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Visual analytics of time dependent 2D point clouds

Tatiana von Landesberger, Sebastian Bremm, Peyman Rezaei, Tobias Schreck
2009 Computer Graphics International on - CGI '09  
In this short paper, we therefore present an improved visual analysis of such point clouds.  ...  However, it shows scalability problems for data sets of increasing size, of multiple classes and of time-dependency.  ...  Acknowledgments This work was partially funded by the German Research Foundation DFG within Priority Programme 1335: Scalable Visual Analytics under grant SCHR 1229/1-1.  ... 
doi:10.1145/1629739.1629751 dblp:conf/cgi/LandesbergerBRS09 fatcat:h2b34erlunfjlpdtja6gfx3w7e

Visual analytics of EA data

Evelyne Lutton, Jean-Daniel Fekete
2011 Proceedings of the 13th annual conference companion on Genetic and evolutionary computation - GECCO '11  
The purpose of this paper is to evaluate the potential interest of a recent visual analytics tool for navigating in complex sets of EA data, and to sketch future developements of this tool, in order to  ...  Usual features of existing EA visualisation systems consist in visualising time-or generation-dependent curves (fitness, diversity, or other statistics).  ...  A visualisation of the population cloud for the 2D Weierstrass function of dimension 0.2 is given on figure 1 .  ... 
doi:10.1145/2001858.2001940 dblp:conf/gecco/LuttonF11 fatcat:jx6xswzbfvgtxa6ogp5gp4nbay

Visual Analysis for Nowcasting of Multidimensional Lightning Data

Stefan Peters, Liqiu Meng
2013 ISPRS International Journal of Geo-Information  
The paper is specifically focused on enabling users to conduct the visual analysis of lightning data for the purpose of identification and interpretation of spatial-temporal patterns embedded in lightning  ...  In contrast to previous work, our approach provides insight into the dynamics of past and predicted 3D lightning clusters and cluster features over time.  ...  Acknowledgments The authors gratefully acknowledge Nowcast Company for providing lightning test dataset and the support of the Graduate Center Civil Geo and Environmental Engineering at Technische Universitä  ... 
doi:10.3390/ijgi2030817 fatcat:hfeazzaaajd45kcvfqnb64rpvi

Unfold High-Dimensional Clouds for Exhaustive Gating of Flow Cytometry Data

Peng Qiu
2014 IEEE/ACM Transactions on Computational Biology & Bioinformatics  
The proposed method views single-cell data of one biological sample as a high-dimensional point cloud of cells, derives the skeleton of the cloud, and unfolds the skeleton to generate 2D visualizations  ...  Instead of automating the analysis, we develop novel visualizations to facilitate manual gating.  ...  The content is solely the responsibility of the author and does not necessarily represent the official views of the National Cancer Institute or the National Institutes of Health.  ... 
doi:10.1109/tcbb.2014.2321403 pmid:26357042 pmcid:PMC4866872 fatcat:lgqrvp3khjhghfsnhjyzn2skqi

Geovisual analytics: human factors

Arzu Coltekin, Chris Pettit, Bo Wu
2015 International Journal of Digital Earth  
Visual analytics aims at combining the strengths of machines and humans (Keim et al. 2010) .  ...  Tackling another important aspect of human experience with Digital Earth-related visualization environments, Bleisch and Dykes (2014) offer a comparative view of human performance with 2D and 3D displays  ...  Acknowledgments This special issue resulted from a technical session run by the TC Working Group II/6 Geographical Visualization and Virtual Reality at the 22nd ISPRS Congress, held in Melbourne from 25  ... 
doi:10.1080/17538947.2015.1047173 fatcat:ep3zt6gj7rajlafajfblw3m42i

Taming The Beast: Free And Open-Source Massive Point Cloud Web Visualization

Oscar Martinez-Rubi, Stefan Verhoeven, Maarten Van Meersbergen, Markus Schutz, Peter Van Oosterom, Romulo Goncalves, Theo Tijssen
2015 Zenodo  
Powered by WebGL, some renderers have recently become available for the visualization of point cloud data over the web, for example Plasio or Potree.  ...  We have extended Potree to be able to visualize massive point clouds and we have successfully used it with the second national Lidar survey of the Netherlands, AHN2, with 640 billion points.  ...  Acknowledgements We thank all the members of the project Massive Point Clouds for eSciences, which is supported in part by the Netherlands eScience Center under project code 027.012.101.  ... 
doi:10.5281/zenodo.1051100 fatcat:uw5pekgpffegnogt6jstxfa2fa

Visual analytics of 3D LiDAR point clouds in robotics operating systems

Alia Mohd Azri, Shuzlina Abdul-Rahman, Raseeda Hamzah, Zalilah Abd Aziz, Nordin Abu Bakar
2020 Bulletin of Electrical Engineering and Informatics  
This paper presents visual analytics of 3D LiDAR point clouds in robotics operating system.  ...  In this study, experiment on Simultaneous Localization and M apping (SLAM ) using point cloud data derived from the Light Detection and Ranging (LiDAR) technology is conducted.  ...  ACKNOWLEDGEMENTS The authors would like to thank the Institute of Quality & Knowledge Advancement (InQKA) for the publication fee and the Faculty of Computer & Mathematical Sciences for all the given support  ... 
doi:10.11591/eei.v9i2.2061 fatcat:pavgdbc74rabxilrvomjaxgele

Towards a SLAM-based augmented reality application for the 3D annotation of rock art

