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Enabling autonomous robots to operate robustly in challenging environments is necessary in a future with increased autonomy. For many autonomous systems, estimation and odometry remains a single point of failure, from which it can often be…

机器人学 · 计算机科学 2024-03-11 Morten Nissov , Nikhil Khedekar , Kostas Alexis

Outlier detection aims to identify unusual data instances that deviate from expected patterns. The outlier detection is particularly challenging when outliers are context dependent and when they are defined by unusual combinations of…

人工智能 · 计算机科学 2015-05-18 Charmgil Hong , Milos Hauskrecht

This paper utilizes an anomaly detection algorithm to check if underwater gliders are operating normally in the unknown ocean environment. Glider pilots can be warned of the detected glider anomaly in real time, thus taking over the glider…

机器人学 · 计算机科学 2022-12-29 Ruochu Yang , Mengxue Hou , Chad Lembke , Catherine Edwards , Fumin Zhang

Tensor completion is the problem of estimating the missing values of high-order data from partially observed entries. Data corruption due to prevailing outliers poses major challenges to traditional tensor completion algorithms, which…

机器学习 · 计算机科学 2022-08-15 Yicong He , George K. Atia

This paper introduces a novel and distributed method for detecting inter-map loop closure outliers in simultaneous localization and mapping (SLAM). The proposed algorithm does not rely on a good initialization and can handle more than two…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Arman Karimian , Ziqi Yang , Roberto Tron

We propose a new outlier detection method for multi-dimensional data. The method detects outliers based on vector cosine similarity, using a new dataset constructed by adding a dimension with zero values to the original data. When a point…

机器学习 · 计算机科学 2026-01-06 Zhongyang Shen

Rotation estimation plays a fundamental role in many computer vision and robot tasks. However, efficiently estimating rotation in large inputs containing numerous outliers (i.e., mismatches) and noise is a recognized challenge. Many robust…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Taosi Xu , Yinlong Liu , Xianbo Wang , Zhi-Xin Yang

We present an unsupervised deep neural network approach to the fusion of RGB-D imagery with inertial measurements for absolute trajectory estimation. Our network, dubbed the Visual-Inertial-Odometry Learner (VIOLearner), learns to perform…

计算机视觉与模式识别 · 计算机科学 2018-03-16 E. Jared Shamwell , Sarah Leung , William D. Nothwang

Outlier detection in data streams has gained wide importance presently due to the increasing cases of fraud in various applications of data streams. The techniques for outlier detection have been divided into either statistics based,…

分布式、并行与集群计算 · 计算机科学 2010-03-25 Parneeta Dhaliwal , M. P. S. Bhatia , Priti Bansal

Many complex vehicular systems, such as large marine vessels, contain confined spaces like water tanks, which are critical for the safe functioning of the vehicles. It is particularly hazardous for humans to inspect such spaces due to…

机器人学 · 计算机科学 2022-09-02 Benjamin Wong , Wade Marquette , Nikolay Bykov , Tyler M. Paine , Ashis G. Banerjee

Out-of-distribution detection (OOD) deals with anomalous input to neural networks. In the past, specialized methods have been proposed to reject predictions on anomalous input. Similarly, it was shown that feature extraction models in…

机器学习 · 计算机科学 2022-01-25 Jan Diers , Christian Pigorsch

Outlier detection (OD) aims to identify abnormal instances, known as outliers or anomalies, by learning typical patterns of normal data, or inliers. Performing OD under an unsupervised regime-without any information about anomalous…

机器学习 · 统计学 2026-01-21 Minseo Kang , Seunghwan Park , Dongha Kim

Outlier-robust estimation is a fundamental problem and has been extensively investigated by statisticians and practitioners. The last few years have seen a convergence across research fields towards "algorithmic robust statistics", which…

机器学习 · 统计学 2022-12-19 Luca Carlone

A novel unsupervised outlier score, which can be embedded into graph based dimensionality reduction techniques, is presented in this work. The score uses the directed nearest neighbor graphs of those techniques. Hence, the same measure of…

机器学习 · 计算机科学 2021-05-06 Jonas Wurst , Alberto Flores Fernández , Michael Botsch , Wolfgang Utschick

Inspection of insulators is important to ensure reliable operation of the power system. Deep learning is being increasingly exploited to automate the inspection process by leveraging object detection models to analyse aerial images captured…

计算机视觉与模式识别 · 计算机科学 2024-08-28 Laya Das , Blazhe Gjorgiev , Giovanni Sansavini

Oysters are a vital keystone species in coastal ecosystems, providing significant economic, environmental, and cultural benefits. As the importance of oysters grows, so does the relevance of autonomous systems for their detection and…

Circle fitting methods are extensively utilized in various industries, particularly in quality control processes and design applications. The effectiveness of these algorithms can be significantly compromised when the point sets to be…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Ahmet Gökhan Poyraz

This paper introduces a novel approach to detect and address faulty or corrupted external sensors in the context of inertial navigation by leveraging a switching Kalman Filter combined with parameter augmentation. Instead of discarding the…

系统与控制 · 电气工程与系统科学 2024-12-12 Artem Mustaev , Nicholas Galioto , Matt Boler , John D. Jakeman , Cosmin Safta , Alex Gorodetsky

Waterline usually plays as an important visual cue for maritime applications. However, the visual complexity of inland waterline presents a significant challenge for the development of highly efficient computer vision algorithms tailored…

计算机视觉与模式识别 · 计算机科学 2019-11-26 Jing Huang , Hengfeng Miao , Lin Li , Yuanqiao Wen , Changshi Xiao

The unsupervised outlier detection (UOD) problem refers to a task to identify inliers given training data which contain outliers as well as inliers, without any labeled information about inliers and outliers. It has been widely recognized…

机器学习 · 统计学 2024-07-17 Dongha Kim , Jaesung Hwang , Jongjin Lee , Kunwoong Kim , Yongdai Kim