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Real-world machine learning applications often face simultaneous covariate and semantic shifts, challenging traditional domain generalization and out-of-distribution (OOD) detection methods. We introduce Meta-learned Across Domain…

机器学习 · 计算机科学 2024-11-06 Haoliang Wang , Chen Zhao , Feng Chen

The advent of large-scale self-supervised learning (SSL) has produced a vast zoo of medical foundation models. However, selecting optimal medical foundation models for specific segmentation tasks remains a computational bottleneck. Existing…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Jiaqi Tang , Shaoyang Zhang , Xiaoqi Wang , Jiaying Zhou , Yang Liu , Qingchao Chen

This paper introduces a universal approach to seamlessly combine out-of-distribution (OOD) detection scores. These scores encompass a wide range of techniques that leverage the self-confidence of deep learning models and the anomalous…

机器学习 · 统计学 2024-06-25 Eduardo Dadalto , Florence Alberge , Pierre Duhamel , Pablo Piantanida

Neural ordinary differential equations (NODEs) have been proven useful for learning non-linear dynamics of arbitrary trajectories. However, current NODE methods capture variations across trajectories only via the initial state value or by…

机器学习 · 计算机科学 2023-11-14 Ilze Amanda Auzina , Çağatay Yıldız , Sara Magliacane , Matthias Bethge , Efstratios Gavves

Temporal logic inference is the process of extracting formal descriptions of system behaviors from data in the form of temporal logic formulas. The existing temporal logic inference methods mostly neglect uncertainties in the data, which…

人工智能 · 计算机科学 2021-06-01 Nasim Baharisangari , Jean-Raphaël Gaglione , Daniel Neider , Ufuk Topcu , Zhe Xu

Out-of-distribution (OOD) detection identifies test samples that differ from the training data, which is critical to ensuring the safety and reliability of machine learning (ML) systems. While a plethora of methods have been developed to…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Viet Duong , Qiong Wu , Zhengyi Zhou , Eric Zavesky , Jiahe Chen , Xiangzhou Liu , Wen-Ling Hsu , Huajie Shao

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

Outlier detection is critical in real applications to prevent financial fraud, defend network intrusions, or detecting imminent device failures. To reduce the human effort in evaluating outlier detection results and effectively turn the…

机器学习 · 计算机科学 2023-09-04 Yu Wang , Lei Cao , Yizhou Yan , Samuel Madden

Out-of-distribution (OOD) object detection is a critical task focused on detecting objects that originate from a data distribution different from that of the training data. In this study, we investigate to what extent state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Sadia Ilyas , Ido Freeman , Matthias Rottmann

Eye-tracking data reveals valuable insights into users' cognitive states but is difficult to analyze due to its structured, non-linguistic nature. While large language models (LLMs) excel at reasoning over text, they struggle with temporal…

人机交互 · 计算机科学 2025-07-25 Dongyang Guo , Yasmeen Abdrabou , Enkeleda Thaqi , Enkelejda Kasneci

Background: Autism spectrum disorder (ASD) is characterized by significant clinical and biological heterogeneity. Conventional group-mean analyses of eye movements often mask individual atypicalities, potentially overlooking critical…

神经元与认知 · 定量生物学 2026-05-12 Emiko Shishido , Seiko Miyata , Tetsuya Yamamoto , Masaki Fukunaga , Ryota Hashimoto , Kenichiro Miura , Norio Ozaki

Multi-modal object tracking integrates auxiliary modalities such as depth, thermal infrared, event flow, and language to provide additional information beyond RGB images, showing great potential in improving tracking stabilization in…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Shiyu Xuan , Zechao Li , Jinhui Tang

Discovering patterns and detecting anomalies in individual travel behavior is a crucial problem in both research and practice. In this paper, we address this problem by building a probabilistic framework to model individual spatiotemporal…

社会与信息网络 · 计算机科学 2021-06-15 Lijun Sun , Xinyu Chen , Zhaocheng He , Luis F. Miranda-Moreno

Out-of-distribution (OOD) detection is crucial for ensuring reliable deployment of machine learning models. Recent advancements focus on utilizing easily accessible auxiliary outliers (e.g., data from the web or other datasets) in training.…

机器学习 · 计算机科学 2024-11-22 Haiyun Yao , Zongbo Han , Huazhu Fu , Xi Peng , Qinghua Hu , Changqing Zhang

Outlier detection (OD) is a key learning task for finding rare and deviant data samples, with many time-critical applications such as fraud detection and intrusion detection. In this work, we propose TOD, the first tensor-based system for…

机器学习 · 计算机科学 2022-09-20 Yue Zhao , George H. Chen , Zhihao Jia

This study develops FusionTransNet, a framework designed for Origin-Destination (OD) flow predictions within smart and multimodal urban transportation systems. Urban transportation complexity arises from the spatiotemporal interactions…

机器学习 · 计算机科学 2024-05-10 Binwu Wang , Yan Leng , Guang Wang , Yang Wang

We propose two new outlier detection methods, for identifying and classifying different types of outliers in (big) functional data sets. The proposed methods are based on an existing method called Massive Unsupervised Outlier Detection…

统计方法学 · 统计学 2021-10-15 Oluwasegun Taiwo Ojo , Antonio Fernández Anta , Rosa E. Lillo , Carlo Sguera

A large amount of data resulting from trajectories of moving objects activities are collected thanks to localization based services and some associated automated processes. Trajectories data can be used either for transactional and analysis…

数据库 · 计算机科学 2011-02-23 Wided Oueslati , Jalel Akaichi

Tabular anomaly detection (TAD) remains challenging due to the heterogeneity of tabular data: features lack natural relationships, vary widely in distribution and scale, and exhibit diverse types. Consequently, each TAD method makes…

机器学习 · 计算机科学 2026-05-07 Hangting Ye , He Zhao , Wei Fan , Xiaozhuang Song , Dandan Guo , Yi Chang , Hongyuan Zha

Trajectory anomaly detection is crucial for effective decision-making in urban and human mobility management. Existing methods of trajectory anomaly detection generally focus on training a trajectory generative model and evaluating the…

机器学习 · 计算机科学 2024-10-28 Haoji Hu , Jina Kim , Jinwei Zhou , Sofia Kirsanova , JangHyeon Lee , Yao-Yi Chiang