Conference
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10
CHI
2,019
Scaptics and Highlight-Planes: Immersive Interaction Techniques for Finding Occluded Features in 3D Scatterplots
10.1145/3290605.3300555
Three-dimensional scatterplots suffer from well-known perception and usability problems. In particular, overplotting and occlusion, mainly due to density and noise, prevent users from properly perceiving the data. Thanks to accurate head and hand tracking, immersive Virtual Reality (VR) setups provide new ways to inter...
false
false
[ "Arnaud Prouzeau", "Maxime Cordeil", "Clement Robin", "Barrett Ens", "Bruce H. Thomas", "Tim Dwyer" ]
[]
[]
[]
CHI
2,019
TalkTraces: Real-Time Capture and Visualization of Verbal Content in Meetings
10.1145/3290605.3300807
Group Support Systems provide ways to review and edit shared content during meetings, but typically require participants to explicitly generate the content. Recent advances in speech-to-text conversion and language processing now make it possible to automatically record and review spoken information. We present the ite...
false
false
[ "Senthil K. Chandrasegaran", "Chris Bryan", "Hidekazu Shidara", "Tung-Yen Chuang", "Kwan-Liu Ma" ]
[]
[]
[]
CHI
2,019
Thinking Too Classically: Research Topics in Human-Quantum Computer Interaction
10.1145/3290605.3300486
Quantum computing is a fundamentally different way of performing computation than classical computing. Many problems that are considered hard for classical computers may have efficient solutions using quantum computers. Recently, technology companies including IBM, Microsoft, and Google have invested in developing both...
false
false
[ "Zahra Ashktorab", "Justin D. Weisz", "Maryam Ashoori" ]
[]
[]
[]
CHI
2,019
Towards Collaboration Translucence: Giving Meaning to Multimodal Group Data
10.1145/3290605.3300269
Collocated, face-to-face teamwork remains a pervasive mode of working, which is hard to replicate online. Team members' embodied, multimodal interaction with each other and artefacts has been studied by researchers, but due to its complexity, has remained opaque to automated analysis. However, the ready availability of...
false
false
[ "Vanessa Echeverría", "Roberto Martínez Maldonado", "Simon Buckingham Shum" ]
[]
[]
[]
CHI
2,019
Towards Effective Foraging by Data Scientists to Find Past Analysis Choices
10.1145/3290605.3300322
Data scientists are responsible for the analysis decisions they make, but it is hard for them to track the process by which they achieved a result. Even when data scientists keep logs, it is onerous to make sense of the resulting large number of history records full of overlapping variants of code, output, plots, etc. ...
false
false
[ "Mary Beth Kery", "Bonnie E. John", "Patrick O'Flaherty", "Amber Horvath", "Brad A. Myers" ]
[]
[]
[]
CHI
2,019
Trust and Recall of Information across Varying Degrees of Title-Visualization Misalignment
10.1145/3290605.3300576
Visualizations are emerging as a means of spreading digital misinformation. Prior work has shown that visualization interpretation can be manipulated through slanted titles that favor only one side of the visual story, yet people still think the visualization is impartial. In this work, we study whether such effects co...
false
false
[ "Ha Kyung Kong", "Zhicheng Liu 0001", "Karrie Karahalios" ]
[]
[]
[]
CHI
2,019
Understanding Law Enforcement Strategies and Needs for Combating Human Trafficking
10.1145/3290605.3300561
In working to rescue victims of human trafficking, law enforcement officers face a host of challenges. Working in complex, layered organizational structures, they face challenges of collaboration and communication. Online information is central to every phase of a human-trafficking investigation. With terabytes of avai...
false
false
[ "Julia Deeb-Swihart", "Alex Endert", "Amy S. Bruckman" ]
[]
[]
[]
CHI
2,019
Understanding Visual Cues in Visualizations Accompanied by Audio Narrations
10.1145/3290605.3300280
It is often assumed that visual cues, which highlight specific parts of a visualization to guide the audience's attention, facilitate visualization storytelling and presentation. This assumption has not been systematically studied. We present an in-lab experiment and a Mechanical Turk study to examine the effects of in...
false
false
[ "Ha Kyung Kong", "Wenjie Zhu", "Zhicheng Liu 0001", "Karrie Karahalios" ]
[]
[]
[]
CHI
2,019
Vistribute: Distributing Interactive Visualizations in Dynamic Multi-Device Setups
10.1145/3290605.3300846
We present Vistribute, a framework for the automatic distribution of visualizations and UI components across multiple heterogeneous devices. Our framework consists of three parts: (i) a design space considering properties and relationships of interactive visualizations, devices, and user preferences in multi-display en...
false
false
[ "Tom Horak", "Andreas Mathisen", "Clemens Nylandsted Klokmose", "Raimund Dachselt", "Niklas Elmqvist" ]
[]
[]
[]
CHI
2,019
Visualizing Uncertainty and Alternatives in Event Sequence Predictions
10.1145/3290605.3300803
Data analysts apply machine learning and statistical methods to timestamped event sequences to tackle various problems but face unique challenges when interpreting the results. Especially in event sequence prediction, it is difficult to convey uncertainty and possible alternative paths or outcomes. In this work, inform...
false
false
[ "Shunan Guo", "Fan Du", "Sana Malik", "Eunyee Koh", "Sungchul Kim", "Zhicheng Liu 0001", "Donghyun Kim 0007", "Hongyuan Zha", "Nan Cao 0001" ]
[]
[]
[]
CHI
2,019
Visually Encoding the Lived Experience of Bipolar Disorder
10.1145/3290605.3300363
Issues of social identity, attitudes towards self-disclosure, and potentially biased approaches to what is considered "typical" or "normal" are critical factors when designing visualizations for personal informatics systems. This is particularly true when working with vulnerable populations like those who self-track to...
false
false
[ "Jaime Snyder", "Elizabeth L. Murnane", "Caitlin Lustig", "Stephen Voida" ]
[]
[]
[]
CHI
2,019
VizML: A Machine Learning Approach to Visualization Recommendation
10.1145/3290605.3300358
Visualization recommender systems aim to lower the barrier to exploring basic visualizations by automatically generating results for analysts to search and select, rather than manually specify. Here, we demonstrate a novel machine learning-based approach to visualization recommendation that learns visualization design ...
false
false
[ "Kevin Zeng Hu", "Michiel A. Bakker", "Stephen Li", "Tim Kraska", "César A. Hidalgo 0001" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1808.04819v1", "icon": "paper" } ]
CHI
2,019
VizNet: Towards A Large-Scale Visualization Learning and Benchmarking Repository
10.1145/3290605.3300892
Researchers currently rely on ad hoc datasets to train automated visualization tools and evaluate the effectiveness of visualization designs. These exemplars often lack the characteristics of real-world datasets, and their one-off nature makes it difficult to compare different techniques. In this paper, we present VizN...
