2022

Topological Segmentation of 2D Vector Fields

Bujack, Roxana; Bresciani, Etienne; Waters, Jiajia; Schroeder, Will

Topological Segmentation of 2D Vector Fields Journal Article

In: 2022, (LEVIA'22. Leipzig, 06.04.2022 - 07.04.2022).

Abstract | Links | BibTeX | Tags: segmentation, Topology, Vector field

Systematic generation of moment invariant bases for 2D and 3D tensor fields

Bujack, Roxana; Zhang, Xinhua; Suk, Tomáš; Rogers, David

Systematic generation of moment invariant bases for 2D and 3D tensor fields Journal Article

In: Pattern Recognition, vol. 123, pp. 108313, 2022, ISSN: 0031-3203.

Abstract | Links | BibTeX | Tags: Basis, Flexible, Generator approach, moment invariants, pattern detection, Rotation invariant, Tensor, Vector

The non-Riemannian nature of perceptual color space

Bujack, Roxana; Teti, Emily; Miller, Jonah; Caffrey, Elektra; Turton, Terece

The non-Riemannian nature of perceptual color space Journal Article

In: Proceedings of the National Academy of Sciences, vol. 119, no. 18, pp. e2119753119, 2022.

Abstract | Links | BibTeX | Tags: color perception, color theory

Maximum likelihood estimation of difference scaling functions for suprathreshold judgments

Teti, Emily; Turton, Terece; Miller, Jonah; Bujack, Roxana

Maximum likelihood estimation of difference scaling functions for suprathreshold judgments Journal Article

In: Journal of Vision, vol. 22, no. 10, pp. 9-9, 2022, ISSN: 1534-7362.

Abstract | Links | BibTeX | Tags:

Discussion and Visualization of Distinguished Hyperbolic Trajectories as a Generalization of Critical Points to 2D Time-dependent Flow

Bujack, Roxana

Discussion and Visualization of Distinguished Hyperbolic Trajectories as a Generalization of Critical Points to 2D Time-dependent Flow Inproceedings

In: 2022 Topological Data Analysis and Visualization (TopoInVis), pp. 59-69, 2022.

Abstract | Links | BibTeX | Tags: flow, Topology, Vector field, visualization

2021

Interpolation of Scientific Image Databases

Kinner, Eric Georg; Lukasczyk, Jonas; Rogers, David; Maciejewski, Ross; Garth, Christoph

Interpolation of Scientific Image Databases Inproceedings

In: Garth, Christoph; Aurich, Jan C.; Linke, Barbara; Müller, Ralf; Ravani, Bahram; Weber, Gunther H.; Kirsch, Benjamin (Ed.): 2nd International Conference of the DFG International Research Training Group 2057 – Physical Modeling for Virtual Manufacturing (iPMVM 2020), pp. 19:1–19:17, Schloss Dagstuhl -- Leibniz-Zentrum für Informatik, Dagstuhl, Germany, 2021, ISSN: 2190-6807.

Links | BibTeX | Tags: cinema database, image database, image interpolation

A Testing Environment for Continuous Colormaps

Nardini, Pascal; Chen, Min; Bujack, Roxana; Bottinger, Michael; Scheuermann, Gerik

A Testing Environment for Continuous Colormaps Journal Article

In: IEEE Transactions on Visualization and Computer Graphics, vol. 27, no. 2, pp. 1043-1053, 2021.

Abstract | Links | BibTeX | Tags: color perception, scalar analysis, Testing Environment

Open source vector field topology

Bujack, Roxana; Tsai, Karen; Morley, Steven; Bresciani, Etienne

Open source vector field topology Journal Article

In: SoftwareX, vol. 15, pp. 100787, 2021, ISSN: 2352-7110.

Abstract | Links | BibTeX | Tags: Critical point, Separatrix, Topology, Vector field

Automatic Improvement of Continuous Colormaps in Euclidean Colorspaces

Nardini, Pascal; Chen, Min; Böttinger, Michael; Scheuermann, Gerik; Bujack, Roxana

Automatic Improvement of Continuous Colormaps in Euclidean Colorspaces Journal Article

In: Computer Graphics Forum, vol. 40, no. 3, pp. 361-373, 2021.

Abstract | Links | BibTeX | Tags:

2020

A terminology for in situ visualization and analysis systems

Childs, Hank; Ahern, Sean; Ahrens, James; Bauer, Andrew; Bennett, Janine; Bethel, Wes; Bremer, Peer-Timo; Brugger, Eric; Cottam, Joseph; Dorier, Matthieu; Dutta, Soumya; Favre, Jean; Fogal, Thomas; Frey, Steffen; Garth, Christoph; Geveci, Berk; Godoy, William; Hansen, Charles; Harrison, Cyrus; Hentschel, Bernd; Insley, Joseph; Johnson, Chris; Klasky, Scott; Knoll, Aaron; Kress, James; Larsen, Matthew; Lofstead, Jay; Ma, Kwan-Liu; Malakar, Preeti; Meredith, Jeremy; Moreland, Kenneth; Navrátil, Paul; O’Leary, Patrick; Parashar, Manish; Pascucci, Valerio; Patchett, John; Peterka, Tom; Petruzza, Steve; Podhorszki, Norbert; Pugmire, David; Rasquin, Michel; Rizzi, Silvio; Rogers, David; Sane, Sudhanshu; Sauer, Franz; Sisneros, Robert; Shen, Han-Wei; Usher, Will; Vickery, Rhonda; Vishwanath, Venkatram; Wald, Ingo; Wang, Ruonan; Weber, Gunther; Whitlock, Brad; Wolf, Matthew; Yu, Hongfeng; Ziegeler, Sean

A terminology for in situ visualization and analysis systems Journal Article

In: The International Journal of High Performance Computing Applications, vol. 34, no. 6, pp. 676-691, 2020.

Abstract | Links | BibTeX | Tags: in situ processing, scientific visualization

Visualizing Science: How Color Determines What We See

Zeller, Stephanie; Rogers, David

Visualizing Science: How Color Determines What We See Journal Article

In: 2020, (Published in EOS: Science News by AGU).

Abstract | Links | BibTeX | Tags: color, color theory, mathematical geophysics

ETH: A Framework for the Design-Space Exploration of Extreme-Scale Scientific Visualization

Abram, Gregory; Adhinarayanan, Vignesh; Feng, Wu-chun; Rogers, David; Ahrens, James; Wilson, Luke

ETH: A Framework for the Design-Space Exploration of Extreme-Scale Scientific Visualization Journal Article

In: 2020.

Abstract | Links | BibTeX | Tags:

Cinema:Bandit: a visualization application for beamline science demonstrated on XFEL shock physics experiments

Orban, Daniel; Banesh, Divya; Banesh, Cameron; Biwer, Christopher; Biswas, Ayan; Saavedra, Ramon; Sweeney, Christine; Sandberg, Richard; Bolme, C A; Ahrens, James; Rogers, David

Cinema:Bandit: a visualization application for beamline science demonstrated on XFEL shock physics experiments Journal Article

In: Journal of Synchrotron Radiation, vol. 27, no. 1, 2020.

Abstract | Links | BibTeX | Tags: continuous workflow, data visualization, database, real time, XFEL

Enabling Domain Expertise in Scientific Visualization With CinemaScience

Turton, Terece; Banesh, Divya; Overmyer, Trinity; Sims, Ben; Rogers, David

Enabling Domain Expertise in Scientific Visualization With CinemaScience Journal Article

In: IEEE Computer Graphics and Applications, vol. 40, no. 1, pp. 90-98, 2020, ISSN: 1558-1756, (LA-UR-19-29339).

Abstract | Links | BibTeX | Tags:

Cinema Darkroom: A Deferred Rendering Framework for Large-Scale Datasets

Lukasczyk, Jonas; Garth, Christoph; Larsen, Matthew; Engelke, Wito; Hotz, Ingrid; Rogers, David; Ahrens, James; Maciejewski, Ross

Cinema Darkroom: A Deferred Rendering Framework for Large-Scale Datasets Inproceedings

In: 2020 IEEE 10th Symposium on Large Data Analysis and Visualization (LDAV), pp. 37–41, IEEE 2020.

Links | BibTeX | Tags: cinema, post-processing

State of the Art in Time-Dependent Flow Topology: Interpreting Physical Meaningfulness Through Mathematical Properties

Bujack, Roxana; Yan, Lin; Hotz, Ingrid; Garth, Christoph; Wang, Bei

State of the Art in Time-Dependent Flow Topology: Interpreting Physical Meaningfulness Through Mathematical Properties Journal Article

In: Computer Graphics Forum, vol. 39, no. 3, pp. 811-835, 2020.

Abstract | Links | BibTeX | Tags:

A Survey of Seed Placement and Streamline Selection Techniques

Sane, Sudhanshu; Bujack, Roxana; Garth, Christoph; Childs, Hank

A Survey of Seed Placement and Streamline Selection Techniques Journal Article

In: Computer Graphics Forum, vol. 39, no. 3, pp. 785-809, 2020.

