Auejin Ham

ORCID: 0000-0003-3145-5991
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About
Contact & Profiles
Research Areas
  • Interactive and Immersive Displays
  • Tactile and Sensory Interactions
  • Digital Games and Media
  • AI in Service Interactions
  • Augmented Reality Applications
  • Advancements in PLL and VCO Technologies
  • Gaze Tracking and Assistive Technology
  • Digital Communication and Language
  • Privacy, Security, and Data Protection
  • Innovative Human-Technology Interaction
  • Language, Metaphor, and Cognition
  • Embedded Systems Design Techniques
  • Artificial Intelligence in Games
  • Martial Arts: Techniques, Psychology, and Education
  • Virtual Reality Applications and Impacts

Korea Advanced Institute of Science and Technology
2021-2023

Daegu Gyeongbuk Institute of Science and Technology
2020-2021

In first-person shooters (FPS), professional players (a.k.a., Gosu) outperform amateur players. The secrets behind the performance of FPS have been debated in online communities with many conjectures; however, attempts scientific verification limited. We addressed this conundrum through a data-collection study gameplay eight and commercial Counter-Strike: Global Offensive. collected data cover behavioral from six sensors (motion capture, eye tracker, mouse, keyboard, electromyography...

10.1145/3411764.3445217 article EN 2021-05-06

Virtual Reality (VR) has potential vulnerabilities in privacy risks from collecting a wide range of data with higher density. Various designs to provide information on Privacy Policy (PP) have improved the awareness and motivation towards risks. However, most them focused desktop environments, not utilizing full VR's immersive interactivity. Therefore, we proposed role-playing mechanism an experience interacting PP's key entities. First, our formative study found insights for PP where VR...

10.1145/3491101.3519773 article EN CHI Conference on Human Factors in Computing Systems Extended Abstracts 2022-04-27

We present Lattice Menu, a gaze-based marking menu utilizing lattice of visual anchors that helps perform accurate gaze pointing for item selection. Users who know the location desired can leverage target-assisted gestures multilevel selection by looking at over trajectories. Our evaluation showed Menu exhibits considerably low error rate (~1%) and quick time (1.3-1.6 s) expert usage across various structures (4 × 4 6 6) sizes (8, 10 12°). In comparison with traditional does not utilize...

10.1145/3491102.3501977 article EN CHI Conference on Human Factors in Computing Systems 2022-04-28

Use of chatbots for emotional exchange is recently increasing in various domains. However, as existing have been considered terms natural language processing techniques interaction with text-based chatting, chatbot users lacking considering the emotions and managing turn-taking conversation. This paper suggests an technique having touch interactions graphic interfaces (TwG) to solve these problems. In system, send their manage through TwG technique. We conducted a Wizard Oz study evaluate...

10.1145/3405755.3406147 article EN 2020-07-13

In gaming, accurately rendering input signals on a display is crucial, both spatially and temporally. However, the asynchronicity between output signal frequencies results in unstable responses called jitter. A recent research modeled this jitter mathematically [2]; however, effect of human performance unknown. study, we investigated empirical asynchronicity-induced using state-of-the-art high-performance mouse monitor device. first part, perceptual user experience under different levels was...

10.1145/3472749.3474783 article EN 2021-10-10

Mobile augmented reality (AR) applications have become essential tools for delivering additional information to museum visitors. However, interacting through a mobile screen can potentially distract visitors from the exhibits. We propose WonderScope which is peripheral system devices that enables practical near-surface AR interaction. Using single small RFID tag on exhibit as origin, detect position and orientation of device surface exhibit. It performs various surfaces different materials...

10.1145/3532721.3535564 article EN 2022-07-25

The mouse wheel may induce physical fatigue by requiring users to clutch the repeatedly when scrolling long distances. To address this problem, some products provide a free-spinning mode in which can spin initiate inertial scrolling. However, time and effort required toggle lower usability of wheel. enable without overhead switching, we present TouchWheel, with touch sensitivity virtual model that enables perform flick-and-stop operations as they do on touchscreens. A user experiment...

10.1080/10447318.2023.2190259 article EN International Journal of Human-Computer Interaction 2023-03-20
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