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- research-articleJuly 2024
SoundShift: Exploring Sound Manipulations for Accessible Mixed-Reality Awareness
DIS '24: Proceedings of the 2024 ACM Designing Interactive Systems ConferenceJuly 2024, Pages 116–132https://doi.org/10.1145/3643834.3661556Mixed-reality (MR) soundscapes blend real-world sound with virtual audio from hearing devices, presenting intricate auditory information that is hard to discern and differentiate. This is particularly challenging for blind or visually impaired ...
- demonstrationOctober 2023
A Framework for Dynamic Voltage Scaling of Image Sensors Towards Low Power IoT Vision
ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and NetworkingOctober 2023, Article No.: 100, Pages 1–3https://doi.org/10.1145/3570361.3614071Energy-efficient visual sensing is crucial for enabling battery-backed low power IoT and mobile applications. However, modern image sensors still exhibit high power consumption, primarily attributed to analog readout. This high power consumption ...
- research-articleOctober 2023
Squint: A Framework for Dynamic Voltage Scaling of Image Sensors Towards Low Power IoT Vision
ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and NetworkingOctober 2023, Article No.: 89, Pages 1–15https://doi.org/10.1145/3570361.3613303Energy-efficient visual sensing is of paramount importance to enable battery-backed low power IoT and mobile applications. Unfortunately, modern image sensors still consume hundreds of milliwatts of power, mainly due to analog readout. This is because ...
- ArticleSeptember 2023
Technology Enhanced Training in Medical Multi-User Scenarios
Responsive and Sustainable Educational FuturesSep 2023, Pages 680–685https://doi.org/10.1007/978-3-031-42682-7_61AbstractSimulation and training became a standard activity in several fields of education. These include also the medical sector. The training of complex procedures, or rarely occurring situations, helps to improve the performance of medical professionals ...
- ArticleJanuary 2024
Defending AirType Against Inference Attacks Using 3D In-Air Keyboard Layouts: Design and Evaluation
Information Security ApplicationsAug 2023, Pages 159–174https://doi.org/10.1007/978-981-99-8024-6_13AbstractAugmented reality (AR) interaction methods are leaning towards more natural techniques, such as voice commands, hand gestures, and in-air tapping for input. From a security perspective, however, recent works have demonstrated that these methods, ...
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- research-articleFebruary 2024
DREAM: A Dynamic Scheduler for Dynamic Real-time Multi-model ML Workloads
ASPLOS '23: Proceedings of the 28th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 4March 2023, Pages 73–86https://doi.org/10.1145/3623278.3624753Emerging real-time multi-model ML (RTMM) workloads such as AR/VR and drone control involve dynamic behaviors in various granularity; task, model, and layers within a model. Such dynamic behaviors introduce new challenges to the system software in an ML ...
- ArticleDecember 2022
The Research of Medical Metaverse Application Under the Background of the Normalization of the New Crown Epidemic
AbstractAt present, the traditional medical model is facing the prominent contradiction of the imbalance between supply and demand, and under the new background of the normalization of the new crown epidemic, the development of medical care is facing the ...
- ArticleDecember 2022
Exploring Classical Music Narratives Through Multimodality in AR/VR Experiences
AbstractAlthough Music is considered the field of emotions and moods, every composition has a structure: beginning, development, climax and conclusion. In classical music, there are many genres, but each piece always tells a story. Even more, most ...
- research-articleJanuary 2023
HoloSet - A Dataset for Visual-Inertial Pose Estimation in Extended Reality: Dataset
SenSys '22: Proceedings of the 20th ACM Conference on Embedded Networked Sensor SystemsNovember 2022, Pages 1014–1019https://doi.org/10.1145/3560905.3567763There is a lack of datasets for visual-inertial odometry applications in Extended Reality (XR). To the best of our knowledge, there is no dataset available that is captured from an XR headset with a human as a carrier. To bridge this gap, we present a ...