Abstract | Links | BibTeX | Tags: • Human-centered computing → Scientific visualization, CCS Concepts

Approaches for In Situ Computation of Moments in a Data-Parallel Environment

Tsai, Karen; Bujack, Roxana; Geveci, Berk; Ayachit, Utkarsh; Ahrens, James

Approaches for In Situ Computation of Moments in a Data-Parallel Environment Inproceedings

In: Frey, Steffen; Huang, Jian; Sadlo, Filip (Ed.): Eurographics Symposium on Parallel Graphics and Visualization, The Eurographics Association, 2020, ISSN: 1727-348X.

Abstract | Links | BibTeX | Tags: • Human-centered computing → Scientific visualization, parallel algorithms, pattern matching

2019

Data Reduction Using Lossy Compression for Cosmology and Astrophysics Workflows

Pulido, Jesus; Lukic, Zarija; Thorman, Paul; Zheng, Caixia; Ahrens, James; Hamann, Bernd

Data Reduction Using Lossy Compression for Cosmology and Astrophysics Workflows Journal Article

In: Journal of Physics: Conference Series, vol. 1290, pp. 012008, 2019.

Links | BibTeX | Tags:

Posterior samples of the parameters of binary black holes from Advanced LIGO, Virgo’s second observing run

De, Soumi; Biwer, Christopher M.; Capano, Collin D.; Nitz, Alexander H.; Brown, Duncan A.

Posterior samples of the parameters of binary black holes from Advanced LIGO, Virgo’s second observing run Journal Article

In: Scientific Data, vol. 6, pp. 81, 2019.

Links | BibTeX | Tags: Data Analysis, Gravitation

PyCBC Inference: A Python-based Parameter Estimation Toolkit for Compact Binary Coalescence Signals

Biwer, Christoper M.; Capano, Collin; De, Soumi; Cabero, Miriam; Brown, Duncan; Nitz, Alexander; Raymond, Vivien

PyCBC Inference: A Python-based Parameter Estimation Toolkit for Compact Binary Coalescence Signals Journal Article

In: Publications of the Astronomical Society of the Pacific, vol. 131, no. 996, pp. 024503, 2019.

Abstract | Links | BibTeX | Tags: Data Analysis, gravitational waves - methods, statistical

Colormapping resources and strategies for organized intuitive environmental visualization

Samsel, Francesca; Wolfram, Phillip; Bares, Annie; Turton, Terece; Bujack, Roxana

Colormapping resources and strategies for organized intuitive environmental visualization Journal Article

In: Environmental Earth Sciences, vol. 78, no. 9, pp. 269, 2019, ISSN: 1866-6280, (LA-UR-19-20060).

Abstract | Links | BibTeX | Tags:

Multivariate Pointwise Information-Driven Data Sampling and Visualization

Dutta, Soumya; Biswas, Ayan; Ahrens, James

Multivariate Pointwise Information-Driven Data Sampling and Visualization Journal Article

In: Entropy, vol. 21, no. 7, 2019, ISSN: 1099-4300, (LA-UR-19-24243).

Abstract | Links | BibTeX | Tags: data reduction, multivariate sampling, query-driven visualization

Leveraging Lagrangian Analysis for Discriminating Nutrient Origins

Dutta, Soumya; Brady, Riley; Maltrud, Mathew; Wolfram, Philip; Bujack, Roxana

Leveraging Lagrangian Analysis for Discriminating Nutrient Origins Inproceedings

In: Bujack, Roxana; Feige, Kathrin; Rink, Karsten; Zeckzer, Dirk (Ed.): Workshop on Visualisation in Environmental Sciences (EnvirVis), pp. 17-24, The Eurographics Association, 2019, ISBN: 978-3-03868-086-4, (LA-UR-19-22455).

Links | BibTeX | Tags: human-centered computing, scientific visualization

Evaluating Image Quality Measures to Assess the Impact of Lossy Data Compression Applied to Climate Simulation Data

Baker, Allison; Hammerling, Dorit; Turton, Terece

Evaluating Image Quality Measures to Assess the Impact of Lossy Data Compression Applied to Climate Simulation Data Journal Article

In: Computer Graphics Forum, 2019, ISSN: 1467-8659, (LA-UR-19-22420).

Links | BibTeX | Tags: data compaction and compression, feature evaluation

Comparison of piecewise linear change point detection with traditional analytical methods for ocean and climate data

Banesh, Divya; Peterson, Mark; Wendelberger, Joanne; Ahrens, James; Hamann, Bernd

Comparison of piecewise linear change point detection with traditional analytical methods for ocean and climate data Journal Article

In: 2019.

Abstract | Links | BibTeX | Tags: change point detection, Fourier transform, ocean data, Wavelets

Exploring Cinema Databases using multi-dimensional Image Measures

Maack, Robin; Rogers, David; Hagen, Hans; Gillmann, Christina

Exploring Cinema Databases using multi-dimensional Image Measures Journal Article

In: 2019.

Abstract | Links | BibTeX | Tags:

The making of continuous colormaps

Nardini, Pascal; Chen, Min; Samsel, Francesca; Bujack, Roxana; Bottinger, Michael; Scheuermann, Gerik

The making of continuous colormaps Journal Article

In: IEEE transactions on visualization and computer graphics, vol. 27, no. 6, pp. 3048–3063, 2019.

Abstract | Links | BibTeX | Tags: ccc-tool, color perception, colormaps

2018

Ocean Current Segmentation at Different Depths and Correlation with Temperature in a MPAS-Ocean Simulation

Gospodnetic, Petra; Banesh, Divya; Wolfram, Phillip; Petersen, Mark; Hagen, Hans; Ahrens, James; Rauhut, Markus

Ocean Current Segmentation at Different Depths and Correlation with Temperature in a MPAS-Ocean Simulation Inproceedings

In: 2018 IEEE Scientific Visualization Conference (SciVis), pp. 62-66, 2018.

Abstract | Links | BibTeX | Tags: image processing, ocean current segmentation, ocean current visualization, ocean currents

Galaxy: Asynchronous Ray Tracing for Large High-Fidelity Visualization

Abram, Greg; Navrátil, Paul; Grossett, Pascal; Rogers, David; Ahrens, James

Galaxy: Asynchronous Ray Tracing for Large High-Fidelity Visualization Inproceedings

In: 2018 IEEE 8th Symposium on Large Data Analysis and Visualization (LDAV), pp. 72-76, 2018, ISSN: null, (LA-UR-18-26088).

Abstract | Links | BibTeX | Tags: computer graphics, human-centered computing, ray tracing, rendering, visualization

Tidal Deformabilities and Radii of Neutron Stars from the Observation of GW170817

De, Soumi; Finstad, Daniel; Lattimer, James; Brown, Duncan; Berger, Edo; Biwer, Christopher

Tidal Deformabilities and Radii of Neutron Stars from the Observation of GW170817 Journal Article

In: Phys. Rev. Lett., vol. 121, pp. 091102, 2018.

Links | BibTeX | Tags: Cosmology & Astrophysics, Gravitation

Observational tests of the black hole area increase law

Cabero, Miriam; Capano, Collin; Fischer-Birnholtz, Ofek; Krishnan, Badri; Nielsen, Alex; Nitz, Alexander; Biwer, Christopher

Observational tests of the black hole area increase law Journal Article

In: Phys. Rev. D, vol. 97, pp. 124069, 2018.

Links | BibTeX | Tags: Cosmology & Astrophysics, Gravitation

Interactive visualization of multi-data-set Rietveld analyses using Cinema:Debye-Scherrer

Vogel, Sven; Biwer, Chris; Rogers, David; Ahrens, James; Hackenberg, Robert; Onken, Drew; Zhang, Jianzhong

Interactive visualization of multi-data-set Rietveld analyses using Cinema:Debye-Scherrer Journal Article

In: Journal of Applied Crystallography, vol. 51, no. 3, pp. 943–951, 2018.

Abstract | Links | BibTeX | Tags: automated analysis, diffraction data analysis, visualization

Remote Visual Analysis of Large Turbulence Databases at Multiple Scales

Pulido, Jesus; Livescu, Daniel; Kanov, Kalin; Burns, Randal; Canada, Curtis; Ahrens, James; Hamann, Bernd

Remote Visual Analysis of Large Turbulence Databases at Multiple Scales Journal Article

In: Journal of Parallel and Distributed Computing, 2018, ISBN: 0743-7315, (LA-UR-17-20757).

Abstract | Links | BibTeX | Tags: Computer Science, data reduction, Databases, Distributed Systems, Mathematics and Computing, remote visualization, turbulence, Wavelets

Measuring the Viewing Angle of GW170817 with Electromagnetic and Gravitational Waves

Finstad, Daniel; De, Soumi; Brown, Duncan; Berger, Edo; Biwer, Christopher

Measuring the Viewing Angle of GW170817 with Electromagnetic and Gravitational Waves Journal Article

In: The Astrophysical Journal Letters, vol. 860, no. 1, pp. L2, 2018.

Abstract | Links | BibTeX | Tags: Cosmology & Astrophysics, Gravitation

Measuring and Modeling the Feature Detection Threshold Functions of Colormaps

Ware, Colin; Turton, Terece; Bujack, Roxana; Samsel, Francesca; Shrivastava, Piyush; Rogers, David

Measuring and Modeling the Feature Detection Threshold Functions of Colormaps Journal Article

In: IEEE Transactions on Visualization and Computer Graphics, pp. 1-1, 2018, ISSN: 1077-2626, (LA-UR-18-21476).

