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相关论文: Trajectory Anomaly Detection with Language Models

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Detecting anomalies in business processes is crucial for ensuring operational success. While many existing methods rely on statistical frequency to detect anomalies, it's important to note that infrequent behavior doesn't necessarily imply…

计算与语言 · 计算机科学 2025-12-16 Wei Guan , Jian Cao , Jianqi Gao , Haiyan Zhao , Shiyou Qian

Anomaly driving detection is an important problem in advanced driver assistance systems (ADAS). It is important to identify potential hazard scenarios as early as possible to avoid potential accidents. This study proposes an unsupervised…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Yuning Qiu , Teruhisa Misu , Carlos Busso

Inexpensive sensing and computation, as well as insurance innovations, have made smart dashboard cameras ubiquitous. Increasingly, simple model-driven computer vision algorithms focused on lane departures or safe following distances are…

计算机视觉与模式识别 · 计算机科学 2020-05-13 Sanjay Haresh , Sateesh Kumar , M. Zeeshan Zia , Quoc-Huy Tran

Natural language provides an intuitive and expressive way of conveying human intent to robots. Prior works employed end-to-end methods for learning trajectory deformations from language corrections. However, such methods do not generalize…

机器人学 · 计算机科学 2024-01-09 J-Anne Yow , Neha Priyadarshini Garg , Manoj Ramanathan , Wei Tech Ang

Corner cases are the main bottlenecks when applying Artificial Intelligence (AI) systems to safety-critical applications. An AI system should be intelligent enough to detect such situations so that system developers can prepare for…

机器学习 · 计算机科学 2019-07-02 Vidyasagar Sadhu , Teruhisa Misu , Dario Pompili

Advances in sensor technology have enabled the collection of large-scale datasets. Such datasets can be extremely noisy and often contain a significant amount of outliers that result from sensor malfunction or human operation faults. In…

机器学习 · 计算机科学 2018-08-28 Yu-Hsuan Kuo , Zhenhui Li , Daniel Kifer

We study anomaly detection and introduce an algorithm that processes variable length, irregularly sampled sequences or sequences with missing values. Our algorithm is fully unsupervised, however, can be readily extended to supervised or…

机器学习 · 统计学 2020-05-26 Oguzhan Karaahmetoglu , Fatih Ilhan , Ismail Balaban , Suleyman Serdar Kozat

Detecting rare events is essential in various fields, e.g., in cyber security or maintenance. Often, human experts are supported by anomaly detection systems as continuously monitoring the data is an error-prone and tedious task. However,…

机器学习 · 计算机科学 2023-02-08 Max Schemmer , Joshua Holstein , Niklas Bauer , Niklas Kühl , Gerhard Satzger

We present a reward-predictive, model-based deep learning method featuring trajectory-constrained visual attention for local planning in visual navigation tasks. Our method learns to place visual attention at locations in latent image space…

机器人学 · 计算机科学 2022-05-27 Stefan Wapnick , Travis Manderson , David Meger , Gregory Dudek

Anomaly detection in continuous-time dynamic graphs is an emerging field yet under-explored in the context of learning algorithms. In this paper, we pioneer structured analyses of link-level anomalies and graph representation learning for…

机器学习 · 计算机科学 2024-10-01 Tim Poštuvan , Claas Grohnfeldt , Michele Russo , Giulio Lovisotto

Process data, temporally ordered categorical observations, are of recent interest due to its increasing abundance and the desire to extract useful information. A process is a collection of time-stamped events of different types, recording…

统计方法学 · 统计学 2025-01-08 Guanhua Fang , Zhiliang Ying

Time series are ubiquitous and occur naturally in a variety of applications -- from data recorded by sensors in manufacturing processes, over financial data streams to climate data. Different tasks arise, such as regression, classification…

机器学习 · 计算机科学 2024-09-17 Sebastian Wette , Florian Heinrichs

Detecting anomalies in traffic scenes is crucial for ensuring safety in autonomous driving, yet collecting representative anomalous data remains challenging. Existing anomaly detection methods are highly specialized and rely on normality as…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Albert Schotschneider , Daniel Bogdoll , Svetlana Pavlitska , Ahmed Abouelazm , Johann Marius Zoellner

Leveraging deep learning models for Anomaly Detection (AD) has seen widespread use in recent years due to superior performances over traditional methods. Recent deep methods for anomalies in images learn better features of normality in an…

计算与语言 · 计算机科学 2021-04-13 Andrei Manolache , Florin Brad , Elena Burceanu

This work introduces a live anomaly detection system for high frequency and high-dimensional data collected at regional scale such as Origin Destination Matrices of mobile positioning data. To take into account different granularity in time…

应用统计 · 统计学 2022-05-25 Stefano Maria Iacus , Francesco Sermi , Spyridon Spyratos , Dario Tarchi , Michele Vespe

Time-series anomaly detection (TSAD) increasingly demands explanations that articulate not only if an anomaly occurred, but also what pattern it exhibits and why it is anomalous. Leveraging the impressive explanatory capabilities of Large…

机器学习 · 计算机科学 2025-11-12 Tian Lan , Hao Duong Le , Jinbo Li , Wenjun He , Meng Wang , Chenghao Liu , Chen Zhang

Large language models (LLMs) have shown their potential in long-context understanding and mathematical reasoning. In this paper, we study the problem of using LLMs to detect tabular anomalies and show that pre-trained LLMs are zero-shot…

机器学习 · 计算机科学 2024-06-25 Aodong Li , Yunhan Zhao , Chen Qiu , Marius Kloft , Padhraic Smyth , Maja Rudolph , Stephan Mandt

Spacecraft faces various situations when carrying out exploration missions in complex space, thus monitoring the anomaly status of spacecraft is crucial to the development of \textcolor{blue}{the} aerospace industry. The time series…

机器学习 · 计算机科学 2023-03-14 Liang Liu , Ling Tian , Zhao Kang , Tianqi Wan

Recent advances in digitization have led to the availability of multivariate time series data in various domains, enabling real-time monitoring of operations. Identifying abnormal data patterns and detecting potential failures in these…

机器学习 · 计算机科学 2023-10-10 Fan Wang , Keli Wang , Boyu Yao

Multi-Agentic AI systems, powered by large language models (LLMs), are inherently non-deterministic and prone to silent failures such as drift, cycles, and missing details in outputs, which are difficult to detect. We introduce the task of…

人工智能 · 计算机科学 2025-11-07 Divya Pathak , Harshit Kumar , Anuska Roy , Felix George , Mudit Verma , Pratibha Moogi