false
false
[ "Kevin Zeng Hu", "Snehalkumar (Neil) S. Gaikwad", "Madelon Hulsebos", "Michiel A. Bakker", "Emanuel Zgraggen", "César A. Hidalgo 0001", "Tim Kraska", "Guoliang Li 0001", "Arvind Satyanarayan", "Çagatay Demiralp" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1905.04616v1", "icon": "paper" } ]
VAST
2,018
A Visual Analytics Framework for Spatiotemporal Trade Network Analysis
10.1109/TVCG.2018.2864844
Economic globalization is increasing connectedness among regions of the world, creating complex interdependencies within various supply chains. Recent studies have indicated that changes and disruptions within such networks can serve as indicators for increased risks of violence and armed conflicts. This is especially ...
false
false
[ "Hong Wang", "Yafeng Lu", "Shade T. Shutters", "Michael Steptoe", "Feng Wang 0012", "Steven Landis", "Ross Maciejewski" ]
[]
[]
[]
VAST
2,018
A Visual Analytics Framework for the Detection of Anomalous Call Stack Trees in High Performance Computing Applications
10.1109/TVCG.2018.2865026
Anomalous runtime behavior detection is one of the most important tasks for performance diagnosis in High Performance Computing (HPC). Most of the existing methods find anomalous executions based on the properties of individual functions, such as execution time. However, it is insufficient to identify abnormal behavior...
false
false
[ "Cong Xie", "Wei Xu 0020", "Klaus Mueller 0001" ]
[ "HM" ]
[]
[]
VAST
2,018
An Information-Theoretic Approach to the Cost-benefit Analysis of Visualization in Virtual Environments
10.1109/TVCG.2018.2865025
Visualization and virtual environments (VEs) have been two interconnected parallel strands in visual computing for decades. Some VEs have been purposely developed for visualization applications, while many visualization applications are exemplary showcases in general-purpose VEs. Because of the development and operatio...
false
false
[ "Min Chen 0001", "Kelly P. Gaither", "Nigel W. John", "Brian C. McCann" ]
[]
[]
[]
VAST
2,018
An Interactive Method to Improve Crowdsourced Annotations
10.1109/TVCG.2018.2864843
In order to effectively infer correct labels from noisy crowdsourced annotations, learning-from-crowds models have introduced expert validation. However, little research has been done on facilitating the validation procedure. In this paper, we propose an interactive method to assist experts in verifying uncertain insta...
false
false
[ "Shixia Liu", "Changjian Chen", "Yafeng Lu", "Fang-Xin Ou-Yang", "Bin Wang 0021" ]
[]
[]
[]
VAST
2,018
Analysis of Flight Variability: a Systematic Approach
10.1109/TVCG.2018.2864811
In movement data analysis, there exists a problem of comparing multiple trajectories of moving objects to common or distinct reference trajectories. We introduce a general conceptual framework for comparative analysis of trajectories and an analytical procedure, which consists of (1) finding corresponding points in pai...
false
false
[ "Natalia V. Andrienko", "Gennady L. Andrienko", "Jose Manuel Cordero Garcia", "David Scarlatti" ]
[]
[]
[]
VAST
2,018
Analyzing the Noise Robustness of Deep Neural Networks
10.1109/VAST.2018.8802509
Deep neural networks (DNNs) are vulnerable to maliciously generated adversarial examples. These examples are intentionally designed by making imperceptible perturbations and often mislead a DNN into making an incorrect prediction. This phenomenon means that there is significant risk in applying DNNs to safety-critical ...
false
false
[ "Mengchen Liu", "Shixia Liu", "Hang Su 0006", "Kelei Cao", "Jun Zhu 0001" ]
[]
[ "P", "V" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/2001.09395v1", "icon": "paper" }, { "name": "Fast Forward", "url": "https://youtu.be/1qzUAMTdWO4", "icon": "video" } ]
VAST
2,018
BitExTract: Interactive Visualization for Extracting Bitcoin Exchange Intelligence
10.1109/TVCG.2018.2864814
The emerging prosperity of cryptocurrencies, such as Bitcoin, has come into the spotlight during the past few years. Cryptocurrency exchanges, which act as the gateway to this world, now play a dominant role in the circulation of Bitcoin. Thus, delving into the analysis of the transaction patterns of exchanges can shed...
false
false
[ "Xuanwu Yue", "Xinhuan Shu", "Xinyu Zhu", "Xinnan Du", "Zheqing Yu", "Dimitrios Papadopoulos 0001", "Siyuan Liu" ]
[]
[]
[]
VAST
2,018
Clustrophile 2: Guided Visual Clustering Analysis
10.1109/TVCG.2018.2864477
Data clustering is a common unsupervised learning method frequently used in exploratory data analysis. However, identifying relevant structures in unlabeled, high-dimensional data is nontrivial, requiring iterative experimentation with clustering parameters as well as data features and instances. The number of possible...
false
false
[ "Marco Cavallo", "Çagatay Demiralp" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1804.03048v3", "icon": "paper" } ]
VAST
2,018
Doccurate: A Curation-Based Approach for Clinical Text Visualization
10.1109/TVCG.2018.2864905
Before seeing a patient, physicians seek to obtain an overview of the patient's medical history. Text plays a major role in this activity since it represents the bulk of the clinical documentation, but reviewing it quickly becomes onerous when patient charts grow too large. Text visualization methods have been widely e...
false
false
[ "Nicole Sultanum", "Devin Singh", "Michael Brudno", "Fanny Chevalier" ]
[]
[]
[]
VAST
2,018
DQNViz: A Visual Analytics Approach to Understand Deep Q-Networks
10.1109/TVCG.2018.2864504
Deep Q-Network (DQN), as one type of deep reinforcement learning model, targets to train an intelligent agent that acquires optimal actions while interacting with an environment. The model is well known for its ability to surpass professional human players across many Atari 2600 games. Despite the superhuman performanc...
false
false
[ "Junpeng Wang", "Liang Gou", "Han-Wei Shen", "Hao Yang 0007" ]
[ "HM" ]
[]
[]
VAST
2,018
Drag and Track: A Direct Manipulation Interface for Contextualizing Data Instances within a Continuous Parameter Space
10.1109/TVCG.2018.2865051
We present a direct manipulation technique that allows material scientists to interactively highlight relevant parameterized simulation instances located in dimensionally reduced spaces, enabling a user-defined understanding of a continuous parameter space. Our goals are two-fold: first, to build a user-directed intuit...
false
false
[ "Daniel Orban", "Daniel F. Keefe", "Ayan Biswas", "James P. Ahrens", "David H. Rogers 0001" ]
[]
[]
[]
VAST
2,018
Duet: Helping Data Analysis Novices Conduct Pairwise Comparisons by Minimal Specification
10.1109/TVCG.2018.2864526
Data analysis novices often encounter barriers in executing low-level operations for pairwise comparisons. They may also run into barriers in interpreting the artifacts (e.g., visualizations) created as a result of the operations. We developed Duet, a visual analysis system designed to help data analysis novices conduc...