Abstract | Links | BibTeX | Tags: color perception, Colormapping, feature extraction, frequency measurements, Image color analysis, sea measurements, sensitivity, spatial resolution, Task analysis

In Situ Data-driven Adaptive Sampling for Large-scale Simulation Data Summarization

Biswas, Ayan; Dutta, Soumya; Pulido, Jesus; Ahrens, James

In Situ Data-driven Adaptive Sampling for Large-scale Simulation Data Summarization Inproceedings

In: Proceedings of the Workshop on In Situ Infrastructures for Enabling Extreme-Scale Analysis and Visualization, pp. 13–18, ACM, Dallas, Texas, 2018, ISBN: 978-1-4503-6579-6.

Abstract | Links | BibTeX | Tags: human-centered computing, Mathematics and Computing, scientific visualization, statistical paradigms

Color Interpolation for Non-Euclidean Color Spaces

Zeyen, Max; Post, Tobias; Hagen, Hans; Ahrens, James; Rogers, David; Bujack, Roxana

Color Interpolation for Non-Euclidean Color Spaces Inproceedings

In: IEEE Scientific Visualization Conference (SciVis) Short Papers, IEEE, 2018.

Abstract | Links | BibTeX | Tags: visualization, visualization techniques

Ordering Perceptions about Perceptual Order

Bujack, Roxana; Turton, Terece; Rogers, David; Ahrens, James

Ordering Perceptions about Perceptual Order Inproceedings

In: IEEE Scientific Visualization Conference (SciVis) Short Papers, IEEE, 2018.

Abstract | Links | BibTeX | Tags: visualization, visualization techniques

Revisiting the Evaluation of In Situ Lagrangian Analysis

Sane, Sudhanshu; Bujack, Roxana; Childs, Hank

Revisiting the Evaluation of In Situ Lagrangian Analysis Inproceedings

In: Childs, Hank; Cucchietti, Fernando (Ed.): Eurographics Symposium on Parallel Graphics and Visualization, The Eurographics Association, 2018, ISSN: 1727-348X.

Abstract | Links | BibTeX | Tags:

Reducing Occlusion in Cinema Databases through Feature-Centric Visualizations

Bujack, Roxana; Rogers, David; Ahrens, James

Reducing Occlusion in Cinema Databases through Feature-Centric Visualizations Inproceedings

In: Leipzig Symposium on Visualization In Applications (LEVIA), 2018.

Abstract | Links | BibTeX | Tags: cinema, feature, image space, in situ, moment invariants, occlusion, pattern detection

Change Point Detection for Ocean Eddy Analysis

Banesh, Divya; Wendelberger, Joanne; Petersen, Mark; Ahrens, James; Hamann, Bernd

Change Point Detection for Ocean Eddy Analysis Inproceedings

In: Proceedings of the Workshop on Visualisation in Environmental Sciences, pp. 27–33, Eurographics Association, Brno, Czech Republic, 2018, ISBN: 978-3-03868-063-5.

Abstract | Links | BibTeX | Tags: exploratory data analysis, image processing, object detection, regression analysis, time series analysis

2017

Rotation Invariants of Vector Fields from Orthogonal Moments

Yang, Bo; Kostkova, Jitka; Flusser, Jan; Suk, Tomas; Bujack, Roxana

Rotation Invariants of Vector Fields from Orthogonal Moments Journal Article

In: Pattern Recognition, no. Supplement C, pp. 110 - 121, 2017, ISSN: 0031-3203, (LA-UR-17-26797, Under a Creative Comms license: http://creativecommons.org/licenses/by-nc-nd/4.0/).

Abstract | Links | BibTeX | Tags: Numerical stability, visualization

Delivery of In Situ Capability to End Users

Patchett, John; Nouanesengsy, Boonthanome; Ahrens, James; Lang, Michael; Rogers, David; Green, Jennifer; Samsel, Francesca; Cone, Giovanni; Hagen, Hans

Delivery of In Situ Capability to End Users Inproceedings

In: 2017, (USDOE National Nuclear Security Administration (NNSA), LA-UR-17-26655).

Abstract | Links | BibTeX | Tags: In Situ Visualization Analysis; ParaView

A Pipeline for Large Data Processing Using Regular Sampling for Unstructured Grids

Berres, Anne; Adhinarayanan, Vignesh; Turton, Terece; Feng, Wu; Rogers, David

A Pipeline for Large Data Processing Using Regular Sampling for Unstructured Grids Inproceedings

In: 2017, (LA-UR-17-23903).

Abstract | Links | BibTeX | Tags: large-scale data, visualization

Employing Color Theory to Visualize Volume-rendered Multivariate Ensembles of Asteroid Impact Simulations

Samsel, Francesca; Patchett, John; Rogers, David; Tsai, Karen

Employing Color Theory to Visualize Volume-rendered Multivariate Ensembles of Asteroid Impact Simulations Inproceedings

In: Proceedings of the 2017 CHI Conference Extended Abstracts on Human Factors in Computing Systems, pp. 1126-1134, ACM, 2017, ISBN: 978-1-4503-4656-6, (LA-UR-17-20419).

Abstract | Links | BibTeX | Tags: colormaps, ensemble visualization, scientific visualization, visualization design, volume rendering

Deep Water Impact Ensemble Data Set

Patchett, John; Gisler, Galen

Deep Water Impact Ensemble Data Set Technical Report

2017, (LA-UR-17-21595).

Abstract | Links | BibTeX | Tags: asteroid, ensemble data set, In situ analysis, ParaView

Characterizing and Modeling Power and Energy for Extreme-Scale In-Situ Visualization

Adhinarayanan, Vignesh; Feng, Wu-chun; Rogers, David; Ahrens, James; Pakin, Scott

Characterizing and Modeling Power and Energy for Extreme-Scale In-Situ Visualization Inproceedings

In: 2017 IEEE International Parallel and Distributed Processing Symposium (IPDPS), pp. 978-987, 2017, (LA-UR-16-22435).

Abstract | Links | BibTeX | Tags: energy efficiency, in-situ visualization

Homogeneity guided probabilistic data summaries for analysis and visualization of large-scale data sets

Dutta, Soumya; Woodring, Jon; Shen, Han-Wei; Chen, Jen-Ping; Ahrens, James

Homogeneity guided probabilistic data summaries for analysis and visualization of large-scale data sets Inproceedings

In: 2017 IEEE Pacific Visualization Symposium (PacificVis), pp. 111-120, 2017, ISSN: 2165-8773, (LA-UR-18-27370).

Abstract | Links | BibTeX | Tags: data visualization, picture/image generation, statistical computing

Extracting, Visualizing and Tracking Mesoscale Ocean Eddies in Two-dimensional Image Sequences Using Contours and Moments

Banesh, Divya; Schoonover, Joseph; Ahrens, James; Hamann, Bernd

Extracting, Visualizing and Tracking Mesoscale Ocean Eddies in Two-dimensional Image Sequences Using Contours and Moments Inproceedings

In: 2017, (Workshop on Visualisation in Environmental Sciences (EnvirVis), LA-UR-17-21623).

Abstract | Links | BibTeX | Tags: contours, moments, visualization

Intuitive Colormaps for Environmental Visualization

Samsel, Francesca; Turton, Terece; Wolfram, Phillip; Bujack, Roxana

Intuitive Colormaps for Environmental Visualization Inproceedings

In: Rink, Karsten; Middel, Ariane; Zeckzer, Dirk; Bujack, Roxana (Ed.): Workshop on Visualisation in Environmental Sciences (EnvirVis), The Eurographics Association, 2017, ISBN: 978-3-03868-040-6, (LA-UR-17-22224).

Abstract | Links | BibTeX | Tags: colormaps, environmental sciences

In Situ and Post Processing Workflows for Asteroid Ablation Studies

Patchett, John; Nouanesengsy, Boonthanome; Gisler, Galen; Ahrens, James; Hagen, Hans

In Situ and Post Processing Workflows for Asteroid Ablation Studies Inproceedings

In: Kozlikova, Barbora; Schreck, Tobias; Wischgoll, Thomas (Ed.): EuroVis 2017 - Short Papers, The Eurographics Association, 2017, ISBN: 978-3-03868-043-7, (LA-UR-17-22699).

Abstract | Links | BibTeX | Tags: asteroid, in situ

Extreme Event Analysis in Next Generation Simulation Architectures

Hamilton, Stephen; Burns, Randal; Meneveau, Charles; Johnson, Perry; Lindstrom, Peter; Patchett, John; Szalay, Alexander S.

Extreme Event Analysis in Next Generation Simulation Architectures Inproceedings

In: Kunkel, Julian M.; Yokota, Rio; Balaji, Pavan; Keyes, David (Ed.): High Performance Computing: 32nd International Conference, ISC High Performance 2017, Frankfurt, Germany, June 18--22, 2017, Proceedings, pp. 277–293, Springer, Cham Springer International Publishing}, 2017, ISBN: 978-3-319-58667-0.

