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08/01/2023
CLAMS: A Cluster Ambiguity Measure for Estimating Perceptual Variability in Visual Clustering
Visual clustering is a common perceptual task in scatterplots that suppo...
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07/17/2023
A Comparative Study of the Perceptual Sensitivity of Topological Visualizations to Feature Variations
Color maps are a commonly used visualization technique in which data are...
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06/09/2023
A Qualitative Analysis of Common Practices in Annotations: A Taxonomy and Design Space
Annotations are a vital component of data externalization and collaborat...
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08/14/2022
Untangling Force-Directed Layouts Using Persistent Homology
Force-directed layouts belong to a popular class of methods used to posi...
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07/07/2022
Automatic Scatterplot Design Optimization for Clustering Identification
Scatterplots are among the most widely used visualization techniques. Co...
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07/07/2022
A Case-Study on Variations Observed in Accelerometers Across Devices
Every year we grow more dependent on wearable devices to gather personal...
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08/05/2021
Through the Looking Glass: Insights into Visualization Pedagogy through Sentiment Analysis of Peer Review Text
Peer review is a widely utilized feedback mechanism for engaging student...
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08/02/2021
Polarity in the Classroom: A Case Study Leveraging Peer Sentiment Toward Scalable Assessment
Accurately grading open-ended assignments in large or massive open onlin...
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07/24/2021
CleanAirNowKC: Building Community Power by Improving Data Accessibility
As cities continue to grow globally, air pollution is increasing at an a...
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07/19/2021
AffectiveTDA: Using Topological Data Analysis to Improve Analysis and Explainability in Affective Computing
We present an approach utilizing Topological Data Analysis to study the ...
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07/15/2021
A Survey of Perception-Based Visualization Studies by Task
Knowledge of human perception has long been incorporated into visualizat...
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01/19/2021
Leveraging Peer Review in Visualization Education: A Proposal for a New Model
In visualization education, both science and humanities, the literature ...
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07/27/2020
LineSmooth: An Analytical Framework for Evaluating the Effectiveness of Smoothing Techniques on Line Charts
We present a comprehensive framework for evaluating line chart smoothing...
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07/27/2020
Modeling the Influence of Visual Density on Cluster Perception in Scatterplots Using Topology
Scatterplots are used for a variety of visual analytics tasks, including...
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02/12/2020
Graph Similarity Using PageRank and Persistent Homology
The PageRank of a graph is a scalar function defined on the node set of ...
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01/12/2020
Leveraging Peer Feedback to Improve Visualization Education
Peer review is a widely utilized pedagogical feedback mechanism for enga...
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09/04/2019
Propagate and Pair: A Single-Pass Approach to Critical Point Pairing in Reeb Graphs
With the popularization of Topological Data Analysis, the Reeb graph has...
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09/03/2019
Topologically-Guided Color Image Enhancement
Enhancement is an important step in post-processing digital images for p...
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08/23/2019
You Can't Publish Replication Studies (and How to Anyways)
Reproducibility has been increasingly encouraged by communities of scien...
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06/22/2019
TopoLines: Topological Smoothing for Line Charts
Line charts are commonly used to visualize a series of data samples. Whe...
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04/21/2019
Mesh Learning Using Persistent Homology on the Laplacian Eigenfunctions
We use persistent homology along with the eigenfunctions of the Laplacia...
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10/18/2018
An Efficient Data Retrieval Parallel Reeb Graph Algorithm
The Reeb graph of a scalar function defined on a domain gives a topologi...
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07/09/2018
Inferring Quality in Point Cloud-based 3D Printed Objects using Topological Data Analysis
Assessing the quality of 3D printed models before they are printed remai...
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06/22/2018
Homology-Preserving Dimensionality Reduction via Manifold Landmarking and Tearing
Dimensionality reduction is an integral part of data visualization. It i...
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12/15/2017
Driving Interactive Graph Exploration Using 0-Dimensional Persistent Homology Features
Graphs are commonly used to encode relationships among entities, yet, th...
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12/11/2017
Distributed Mapper
The construction of Mapper has emerged in the last decade as a powerful ...
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10/24/2017
The Shape of an Image: A Study of Mapper on Images
We study the topological construction called Mapper in the context of si...
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07/20/2017