false
false
[ "Po-Ming Law", "Rahul C. Basole", "Yanhong Wu" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "https://osf.io/rzk49", "icon": "paper" } ]
VAST
2,018
EmbeddingVis: A Visual Analytics Approach to Comparative Network Embedding Inspection
10.1109/VAST.2018.8802454
Constructing latent vector representation for nodes in a network through embedding models has shown its practicality in many graph analysis applications, such as node classification, clustering, and link prediction. However, despite the high efficiency and accuracy of learning an embedding model, people have little clu...
false
false
[ "Quan Li", "Kristanto Sean Njotoprawiro", "Hammad Haleem", "Qiaoan Chen", "Chris Yi", "Xiaojuan Ma" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1808.09074v1", "icon": "paper" } ]
VAST
2,018
Enhancing Web-based Analytics Applications through Provenance
10.1109/TVCG.2018.2865039
Visual analytics systems continue to integrate new technologies and leverage modern environments for exploration and collaboration, making tools and techniques available to a wide audience through web browsers. Many of these systems have been developed with rich interactions, offering users the opportunity to examine d...
false
false
[ "Akhilesh Camisetty", "Chaitanya Chandurkar", "Maoyuan Sun", "David Koop" ]
[]
[]
[]
VAST
2,018
EnsembleLens: Ensemble-based Visual Exploration of Anomaly Detection Algorithms with Multidimensional Data
10.1109/TVCG.2018.2864825
The results of anomaly detection are sensitive to the choice of detection algorithms as they are specialized for different properties of data, especially for multidimensional data. Thus, it is vital to select the algorithm appropriately. To systematically select the algorithms, ensemble analysis techniques have been de...
false
false
[ "Ke Xu", "Meng Xia", "Xing Mu", "Yun Wang 0012", "Nan Cao" ]
[]
[]
[]
VAST
2,018
Evaluating Multi-Dimensional Visualizations for Understanding Fuzzy Clusters
10.1109/TVCG.2018.2865020
Fuzzy clustering assigns a probability of membership for a datum to a cluster, which veritably reflects real-world clustering scenarios but significantly increases the complexity of understanding fuzzy clusters. Many studies have demonstrated that visualization techniques for multi-dimensional data are beneficial to un...
false
false
[ "Ying Zhao 0001", "Feng Luo", "Minghui Chen", "Yingchao Wang", "Jiazhi Xia", "Fangfang Zhou", "Yunhai Wang", "Yi Chen 0007", "Wei Chen 0001" ]
[]
[]
[]
VAST
2,018
ForVizor: Visualizing Spatio-Temporal Team Formations in Soccer
10.1109/TVCG.2018.2865041
Regarded as a high-level tactic in soccer, a team formation assigns players different tasks and indicates their active regions on the pitch, thereby influencing the team performance significantly. Analysis of formations in soccer has become particularly indispensable for soccer analysts. However, formations of a team a...
false
false
[ "Yingcai Wu", "Xiao Xie", "Jiachen Wang", "Dazhen Deng", "Hongye Liang", "Hui Zhang 0051", "Shoubin Cheng", "Wei Chen 0001" ]
[]
[]
[]
VAST
2,018
Futzing and Moseying: Interviews with Professional Data Analysts on Exploration Practices
10.1109/TVCG.2018.2865040
We report the results of interviewing thirty professional data analysts working in a range of industrial, academic, and regulatory environments. This study focuses on participants' descriptions of exploratory activities and tool usage in these activities. Highlights of the findings include: distinctions between explora...
false
false
[ "Sara Alspaugh", "Nava Zokaei", "Andrea Liu", "Cindy Jin", "Marti A. Hearst" ]
[]
[]
[]
VAST
2,018
GAN Lab: Understanding Complex Deep Generative Models using Interactive Visual Experimentation
10.1109/TVCG.2018.2864500
Recent success in deep learning has generated immense interest among practitioners and students, inspiring many to learn about this new technology. While visual and interactive approaches have been successfully developed to help people more easily learn deep learning, most existing tools focus on simpler models. In thi...
false
false
[ "Minsuk Kahng", "Nikhil Thorat", "Polo Chau", "Fernanda B. Viégas", "Martin Wattenberg" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1809.01587v1", "icon": "paper" } ]
VAST
2,018
GraphProtector: A Visual Interface for Employing and Assessing Multiple Privacy Preserving Graph Algorithms
10.1109/TVCG.2018.2865021
Analyzing social networks reveals the relationships between individuals and groups in the data. However, such analysis can also lead to privacy exposure (whether intentionally or inadvertently): leaking the real-world identity of ostensibly anonymous individuals. Most sanitization strategies modify the graph's structur...
false
false
[ "Xumeng Wang", "Wei Chen 0001", "Jia-Kai Chou", "Chris Bryan", "Huihua Guan", "Wenlong Chen", "Rusheng Pan", "Kwan-Liu Ma" ]
[]
[]
[]
VAST
2,018
Identification of Temporally Varying Areas of Interest in Long-Duration Eye-Tracking Data Sets
10.1109/TVCG.2018.2865042
Eye-tracking has become an invaluable tool for the analysis of working practices in many technological fields of activity. Typically studies focus on short tasks and use static expected areas of interest (AoI) in the display to explore subjects' behaviour, making the analyst's task quite straightforward. In long-durati...
false
false
[ "Prithiviraj K. Muthumanickam", "Katerina Vrotsou", "Aida Nordman", "Jimmy Johansson 0001", "Matthew Cooper 0001" ]
[]
[]
[]
VAST
2,018
iForest: Interpreting Random Forests via Visual Analytics
10.1109/TVCG.2018.2864475
As an ensemble model that consists of many independent decision trees, random forests generate predictions by feeding the input to internal trees and summarizing their outputs. The ensemble nature of the model helps random forests outperform any individual decision tree. However, it also leads to a poor model interpret...
false
false
[ "Xun Zhao", "Yanhong Wu", "Dik Lun Lee", "Weiwei Cui" ]
[]
[]
[]
VAST
2,018
InkPlanner: Supporting Prewriting via Intelligent Visual Diagramming
10.1109/TVCG.2018.2864887
Prewriting is the process of generating and organizing ideas before drafting a document. Although often overlooked by novice writers and writing tool developers, prewriting is a critical process that improves the quality of a final document. To better understand current prewriting practices, we first conducted intervie...
false
false
[ "Zhicong Lu", "Mingming Fan 0001", "Yun Wang 0012", "Jian Zhao 0010", "Michelle Annett", "Daniel J. Wigdor" ]
[]
[]
[]
VAST
2,018
KnowledgePearls: Provenance-Based Visualization Retrieval
10.1109/TVCG.2018.2865024
Storing analytical provenance generates a knowledge base with a large potential for recalling previous results and guiding users in future analyses. However, without extensive manual creation of meta information and annotations by the users, search and retrieval of analysis states can become tedious. We present Knowled...