Abstract | Links | BibTeX | Tags: in situ, visualization

Video Compression for Ocean Simulation Image Databases

Berres, Anne; Turton, Terece; Rogers, David; Ahrens, James; Petersen, Mark

Video Compression for Ocean Simulation Image Databases Inproceedings

In: Rink, Karsten; Middel, Ariane; Zeckzer, Dirk; Bujack, Roxana (Ed.): Workshop on Visualization in Environmental Sciences (EnvirVis), The Eurographics Association, 2017, ISBN: 978-3-03868-040-6, (LA-UR-17-21590).

Abstract | Links | BibTeX | Tags: compression, visualization

Evaluating the Perceptual Uniformity of Color Sequences for Feature Discrimination

Ware, Colin; Turton, Terece; Samsel, Francesca; Bujack, Roxana; Rogers, David

Evaluating the Perceptual Uniformity of Color Sequences for Feature Discrimination Inproceedings

In: Lawonn, Kai; Smit, Noeska; Cunningham, Douglas (Ed.): EuroVis Workshop on Reproducibility, Verification, and Validation in Visualization (EuroRV3), The Eurographics Association, 2017, ISBN: 978-3-03868-041-3, (LA-UR-17-24206).

Abstract | Links | BibTeX | Tags: colormaps, visualization

A Crowdsourced Approach to Colormap Assessment

Turton, Terece; Ware, Colin; Samsel, Francesca; Rogers, David

A Crowdsourced Approach to Colormap Assessment Inproceedings

In: Lawonn, Kai; Smit, Noeska; Cunningham, Douglas (Ed.): EuroVis Workshop on Reproducibility, Verification, and Validation in Visualization (EuroRV3), The Eurographics Association, 2017, ISBN: 978-3-03868-041-3.

Abstract | Links | BibTeX | Tags: Colormapping, user interfaces

ETK: An Evaluation Toolkit for Visualization User Studies

Turton, Terece; Berres, Anne; Rogers, David; Ahrens, James

ETK: An Evaluation Toolkit for Visualization User Studies Inproceedings

In: Kozlikova, Barbora; Schreck, Tobias; Wischgoll, Thomas (Ed.): EuroVis 2017 – Short Papers, The Eurographics Association, 2017, ISBN: 978-3-03868-043-7.

Abstract | Links | BibTeX | Tags: User Evaluation

Flexible Moment Invariant Bases for 2D Scalar and Vector Fields

Bujack, Roxana; Flusser, Jan

Flexible Moment Invariant Bases for 2D Scalar and Vector Fields Inproceedings

In: Proceedings of International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG), 2017, (LA-UR-17-20144).

Abstract | Links | BibTeX | Tags: moment invariants, pattern detection, vector fields

The Good, the Bad, and the Ugly: A Theoretical Framework for the Assessment of Continuous Colormaps

Bujack, Roxana; Turton, Terece; Samsel, Francesca; Ware, Colin; Rogers, David; Ahrens, James

The Good, the Bad, and the Ugly: A Theoretical Framework for the Assessment of Continuous Colormaps Inproceedings

In: IEEE Visualization, 2017.

Abstract | Links | BibTeX | Tags: color theory, colormaps, linearity

Video Compression for Ocean Simulation Image Databases

Berres, Anne; Turton, Terece; Petersen, Mark; Rogers, David; Ahrens, James

Video Compression for Ocean Simulation Image Databases Inproceedings

In: Rink, Karsten; Middel, Ariane; Zeckzer, Dirk; Bujack, Roxana (Ed.): Workshop on Visualisation in Environmental Sciences (EnvirVis), The Eurographics Association, 2017, ISBN: 978-3-03868-040-6.

Abstract | Links | BibTeX | Tags:

Recognition of Patterns in Vector Fields by Gaussian-Hermite Invariants

Yang, Bo; Kostkova, Jitka; Flusser, Jan; Suk, Tomas; Bujack, Roxana

Recognition of Patterns in Vector Fields by Gaussian-Hermite Invariants Conference

poster at 2017 IEEE International Conference on Image Processing, ICIP, Beijing, China, 2017.

Links | BibTeX | Tags:

Moment Invariants for Multi-Dimensional Data

Bujack, Roxana; Hagen, Hans

Moment Invariants for Multi-Dimensional Data Inproceedings

In: Ozerslan, Evren; Schultz, Thomas; Hotz, Ingrid (Ed.): Modelling, Analysis, and Visualization of Anisotropy, Springer Basel AG, 2017, ISSN: 978-3-319-61358-1.

Links | BibTeX | Tags:

Flexible Moment Invariant Bases for 2D Scalar and Vector Fields

Bujack, Roxana; Flusser, Jan

Flexible Moment Invariant Bases for 2D Scalar and Vector Fields Inproceedings

In: Proceedings of International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision (WSCG), pp. 11–20, 2017.

Links | BibTeX | Tags:

Interpreting Galilean Invariant Vector Field Analysis via Extended Robustness: Extended Abstract

Wang, Bei; Bujack, Roxana; Paul, Harsh; Hagen, Hans

Interpreting Galilean Invariant Vector Field Analysis via Extended Robustness: Extended Abstract Inproceedings

In: Topology-Based Methods in Visualization (TopoInVis 2017) Tokyo, Japan, 2017.

Links | BibTeX | Tags:

2016

Towards a Scalable, Platform Independent, User-Friendly Analysis Framework for Scientific and Information Oriented Applications

Ahrens, James Paul

Towards a Scalable, Platform Independent, User-Friendly Analysis Framework for Scientific and Information Oriented Applications Presentation

01.11.2016, (Chesapeake Large-Scale Analytics Conference - CLSAC 2016, LA-UR-16-28491).

Abstract | Links | BibTeX | Tags: large-scale data, ParaView, VTK

Parallel Peak Pruning for Scalable SMP Contour Tree Computation

Carr, Hamish; Weber, Gunther H.; Sewell, Christopher; Ahrens, James

Parallel Peak Pruning for Scalable SMP Contour Tree Computation Inproceedings

In: 2016 IEEE 6th Symposium on Large Data Analysis and Visualization (LDAV) , IEEE 2016, (LA-UR-16-24454).

Abstract | Links | BibTeX | Tags: contour tree

2016 CSSE L3 Milestone: Deliver In Situ to XTD End Users

Patchett, John; Nouanesengsy, Boonthanome; Fasel, Patricia; Ahrens, James

2016 CSSE L3 Milestone: Deliver In Situ to XTD End Users Technical Report

2016, (LA-UR-16-26987).

Abstract | Links | BibTeX | Tags: in-situ, visualization

VTK-m: Accelerating the Visualization Toolkit for Massively Threaded Architectures

Moreland, Kenneth; Sewell, Christopher; Usher, William; Lo, Li-ta; Meredith, Jeremy; Pugmire, David; Kress, James; Schroots, Hendrik; Ma, Kwan-Liu; Childs, Hank; Larsen, Matthew; Chen, Chun-Ming; Maynard, Robert; Geveci, Berk

VTK-m: Accelerating the Visualization Toolkit for Massively Threaded Architectures Inproceedings

In: pp. 48-58, IEEE Computer Graphics and Applications, 2016, ISSN: 0272-1716, (LA-UR-15-27306).

Abstract | Links | BibTeX | Tags: visualization, VTK-m

Remote Visual Analysis on Large Turbulence Databases at Multiple Scales

Pulido, Jesus; Livescu, Daniel; Burns, Randal; Canada, Curt; Ahrens, James; Hamann, Bernd

Remote Visual Analysis on Large Turbulence Databases at Multiple Scales Presentation

Salishan Conference on High Speed Computing ; 2016-04-25 - 2016-04-29 ; Gleneden Beach, Oregon, United States, 21.04.2016, (LA-UR-16-22778).

Abstract | Links | BibTeX | Tags: large databases, visual analysis

Optimizing for Visual Cognition in High Performance Scientific Computing

Ware, Colin; Rogers, David; Petersen, Mark; Ahrens, James; Aygar, Erol

Optimizing for Visual Cognition in High Performance Scientific Computing Journal Article

In: Electronic Imaging, vol. 2016, no. 16, pp. 1–9, 2016, ISSN: 2470-1173.

Abstract | Links | BibTeX | Tags: cognitive efficiency, visualization

Interactive Colormapping: Enabling Multiple Data Ranges, Detailed Views of Ocean Salinity

Samsel, Francesca; Klassen, Sebastian; Petersen, Mark; Turton, Terece; Abram, Greg; Rogers, David; Ahrens, James

Interactive Colormapping: Enabling Multiple Data Ranges, Detailed Views of Ocean Salinity Inproceedings

In: Proceedings of the 34rd Annual ACM Conference Extended Abstracts on Human Factors in Computing Systems, ACM, San Jose, California, 2016, (LA-UR-15-20105).

Abstract | Links | BibTeX | Tags: climate science, color perception, color theory, colormaps, high-resolution datasets, scientific visualization

Visualization and Analysis of Threats from Asteroid Ocean Impacts

Patchett, John; Samsel, Francesca; Tsai, Karen; Gisler, Galen; Rogers, David; Abram, Greg; Turton, Terece

Visualization and Analysis of Threats from Asteroid Ocean Impacts Inproceedings

In: 2016, (Winner, Best Scientific Visualization & Data Analytics Showcase; LA-UR-16-26258).

