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Test-time adaptation (TTA) allows a model to be adapted to an unseen domain without accessing the source data. Due to the nature of practical environments, TTA has a limited amount of data for adaptation. Recent TTA methods further restrict…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Younggeol Cho , Youngrae Kim , Junho Yoon , Seunghoon Hong , Dongman Lee

Vision-language models suffer performance degradation under domain shift, limiting real-world applicability. Existing test-time adaptation methods are computationally intensive, rely on back-propagation, and often focus on single…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Yi Zhang , Chun-Wun Cheng , Angelica I. Aviles-Rivero , Zhihai He , Liang-Jie Zhang

Using MCMC to sample from a target distribution, $\pi(x)$ on a $d$-dimensional state space can be a difficult and computationally expensive problem. Particularly when the target exhibits multimodality, then the traditional methods can fail…

统计方法学 · 统计学 2026-01-14 Nicholas G. Tawn , Gareth O. Roberts

Pulsar timing observations are usually analysed with least-square-fitting procedures under the assumption that the timing residuals are uncorrelated (statistically "white"). Pulsar observers are well aware that this assumption often breaks…

天体物理仪器与方法 · 物理学 2015-05-28 W. Coles , G. Hobbs , D. J. Champion , R. N. Manchester , J. P. W. Verbiest

Blurring mean shift (BMS) algorithm, a variant of the mean shift algorithm, is a kernel-based iterative method for data clustering, where data points are clustered according to their convergent points via iterative blurring. In this paper,…

机器学习 · 计算机科学 2024-02-26 Ryoya Yamasaki , Toshiyuki Tanaka

Comparing data defined over space and time is notoriously hard, because it involves quantifying both spatial and temporal variability, while at the same time taking into account the chronological structure of data. Dynamic Time Warping…

机器学习 · 统计学 2019-11-12 Hicham Janati , Marco Cuturi , Alexandre Gramfort

This paper proposes a specification-guided framework for control of nonlinear systems with linear temporal logic (LTL) specifications. In contrast with well-known abstraction-based methods, the proposed framework directly characterizes the…

系统与控制 · 电气工程与系统科学 2022-05-03 Yinan Li , Zhibing Sun , Jun Liu

Accurately diagnosing bearing faults is crucial for maintaining the efficient operation of rotating machinery. However, traditional diagnosis methods face challenges due to the diversification of application environments, including…

信号处理 · 电气工程与系统科学 2024-11-06 Laifa Tao , Haifei Liu , Guoao Ning , Wenyan Cao , Bohao Huang , Chen Lu

We derived a number of numerical methods to treat biomolecular systems with multiple time scales. Based on the splitting of the operators associated with the slow-varying and fast-varying forces, new multiple time-stepping (MTS) methods are…

数值分析 · 数学 2015-01-15 Chao Liang , Xiaolan Yuan , Xiantao Li

Model merging offers a scalable alternative to multi-task learning but often yields suboptimal performance on classification tasks. We attribute this degradation to a geometric misalignment between the merged encoder and static…

机器学习 · 计算机科学 2026-02-03 Fanshuang Kong , Richong Zhang , Zhijie Nie , Hang Zhou , Ziqiao Wang , Qiang Sun , Chunming Hu

Multivariate time series (MTS) anomaly diagnosis, which encompasses both anomaly detection and localization, is critical for the safety and reliability of complex, large-scale real-world systems. The vast majority of existing anomaly…

机器学习 · 计算机科学 2026-02-10 Charalampos Shimillas , Kleanthis Malialis , Konstantinos Fokianos , Marios M. Polycarpou

Comprehensive Two dimensional gas chromatography (GCxGC) plays a central role into the elucidation of complex samples. The automation of the identification of peak areas is of prime interest to obtain a fast and repeatable analysis of…

计算机视觉与模式识别 · 计算机科学 2017-02-28 Camille Couprie , Laurent Duval , Maxime Moreaud , Sophie Hénon , Mélinda Tebib , Vincent Souchon

Solving systems of Boolean equations is a fundamental task in symbolic computation and algebraic cryptanalysis, with wide-ranging applications in cryptography, coding theory, and formal verification. Among existing approaches, the Boolean…

密码学与安全 · 计算机科学 2026-04-21 Minzhong Luo , Yudong Sun , Yin Long

We propose a novel approach for estimating the location of block boundaries (change-points) in a random matrix consisting of a block wise constant matrix observed in white noise. Our method consists in rephrasing this task as a variable…

应用统计 · 统计学 2016-03-14 Vincent Brault , Julien Chiquet , Céline Lévy-Leduc

The construction of high-quality parallel corpora for translation research has increasingly evolved from simple sentence alignment to complex, multi-layered annotation tasks. This methodological shift presents significant challenges for…

计算与语言 · 计算机科学 2026-02-12 Baorong Huang , Ali Asiri

Adapting large pre-trained models to unseen tasks under tight data and compute budgets remains challenging. Meta-learning approaches explicitly learn good initializations, but they require an additional meta-training phase over many tasks,…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Junghwan Park , Woojin Cho , Junhyuk Heo , Darongsae Kwon , Kookjin Lee

Medical vision-language models (VLMs) are strong zero-shot recognizers for medical imaging, but their reliability under domain shift hinges on calibrated uncertainty with guarantees. Split conformal prediction (SCP) offers finite-sample…

计算机视觉与模式识别 · 计算机科学 2026-02-20 Behzad Bozorgtabar , Dwarikanath Mahapatra , Sudipta Roy , Muzammal Naseer , Imran Razzak , Zongyuan Ge

With the development of visual-language models (VLM) in downstream task applications, test-time adaptation methods based on VLM have attracted increasing attention for their ability to address changes distribution in test-time. Although…

计算机视觉与模式识别 · 计算机科学 2025-02-28 Chenhao Ding , Xinyuan Gao , Songlin Dong , Yuhang He , Qiang Wang , Xiang Song , Alex Kot , Yihong Gong

The Hellings-Downs (HD) correlation, which characterizes the signature of a stochastic gravitational wave background measured via Pulsar Timing Arrays (PTA), is derived using a harmonic formalism. This approach closely follows the framework…

广义相对论与量子宇宙学 · 物理学 2025-04-25 Cyril Pitrou , Giulia Cusin

An efficient monotone data augmentation (MDA) algorithm is proposed for missing data imputation for incomplete multivariate nonnormal data that may contain variables of different types, and are modeled by a sequence of regression models…

统计方法学 · 统计学 2018-11-21 Yongqiang Tang