false
false
[ "Holger Stitz", "Samuel Gratzl", "Harald Piringer", "Thomas Zichner", "Marc Streit" ]
[]
[]
[]
VAST
2,018
Lessons Learned Developing a Visual Analytics Solution for Investigative Analysis of Scamming Activities
10.1109/TVCG.2018.2865023
The forensic investigation of communication datasets which contain unstructured text, social network information, and metadata is a complex task that is becoming more important due to the immense amount of data being collected. Currently there are limited approaches that allow an investigator to explore the network, te...
false
false
[ "Jay Koven", "Cristian Felix", "Hossein Siadati", "Markus Jakobsson", "Enrico Bertini" ]
[]
[]
[]
VAST
2,018
Manifold: A Model-Agnostic Framework for Interpretation and Diagnosis of Machine Learning Models
10.1109/TVCG.2018.2864499
Interpretation and diagnosis of machine learning models have gained renewed interest in recent years with breakthroughs in new approaches. We present Manifold, a framework that utilizes visual analysis techniques to support interpretation, debugging, and comparison of machine learning models in a more transparent and i...
false
false
[ "Jiawei Zhang 0003", "Yang Wang", "Piero Molino", "Lezhi Li", "David S. Ebert" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1808.00196v1", "icon": "paper" } ]
VAST
2,018
MAQUI: Interweaving Queries and Pattern Mining for Recursive Event Sequence Exploration
10.1109/TVCG.2018.2864886
Exploring event sequences by defining queries alone or by using mining algorithms alone is often not sufficient to support analysis. Analysts often interweave querying and mining in a recursive manner during event sequence analysis: sequences extracted as query results are used for mining patterns, patterns generated a...
false
false
[ "Po-Ming Law", "Zhicheng Liu", "Sana Malik", "Rahul C. Basole" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "https://osf.io/tg7w5", "icon": "paper" } ]
VAST
2,018
MotionRugs: Visualizing Collective Trends in Space and Time
10.1109/TVCG.2018.2865049
Understanding the movement patterns of collectives, such as flocks of birds or fish swarms, is an interesting open research question. The collectives are driven by mutual objectives or react to individual direction changes and external influence factors and stimuli. The challenge in visualizing collective movement data...
false
false
[ "Juri Buchmüller", "Dominik Jäckle", "Eren Cakmak", "Ulrik Brandes", "Daniel A. Keim" ]
[]
[]
[]
VAST
2,018
RegressionExplorer: Interactive Exploration of Logistic Regression Models with Subgroup Analysis
10.1109/TVCG.2018.2865043
We present RegressionExplorer, a Visual Analytics tool for the interactive exploration of logistic regression models. Our application domain is Clinical Biostatistics, where models are derived from patient data with the aim to obtain clinically meaningful insights and consequences. Development and interpretation of a p...
false
false
[ "Dennis Dingen", "Marcel van 't Veer", "Patrick Houthuizen", "Eveline H. J. Mestrom", "Hendrikus H. M. Korsten", "R. Arthur Bouwman", "Jarke J. van Wijk" ]
[]
[]
[]
VAST
2,018
RetainVis: Visual Analytics with Interpretable and Interactive Recurrent Neural Networks on Electronic Medical Records
10.1109/TVCG.2018.2865027
We have recently seen many successful applications of recurrent neural networks (RNNs) on electronic medical records (EMRs), which contain histories of patients' diagnoses, medications, and other various events, in order to predict the current and future states of patients. Despite the strong performance of RNNs, it is...
false
false
[ "Bum Chul Kwon", "Min-Je Choi", "Joanne Taery Kim", "Edward Choi", "Young-bin Kim", "Soonwook Kwon", "Jimeng Sun 0001", "Jaegul Choo" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1805.10724v3", "icon": "paper" } ]
VAST
2,018
RuleMatrix: Visualizing and Understanding Classifiers with Rules
10.1109/TVCG.2018.2864812
With the growing adoption of machine learning techniques, there is a surge of research interest towards making machine learning systems more transparent and interpretable. Various visualizations have been developed to help model developers understand, diagnose, and refine machine learning models. However, a large numbe...
false
false
[ "Yao Ming", "Huamin Qu", "Enrico Bertini" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1807.06228v1", "icon": "paper" } ]
VAST
2,018
Segue: Overviewing Evolution Patterns of Egocentric Networks by Interactive Construction of Spatial Layouts
10.1109/VAST.2018.8802415
Getting the overall picture of how a large number of ego-networks evolve is a common yet challenging task. Existing techniques often require analysts to inspect the evolution patterns of ego-networks one after another. In this study, we explore an approach that allows analysts to interactively create spatial layouts in...
false
false
[ "Po-Ming Law", "Yanhong Wu", "Rahul C. Basole" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "https://osf.io/ah5y6", "icon": "paper" } ]
VAST
2,018
Seq2Seq-Vis: A Visual Debugging Tool for Sequence-to-Sequence Models
10.1109/TVCG.2018.2865044
Neural sequence-to-sequence models have proven to be accurate and robust for many sequence prediction tasks, and have become the standard approach for automatic translation of text. The models work with a five-stage blackbox pipeline that begins with encoding a source sequence to a vector space and then decoding out to...
false
false
[ "Hendrik Strobelt", "Sebastian Gehrmann", "Michael Behrisch 0001", "Adam Perer", "Hanspeter Pfister", "Alexander M. Rush" ]
[ "HM" ]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1804.09299v2", "icon": "paper" } ]
VAST
2,018
SIRIUS: Dual, Symmetric, Interactive Dimension Reductions
10.1109/TVCG.2018.2865047
Much research has been done regarding how to visualize and interact with observations and attributes of high-dimensional data for exploratory data analysis. From the analyst's perceptual and cognitive perspective, current visualization approaches typically treat the observations of the high-dimensional dataset very dif...
false
false
[ "Michelle Dowling", "John E. Wenskovitch", "J. T. Fry", "Scotland Leman", "Leanna House", "Chris North 0001" ]
[]
[]
[]
VAST
2,018
Situ: Identifying and Explaining Suspicious Behavior in Networks
10.1109/TVCG.2018.2865029
Despite the best efforts of cyber security analysts, networked computing assets are routinely compromised, resulting in the loss of intellectual property, the disclosure of state secrets, and major financial damages. Anomaly detection methods are beneficial for detecting new types of attacks and abnormal network activi...
false
false
[ "John R. Goodall", "Eric D. Ragan", "Chad A. Steed", "Joel W. Reed", "G. David Richardson", "Kelly M. T. Huffer", "Robert A. Bridges", "Jason A. Laska" ]
[]
[]
[]
VAST
2,018
SMARTexplore: Simplifying High-Dimensional Data Analysis through a Table-Based Visual Analytics Approach
10.1109/VAST.2018.8802486
We present SMARTEXPLORE, a novel visual analytics technique that simplifies the identification and understanding of clusters, correlations, and complex patterns in high-dimensional data. The analysis is integrated into an interactive table-based visualization that maintains a consistent and familiar representation thro...