Abstract | Links | BibTeX | Tags: asteroid, visualization and data analysis

Animated Versus Static Views of Steady Flow Patterns

Ware, Colin; Bolan, Daniel; Miller, Ricky; Rogers, David; Ahrens, James

Animated Versus Static Views of Steady Flow Patterns Inproceedings

In: Proceedings of the ACM Symposium on Applied Perception, pp. 77–84, ACM, Anaheim, California, 2016, ISBN: 978-1-4503-4383-1.

Abstract | Links | BibTeX | Tags: animated flow, flow visualization, vector field visualization

Cinema image-based in situ analysis and visualization of MPAS-ocean simulations

O'Leary, Patrick; Ahrens, James; Jourdain, Sebastien; Wittenburg, Scott; Rogers, David H; Petersen, Mark

Cinema image-based in situ analysis and visualization of MPAS-ocean simulations Journal Article

In: PARALLEL COMPUTING, vol. 55, no. SI, pp. 43-48, 2016, ISSN: 0167-8191.

Abstract | Links | BibTeX | Tags: in situ, oceanography simulation and modeling

Error Estimates for Lagrangian Flow Field Representations

Hummel, Mathias; Bujack, Roxana; Joy, Kenneth; Garth, Christoph

Error Estimates for Lagrangian Flow Field Representations Inproceedings

In: Bertini, Enrico; Elmqvist, Niklas; Wischgoll, Thomas (Ed.): EuroVis 2016 - Short Papers, pp. 7–11, The Eurographics Association, 2016, ISSN: 978-3-03868-014-7.

Links | BibTeX | Tags:

Analysis of Error in Interpolation-Based Pathline Tracing

Chandler, Jennifer; Bujack, Roxana; Joy, Kenneth

Analysis of Error in Interpolation-Based Pathline Tracing Inproceedings

In: Bertini, Enrico; Elmqvist, Niklas; Wischgoll, Thomas (Ed.): EuroVis 2016 - Short Papers, pp. 1–5, The Eurographics Association, 2016, ISSN: 978-3-03868-014-7.

Links | BibTeX | Tags:

Topology-Inspired Galilean Invariant Vector Field Analysis

Bujack, Roxana; Hlawitschka, Mario; Joy, Kenneth

Topology-Inspired Galilean Invariant Vector Field Analysis Inproceedings

In: Proceedings of the IEEE Pacific Visualization Symposium, PacificVis 2016 in Taipei, Taiwan, pp. 72–79, 2016.

Links | BibTeX | Tags:

Survey and analysis of multiresolution methods for turbulence data

Pulido, Jesus; Livescu, Daniel; Woodring, Jonathan; Ahrens, James; Hamann, Bernd

Survey and analysis of multiresolution methods for turbulence data Journal Article

In: Computers & Fluids, vol. 125, pp. 39 - 58, 2016, ISSN: 0045-7930, (LA-UR-15-20966).

Links | BibTeX | Tags: B-spline wavelet, Curvelet, Surfacelet, turbulence, Wavelet

2015

Understanding via Color

Samsel, Francesca

Understanding via Color Presentation

27.10.2015, (IEEE Vis 2015 Color Mapping Panel).

Abstract | Links | BibTeX | Tags: colormaps

In-Situ Visualization Experiments with ParaView Cinema in RAGE

Kares, Robert J.

In-Situ Visualization Experiments with ParaView Cinema in RAGE Technical Report

2015, (LA-UR-15-28026).

Abstract | Links | BibTeX | Tags: catalyst, cinema, ParaView

Performance, Power and Energy of In-situ and Post-processing Visualization: A Case Study in Climate Simulation

Adhinarayanan, Vignesh

Performance, Power and Energy of In-situ and Post-processing Visualization: A Case Study in Climate Simulation Presentation

05.10.2015, (LA-UR-15-27749).

Abstract | Links | BibTeX | Tags: energy, in-situ, performance, post-processing, power

Generating Cinema Databases for In Situ Visualization of Ocean Modeling Simulations

Eatmon, Arnold

Generating Cinema Databases for In Situ Visualization of Ocean Modeling Simulations Presentation

05.10.2015, (LA-UR-15-27748).

Abstract | Links | BibTeX | Tags: cinema, oceanography simulation and modeling

Summer of Storyboards

Shaikh, Uzma

Summer of Storyboards Presentation

05.10.2015, (LA-UR-15-27737).

Abstract | Links | BibTeX | Tags: cinema, storyboards

Coyote Universe Emulator for Web

Bryan, Christopher

Coyote Universe Emulator for Web Presentation

05.10.2015, (LA-UR-15-27732).

Abstract | Links | BibTeX | Tags: matter power spectrum, prediction

Summer 2015 LANL Exit Talk

Usher, William

Summer 2015 LANL Exit Talk Presentation

05.10.2015, (LA-UR-15-27730).

Abstract | Links | BibTeX | Tags: OpenMP, VTK-m

Survey and Analysis of Multiresolution Methods for Turbulence Data

Pulido, Jesus

Survey and Analysis of Multiresolution Methods for Turbulence Data Presentation

05.10.2015, (LA-UR-15-27727).

Abstract | Links | BibTeX | Tags: Multi-resolution, turbulence

Enabling Remote Visualization and Scale Analysis of Large Turbulence Databases

Pulido, Jesus

Enabling Remote Visualization and Scale Analysis of Large Turbulence Databases Presentation

05.10.2015, (LA-UR-15-27727).

Abstract | Links | BibTeX | Tags: remote visualization, turbulence

Summer 2015 Final Presentation

Dutta, Soumya

Summer 2015 Final Presentation Presentation

05.10.2015, (LA-UR-15-27726).

Abstract | Links | BibTeX | Tags: algorithm comparison framework, in situ, OpenMC

Image Clustering of Scientific Databases

Barnes, David C.

Image Clustering of Scientific Databases Presentation

05.10.2015, (LA-UR-15-27725).

Abstract | Links | BibTeX | Tags: cinema, clustering

Portable Data Parallel Visualization Algorithms with VTK-m

Lu, Kewei

Portable Data Parallel Visualization Algorithms with VTK-m Presentation

05.10.2015, (LA-UR-15-27724).

Abstract | Links | BibTeX | Tags: data parallel, VTK-m

Summer of 2015: An Exit Talk

Biswas, Ayan

Summer of 2015: An Exit Talk Presentation

05.10.2015, (LA-UR-15-27738).

Abstract | Links | BibTeX | Tags: MPAS-Ocean, streamlines

Supercharging the Scientific Process Via Data Science at Scale

Ahrens, James

Supercharging the Scientific Process Via Data Science at Scale Presentation

30.06.2015, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: data science at scale, scientific method

Supercharging the Scientific Process Via Data Science at Scale

Ahrens, James

Supercharging the Scientific Process Via Data Science at Scale Presentation

30.06.2015, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: data science at scale, scientific method

Exploring Cinema with the Cinema Virtual Machine

Rogers, David; Ahrens, James; Patchett, John; DeMarle, David

Exploring Cinema with the Cinema Virtual Machine Inproceedings

In: 2015, (Documentation/instructions. LA-UR-15-21934).

Abstract | Links | BibTeX | Tags: cinema, in-situ data analysis

On the Greenness of In-Situ and Post-Processing Visualization Pipelines

Adhinarayanan, Vignesh; Feng, Wu-chun; Woodring, Jonathan; Rogers, David; Ahrens, James

On the Greenness of In-Situ and Post-Processing Visualization Pipelines Inproceedings

In: 11th workshop on High-Performance, Power-Aware Computing (HPPAC), Hyderabad, India, 2015, (LA-UR-15-21414).

Abstract | Links | BibTeX | Tags: greenness, in-situ, pipelines, post-processing, visualization

Visualization of Large-Scale Atomistic Simulations of Plasma-Surface Interactions

Widanagamaachchi, Wathsala; Hammond, Karl D.; Lo, Li-Ta; Wirth, Brian D.; Samsel, Francesca; Sewell, Christopher; Ahrens, James; Pascucci, Valerio

Visualization of Large-Scale Atomistic Simulations of Plasma-Surface Interactions Inproceedings

In: Proceedings of EuroVis (short paper), Cagliari, Italy, 2015, (LA-UR-15-21194).

Abstract | Links | BibTeX | Tags: atomistic simulation, large-scale, Model Validation and Analysis, Physical Sciences and Engineering, plasma-surface interactions, visualization

Shared Analysis for Resilience, Debugging, Verification, Validation and Discovery

Ahrens, James

Shared Analysis for Resilience, Debugging, Verification, Validation and Discovery Presentation

30.04.2015, (LA-UR-15-23284).

