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We develop methodology for three-dimensional (3D) radial visualization (RadViz) of multidimensional datasets. The classical two-dimensional (2D) RadViz visualizes multivariate data in the 2D plane by mapping every observation to a point…

Methodology · Statistics 2022-11-01 Yifan Zhu , Fan Dai , Ranjan Maitra

We examine visual representations of data that make use of combinations of both 2D and 3D data mappings. Combining 2D and 3D representations is a common technique that allows viewers to understand multiple facets of the data with which they…

Human-Computer Interaction · Computer Science 2024-04-25 Jiayi Hong , Rostyslav Hnatyshyn , Ebrar A. D. Santos , Ross Maciejewski , Tobias Isenberg

Recently, the traffic congestion in modern cities has become a growing worry for the residents. As presented in Baidu traffic report, the commuting stress index has reached surprising 1.973 in Beijing during rush hours, which results in…

Artificial Intelligence · Computer Science 2019-10-29 Xianfeng Liang , Likang Wu , Joya Chen , Yang Liu , Runlong Yu , Min Hou , Han Wu , Yuyang Ye , Qi Liu , Enhong Chen

The role of spatial data in tackling city-related tasks has been growing in recent years. To use them in machine learning models, it is often necessary to transform them into a vector representation, which has led to the development in the…

Machine Learning · Computer Science 2021-11-05 Piotr Gramacki

This paper aims to investigate representation learning for large scale visual place recognition, which consists of determining the location depicted in a query image by referring to a database of reference images. This is a challenging task…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Amar Ali-bey , Brahim Chaib-draa , Philippe Giguère

Detecting regional spatial structures based on spatial interactions is crucial in applications ranging from urban planning to traffic control. In the big data era, various movement trajectories are available for studying spatial structures.…

Physics and Society · Physics 2016-02-03 Xi Liu , Li Gong , Yongxi Gong , Yu Liu

Data quality assessment process is essential to ensure reliable analytical outcomes. This process depends on human supervision-driven approaches since it is impossible to determine a defect based only on data. Visualization systems belong…

Databases · Computer Science 2018-09-27 João Marcelo Borovina Josko , João Eduardo Ferreira

Dynamic graph visualization attracts researchers' concentration as it represents time-varying relationships between entities in multiple domains (e.g., social media analysis, academic cooperation analysis, team sports analysis). Integrating…

Human-Computer Interaction · Computer Science 2022-06-13 Baofeng Chang , Sujia Zhu , Qi Jiang , Wang Xia , Jingwei Tang , Lvhan Pan , Ronghua Liang , Guodao Sun

Graph vertex ordering is widely employed in spatial data analysis, especially in urban analytics, where street graphs serve as spatial discretization for modeling and simulation. It is also crucial for visualization, as many methods require…

Graphics · Computer Science 2025-10-23 Karelia Salinas , Victor Barella , Thales Viera , Luis Gustavo Nonato

For over half a century, the computer mouse has been the primary tool for interacting with digital data, yet it remains a limiting factor in exploring complex, multi-scale scientific images. Traditional 2D visualization methods hinder…

Big data has been used widely in many areas including the transportation industry. Using various data sources, traffic states can be well estimated and further predicted for improving the overall operation efficiency. Combined with this…

Machine Learning · Computer Science 2022-02-21 Weiwei Jiang , Jiayun Luo

New tools are needed to handle the growth of data in astrophysics delivered by recent and upcoming surveys. We aim to build open-source, light, flexible, and interactive software designed to visualize extensive three-dimensional (3D)…

Instrumentation and Methods for Astrophysics · Physics 2017-04-26 M. Argudo-Fernández , S. Duarte Puertas , J. E. Ruiz , J. Sabater , S. Verley , G. Bergond

We propose to build realistic virtual worlds, called 360RVW, for large urban environments directly from 360{\deg} videos. We provide an interface for interactive exploration, where users can freely navigate via their own avatars. 360{\deg}…

Multimedia · Computer Science 2025-10-14 Mizuki Takenawa , Naoki Sugimoto , Leslie Wöhler , Satoshi Ikehata , Kiyoharu Aizawa

In this work we propose a software platform for the collection, visualization, management and analysis of heterogeneous and multisource data for soil characteristics estimation. The platform is designed in such a way that it can easily…

Computers and Society · Computer Science 2022-11-14 Flavio Piccoli , Simone Locatelli , Paolo Napoletano , Raimondo Schettini

3D visualization is an important data analysis and knowledge discovery tool, however, interactive visualization of large 3D astronomical datasets poses a challenge for many existing data visualization packages. We present a solution to…

Instrumentation and Methods for Astrophysics · Physics 2010-09-21 A. H. Hassan , C. J. Fluke , D. G. Barnes

Given a large social or computer network, how can we visualize it, find patterns, outliers, communities? Although several graph visualization tools exist, they cannot handle large graphs with hundred thousand nodes and possibly million…

Social and Information Networks · Computer Science 2015-07-07 Jose Rodrigues , Agma Traina , Christos Faloutsos , Caetano Traina

The demand for mobile robots has rapidly increased in recent years due to the flexibility and high variety of application fields comparing to static robots. To deal with complex tasks such as navigation, they work with high amounts of…

Robotics · Computer Science 2019-12-30 Linh Kästner , Jens Lambrecht

This paper presents Living Globe, an application for visualization of demo- graphic data supporting the temporal comparison of data from several countries represented on a 3D globe. Living Globe allows the visual exploration of the…

Human-Computer Interaction · Computer Science 2016-07-21 Eduardo Duarte , Pedro Bordonhos , Paulo Dias , Beatriz Sousa Santos

Geographic Information Systems (GIS) are widely used in different domains of applications, such as maritime navigation, museums visits and route planning, as well as ecological, demographical and economical applications. Nowadays,…

Information Retrieval · Computer Science 2012-08-14 Saida Aissi , Mohamed Salah Gouider

Cities play a pivotal role in human development and sustainability, yet studying them presents significant challenges due to the vast scale and complexity of spatial-temporal data. One such challenge is the need to uncover universal urban…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-04 Zhenhui Li , Hongwei Zhang , Kan Wu