false
false
[ "Michael Blumenschein", "Michael Behrisch 0001", "Stefanie Schmid", "Simon Butscher", "Deborah Wahl", "Karoline Villinger", "Britta Renner", "Harald Reiterer", "Daniel A. Keim" ]
[]
[]
[]
VAST
2,018
The Effect of Proximity in Social Data Charts on Perceived Unity
10.1109/VAST.2018.8802449
Social data charts - visual presentations of quantitative data about peer behaviors - may offer new means to motivate individuals to participate in group goals. However, to do so these charts need to create a semantic response of `unity' among the chart viewers in order to overcome the problems of social loafing where ...
false
false
[ "Marlen Promann", "Sabine Brunswicker" ]
[]
[]
[]
VAST
2,018
The Effect of Semantic Interaction on Foraging in Text Analysis
10.1109/VAST.2018.8802424
Completing text analysis tasks is a continuous sensemaking loop of foraging for information and incrementally synthesizing it into hypotheses. Past research has shown the advantages of using spatial workspaces as a means for synthesizing information through externalizing hypotheses and creating spatial schemas. However...
false
false
[ "John E. Wenskovitch", "Lauren Bradel", "Michelle Dowling", "Leanna House", "Chris North 0001" ]
[]
[]
[]
VAST
2,018
TPFlow: Progressive Partition and Multidimensional Pattern Extraction for Large-Scale Spatio-Temporal Data Analysis
10.1109/TVCG.2018.2865018
Consider a multi-dimensional spatio-temporal (ST) dataset where each entry is a numerical measure defined by the corresponding temporal, spatial and other domain-specific dimensions. A typical approach to explore such data utilizes interactive visualizations with multiple coordinated views. Each view displays the aggre...
false
false
[ "Dongyu Liu", "Panpan Xu", "Ren Liu" ]
[ "BP" ]
[]
[]
VAST
2,018
VIBR: Visualizing Bipartite Relations at Scale with the Minimum Description Length Principle
10.1109/TVCG.2018.2864826
Bipartite graphs model the key relations in many large scale real-world data: customers purchasing items, legislators voting for bills, people's affiliation with different social groups, faults occurring in vehicles, etc. However, it is challenging to visualize large scale bipartite graphs with tens of thousands or eve...
false
false
[ "Gromit Yeuk-Yin Chan", "Panpan Xu", "Zeng Dai", "Ren Liu" ]
[]
[]
[]
VAST
2,018
VIS Author Profiles: Interactive Descriptions of Publication Records Combining Text and Visualization
10.1109/TVCG.2018.2865022
Publication records and collaboration networks are important for assessing the expertise and experience of researchers. Existing digital libraries show the raw publication lists in author profiles, whereas visualization techniques focus on specific subproblems. Instead, we look at publication records from various persp...
false
false
[ "Shahid Latif", "Fabian Beck 0001" ]
[]
[]
[]
VAST
2,018
VIS4ML: An Ontology for Visual Analytics Assisted Machine Learning
10.1109/TVCG.2018.2864838
While many VA workflows make use of machine-learned models to support analytical tasks, VA workflows have become increasingly important in understanding and improving Machine Learning (ML) processes. In this paper, we propose an ontology (VIS4ML) for a subarea of VA, namely “VA-assisted ML”. The purpose of VIS4ML is to...
false
false
[ "Dominik Sacha", "Matthias Kraus", "Daniel A. Keim", "Min Chen 0001" ]
[]
[]
[]
VAST
2,018
Visual Abstraction of Large Scale Geospatial Origin-Destination Movement Data
10.1109/TVCG.2018.2864503
A variety of human movement datasets are represented in an Origin-Destination(OD) form, such as taxi trips, mobile phone locations, etc. As a commonly-used method to visualize OD data, flow map always fails to discover patterns of human mobility, due to massive intersections and occlusions of lines on a 2D geographical...
false
false
[ "Zhiguang Zhou", "Linhao Meng", "Cheng Tang", "Ying Zhao 0001", "Zhiyong Guo", "Miaoxin Hu", "Wei Chen 0001" ]
[]
[]
[]
VAST
2,018
Visual Analysis of the Temporal Evolution of Ensemble Forecast Sensitivities
10.1109/TVCG.2018.2864901
Ensemble sensitivity analysis (ESA) has been established in the atmospheric sciences as a correlation-based approach to determine the sensitivity of a scalar forecast quantity computed by a numerical weather prediction model to changes in another model variable at a different model state. Its applications include deter...
false
false
[ "Alexander Kumpf", "Marc Rautenhaus", "Michael Riemer", "Rüdiger Westermann" ]
[]
[]
[]
VAST
2,018
Visual Analytics for Topic Model Optimization based on User-Steerable Speculative Execution
10.1109/TVCG.2018.2864769
To effectively assess the potential consequences of human interventions in model-driven analytics systems, we establish the concept of speculative execution as a visual analytics paradigm for creating user-steerable preview mechanisms. This paper presents an explainable, mixed-initiative topic modeling framework that i...
false
false
[ "Mennatallah El-Assady", "Fabian Sperrle", "Oliver Deussen", "Daniel A. Keim", "Christopher Collins 0001" ]
[]
[]
[]
VAST
2,018
Visual Progression Analysis of Event Sequence Data
10.1109/TVCG.2018.2864885
Event sequence data is common to a broad range of application domains, from security to health care to scholarly communication. This form of data captures information about the progression of events for an individual entity (e.g., a computer network device; a patient; an author) in the form of a series of time-stamped ...
false
false
[ "Shunan Guo", "Zhuochen Jin", "David Gotz", "Fan Du", "Hongyuan Zha", "Nan Cao" ]
[]
[]
[]
VAST
2,018
Vulnus: Visual Vulnerability Analysis for Network Security
10.1109/TVCG.2018.2865028
Vulnerabilities represent one of the main weaknesses of IT systems and the availability of consolidated official data, like CVE (Common Vulnerabilities and Exposures), allows for using them to compute the paths an attacker is likely to follow. However, even if patches are available, business constraints or lack of reso...
false
false
[ "Marco Angelini", "Graziano Blasilli", "Tiziana Catarci", "Simone Lenti", "Giuseppe Santucci" ]
[]
[]
[]
VAST
2,018
VUSphere: Visual Analysis of Video Utilization in Online Distance Education
10.1109/VAST.2018.8802383
Online Distance Education (ODE) provides massive course videos of various specialties for students across the country to learn professional knowledge anytime and anywhere. Analyzing the utilization of these videos from user log data can help academics better understand the learning process of students, evaluate the qua...
false
false
[ "Huan He", "Qinghua Zheng", "Bo Dong 0001" ]
[]
[]
[]
SciVis
2,018
A Declarative Grammar of Flexible Volume Visualization Pipelines
10.1109/TVCG.2018.2864841
This paper presents a declarative grammar for conveniently and effectively specifying advanced volume visualizations. Existing methods for creating volume visualizations either lack the flexibility to specify sophisticated visualizations or are difficult to use for those unfamiliar with volume rendering implementation ...