Abstract | Links | BibTeX | Tags: shared analysis

Implications of Numerical and Data Intensive Technology Trends on Scientific Visualization and Analysis

Ahrens, James

Implications of Numerical and Data Intensive Technology Trends on Scientific Visualization and Analysis Presentation

18.03.2015, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: scientific visualization

Accelerating Time to Insight in the Exascale Ecosystem Through the Optimization of Scientific Workflows

Ahrens, James

Accelerating Time to Insight in the Exascale Ecosystem Through the Optimization of Scientific Workflows Presentation

30.01.2015, (LA-UR-15-20354).

Abstract | Links | BibTeX | Tags: scientific workflows

Colormaps That Improve Perception of High-Resolution Ocean Data

Samsel, Francesca; Petersen, Mark; Geld, Terece; Abram, Greg; Wendelberger, Joanne; Ahrens, James

Colormaps That Improve Perception of High-Resolution Ocean Data Inproceedings

In: Proceedings of the 33rd Annual ACM Conference Extended Abstracts on Human Factors in Computing Systems, pp. 703–710, ACM, Seoul, Republic of Korea, 2015, ISBN: 978-1-4503-3146-3, (LA-UR-15-20105).

Abstract | Links | BibTeX | Tags: climate science, color perception, color theory, colormaps, high-resolution datasets, scientific visualization

Hybrid Data-Parallel Contour Tree Computation

Carr, Hamish; Sewell, Christopher; Lo, Li-Ta; james Ahrens,

Hybrid Data-Parallel Contour Tree Computation Inproceedings

In: 2015, (LA-UR-15-24759).

Abstract | Links | BibTeX | Tags: and object reppresentations, computational geometry and object modeling, contour tree, data-parallel, gpu, multi-core, nvidia thrust, simulation output analysis, solid, surface, topological analysis

In Situ Eddy Analysis in a High-Resolution Ocean Climate Model

Woodring, Jonathan; Petersen, Mark; Schmeiber, Andre; Patchett, John; Ahrens, James; Hagen, Hans

In Situ Eddy Analysis in a High-Resolution Ocean Climate Model Inproceedings

In: IEEE, 2015, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: climate modeling, collaborative development, feature analysis, feature extraction, high performance computing, In situ analysis, mesoscale eddies, ocean modeling, online analysis, revision control, simulation, software engineering, supercomputing

Integrating predictive analytics into a spatiotemporal epidemic simulation

Bryan, Christopher; Wu, Xue; Mniszewski, Susan; Ma, Kwan-Liu

Integrating predictive analytics into a spatiotemporal epidemic simulation Inproceedings

In: 2015 IEEE Conference on Visual Analytics Science and Technology, VAST 2015, Chicago, IL, USA, October 25-30, 2015, pp. 17–24, 2015, (LA-UR-15-24873).

Abstract | Links | BibTeX | Tags: Epidemic Visualization, Predictive Modeling, Spatial-Temporal Systems, Visual analytics

Large-Scale Compute-Intensive Analysis via a Combined In-situ and Co-scheduling Workflow Approach

Sewell, Christopher; Heitmann, Katrin; Finkel, Hal; Zagaris, George; Parete-Koon, Suzanne; Fasel, Patricia; Pope, Adrian; Frontiere, Nicholas; Lo, Li-Ta; Messer, Bronson; Habib, Salman; Ahrens, James

Large-Scale Compute-Intensive Analysis via a Combined In-situ and Co-scheduling Workflow Approach Inproceedings

In: Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, IEEE Press, Austin, Texas, 2015, (LA-UR-15-22830).

Abstract | Links | BibTeX | Tags: analysis, co-scheduling, compute-intensive, in-situ, large-scale, workflow

The Q Continuum Simulation: Harnessing the Power of GPU Accelerated Supercomputers

Heitmann, Katrin; Frontiere, Nicholas; Sewell, Christopher; Habib, Salman; Pope, Adrian; Finkel, Hal; Rizzi, Silvio; Insley, Joe; Bhattacharya, Suman

The Q Continuum Simulation: Harnessing the Power of GPU Accelerated Supercomputers Journal Article

In: 2015, (LA-UR-15-28271).

Abstract | Links | BibTeX | Tags: cosmology, gpu, n-body

Utilizing Many-Core Accelerators for Halo and Center Finding within a Cosmology Simulation

Sewell, Christopher; Lo, Li-Ta; Heitmann, Katrin; Habib, Salman; Ahrens, James

Utilizing Many-Core Accelerators for Halo and Center Finding within a Cosmology Simulation Inproceedings

In: Proceedings of the IEEE Symposium on Large Data Analysis and Visualization, IEEE Press, Chicago, Illinois, 2015, (LA-UR-15-22202).

Abstract | Links | BibTeX | Tags: cosmology, halo finding, many-core, Programming Techniques

Visualization of ocean currents and eddies in a high-resolution global ocean-climate model

Samsel, Francesca; Petersen, Mark; Abram, Greg; Turton, Terece; Rogers, David; Ahrens, James

Visualization of ocean currents and eddies in a high-resolution global ocean-climate model Inproceedings

In: Proceedings of the International Conference on High Performance Computing, Networking, Storage and Analysis 2015, 2015, (LA-UR-15-20105).

Abstract | Links | BibTeX | Tags: oceanography simulation and modeling, visualization

Performance, Power, and Energy of In-Situ and Post-Processing Visualization: A Case Study in Climate Simulation

Adhinarayanan, Vignesh; Pakin, Scott; Rogers, David; Feng, Wu-chun; Ahrens, James

Performance, Power, and Energy of In-Situ and Post-Processing Visualization: A Case Study in Climate Simulation Inproceedings

In: 2015, (Best Research Poster Finalist, LA-UR-15-26284).

Links | BibTeX | Tags: in-situ visualization

Lagrangian Representations of Flow Fields with Parameter Curves

Bujack, Roxana; Joy, Kenneth

Lagrangian Representations of Flow Fields with Parameter Curves Inproceedings

In: Large Data Analysis and Visualization (LDAV), 2015 IEEE 4th Symposium on, IEEE 2015.

Links | BibTeX | Tags:

Demystification of the geometric Fourier transforms and resulting convolution theorems

Bujack, Roxana; Scheuermann, Gerik; Hitzer, Eckhard

Demystification of the geometric Fourier transforms and resulting convolution theorems Journal Article

In: Mathematical Methods in the Applied Sciences, 2015.

Links | BibTeX | Tags:

Clustering Moment Invariants to Identify Similarity within 2D Flow Fields

Bujack, Roxana; Kasten, Jens; Natarajan, Vijay; Scheuermann, Gerik; Joy, Kenneth

Clustering Moment Invariants to Identify Similarity within 2D Flow Fields Inproceedings

In: Bertini, E.; Kennedy, J.; Puppo, E. (Ed.): Eurographics Conference on Visualization (EuroVis) - Short Papers, The Eurographics Association, 2015.

Links | BibTeX | Tags:

Moment Invariants for 3D Flow Fields Using Normalization

Bujack, Roxana; Kasten, Jens; Hotz, Ingrid; Scheuermann, Gerik; Hitzer, Eckhard

Moment Invariants for 3D Flow Fields Using Normalization Conference

IEEE Pacific Visualization Symposium, PacificVis 2015 in Hangzhou, China, 2015.

Links | BibTeX | Tags:

Moment Invariants for 2D Flow Fields via Normalization in Detail

Bujack, Roxana; Hotz, Ingrid; Scheuermann, Gerik; Hitzer, Eckhard

Moment Invariants for 2D Flow Fields via Normalization in Detail Journal Article

In: IEEE Transactions on Visualization and Computer Graphics (TVCG), vol. 21, no. 8, pp. 916–929, 2015.

Links | BibTeX | Tags:

Increasing Scientific Data Insights about Exascale Class Simulations under Power and Storage Constraints

Ahrens, James

Increasing Scientific Data Insights about Exascale Class Simulations under Power and Storage Constraints Journal Article

In: vol. 35, no. 2, pp. 8–11, 2015, ISSN: 0272-1716 (print), 1558-1756 (electronic), (LA-UR-pending).

Abstract | Links | BibTeX | Tags: exascale, increasing scientific data insights

2014

Streaming Data-Parallel Algorithms Enable Cosmology Data Analysis for Large Halos

Sewell, Christopher

Streaming Data-Parallel Algorithms Enable Cosmology Data Analysis for Large Halos Presentation

31.12.2014, (LA-UR-14-29638).

Abstract | Links | BibTeX | Tags: cosmology, data parallel

An Image-based Approach to Extreme Scale In Situ Visualization and Analysis

Ahrens, James; Jourdain, Sebastien; O'Leary, Patrick; Patchett, John; Rogers, David; Petersen, Mark

An Image-based Approach to Extreme Scale In Situ Visualization and Analysis Presentation

22.11.2014, (LA-UR-14-26864).

Abstract | Links | BibTeX | Tags: cinema, in situ

Data-Parallel Halo Finding with Variable Linking Lengths

Widanagamaachchi, Wathsala; Bremer, Peer-Timo; Sewell, Christopher; Lo, Li-ta; Ahrens, James; Pascucci, Valerio

Data-Parallel Halo Finding with Variable Linking Lengths Inproceedings

In: 2014, (LA-UR-14-23700).

Abstract | Links | BibTeX | Tags: clustering, cosomology, halo

Experiments at Scale with In-Situ Visualization Using ParaView/Catalyst in RAGE

Kares, Robert J.

Experiments at Scale with In-Situ Visualization Using ParaView/Catalyst in RAGE Technical Report

2014, (LA-UR-14-28528).

Abstract | Links | BibTeX | Tags: catalyst, ParaView

Curvature-Based Crease Surfaces for Wave Visualization

Aldrich, Garrett; Gimenez, Alfredo; Oskin, Michael; Strelitz, Richard; Woodring, Jonathan; Kellogg, Louise H; Hamann, Bernd

Curvature-Based Crease Surfaces for Wave Visualization Inproceedings

In: Citeseer, 2014, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: Visible line/surface algorithms

Material Science - Crystal Grain Visualization

Zeyen, Max

Material Science - Crystal Grain Visualization Presentation

01.10.2014, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: material science, visualization

In-situ Visualization and Analysis of Plasma Surface Interaction Simulations

Widanagamaachchi, Wathsala

In-situ Visualization and Analysis of Plasma Surface Interaction Simulations Presentation

01.10.2014, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: in situ, plasma-surface interactions, visualization

Data-Parallel Programming with PISTON and PINION

Sewell, Christopher; Lo, Li-ta; Francois, Marianne; Ahrens, James

Data-Parallel Programming with PISTON and PINION Presentation

30.08.2014, (LA-UR-14-26186).

Abstract | Links | BibTeX | Tags: data parallel, PINION, PISTON

Portable Parallel Halo and Center Finders for HACC

Sewell, Christopher; Heitmann, Katrin; Lo, Li-Ta; Habib, Salman; Ahrens, James

Portable Parallel Halo and Center Finders for HACC Presentation

31.07.2014, (LA-UR-14-25437).

Abstract | Links | BibTeX | Tags: halo finding, PISTON, VTK-m

New Data-parallel Algorithms Accelerate Cosmology Data Analysis on GPUs

Sewell, Christopher; Ahrens, James; Patchett, John

New Data-parallel Algorithms Accelerate Cosmology Data Analysis on GPUs Presentation

30.06.2014, (LA-UR-14-22054).

Abstract | Links | BibTeX | Tags: cosmo, cosmology, data parallel, gpu

In Situ

Patchett, John

In Situ Presentation

17.06.2014, (LA-UR-14-24409).

Abstract | Links | BibTeX | Tags: in situ

Increasing Scientific Data Insights About Exascale Class Simulations Under Power and Storage Constraints

Ahrens, James

Increasing Scientific Data Insights About Exascale Class Simulations Under Power and Storage Constraints Presentation

28.02.2014, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: exascale

PISTON

Sewell, Christopher; Lo, Li-ta; Ahrens, James

PISTON Presentation

31.01.2014, (LA-UR-14-20028).

Abstract | Links | BibTeX | Tags: data parallel, PINION, PISTON

ADR visualization: A generalized framework for ranking large-scale scientific data using Analysis-Driven Refinement

Nouanesengsy, Boonthanome; Woodring, Jonathan; Patchett, John; Myers, Kary; Ahrens, James

ADR visualization: A generalized framework for ranking large-scale scientific data using Analysis-Driven Refinement Inproceedings

In: Large Data Analysis and Visualization (LDAV), 2014 IEEE 4th Symposium on, pp. 43–50, IEEE 2014, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: adaptive mesh refinement, ADR, Analysis-Driven Refinement, big data, data triage, focus+context, hardware architecture, large-scale data, parallel processing, picture/image generation, prioritization, scientific data, viewing algorithms

An Image-based Approach to Extreme Scale in Situ Visualization and Analysis

Ahrens, James; Jourdain, Sebastien; O'Leary, Patrick; Patchett, John; Rogers, David; Petersen, Mark

An Image-based Approach to Extreme Scale in Situ Visualization and Analysis Inproceedings

In: Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis, pp. 424–434, IEEE Press, New Orleans, Louisana, 2014, ISBN: 978-1-4799-5500-8, (LA-UR-14-26864).

Abstract | Links | BibTeX | Tags: analysis, cinema, cinemascience, image-based, in-situ, visualization

Effective and efficient data sampling using bitmap indices

Su, Yu; Agrawal, Gagan; Woodring, Jonathan; Myers, Kary; Wendelberger, Joanne; Ahrens, James

Effective and efficient data sampling using bitmap indices Journal Article

In: Cluster Computing, pp. 1-20, 2014, ISSN: 1386-7857, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: big data, Bitmap indexing, data sampling, Multi-resolution, parallel processing

Research challenges for visualization software

Childs, Hank

Research challenges for visualization software Technical Report

2014.

Abstract | Links | BibTeX | Tags: visualization

VOLUME-OF-FLUID INTERFACE RECONSTRUCTION ALGORITHMS ON NEXT-GENERATION COMPUTER ARCHITECTURES

Francois, Marianne; Lo, Li-Ta; Sewell, Christopher

VOLUME-OF-FLUID INTERFACE RECONSTRUCTION ALGORITHMS ON NEXT-GENERATION COMPUTER ARCHITECTURES Inproceedings

In: Proceedings of the ASME, 2014, (LA-UR-14-20777).

Abstract | Links | BibTeX | Tags: COMPUTER ARCHITECTURES, INTERFACE RECONSTRUCTION, PISTON

SDAV Visualization Area: Highlights at Los Alamos with HACC

Sewell, Christopher; Ahrens, James; Patchett, John

SDAV Visualization Area: Highlights at Los Alamos with HACC Technical Report

Los Alamos National Laboratory (LANL) 2014, (LA-UR-14-22054).

Links | BibTeX | Tags: visualization

Orientation Invariant Pattern Detection in Vector Fields with Clifford Algebra and Moment Invariants

Bujack, Roxana

Orientation Invariant Pattern Detection in Vector Fields with Clifford Algebra and Moment Invariants PhD Thesis

Department of Computer Science, Leipzig University, Germany, 2014.

Links | BibTeX | Tags:

Moment Invariants for 3D Flow Fields

Bujack, Roxana; Kasten, Jens; Hotz, Ingrid; Scheuermann, Gerik; Hitzer, Eckhard

Moment Invariants for 3D Flow Fields Miscellaneous

2014.

Links | BibTeX | Tags:

Moment Invariants for 2D Flow Fields via Normalization

Bujack, Roxana; Hotz, Ingrid; Scheuermann, Gerik; Hitzer, Eckhard

Moment Invariants for 2D Flow Fields via Normalization Conference

IEEE Pacific Visualization Symposium, PacificVis 2014 in Yokohama, Japan, 2014.

Links | BibTeX | Tags:

Customized TRS Invariants for 2D Vector Fields via Moment Normalization

Bujack, Roxana; Hlawitschka, Mario; Scheuermann, Gerik; Hitzer, Eckhard

Customized TRS Invariants for 2D Vector Fields via Moment Normalization Journal Article

In: Pattern Recognition Letters, vol. 46, pp. 59, 2014.

Links | BibTeX | Tags:

2013

Optimizing File Access Patterns through the Spatio-Temporal Pipeline for Parallel Visualization and Analysis

Nouanesengsy, Boonthanome; Patchett, John; Ahrens, James; Bauer, Andrew; Chaudhary, Aashish; Geveci, Berk; Miller, Ross; Shipman, Galen; Williams, Dean N

Optimizing File Access Patterns through the Spatio-Temporal Pipeline for Parallel Visualization and Analysis Technical Report

2013, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: Data Analysis, I/O, Modeling, Parallel Analysis, Parallel Techniques, Parallel Visualization, Spatio-Temporal Pipeline, visualization

Visualizing PSI Simulation with ParaView

Lo, Li-Ta

Visualizing PSI Simulation with ParaView Presentation

04.10.2013, (LA-UR-13-27631).

Abstract | Links | BibTeX | Tags: ParaView, Plasma Surface Interaction

Case Study of In Situ Data Analysis in ASC Integrated Codes

Patchett, John; Ahrens, James; Nouanesengsy, Boonthanome; Fasel, Patricia; O'leary, Patrick; Sewell, Christopher; Woodring, Jonathan; Mitchell, Christopher; Lo, Li-Ta; Myers, Kary; Wendelberger, Joanne; Canada, Curt; Daniels, Marcus; Abhold, Hilary; Rockefeller, Gabe

Case Study of In Situ Data Analysis in ASC Integrated Codes Presentation

04.09.2013, (LA-UR-13-26599).

Abstract | Links | BibTeX | Tags: in situ

Group-theoretic structure of linear phase multirate filter banks

Brislawn, Christopher M.

Group-theoretic structure of linear phase multirate filter banks Journal Article

In: IEEE Transactions on Information Theory, vol. 59, no. 9, 2013, (LA-UR-12-20858).

Abstract | Links | BibTeX | Tags: Filter bank, free product, group, group lifting structure, JPEG 2000., Lifting, Linear phase filter, Polyphase matrix, semidirect product, Unique factorization, Wavelet

Numerically Intensive and Data Intensive Computing: Issues, Approaches and Leveraging

Ahrens, James; Sewell, Christopher

Numerically Intensive and Data Intensive Computing: Issues, Approaches and Leveraging Presentation

05.08.2013, (LA-UR-13-26190).

