学 2020-09-21 Miaomiao Wang , Abdelhamid Tayebi

Accurate odometry is a critical component in a robotic navigation stack, and subsequent modules such as planning and control often rely on an estimate of the robot's motion. Sensor-based odometry approaches should be robust across sensor…

机器人学 · 计算机科学 2026-04-17 Meher V. R. Malladi , Tiziano Guadagnino , Luca Lobefaro , Cyrill Stachniss

Trajectory Reconstruction (TR) is vital for accurately mapping movement patterns and validating analyses, especially in fields like robotics, biomechanics, and environmental tracking, where data might be missing or affected by outliers.…

信号处理 · 电气工程与系统科学 2024-10-29 Arslan Majal , Aamir Hussain Chughtai

We introduce an online outlier detection algorithm to detect outliers in a sequentially observed data stream. For this purpose, we use a two-stage filtering and hedging approach. In the first stage, we construct a multi-modal probability…

机器学习 · 计算机科学 2018-03-13 Mohammadreza Mohaghegh Neyshabouri , Suleyman Serdar Kozat

We present an approach to enhance wheeled planetary rover dead-reckoning localization performance by leveraging the use of zero-type constraint equations in the navigation filter. Without external aiding, inertial navigation solutions…

机器人学 · 计算机科学 2020-03-27 Cagri Kilic , Jason N. Gross , Nicholas Ohi , Ryan Watson , Jared Strader , Thomas Swiger , Scott Harper , Yu Gu

This paper presents a framework for classifying and detecting spatial commission outliers in maritime environments using seabed acoustic sensor networks and log Gaussian Cox processes (LGCPs). By modeling target arrivals as a mixture of…

机器学习 · 计算机科学 2025-08-19 Mingyu Kim , Daniel Stilwell , Jorge Jimenez

Tracking underwater autonomous platforms is often difficult because of noisy, biased, and discretized input data. Classic filters and smoothers based on standard assumptions of Gaussian white noise break down when presented with any of…

最优化与控制 · 数学 2019-05-24 Jonathan Jonker , Aleksandr Aravkin , James V. Burke , Gianluigi Pillonetto , Sarah Webster

A comprehensive methodology is provided for smoothing noisy, irregularly sampled data with non-Gaussian noise using smoothing splines. We demonstrate how the spline order and tension parameter can be chosen a priori from physical reasoning.…

统计方法学 · 统计学 2020-02-18 Jeffrey J. Early , Adam M. Sykulski

Outlier detection is an important topic in machine learning and has been used in a wide range of applications. Outliers are objects that are few in number and deviate from the majority of objects. As a result of these two properties, we…

机器学习 · 计算机科学 2022-04-22 Xusheng Du , Enguang Zuo , Zhenzhen He , Jiong Yu

The task of outlier detection is to find small groups of data objects that are exceptional when compared with rest large amount of data. Detection of such outliers is important for many applications such as fraud detection and customer…

数据库 · 计算机科学 2007-05-23 Zengyou He , Xiaofei Xu , Shengchun Deng

We consider state estimation for networked systems where measurements from sensor nodes are contaminated by outliers. A new hierarchical measurement model is formulated for outlier detection by integrating the outlier-free measurement model…

应用统计 · 统计学 2022-11-08 Hongwei Wang , Hongbin Li , Wei Zhang , Junyi Zuo , Heping Wang , Jun Fang

Often the challenge associated with tasks like fraud and spam detection[1] is the lack of all likely patterns needed to train suitable supervised learning models. In order to overcome this limitation, such tasks are attempted as outlier or…

机器学习 · 计算机科学 2018-08-22 Utkarsh Porwal , Smruthi Mukund

Outlier detection in a large-scale database is a significant and complex issue in knowledge discovering field. As the data distributions are obscure and uncertain in high dimensional space, most existing solutions try to solve the issue…

人工智能 · 计算机科学 2014-05-06 Zhana Bao

The performance of inertial navigation systems is largely dependent on the stable flow of external measurements and information to guarantee continuous filter updates and bind the inertial solution drift. Platforms in different operational…

机器人学 · 计算机科学 2026-05-19 Daniel Engelsman , Itzik Klein

Reliable outlier detection in high-dimensional data is crucial in modern science, yet it remains a challenging task. Traditional methods often break down in these settings due to their reliance on asymptotic behaviors with respect to sample…

统计方法学 · 统计学 2025-11-05 Seong-ho Lee , Yongho Jeon

State estimation of dynamical systems from noisy observations is a fundamental task in many applications. It is commonly addressed using the linear Kalman filter (KF), whose performance can significantly degrade in the presence of outliers…

信号处理 · 电气工程与系统科学 2024-08-27 Shunit Truzman , Guy Revach , Nir Shlezinger , Itzik Klein

As a flexible passive 3D sensing means, unsupervised learning of depth from monocular videos is becoming an important research topic. It utilizes the photometric errors between the target view and the synthesized views from its adjacent…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Hualie Jiang , Laiyan Ding , Zhenglong Sun , Rui Huang

Under the sea, visible spectrum cameras have limited sensing capacity, being able to detect objects only in clear water, but in a constrained range. Considering any sea water condition, sonars are more suitable to support autonomous…

计算机视觉与模式识别 · 计算机科学 2019-10-15 Gustavo Neves , Rômulo Cerqueira , Jan Albiez , Luciano Oliveira

LiDAR-based 3D object detectors have achieved unprecedented speed and accuracy in autonomous driving applications. However, similar to other neural networks, they are often biased toward high-confidence predictions or return detections…

计算机视觉与模式识别 · 计算机科学 2023-10-03 Aldi Piroli , Vinzenz Dallabetta , Johannes Kopp , Marc Walessa , Daniel Meissner , Klaus Dietmayer

We consider the problem of building visual anomaly detection systems for mobile robots. Standard anomaly detection models are trained using large datasets composed only of non-anomalous data. However, in robotics applications, it is often…

计算机视觉与模式识别 · 计算机科学 2022-09-21 Dario Mantegazza , Alessandro Giusti , Luca Maria Gambardella , Jérôme Guzzi