false
false
[ "Min Shih", "Charles Rozhon", "Kwan-Liu Ma" ]
[]
[]
[]
SciVis
2,018
A Study of the Trade-off Between Reducing Precision and Reducing Resolution for Data Analysis and Visualization
10.1109/TVCG.2018.2864853
There currently exist two dominant strategies to reduce data sizes in analysis and visualization: reducing the precision of the data, e.g., through quantization, or reducing its resolution, e.g., by subsampling. Both have advantages and disadvantages and both face fundamental limits at which the reduced information cea...
false
false
[ "Duong Hoang", "Pavol Klacansky", "Harsh Bhatia", "Peer-Timo Bremer", "Peter Lindstrom 0001", "Valerio Pascucci" ]
[]
[]
[]
SciVis
2,018
An Interactive Framework for Visualization of Weather Forecast Ensembles
10.1109/TVCG.2018.2864815
Numerical Weather Prediction (NWP) ensembles are commonly used to assess the uncertainty and confidence in weather forecasts. Spaghetti plots are conventional tools for meteorologists to directly examine the uncertainty exhibited by ensembles, where they simultaneously visualize isocontours of all ensemble members. To ...
false
false
[ "Bo Ma 0002", "Alireza Entezari" ]
[]
[]
[]
SciVis
2,018
CoDDA: A Flexible Copula-based Distribution Driven Analysis Framework for Large-Scale Multivariate Data
10.1109/TVCG.2018.2864801
CoDDA (Copula-based Distribution Driven Analysis) is a flexible framework for large-scale multivariate datasets. A common strategy to deal with large-scale scientific simulation data is to partition the simulation domain and create statistical data summaries. Instead of storing the high-resolution raw data from the sim...
false
false
[ "Subhashis Hazarika", "Soumya Dutta", "Han-Wei Shen", "Jen-Ping Chen" ]
[]
[]
[]
SciVis
2,018
CPU Isosurface Ray Tracing of Adaptive Mesh Refinement Data
10.1109/TVCG.2018.2864850
Adaptive mesh refinement (AMR) is a key technology for large-scale simulations that allows for adaptively changing the simulation mesh resolution, resulting in significant computational and storage savings. However, visualizing such AMR data poses a significant challenge due to the difficulties introduced by the hierar...
false
false
[ "Feng Wang 0013", "Ingo Wald", "Qi Wu 0015", "Will Usher 0001", "Christopher R. Johnson 0001" ]
[]
[]
[]
SciVis
2,018
Culling for Extreme-Scale Segmentation Volumes: A Hybrid Deterministic and Probabilistic Approach
10.1109/TVCG.2018.2864847
With the rapid increase in raw volume data sizes, such as terabyte-sized microscopy volumes, the corresponding segmentation label volumes have become extremely large as well. We focus on integer label data, whose efficient representation in memory, as well as fast random data access, pose an even greater challenge than...
false
false
[ "Johanna Beyer", "Haneen Mohammed", "Marco Agus", "Ali K. Al-Awami", "Hanspeter Pfister", "Markus Hadwiger" ]
[]
[]
[]
SciVis
2,018
Deadeye: A Novel Preattentive Visualization Technique Based on Dichoptic Presentation
10.1109/TVCG.2018.2864498
Preattentive visual features such as hue or flickering can effectively draw attention to an object of interest - for instance, an important feature in a scientific visualization. These features appear to pop out and can be recognized by our visual system, independently from the number of distractors. Most cues do not t...
false
false
[ "Andrey Krekhov", "Jens H. Krüger" ]
[ "BP" ]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/2101.07048v1", "icon": "paper" } ]
SciVis
2,018
Details-First, Show Context, Overview Last: Supporting Exploration of Viscous Fingers in Large-Scale Ensemble Simulations
10.1109/TVCG.2018.2864849
Visualization research often seeks designs that first establish an overview of the data, in accordance to the information seeking mantra: “Overview first, zoom and filter, then details on demand”. However, in computational fluid dynamics (CFD), as well as in other domains, there are many situations where such a spatial...
false
false
[ "Timothy Luciani", "Andrew Thomas Burks", "Cassiano Sugiyama", "Jonathan Komperda", "G. Elisabeta Marai" ]
[]
[]
[]
SciVis
2,018
DT-MRI Streamsurfaces Revisited
10.1109/TVCG.2018.2864845
DT-MRI streamsurfaces, defined as surfaces that are everywhere tangential to the major and medium eigenvector fields, have been proposed as a tool for visualizing regions of predominantly planar behavior in diffusion tensor MRI. Even though it has long been known that their construction assumes that the involved eigenv...
false
false
[ "Michael Ankele", "Thomas Schultz 0001" ]
[]
[]
[]
SciVis
2,018
Dynamic Volume Lines: Visual Comparison of 3D Volumes through Space-filling Curves
10.1109/TVCG.2018.2864510
The comparison of many members of an ensemble is difficult, tedious, and error-prone, which is aggravated by often just subtle differences. In this paper, we introduce Dynamic Volume Lines for the interactive visual analysis and comparison of sets of 3D volumes. Each volume is linearized along a Hilbert space-filling c...
false
false
[ "Johannes Weissenböck", "Bernhard Fröhler", "M. Eduard Gröller", "Johann Kastner", "Christoph Heinzl" ]
[]
[]
[]
SciVis
2,018
Exploring Time-Varying Multivariate Volume Data Using Matrix of Isosurface Similarity Maps
10.1109/TVCG.2018.2864808
We present a novel visual representation and interface named the matrix of isosurface similarity maps (MISM) for effective exploration of large time-varying multivariate volumetric data sets. MISM synthesizes three types of similarity maps (i.e., self, temporal, and variable similarity maps) to capture the essential re...
false
false
[ "Jun Tao 0002", "Martin Imre", "Chaoli Wang 0001", "Nitesh V. Chawla", "Hanqi Guo 0001", "Gokhan Sever", "Seung Hyun Kim" ]
[]
[]
[]
SciVis
2,018
Firefly: Virtual Illumination Drones for Interactive Visualization
10.1109/TVCG.2018.2864656
Light specification in three dimensional scenes is a complex problem and several approaches have been presented that aim to automate this process. However, there are many scenarios where a static light setup is insufficient, as the scene content and camera position may change. Simultaneous manual control over the camer...
false
false
[ "Sergej Stoppel", "Magnus Paulson Erga", "Stefan Bruckner" ]
[ "HM" ]
[]
[]
SciVis
2,018
Gaia Sky: Navigating the Gaia Catalog
10.1109/TVCG.2018.2864508
In this paper, we present Gaia Sky, a free and open-source multiplatform 3D Universe system, developed since 2014 in the Data Processing and Analysis Consortium framework of ESA's Gaia mission. Gaia's data release 2 represents the largest catalog of the stars of our Galaxy, comprising 1.3 billion star positions, with p...