Abstract | Links | BibTeX | Tags: Data Intensive Computing, Numerically Intensive Computing

Portable Data-Parallel Visualization and Analysis Operators

Sewell, Christopher

Portable Data-Parallel Visualization and Analysis Operators Presentation

20.03.2013, (LA-UR-13-21884).

Abstract | Links | BibTeX | Tags: data parallel, gpu, PINION, PISTON

PISTON: An SDAV Framework for Portable High-Performance Data-Parallel Visualization and Analysis Operators

Sewell, Christopher; Lo, Li-ta; Ahrens, James

PISTON: An SDAV Framework for Portable High-Performance Data-Parallel Visualization and Analysis Operators Presentation

22.02.2013, (LA-UR-13-21083).

Abstract | Links | BibTeX | Tags: PISTON, VTK-m

Applications of In Situ Visualization for Ocean, Cosmology, and Plasma

Patchett, John

Applications of In Situ Visualization for Ocean, Cosmology, and Plasma Presentation

20.02.2013, (LA-UR-13-21112).

Abstract | Links | BibTeX | Tags: cosmology, in situ, oceanography simulation and modeling, plasma

A model for optimizing file access patterns using spatio-temporal parallelism

Nouanesengsy, Boonthanome; Patchett, John; Ahrens, James; Bauer, Andrew; Chaudhary, Aashish; Miller, Ross; Geveci, Berk; Shipman, Galen; Williams, Dean N

A model for optimizing file access patterns using spatio-temporal parallelism Inproceedings

In: Proceedings of the 8th International Workshop on Ultrascale Visualization, pp. 4, ACM 2013, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: Data Analysis, file access, I/O, Modeling, Modeling techniques, optimizing, parallel programming, Parallel Techniques, patio-temporal parallelism, visualization

On-demand unstructured mesh translation for reducing memory pressure during in situ analysis

Woodring, Jonathan; Ahrens, James; Tautges, Timothy J; Peterka, Tom; Vishwanath, Venkatram; Geveci, Berk

On-demand unstructured mesh translation for reducing memory pressure during in situ analysis Inproceedings

In: Proceedings of the 8th International Workshop on Ultrascale Visualization, pp. 3, ACM 2013, (LA-UR-13-27909).

Abstract | Links | BibTeX | Tags: in-situ, memory pressure, mesh translation, on-demand, unstructured mesh

On the group-theoretic structure of lifted filter banks

Brislawn, Christopher M.

On the group-theoretic structure of lifted filter banks Book Chapter

In: Andrews, Travis; Balan, Radu; Benedetto, John; Czaja, Wojciech; Okoudjou, Kasso (Ed.): Excursions in Harmonic Analysis, vol.~2, pp. 113-135, Birkh, Basel, 2013, (LA-UR-12-21217).

Abstract | Links | BibTeX | Tags: Filter bank, Group lift- ing structure, Group theory, group-theoretic structure, JPEG 2000, lifted filter banks, Lifting, Linear phase filter, Matrix polynomial, Polyphase matrix, Unique factorization, Wavelet

Portable data-parallel visualization and analysis in distributed memory environments

Sewell, Christopher; Lo, Li-ta; Ahrens, James

Portable data-parallel visualization and analysis in distributed memory environments Inproceedings

In: Large-Scale Data Analysis and Visualization (LDAV), 2013 IEEE Symposium on, pp. 25–33, IEEE 2013, (LA-UR-13-23809).

Abstract | Links | BibTeX | Tags: analysis, Concurrent Programming, data-parallel, distributed memory, parallel programming, PISTON, visualization

Taming massive distributed datasets: data sampling using bitmap indices

Su, Yu; Agrawal, Gagan; Woodring, Jonathan; Myers, Kary; Wendelberger, Joanne; Ahrens, James

Taming massive distributed datasets: data sampling using bitmap indices Inproceedings

In: Proceedings of the 22nd international symposium on High-performance parallel and distributed computing, pp. 13–24, ACM 2013, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: bitmap indices, database applications, database management, performance

SDAV Visualization Area: VTK-m and In-Situ Highlights at Los Alamos

Ahrens, James; Sewell, Chris; Patchett, John

SDAV Visualization Area: VTK-m and In-Situ Highlights at Los Alamos Technical Report

2013, (LA-UR-13-27063).

Links | BibTeX | Tags: in situ, VTK-m

Convolution Products for Hypercomplex Fourier Transforms

Bujack, Roxana; De, Hendrik; De, Nele; Scheuermann, Gerik

Convolution Products for Hypercomplex Fourier Transforms Journal Article

In: Journal of Mathematical Imaging and Vision, pp. 1-19, 2013.

Links | BibTeX | Tags:

Demystification of the Geometric Fourier Transforms

Bujack, Roxana; Scheuermann, Gerik; Hitzer, Eckhard

Demystification of the Geometric Fourier Transforms Journal Article

In: AIP Conference Proceedings, vol. 1558, 2013.

Links | BibTeX | Tags:

Detection of Outer Rotations on 3D-Vector Fields with Iterative Geometric Correlation and its Efficiency

Bujack, Roxana; Scheuermann, Gerik; Hitzer, Eckhard

Detection of Outer Rotations on 3D-Vector Fields with Iterative Geometric Correlation and its Efficiency Journal Article

In: Advances in Applied Clifford Algebras, pp. 1-19, 2013.

Links | BibTeX | Tags:

Vector field computations in Clifford's geometric algebra

Hitzer, Eckhard; Bujack, Roxana; Scheuermann, Gerik

Vector field computations in Clifford's geometric algebra Journal Article

In: Third SICE Symposium on Computational Intelligence, 2013, Osaka University, 2013.

Links | BibTeX | Tags:

2012

Jitter-free co-processing on a prototype exascale storage stack

Bent, John; Faibish, Sorin; Ahrens, James; Grider, Gary; Patchett, John; Tzelnic, Percy; Woodring, Jonathan

Jitter-free co-processing on a prototype exascale storage stack Inproceedings

In: 012 IEEE 28th Symposium on Mass Storage Systems and Technologies (MSST), pp. 1–5, IEEE 2012, ISSN: 2160-195X, (LA-UR-pending).

Links | BibTeX | Tags: co-processing, excascale, jitter-free

Interface Exchange as an Indicator for Eddy Heat Transport

Williams, Sean; Petersen, Mark; Hecht, Matthew; Maltrud, Mathew; Hamann, Bernd; Patchett, John; Ahrens, James; Hamann, Bernd

Interface Exchange as an Indicator for Eddy Heat Transport Inproceedings

In: Computer Graphics Forum, pp. 1125-1134, Wiley Online Library 2012, (LA-UR-12-21038).

Abstract | Links | BibTeX | Tags: applications, eddies, interface exchange, Ocean General Circulation Models, oceanography simulation and modeling, simulation output analysis

PISTON: A Portable Cross-Platform Framework for Data-Parallel Visualization Operators.

Lo, Li-ta; Sewell, Christopher; Ahrens, James

PISTON: A Portable Cross-Platform Framework for Data-Parallel Visualization Operators. Inproceedings

In: EGPGV, pp. 11–20, 2012, (LA-UR-12-10227).

Abstract | Links | BibTeX | Tags: Concurrent Programming, parallel programming, PISTON

A Study of Ray Tracing Large-Scale Scientific Data in Parallel Visualization Applications

Brownlee, Carson; Patchett, John; Lo, Li-Ta; DeMarle, David; Mitchell, Christopher; Ahrens, James; Hansen, Charles

A Study of Ray Tracing Large-Scale Scientific Data in Parallel Visualization Applications Inproceedings

In: Eurographics Symposium on Parallel Graphics and Visualization, pp. 51–60, The Eurographics Association 2012, (LA-UR-pending).

Abstract | Links | BibTeX | Tags: Distributed/network graphics, Graphics Systems, parallel, ray tracing, visualization

Subband coding for large-scale scientific simulation data using JPEG 2000

Brislawn, Christopher M.; Woodring, Jonathan; Mniszewski, Susan; DeMarle, David; Ahrens, James

Subband coding for large-scale scientific simulation data using JPEG 2000 Inproceedings

In: Image Analysis and Interpretation (SSIAI), 2012 IEEE Southwest Symposium on, pp. 201–204, IEEE 2012, (LA-UR-12-1352).

Abstract | Links | BibTeX | Tags: JPEG 2000, scientific simulation data, subband coding

The SDAV software frameworks for visualization and analysis on next-generation multi-core and many-core architectures

Sewell, Christopher; Meredith, Jeremy; Moreland, Kenneth; Peterka, Tom; DeMarle, David; Lo, Li-ta; Ahrens, James; Maynard, Robert; Geveci, Berk

The SDAV software frameworks for visualization and analysis on next-generation multi-core and many-core architectures Inproceedings

In: High Performance Computing, Networking, Storage and Analysis (SCC), 2012 SC Companion:, pp. 206–214, IEEE 2012, (LA-UR-12-26928).

Abstract | Links | BibTeX | Tags: data-parallel, in-situ, many-core architectures, mult-core architectures, visualization, VTK-m

2011