Violette Abergel, Kévin Jacquot, Livio De Luca, Philippe Veron
2019 International Journal of Virtual Reality  
We will also raise the perspectives that this opens up for heritage survey and documentation, in particular in terms of visualization enhancement.  ...  They now raise new issues and challenges, particularly in the management of multidimensional datasets, which require the development of new methods for the analysis, interpretation and sharing of heterogeneous  ...  ACKNOWLEDGMENTS The authors would like to thank the Centre National de la Préhistoire and the Syndicat Mixte de la Grotte Chauvet for their support and for the loan of the facsimile.  ... 
doi:10.20870/ijvr.2019.19.2.2910 fatcat:3enj3bxjlzbj7fw2pvdzq6ywqy

scSVA: an interactive tool for big data visualization and exploration in single-cell omics [article]

Marcin Tabaka, Joshua Gould, Aviv Regev
2019 bioRxiv   pre-print
We present scSVA (single-cell Scalable Visualization and Analytics), a lightweight R package for interactive two- and three-dimensional visualization and exploration of massive single-cell omics data.  ...  of 3D data visualizations at the scale of a million cells.  ...  For interactive analytics in a cloud (currently with Google Cloud Platform), containerized code of the tool ensures reproducible research [10] and eliminates the .  ... 
doi:10.1101/512582 fatcat:ydmbeqgxsfce3epbf76ovhwx3m

Visual Analysis of Population Scatterplots [chapter]

Evelyne Lutton, Julie Foucquier, Nathalie Perrot, Jean Louchet, Jean-Daniel Fekete
2012 Lecture Notes in Computer Science  
We investigate how visual analytic tools can deal with the huge amount of data produced during the run of an evolutionary algorithm.  ...  Visual interpretation of population data is not used very often by the EA community for experimental analysis.  ...  A visualisation of the population cloud for the 2D Weierstrass function with dimension 0.2 is given on figure 3 .  ... 
doi:10.1007/978-3-642-35533-2_6 fatcat:j4myvtwqnjbrzheu4uts5y7vpy

Accelerating Surface Tension Calculation in SPH via Particle Classification and Monte Carlo Integration

Fernando Zorilla, Marcel Ritter, Johannes Sappl, Wolfgang Rauch, Matthias Harders
2020 Computers  
It outperforms prior approaches with regard to total computation time per time step in dynamic scenes.  ...  Our overall technique is applicable, but not limited to 2D and 3D simulations, and can be coupled with any common SPH formulation.  ...  Figure 5 . 5 Visualization of normal estimation and smoothing in 2D. (a): point cloud with surface (blue) and non-surface (green) particles.  ... 
doi:10.3390/computers9020023 fatcat:h2bv2koilramzo4qwbh2ye5dsa

Accelerating Surface Tension Calculation in SPH via Particle Classification Monte Carlo Integration [article]

Fernando Zorrilla and Johannes Sappl and Wolfgang Rauch and Matthias Harders
2019 arXiv   pre-print
It outperforms prior approaches with regard to total computation time per time step, while being stable and avoiding artifacts.  ...  The technique is applicable, but not limited to 2D and 3D simulations, and can be coupled with any common SPH formulation.  ...  The latter were both obtained for the geometry of a 2D circle; a random 2D point cloud is generated by sampling the geometry.  ... 
arXiv:1912.01942v1 fatcat:ectk7zfkkjgqxcpytlfoadg2ke

DEVELOPMENT OF A GEO-ANALYTICS PLATFORM FOR POST-DISASTER GROUND ASSESSMENT

K. Atasoy, S. Kocaman
2021 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
Thanks to the availability of multi-platform and high-resolution geospatial datasets, vast amount of geodata can be collected and analyzed for obtaining timely information on land's surface before and  ...  In this study, a web-based platform called EQ4D was designed and implemented to present the multi-sensor and multi-platform 4D data to the stakeholders, and to allow for basic geo-analytical processes  ...  ACKNOWLEDGEMENTS This research is part of the M.Sc. thesis of the first author.  ... 
doi:10.5194/isprs-archives-xliii-b3-2021-685-2021 fatcat:uinwh75ubvg6vgtsnfzzwo34hu

Using modular 3D digital earth applications based on point clouds for the study of complex sites

Oscar Martinez-Rubi, Maurice de Kleijn, Stefan Verhoeven, Niels Drost, Jisk Attema, Maarten van Meersbergen, Rob van Nieuwpoort, Rens de Hond, Eduardo Dias, Pjotr Svetachov
2016 International Journal of Digital Earth  
Special thanks are due to Markus Schütz (developer of Potree) as well as the Harvest4D project and other sponsors of Potree.  ...  Roberto Scopigno, Matteo Dellepiane and Marco Callieri from CNR-ISTI for teaching us about 3DHOP in the summer school on 2D/3D documentation for archaeology (funded by the Ariadne project FP7-INFRASTRUCTURES  ...  Analytic and semantic functionality In addition to the visualization of multiple types of data, the client applications must also have analytic and semantic functionality.  ... 
doi:10.1080/17538947.2016.1205673 fatcat:tjsmuhnbsncq3bynd4gtijqozm

Filling the Void in Archaeological Excavations: 2D Point Clouds to 3D Volumes

Gary R. Nobles, Christopher H. Roosevelt
2021 Open Archaeology  
Drawing on datasets from the Kaymakçı Archaeological Project (KAP) in western Turkey, the article shows the potential for programmatic creation of volumetric contextual units from 2D point cloud datasets  ...  Visualisations of such surfaces, whether as point clouds or meshes, are commonly viewed as an end result in and of themselves, when they could be considered the beginning of a fully volumetric way of recording  ...  Kaner for their supervision of the meticulous excavation and recording of area 99.526 at  ... 
doi:10.1515/opar-2020-0149 fatcat:gipqjii7ybexlj63p7rrme5jce
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