false
false
[ "Antoni Sagristà", "Stefan Jordan", "Thomas Müller 0005", "Filip Sadlo" ]
[]
[]
[]
SciVis
2,018
Hexahedral Mesh Structure Visualization and Evaluation
10.1109/TVCG.2018.2864827
Understanding hexahedral (hex-) mesh structures is important for a number of hex-mesh generation and optimization tasks. However, due to various configurations of the singularities in a valid pure hex-mesh, the structure (or base complex) of the mesh can be arbitrarily complex. In this work, we present a first and effe...
false
false
[ "Kaoji Xu", "Guoning Chen" ]
[]
[]
[]
SciVis
2,018
Interactive 3D Visual Analysis of Atmospheric Fronts
10.1109/TVCG.2018.2864806
Atmospheric fronts play a central role in meteorology, as the boundaries between different air masses and as fundamental features of extra-tropical cyclones. They appear in numerous conceptual model depictions of extra-tropical weather systems. Conceptually, fronts are three-dimensional surfaces in space possessing an ...
false
false
[ "Michael Kern", "Tim Hewson", "Andreas Schäfler", "Rüdiger Westermann", "Marc Rautenhaus" ]
[]
[]
[]
SciVis
2,018
Interactive obstruction-free lensing for volumetric data visualization
10.1109/TVCG.2018.2864690
Occlusion is an issue in volumetric visualization as it prevents direct visualization of the region of interest. While many techniques such as transfer functions, volume segmentation or view distortion have been developed to address this, there is still room for improvement to better support the understanding of object...
false
false
[ "Michael Traoré", "Christophe Hurter", "Alexandru C. Telea" ]
[]
[]
[]
SciVis
2,018
Interactive Visualization of 3D Histopathology in Native Resolution
10.1109/TVCG.2018.2864816
We present a visualization application that enables effective interactive visual analysis of large-scale 3D histopathology, that is, high-resolution 3D microscopy data of human tissue. Clinical work flows and research based on pathology have, until now, largely been dominated by 2D imaging. As we will show in the paper...
false
false
[ "Martin Falk", "Anders Ynnerman", "Darren Treanor", "Claes Lundström" ]
[]
[]
[]
SciVis
2,018
Interactive Visualization of RNA and DNA Structures
10.1109/TVCG.2018.2864507
The analysis and visualization of nucleic acids (RNA and DNA) is playing an increasingly important role due to their fundamental importance for all forms of life and the growing number of known 3D structures of such molecules. The great complexity of these structures, in particular, those of RNA, demands interactive vi...
false
false
[ "Norbert Lindow", "Daniel Baum", "Morgan Leborgne", "Hans-Christian Hege" ]
[]
[]
[]
SciVis
2,018
Labels on Levels: Labeling of Multi-Scale Multi-Instance and Crowded 3D Biological Environments
10.1109/TVCG.2018.2864491
Labeling is intrinsically important for exploring and understanding complex environments and models in a variety of domains. We present a method for interactive labeling of crowded 3D scenes containing very many instances of objects spanning multiple scales in size. In contrast to previous labeling methods, we target c...
false
false
[ "David Kouril", "Ladislav Cmolík", "Barbora Kozlíková", "Hsiang-Yun Wu", "Graham Johnson", "David S. Goodsell", "Arthur J. Olson", "M. Eduard Gröller", "Ivan Viola" ]
[ "HM" ]
[]
[]
SciVis
2,018
Objective Vortex Corelines of Finite-sized Objects in Fluid Flows
10.1109/TVCG.2018.2864828
Vortices are one of the most-frequently studied phenomena in fluid flows. The center of the rotating motion is called the vortex coreline and its successful detection strongly depends on the choice of the reference frame. The optimal frame moves with the center of the vortex, which incidentally makes the observed fluid...
false
false
[ "Tobias Günther", "Holger Theisel" ]
[]
[]
[]
SciVis
2,018
Persistence Atlas for Critical Point Variability in Ensembles
10.1109/TVCG.2018.2864432
This paper presents a new approach for the visualization and analysis of the spatial variability of features of interest represented by critical points in ensemble data. Our framework, called Persistence Atlas, enables the visualization of the dominant spatial patterns of critical points, along with statistics regardin...
false
false
[ "Guillaume Favelier", "Noura Faraj", "Brian Summa", "Julien Tierny" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1807.11212v1", "icon": "paper" } ]
SciVis
2,018
Probabilistic Asymptotic Decider for Topological Ambiguity Resolution in Level-Set Extraction for Uncertain 2D Data
10.1109/TVCG.2018.2864505
We present a framework for the analysis of uncertainty in isocontour extraction. The marching squares (MS) algorithm for isocontour reconstruction generates a linear topology that is consistent with hyperbolic curves of a piecewise bilinear interpolation. The saddle points of the bilinear interpolant cause topological ...
false
false
[ "Tushar M. Athawale", "Christopher R. Johnson 0001" ]
[]
[]
[]
SciVis
2,018
Recirculation Surfaces for Flow Visualization
10.1109/TVCG.2018.2864813
We present a formal approach to the visual analysis of recirculation in flows by introducing recirculation surfaces for 3D unsteady flow fields. Recirculation surfaces are the loci where massless particle integration returns to its starting point after some variable, finite integration. We give a rigorous definition of...
false
false
[ "Thomas Wilde", "Christian Rössl", "Holger Theisel" ]
[]
[]
[]
SciVis
2,018
Robust and Fast Extraction of 3D Symmetric Tensor Field Topology
10.1109/TVCG.2018.2864768
3D symmetric tensor fields appear in many science and engineering fields, and topology-driven analysis is important in many of these application domains, such as solid mechanics and fluid dynamics. Degenerate curves and neutral surfaces are important topological features in 3D symmetric tensor fields. Existing methods ...
false
false
[ "Lawrence Roy", "Prashant Kumar", "Yue Zhang 0009", "Eugene Zhang" ]
[]
[]
[]
SciVis
2,018
Shared-Memory Parallel Computation of Morse-Smale Complexes with Improved Accuracy
10.1109/TVCG.2018.2864848
Topological techniques have proven to be a powerful tool in the analysis and visualization of large-scale scientific data. In particular, the Morse-Smale complex and its various components provide a rich framework for robust feature definition and computation. Consequently, there now exist a number of approaches to com...
false
false
[ "Attila Gyulassy", "Peer-Timo Bremer", "Valerio Pascucci" ]
[]
[]
[]
SciVis
2,018
Tensor Field Visualization using Fiber Surfaces of Invariant Space
10.1109/TVCG.2018.2864846
Scientific visualization developed successful methods for scalar and vector fields. For tensor fields, however, effective, interactive visualizations are still missing despite progress over the last decades. We present a general approach for the generation of separating surfaces in symmetric, second-order, three-dimens...
false
false
[ "Felix Raith", "Christian Blecha", "Thomas Nagel", "Francesco Parisio", "Olaf Kolditz", "Fabian Günther", "Markus Stommel", "Gerik Scheuermann" ]
[]
[]
[]
SciVis
2,018
Time-Dependent Flow seen through Approximate Observer Killing Fields
10.1109/TVCG.2018.2864839
Flow fields are usually visualized relative to a global observer, i.e., a single frame of reference. However, often no global frame can depict all flow features equally well. Likewise, objective criteria for detecting features such as vortices often use either a global reference frame, or compute a separate frame for e...
