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A recent paper [J. A. Evans, D. Kamensky, Y. Bazilevs, "Variational multiscale modeling with discretely divergence-free subscales", Computers & Mathematics with Applications, 80 (2020) 2517-2537] introduced a novel stabilized finite element…

Numerical Analysis · Mathematics 2021-12-21 Sajje Lee Calfy , John A. Evans , David Kamensky

Understanding the structure of complex, nonstationary, high-dimensional time-evolving signals is a central challenge in scientific data analysis. In many domains, such as speech and biomedical signal processing, the ability to learn…

Machine Learning · Computer Science 2026-01-13 Ioannis Ziogas , Aamna Al Shehhi , Ahsan H. Khandoker , Leontios J. Hadjileontiadis

Temporal difference (TD) learning is a popular algorithm for policy evaluation in reinforcement learning, but the vanilla TD can substantially suffer from the inherent optimization variance. A variance reduced TD (VRTD) algorithm was…

Machine Learning · Computer Science 2020-01-13 Tengyu Xu , Zhe Wang , Yi Zhou , Yingbin Liang

Recent advancements in sequence prediction have significantly improved the accuracy of video data interpretation; however, existing models often overlook the potential of attention-based mechanisms for next-frame prediction. This study…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Yiqiao Yin

Deep learning can accurately represent sub-grid-scale convective processes in climate models, learning from high resolution simulations. However, deep learning methods usually lack interpretability due to large internal dimensionality,…

Atmospheric and Oceanic Physics · Physics 2022-09-07 Gunnar Behrens , Tom Beucler , Pierre Gentine , Fernando Iglesias-Suarez , Michael Pritchard , Veronika Eyring

Explainable anomaly detection methods often have the capability to identify and spatially localise anomalies within an image but lack the capability to differentiate the type of anomaly. Furthermore, they often require the costly training…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Alex George , Lyudmila Mihaylova , Sean Anderson

Multimodal Industrial Anomaly Detection (MIAD), which utilizes 3D point clouds and 2D RGB images to identify abnormal regions in products, plays a crucial role in industrial quality inspection. However, traditional MIAD settings assume that…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Bingchen Miao , Wenqiao Zhang , Juncheng Li , Wangyu Wu , Siliang Tang , Zhaocheng Li , Haochen Shi , Jun Xiao , Yueting Zhuang

Recent studies of multimodal industrial anomaly detection (IAD) based on 3D point clouds and RGB images have highlighted the importance of exploiting the redundancy and complementarity among modalities for accurate classification and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Wenbo Sui , Daniel Lichau , Josselin Lefèvre , Harold Phelippeau

Detecting anomalies in real-world multivariate time series data is challenging due to complex temporal dependencies and inter-variable correlations. Recently, reconstruction-based deep models have been widely used to solve the problem.…

Machine Learning · Computer Science 2023-12-06 Junho Song , Keonwoo Kim , Jeonglyul Oh , Sungzoon Cho

Machine learning techniques in multi-view settings face significant challenges, particularly when integrating heterogeneous data, aligning feature spaces, and managing view-specific biases. These issues are prominent in neuroscience, where…

Machine Learning · Computer Science 2025-08-14 Ambroise Heurtebise , Omar Chehab , Pierre Ablin , Alexandre Gramfort

One of the challenges of studying common neurological disorders is disease heterogeneity including differences in causes, neuroimaging characteristics, comorbidities, or genetic variation. Normative modelling has become a popular method for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Ana Lawry Aguila , James Chapman , Andre Altmann

Most existing video anomaly detectors rely solely on RGB frames, which lack the temporal resolution needed to capture abrupt or transient motion cues, key indicators of anomalous events. To address this limitation, we propose Image-Event…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Sungheon Jeong , Jihong Park , Mohsen Imani

Raman spectroscopy (RS) has been widely used for disease diagnosis, e.g., cardiovascular disease (CVD), owing to its efficiency and component-specific testing capabilities. A series of popular deep learning methods have recently been…

Image and Video Processing · Electrical Eng. & Systems 2023-04-20 Bo Yu , Hechang Chen , Chengyou Jia , Hongren Zhou , Lele Cong , Xiankai Li , Jianhui Zhuang , Xianling Cong

Video Anomaly Detection (VAD) serves as a pivotal technology in the intelligent surveillance systems, enabling the temporal or spatial identification of anomalous events within videos. While existing reviews predominantly concentrate on…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Yang Liu , Dingkang Yang , Yan Wang , Jing Liu , Jun Liu , Azzedine Boukerche , Peng Sun , Liang Song

Multivariate Time Series Anomaly Detection (MTSAD) is critical for real-world monitoring scenarios such as industrial control and aerospace systems. Mainstream reconstruction-based anomaly detection methods suffer from two key limitations:…

Machine Learning · Computer Science 2026-04-13 Jun Liu , Ying Chen , Ziqian Lu , Qinyue Tong , Jun Tang

Median absolute deviation (hereafter MAD) is known as a robust alternative to the ordinary variance. It has been widely utilized to induce robust statistical inferential procedures. In this paper, we investigate the strong and weak Bahadur…

Statistics Theory · Mathematics 2018-03-01 Qing Liu , Xiaohui Liu

We present a method for depth estimation with monocular images, which can predict high-quality depth on diverse scenes up to an affine transformation, thus preserving accurate shapes of a scene. Previous methods that predict metric depth…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Wei Yin , Xinlong Wang , Chunhua Shen , Yifan Liu , Zhi Tian , Songcen Xu , Changming Sun , Dou Renyin

As a core step in structure-from-motion and SLAM, robust feature detection and description under challenging scenarios such as significant viewpoint changes remain unresolved despite their ubiquity. While recent works have identified the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Gonglin Chen , Tianwen Fu , Haiwei Chen , Wenbin Teng , Hanyuan Xiao , Yajie Zhao

Sparse query-based paradigms have achieved significant success in multi-view 3D detection for autonomous vehicles. Current research faces challenges in balancing between enlarging receptive fields and reducing interference when aggregating…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Jiasen Wang , Zhenglin Li , Ke Sun , Xianyuan Liu , Yang Zhou

The correlation between the vision and text is essential for video moment retrieval (VMR), however, existing methods heavily rely on separate pre-training feature extractors for visual and textual understanding. Without sufficient temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Dezhao Luo , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu