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- research-articleFebruary 2024
Multi-User Redirected Walking in Separate Physical Spaces for Online VR Scenarios
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 4April 2024, Pages 1916–1926https://doi.org/10.1109/TVCG.2023.3251648With the recent rise of Metaverse, online multiplayer VR applications are becoming increasingly prevalent worldwide. However, as multiple users are located in different physical environments, different reset frequencies and timings can lead to serious ...
- research-articleJanuary 2024
Visual Exploration of Machine Learning Model Behavior With Hierarchical Surrogate Rule Sets
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 2Feb. 2024, Pages 1470–1488https://doi.org/10.1109/TVCG.2022.3219232One of the potential solutions for model interpretation is to train a surrogate model: a more transparent model that approximates the behavior of the model to be explained. Typically, <italic>classification rules</italic> or <italic>decision trees</italic>...
- opinionDecember 2023
Welcome
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages xv–xvihttps://doi.org/10.1109/TVCG.2023.3326051We are thrilled this year to welcome the IEEE VIS conference for its first ever visit to Australia. It is, for that matter, the first time for this conference to come to the Southern Hemisphere, as well as its first time in an Asian time zone. We ...
- research-articleDecember 2023
Interactive Reweighting for Mitigating Label Quality Issues
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 3March 2024, Pages 1837–1852https://doi.org/10.1109/TVCG.2023.3345340Label quality issues, such as noisy labels and imbalanced class distributions, have negative effects on model performance. Automatic reweighting methods identify problematic samples with label quality issues by recognizing their negative effects on ...
- research-articleDecember 2023
Knowledge Graphs in Practice: Characterizing their Users, Challenges, and Visualization Opportunities
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 584–594https://doi.org/10.1109/TVCG.2023.3326904This study presents insights from interviews with nineteen Knowledge Graph (KG) practitioners who work in both enterprise and academic settings on a wide variety of use cases. Through this study, we identify critical challenges experienced by KG ...
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- research-articleDecember 2023
Designing for Visualization in Motion: Embedding Visualizations in Swimming Videos
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 3March 2024, Pages 1821–1836https://doi.org/10.1109/TVCG.2023.3341990We report on challenges and considerations for supporting design processes for visualizations in motion embedded in sports videos. We derive our insights from analyzing swimming race visualizations and motion-related data, building a technology probe, as ...
- research-articleNovember 2023
InVADo: Interactive Visual Analysis of Molecular Docking Data
- Marco Schäfer,
- Nicolas Brich,
- Jan Byška,
- Sérgio M. Marques,
- David Bednář,
- Philipp Thiel,
- Barbora Kozlíková,
- Michael Krone
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 4April 2024, Pages 1984–1997https://doi.org/10.1109/TVCG.2023.3337642Molecular docking is a key technique in various fields like structural biology, medicinal chemistry, and biotechnology. It is widely used for virtual screening during drug discovery, computer-assisted drug design, and protein engineering. A general ...
- research-articleNovember 2023
Visual Exploratory Analysis for Designing Large-Scale Network-on-Chip Architectures: A Domain Expert-Led Design Study
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 4April 2024, Pages 1970–1983https://doi.org/10.1109/TVCG.2023.3337173Visualization design studies bring together visualization researchers and domain experts to address yet unsolved data analysis challenges stemming from the needs of the domain experts. Typically, the visualization researchers lead the design study process ...
- research-articleNovember 2023
Roses Have Thorns: Understanding the Downside of Oncological Care Delivery Through Visual Analytics and Sequential Rule Mining
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 1227–1237https://doi.org/10.1109/TVCG.2023.3326939Personalized head and neck cancer therapeutics have greatly improved survival rates for patients, but are often leading to understudied long-lasting symptoms which affect quality of life. Sequential rule mining (SRM) is a promising unsupervised machine ...
- research-articleNovember 2023
Out of the Plane: Flower versus Star Glyphs to Support High-Dimensional Exploration in Two-Dimensional Embeddings
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 29, Issue 12Dec. 2023, Pages 5468–5482https://doi.org/10.1109/TVCG.2022.3216919Exploring high-dimensional data is a common task in many scientific disciplines. To address this task, two-dimensional embeddings, such as tSNE and UMAP, are widely used. While these determine the 2D position of data items, effectively encoding the first ...
- research-articleNovember 2023
Metameric Inpainting for Image Warping
- Rafael Kuffner dos Anjos,
- David Walton,
- Kaan Akşit,
- Sebastian Friston,
- David Swapp,
- Anthony Steed,
- Tobias Ritschel
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 29, Issue 12Dec. 2023, Pages 5511–5522https://doi.org/10.1109/TVCG.2022.3216712<italic>Image-warping</italic>, a per-pixel deformation of one image into another, is an essential component in immersive visual experiences such as virtual reality or augmented reality. The primary issue with image warping is disocclusions, where ...
- research-articleNovember 2023
Strolling in Room-Scale VR: Hex-Core-MK1 Omnidirectional Treadmill
- Ziyao Wang,
- Chiyi Liu,
- Jialiang Chen,
- Yao Yao,
- Dazheng Fang,
- Zhiyi Shi,
- Rui Yan,
- Yiye Wang,
- KanJian Zhang,
- Hai Wang,
- Haikun Wei
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 29, Issue 12Dec. 2023, Pages 5538–5555https://doi.org/10.1109/TVCG.2022.3216211The natural locomotion interface is critical to the development of many VR applications. For household VR applications, there are two basic requirements: natural immersive experience and minimized space occupation. The existing locomotion strategies ...
- research-articleNovember 2023
Rainbow Colormaps: What are They <italic>Good</italic> and <italic>Bad</italic> for?
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 29, Issue 12Dec. 2023, Pages 5496–5510https://doi.org/10.1109/TVCG.2022.3214771Guidelines for color use in quantitative visualizations have strongly discouraged the use of rainbow colormaps, arguing instead for smooth designs that do not induce visual discontinuities or implicit color categories. However, the empirical evidence ...
- research-articleNovember 2023
MolSieve: A Progressive Visual Analytics System for Molecular Dynamics Simulations
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 727–737https://doi.org/10.1109/TVCG.2023.3326584Molecular Dynamics (MD) simulations are ubiquitous in cutting-edge physio-chemical research. They provide critical insights into how a physical system evolves over time given a model of interatomic interactions. Understanding a system's evolution ...
- research-articleNovember 2023
Swaying the Public? Impacts of Election Forecast Visualizations on Emotion, Trust, and Intention in the 2022 U.S. Midterms
- Fumeng Yang,
- Mandi Cai,
- Chloe Mortenson,
- Hoda Fakhari,
- Ayse D. Lokmanoglu,
- Jessica Hullman,
- Steven Franconeri,
- Nicholas Diakopoulos,
- Erik C. Nisbet,
- Matthew Kay
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 23–33https://doi.org/10.1109/TVCG.2023.3327356We conducted a longitudinal study during the 2022 U.S. midterm elections, investigating the real-world impacts of uncertainty visualizations. Using our forecast model of the governor elections in 33 states, we created a website and deployed four ...
- research-articleNovember 2023
Eliciting Multimodal and Collaborative Interactions for Data Exploration on Large Vertical Displays
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 2Feb. 2024, Pages 1624–1637https://doi.org/10.1109/TVCG.2023.3323150We examined user preferences to combine multiple interaction modalities for collaborative interaction with data shown on large vertical displays. Large vertical displays facilitate visual data exploration and allow the use of diverse interaction ...
- research-articleNovember 2023
Socrates: Data Story Generation via Adaptive Machine-Guided Elicitation of User Feedback
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 131–141https://doi.org/10.1109/TVCG.2023.3327363Visual data stories can effectively convey insights from data, yet their creation often necessitates intricate data exploration, insight discovery, narrative organization, and customization to meet the communication objectives of the storyteller. Existing ...
- research-articleNovember 2023
Data Type Agnostic Visual Sensitivity Analysis
- Nikolaus Piccolotto,
- Markus Bögl,
- Christoph Muehlmann,
- Klaus Nordhausen,
- Peter Filzmoser,
- Johanna Schmidt,
- Silvia Miksch
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 1106–1116https://doi.org/10.1109/TVCG.2023.3327203Modern science and industry rely on computational models for simulation, prediction, and data analysis. Spatial blind source separation (SBSS) is a model used to analyze spatial data. Designed explicitly for spatial data analysis, it is superior to ...
- research-articleNovember 2023
: A Cluster Ambiguity Measure for Estimating Perceptual Variability in Visual Clustering<italic/>
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 770–780https://doi.org/10.1109/TVCG.2023.3327201Visual clustering is a common perceptual task in scatterplots that supports diverse analytics tasks (e.g., cluster identification). However, even with the same scatterplot, the ways of perceiving clusters (i.e., conducting visual clustering) can differ ...
- research-articleNovember 2023
Data Player: Automatic Generation of Data Videos with Narration-Animation Interplay
IEEE Transactions on Visualization and Computer Graphics (ITVC), Volume 30, Issue 1Jan. 2024, Pages 109–119https://doi.org/10.1109/TVCG.2023.3327197Data visualizations and narratives are often integrated to convey data stories effectively. Among various data storytelling formats, data videos have been garnering increasing attention. These videos provide an intuitive interpretation of data charts ...