2 citations · 4 across the 17 of their papers we have counts for
19 papers · 1 filter
Smelling the Way: Olfactory Modulation of Spatial Estimation and Path Integration in Virtual Reality
Siyeon Bak, Junho Kim, Dongyun Han +2
Spatial cognition enables individuals to perceive and interpret spatial relationships, estimate locations, and navigate within their surroundings. While vision plays a dominant rol…
Exploring the Effects of Olfactory Cues and Ventilation on Teleportation-based Navigation in VR
Dongyun Han, Heecheol Kim, Siyeon Bak +3
Spatial cognition supports how people interpret spatial relationships and navigate their surroundings. Although vision plays a dominant role, other sensory modalities, including ol…
Beyond the Portal: Enhancing Recognition in Virtual Reality Through Multisensory Cues
Siyeon Bak, Dongyun Han, Inho Jo +2
While Virtual Reality (VR) systems have become increasingly immersive, they still rely predominantly on visual input, which can constrain perceptual performance when visual informa…
What if Virtual Agents Had Scents? Users' Judgments of Virtual Agent Personality and Appeals in Encounters
Dongyun Han, Siyeon Bak, So-Hui Kim +3
Incorporating multi-sensory cues into Virtual Reality (VR) can significantly enhance user experiences, mirroring the multi-sensory interactions we encounter in the real-world. Olfa…
Perception of Visual Variables on Virtual Wall-Sized Tiled Displays in Immersive Environments
Dongyun Han, Anastasia Bezerianos, Petra Isenberg +1
We investigate the perception of visual variables on wall-sized tiled displays within an immersive environment. We designed and conducted two formal user studies focusing on elemen…
Evaluating Effectiveness of Interactivity in Contour-based Geospatial Visualizations
Abdullah-Al-Raihan Nayeem, Dongyun Han, William J. Tolone +1
Contour maps are an essential tool for exploring spatial features of the terrain, such as distance, directions, and surface gradient among the contour areas. User interactions in c…
Crossing Rays: Evaluation of Bimanual Mid-air Selection Techniques in an Immersive Environment
DongHoon Kim, Dongyun Han, Siyeon Bak +1
Mid-air navigation offers a method of aerial travel that mitigates the constraints associated with continuous navigation. A mid-air selection technique is essential to enable such…
A Survey on Exploratory Spatiotemporal Visual Analytics Approaches for Climate Science
Abdullah-Al-Raihan Nayeem, Dongyun Han, Huikyo Lee +5
Climate science produces a wealth of complex, high-dimensional, multivariate data from observations and numerical models. These data are critical for understanding climate changes…
A Survey on Visualization Approaches in Political Science for Social and Political Factors: Progress to Date and Future Opportunities
Dongyun Han, Abdullah-Al-Raihan Nayeem, Jason Windett +3
Politics is the set of activities related to strategic decision-making in groups. Political scientists study the strategic interactions between states, institutions, politicians, a…
Comparative Analysis of Change Blindness in Virtual Reality and Augmented Reality Environments
DongHoon Kim, Dongyun Han, Isaac Cho
Change blindness is a phenomenon where an individual fails to notice alterations in a visual scene when a change occurs during a brief interruption or distraction. Understanding th…
Evaluating 3D User Interaction Techniques on Spatial Working Memory for 3D Scatter Plot Exploration in Immersive Analytics
Dongyun Han, Isaac Cho
This work evaluates three 3D user interaction techniques to investigate their visuo-spatial working memory support for users' data exploration in immersive analytics. Two technique…
Investigating Psychological Ownership in a Shared AR Space: Effects of Human and Object Reality and Object Controllability
Dongyun Han, Donghoon Kim, Kangsoo Kim +1
Augmented reality (AR) provides users with a unique social space where virtual objects are natural parts of the real world. The users can interact with 3D virtual objects and virtu…
Exploring the Effects of VR Activities on Stress Relief: A Comparison of Sitting-in-Silence, VR Meditation, and VR Smash Room
Dongyun Han, Donghoon Kim, Kangsoo Kim +1
In our lives, we encounter various stressors that may cause negative mental and bodily reactions to make us feel frustrated, angry, or irritated. Effective methods to manage or red…
PDViz: a Visual Analytics Approach for State Policy Data
Dongyun Han, Abdullah-Al-Raihan Nayeem, Jason Windett +1
Sub-national governments across the United States implement a variety of policies to address large societal problems and needs. Many policies are picked up or adopted in other stat…
DCPViz: A Visual Analytics Approach for Downscaled Climate Projections
Abdullah-Al-Raihan Nayeem, Huikyo Lee, Dongyun Han +5
This paper introduces a novel visual analytics approach, DCPViz, to enable climate scientists to explore massive climate data interactively without requiring the upfront movement o…
Learning on Health Fairness and Environmental Justice via Interactive Visualization
Abdullah-Al-Raihan Nayeem, Ignacio Segovia-Dominguez, Huikyo Lee +5
This paper introduces an interactive visualization interface with a machine learning consensus analysis that enables the researchers to explore the impact of atmospheric and socioe…
PORTAL: Portal Widget for Remote Target Acquisition and Control in Immersive Virtual Environments
Dongyun Han, Donghoon Kim, Isaac Cho
This paper introduces PORTAL (POrtal widget for Remote Target Acquisition and controL) that allows the user to interact with out-of-reach objects in a virtual environment. We descr…
HisVA: A Visual Analytics System for Studying History
Dongyun Han, Gorakh Parsad, Hwiyeon Kim +6
Studying history involves many difficult tasks. Examples include searching for proper data in a large event space, understanding stories of historical events by time and space, and…
GUIComp: A GUI Design Assistant with Real-Time, Multi-Faceted Feedback
Chunggi Lee, Sanghoon Kim, Dongyun Han +4
Users may face challenges while designing graphical user interfaces, due to a lack of relevant experience and guidance. This paper aims to investigate the issues that users with no…