false
false
[ "Markus Hadwiger", "Matej Mlejnek", "Thomas Theußl", "Peter Rautek" ]
[]
[]
[]
SciVis
2,018
Visual Analysis of Aneurysm Data using Statistical Graphics
10.1109/TVCG.2018.2864509
This paper presents a framework to explore multi-field data of aneurysms occurring at intracranial and cardiac arteries by using statistical graphics. The rupture of an aneurysm is often a fatal scenario, whereas during treatment serious complications for the patient can occur. Whether an aneurysm ruptures or whether a...
false
false
[ "Monique Meuschke", "Tobias Günther", "Philipp Berg", "Ralph Wickenhöfer", "Bernhard Preim", "Kai Lawonn" ]
[]
[]
[]
SciVis
2,018
Visual Analysis of Spatia-temporal Relations of Pairwise Attributes in Unsteady Flow
10.1109/TVCG.2018.2864817
Despite significant advances in the analysis and visualization of unsteady flow, the interpretation of it's behavior still remains a challenge. In this work, we focus on the linear correlation and non-linear dependency of different physical attributes of unsteady flows to aid their study from a new perspective. Specifi...
false
false
[ "Marzieh Berenjkoub", "Rodolfo Ostilla Monico", "Robert S. Laramee", "Guoning Chen" ]
[]
[]
[]
SciVis
2,018
Visualization of Bubble Formation in Porous Media
10.1109/TVCG.2018.2864506
We present a visualization approach for the analysis of CO2bubble-induced attenuation in porous rock formations. As a basis for this, we introduce customized techniques to extract CO2bubbles and their surrounding porous structure from X-ray computed tomography data (XCT) measurements. To understand how the structure of...
false
false
[ "Hui Zhang 0027", "Steffen Frey", "Holger Steeb", "David Uribe", "Thomas Ertl", "Wenping Wang" ]
[]
[]
[]
SciVis
2,018
Visualization of Large Molecular Trajectories
10.1109/TVCG.2018.2864851
The analysis of protein-ligand interactions is a time-intensive task. Researchers have to analyze multiple physico-chemical properties of the protein at once and combine them to derive conclusions about the protein-ligand interplay. Typically, several charts are inspected, and 3D animations can be played side-by-side t...
false
false
[ "David Duran", "Pedro Hermosilla", "Timo Ropinski", "Barbora Kozlíková", "Àlvar Vinacua", "Pere-Pau Vázquez" ]
[]
[]
[]
SciVis
2,018
Visualization of Neuronal Structures in Wide-Field Microscopy Brain Images
10.1109/TVCG.2018.2864852
Wide-field microscopes are commonly used in neurobiology for experimental studies of brain samples. Available visualization tools are limited to electron, two-photon, and confocal microscopy datasets, and current volume rendering techniques do not yield effective results when used with wide-field data. We present a wor...
false
false
[ "Saeed Boorboor", "Shreeraj Jadhav", "Mala Ananth 0001", "David Talmage", "Lorna Role", "Arie E. Kaufman" ]
[]
[]
[]
InfoVis
2,018
A Declarative Rendering Model for Multiclass Density Maps
10.1109/TVCG.2018.2865141
Multiclass maps are scatterplots, multidimensional projections, or thematic geographic maps where data points have a categorical attribute in addition to two quantitative attributes. This categorical attribute is often rendered using shape or color, which does not scale when overplotting occurs. When the number of data...
false
false
[ "Jaemin Jo", "Frédéric Vernier", "Pierre Dragicevic", "Jean-Daniel Fekete" ]
[]
[]
[]
InfoVis
2,018
A Framework for Creative Visualization-Opportunities Workshops
10.1109/TVCG.2018.2865241
Applied visualization researchers often work closely with domain collaborators to explore new and useful applications of visualization. The early stages of collaborations are typically time consuming for all stakeholders as researchers piece together an understanding of domain challenges from disparate discussions and ...
false
false
[ "Ethan Kerzner", "Sarah Goodwin", "Jason Dykes", "Sara Jones 0001", "Miriah D. Meyer" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1808.02502v1", "icon": "paper" } ]
InfoVis
2,018
A Framework for Externalizing Implicit Error Using Visualization
10.1109/TVCG.2018.2864913
This paper presents a framework for externalizing and analyzing expert knowledge about discrepancies in data through the use of visualization. Grounded in an 18-month design study with global health experts, the framework formalizes the notion of data discrepancies as implicit error, both in global health data and more...
false
false
[ "Nina McCurdy", "Julie Gerdes", "Miriah D. Meyer" ]
[]
[]
[]
InfoVis
2,018
A Heuristic Approach to Value-Driven Evaluation of Visualizations
10.1109/TVCG.2018.2865146
Recently, an approach for determining the value of a visualization was proposed, one moving beyond simple measurements of task accuracy and speed. The value equation contains components for the time savings a visualization provides, the insights and insightful questions it spurs, the overall essence of the data it conv...
false
false
[ "Emily Wall", "Meeshu Agnihotri", "Laura E. Matzen", "Kristin Divis", "Michael J. Haass", "Alex Endert", "John T. Stasko" ]
[]
[]
[]
InfoVis
2,018
At a Glance: Pixel Approximate Entropy as a Measure of Line Chart Complexity
10.1109/TVCG.2018.2865264
When inspecting information visualizations under time critical settings, such as emergency response or monitoring the heart rate in a surgery room, the user only has a small amount of time to view the visualization “at a glance”. In these settings, it is important to provide a quantitative measure of the visualization ...
false
false
[ "Gabriel Ryan", "Abigail Mosca", "Remco Chang", "Eugene Wu 0002" ]
[]
[ "P" ]
[ { "name": "Paper Preprint", "url": "http://arxiv.org/pdf/1811.03180v1", "icon": "paper" } ]
InfoVis
2,018
Augmenting Visualizations with Interactive Data Facts to Facilitate Interpretation and Communication
10.1109/TVCG.2018.2865145
Recently, an increasing number of visualization systems have begun to incorporate natural language generation (NLG) capabilities into their interfaces. NLG-based visualization systems typically leverage a suite of statistical functions to automatically extract key facts about the underlying data and surface them as nat...
false
false
[ "Arjun Srinivasan", "Steven Mark Drucker", "Alex Endert", "John T. Stasko" ]
[]
[]
[]
InfoVis
2,018
Charticulator: Interactive Construction of Bespoke Chart Layouts
10.1109/TVCG.2018.2865158
We present Charticulator, an interactive authoring tool that enables the creation of bespoke and reusable chart layouts. Charticulator is our response to most existing chart construction interfaces that require authors to choose from predefined chart layouts, thereby precluding the construction of novel charts. In cont...
false
false
[ "Donghao Ren", "Bongshin Lee", "Matthew Brehmer" ]
[ "HM" ]
[]
[]