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Spatial and visual connectivity are important metrics when developing workplace layouts. Calculating those metrics in real-time can be difficult, depending on the size of the floor plan being analysed and the resolution of the analyses.…

机器学习 · 计算机科学 2020-01-01 Sherif Tarabishy , Stamatios Psarras , Marcin Kosicki , Martha Tsigkari

Ensemble weather predictions typically show systematic errors that have to be corrected via post-processing. Even state-of-the-art post-processing methods based on neural networks often solely rely on location-specific predictors that…

机器学习 · 计算机科学 2022-04-12 Sebastian Lerch , Kai L. Polsterer

We present an autoencoder that leverages learned representations to better measure similarities in data space. By combining a variational autoencoder with a generative adversarial network we can use learned feature representations in the…

机器学习 · 计算机科学 2016-02-12 Anders Boesen Lindbo Larsen , Søren Kaae Sønderby , Hugo Larochelle , Ole Winther

This paper concerns a class of monotone eigenvalue problems with eigenvector nonlinearities (mNEPv). The mNEPv is encountered in applications such as the computation of joint numerical radius of matrices, best rank-one approximation of…

数值分析 · 数学 2022-11-11 Zhaojun Bai , Ding Lu

Intermediate feature representations represent the backbone for the expressivity and adaptability of deep neural networks. However, their geometric structure remains poorly understood. In this submission, we provide indirect insights into…

机器学习 · 计算机科学 2026-05-13 Elias B. Krey , Nils Neukirch , Nils Strodthoff

Spatial models for occupancy data are used to estimate and map the true presence of a species, which may depend on biotic and abiotic factors as well as spatial autocorrelation. Traditionally researchers have accounted for spatial…

应用统计 · 统计学 2021-05-05 Narmadha M. Mohankumar , Trevor J. Hefley

Spatial classification with limited feature observations has been a challenging problem in machine learning. The problem exists in applications where only a subset of sensors are deployed at certain spots or partial responses are collected…

机器学习 · 计算机科学 2020-09-03 Arpan Man Sainju , Wenchong He , Zhe Jiang , Da Yan , Haiquan Chen

Spatial processes observed in various fields, such as climate and environmental science, often occur on a large scale and demonstrate spatial nonstationarity. Fitting a Gaussian process with a nonstationary Mat\'ern covariance is…

机器学习 · 统计学 2023-06-21 Pratik Nag , Yiping Hong , Sameh Abdulah , Ghulam A. Qadir , Marc G. Genton , Ying Sun

Comparing spatial data sets is a ubiquitous task in data analysis, however the presence of spatial autocorrelation means that standard estimates of variance will be wrong and tend to over-estimate the statistical significance of…

应用统计 · 统计学 2024-01-12 Rudy Arthur

Mobile ground robots require perceiving and understanding their surrounding support surface to move around autonomously and safely. The support surface is commonly estimated based on exteroceptive depth measurements, e.g., from LiDARs.…

机器人学 · 计算机科学 2023-05-16 Anqiao Li , Chenyu Yang , Jonas Frey , Joonho Lee , Cesar Cadena , Marco Hutter

Image feature matching plays a vital role in many computer vision tasks. Although many image feature detection and matching techniques have been proposed over the past few decades, it is still time-consuming to match feature points in two…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Chin-Hung Teng , Ben-Jian Dong

Self-supervised learning of convolutional neural networks can harness large amounts of cheap unlabeled data to train powerful feature representations. As surrogate task, we jointly address ordering of visual data in the spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Uta Büchler , Biagio Brattoli , Björn Ommer

Machine learning approaches have recently enabled autonomous navigation for mobile robots in a data-driven manner. Since most existing learning-based navigation systems are trained with data generated in artificially created training…

机器人学 · 计算机科学 2022-10-11 Zifan Xu , Anirudh Nair , Xuesu Xiao , Peter Stone

Spatial concurrent linear models, in which the model coefficients are spatial processes varying at a local level, are flexible and useful tools for analyzing spatial data. One approach places stationary Gaussian process priors on the…

应用统计 · 统计学 2012-02-03 Zuofeng Shang , Murray K. Clayton

In this paper, we focus on the model specification problem in multivariate spatial econometric models when a candidate set for the spatial weights matrix is available. We propose a model selection method for the multivariate spatial…

统计方法学 · 统计学 2025-09-09 Xin Miao , Fang Fang , Xuening Zhu , Hansheng Wang

We present a self-supervised task on point clouds, in order to learn meaningful point-wise features that encode local structure around each point. Our self-supervised network, named MortonNet, operates directly on unstructured/unordered…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Ali Thabet , Humam Alwassel , Bernard Ghanem

Recently, there has been growing interest in the use of machine-learning methods for predicting solar flares. Initial efforts along these lines employed comparatively simple models, correlating features extracted from observations of…

太阳与恒星天体物理 · 物理学 2023-06-21 Varad Deshmukh , Srinivas Baskar , Elizabeth Bradley , Thomas Berger , James D. Meiss

A common challenge faced in quantum physics is finding the extremal eigenvalues and eigenvectors of a Hamiltonian matrix in a vector space so large that linear algebra operations on general vectors are not possible. There are numerous…

核理论 · 物理学 2018-07-18 Dillon Frame , Rongzheng He , Ilse Ipsen , Daniel Lee , Dean Lee , Ermal Rrapaj

Event-based cameras are dynamic vision sensors that provide asynchronous measurements of changes in per-pixel brightness at a microsecond level. This makes them significantly faster than conventional frame-based cameras, and an appealing…

计算机视觉与模式识别 · 计算机科学 2021-10-01 Sai Vemprala , Sami Mian , Ashish Kapoor

Until quite recently, the backbone of nearly every state-of-the-art computer vision model has been the 2D convolution. At its core, a 2D convolution simultaneously mixes information across both the spatial and channel dimensions of a…

计算机视觉与模式识别 · 计算机科学 2025-03-24 George Cazenavette , Joel Julin , Simon Lucey