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相关论文: Recognizing a Spatial Extreme dependence structure…

200 篇论文

Spatial dependence, referring to the correlation between variable values observed at different geographic locations, is one of the most fundamental characteristics of spatial data. The presence of spatial dependence violates the classical…

物理与社会 · 物理学 2025-06-23 Chuan Chen , Peng Luo

Deep Learning is gaining traction with geophysics community to understand subsurface structures, such as fault detection or salt body in seismic data. This study describes using deep learning method for iceberg or ship recognition with…

机器学习 · 计算机科学 2018-12-19 Cheng Zhan , Licheng Zhang , Zhenzhen Zhong , Sher Didi-Ooi , Youzuo Lin , Yunxi Zhang , Shujiao Huang , Changchun Wang

Perception plays an important role in reliable decision-making for autonomous vehicles. Over the last ten years, huge advances have been made in the field of perception. However, perception in extreme weather conditions is still a difficult…

图像与视频处理 · 电气工程与系统科学 2021-10-25 Kaige Wang , Long Chen , TIanming Wang , Qixiang Meng , Huatao Jiang , Lin Chang

We explore the dependence structure in the sampled sequence of large networks. We consider randomized algorithms to sample the nodes and study extremal properties in any associated stationary sequence of characteristics of interest like…

社会与信息网络 · 计算机科学 2015-02-25 Konstantin Avrachenkov , Natalia M. Markovich , Jithin K. Sreedharan

We present here two promising techniques for the application of the complex network approach to continuous spatio-temporal systems that have been developed in the last decade and show large potential for future application and development…

数据分析、统计与概率 · 物理学 2015-07-19 Norbert Marwan , Jürgen Kurths

Suppose that we observe a short time series where each time-t-specific data-structure consists of many slightly dependent data indexed by a and that we want to estimate a feature of the law of the experiment that depends neither on t nor on…

统计理论 · 数学 2021-07-29 Geoffrey Ecoto , Aurélien Bibaut , Antoine Chambaz

Weather Recognition plays an important role in our daily lives and many computer vision applications. However, recognizing the weather conditions from a single image remains challenging and has not been studied thoroughly. Generally, most…

计算机视觉与模式识别 · 计算机科学 2019-04-25 Bin Zhao , Xuelong Li , Xiaoqiang Lu , Zhigang Wang

Spacecraft operations are highly critical, demanding impeccable reliability and safety. Ensuring the optimal performance of a spacecraft requires the early detection and mitigation of anomalies, which could otherwise result in unit or…

机器学习 · 计算机科学 2024-05-20 Daniel Lakey , Tim Schlippe

In a changing climate, artificial intelligence (AI) weather models have the potential to provide cheaper, faster, and more accurate forecasts of high-impact weather events. To realize this potential and gauge trustworthiness, there is a…

大气与海洋物理 · 物理学 2026-03-24 Rebecca Baiman , Ankur Mahesh , Elizabeth A. Barnes

Change detection using earth observation data plays a vital role in quantifying the impact of disasters in affected areas. While data sources like Sentinel-2 provide rich optical information, they are often hindered by cloud cover, limiting…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Ritu Yadav , Andrea Nascetti , Yifang Ban

This paper addresses the problem of joint detection and recounting of abnormal events in videos. Recounting of abnormal events, i.e., explaining why they are judged to be abnormal, is an unexplored but critical task in video surveillance,…

计算机视觉与模式识别 · 计算机科学 2017-09-27 Ryota Hinami , Tao Mei , Shin'ichi Satoh

This paper presents the development and evaluation of a custom Convolutional Neural Network (CustomCNN) created to study how architectural design choices affect multi-domain image classification tasks. The network uses residual connections,…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Shamik Shafkat Avro , Nazira Jesmin Lina , Shahanaz Sharmin

This paper addresses the challenges of complex dependencies and diverse anomaly patterns in cloud service environments by proposing a dependency modeling and anomaly detection method that integrates contrastive learning. The method…

机器学习 · 计算机科学 2025-10-16 Yue Xing , Yingnan Deng , Heyao Liu , Ming Wang , Yun Zi , Xiaoxuan Sun

Convolutional Neural Networks (CNN) possess many positive qualities when it comes to spatial raster data. Translation invariance enables CNNs to detect features regardless of their position in the scene. However, in some domains, like…

机器学习 · 计算机科学 2020-07-13 Arnas Uselis , Mantas Lukoševičius , Lukas Stasytis

Robust Mask R-CNN (Mask Regional Convolu-tional Neural Network) methods are proposed and tested for automatic detection of cracks on structures or their components that may be damaged during extreme events, such as earth-quakes. We curated…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Yongsheng Bai , Halil Sezen , Alper Yilmaz

Unmanned Aerial Vehicles (UAVs), equipped with camera sensors can facilitate enhanced situational awareness for many emergency response and disaster management applications since they are capable of operating in remote and difficult to…

计算机视觉与模式识别 · 计算机科学 2019-06-21 Christos Kyrkou , Theocharis Theocharides

Land Cover (LC) mapping using satellite imagery is critical for environmental monitoring and management. Deep Learning (DL), particularly Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs), have revolutionized this field by…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Luigi Russo , Antonietta Sorriso , Silvia Liberata Ullo , Paolo Gamba

To advance automated detection of extreme weather events, which are increasing in frequency and intensity with climate change, we explore modifications to a novel light-weight Context Guided convolutional neural network architecture trained…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Romain Lacombe , Hannah Grossman , Lucas Hendren , David Lüdeke

Extreme values of real phenomena are events that occur with low frequency, but can have a large impact on real life. These are, in many practical problems, high-dimensional by nature (e.g. Tawn, 1990; Coles and Tawn, 1991). To study these…

统计方法学 · 统计学 2015-08-25 Boris Beranger , Simone A. Padoan

In multivariate extreme value analysis, the nature of the extremal dependence between variables should be considered when selecting appropriate statistical models. Interest often lies with determining which subsets of variables can take…

统计方法学 · 统计学 2022-07-19 Emma S. Simpson , Jennifer L. Wadsworth , Jonathan A. Tawn