- research-articleOctober 2022
PassWalk: Spatial Authentication Leveraging Lateral Shift and Gaze on Mobile Headsets
- Abhishek Kumar,
- Lik-Hang Lee,
- Jagmohan Chauhan,
- Xiang Su,
- Mohammad A. Hoque,
- Susanna Pirttikangas,
- Sasu Tarkoma,
- Pan Hui
MM '22: Proceedings of the 30th ACM International Conference on MultimediaOctober 2022, Pages 952–960https://doi.org/10.1145/3503161.3548252Secure and usable user authentication on mobile headsets is a challenging problem. The miniature-sized touchpad on such devices becomes a hurdle to user interactions that impact usability. However, the most common authentication methods, i.e., the ...
- research-articleApril 2022
Lattice Menu: A Low-Error Gaze-Based Marking Menu Utilizing Target-Assisted Gaze Gestures on a Lattice of Visual Anchors
CHI '22: Proceedings of the 2022 CHI Conference on Human Factors in Computing SystemsApril 2022, Article No.: 277, Pages 1–12https://doi.org/10.1145/3491102.3501977We present Lattice Menu, a gaze-based marking menu utilizing a lattice of visual anchors that helps perform accurate gaze pointing for menu item selection. Users who know the location of the desired item can leverage target-assisted gaze gestures for ...
- research-articleApril 2022Honorable Mention
Hand Interfaces: Using Hands to Imitate Objects in AR/VR for Expressive Interactions
CHI '22: Proceedings of the 2022 CHI Conference on Human Factors in Computing SystemsApril 2022, Article No.: 429, Pages 1–16https://doi.org/10.1145/3491102.3501898Augmented reality (AR) and virtual reality (VR) technologies create exciting new opportunities for people to interact with computing resources and information. Less exciting is the need for holding hand controllers, which limits applications that demand ...
- research-articleJuly 2021
Mid-Air Drawing of Curves on 3D Surfaces in Virtual Reality
ACM Transactions on Graphics (TOG), Volume 40, Issue 3Article No.: 33, Pages 1–17https://doi.org/10.1145/3459090Complex 3D curves can be created by directly drawing mid-air in immersive environments (Augmented and Virtual Realities). Drawing mid-air strokes precisely on the surface of a 3D virtual object, however, is difficult, necessitating a projection of the mid-...
- short-paperMay 2021
Semi-Supervised Learning for Eye Image Segmentation
ETRA '21 Short Papers: ACM Symposium on Eye Tracking Research and ApplicationsMay 2021, Article No.: 8, Pages 1–7https://doi.org/10.1145/3448018.3458009Recent advances in appearance-based models have shown improved eye tracking performance in difficult scenarios like occlusion due to eyelashes, eyelids or camera placement, and environmental reflections on the cornea and glasses. The key reason for the ...
- posterMay 2021
Nod to Auth: Fluent AR/VR Authentication with User Head-Neck Modeling
CHI EA '21: Extended Abstracts of the 2021 CHI Conference on Human Factors in Computing SystemsMay 2021, Article No.: 452, Pages 1–7https://doi.org/10.1145/3411763.3451769With AR/VR devices becoming increasingly common around us, their user authentication has posed a critical challenge. While typing passwords is straightforward with a keyboard, it has been cumbersome with conventional AR/VR input techniques such as in-...
- research-articleMay 2021
Current Practices, Challenges, and Design Implications for Collaborative AR/VR Application Development
CHI '21: Proceedings of the 2021 CHI Conference on Human Factors in Computing SystemsMay 2021, Article No.: 454, Pages 1–15https://doi.org/10.1145/3411764.3445335Augmented/Virtual Reality (AR/VR) is still a fragmented space to design for due to the rapidly evolving hardware, the interdisciplinarity of teams, and a lack of standards and best practices. We interviewed 26 professional AR/VR designers and ...
- research-articleMay 2021
StickyPie: A Gaze-Based, Scale-Invariant Marking Menu Optimized for AR/VR
CHI '21: Proceedings of the 2021 CHI Conference on Human Factors in Computing SystemsMay 2021, Article No.: 739, Pages 1–16https://doi.org/10.1145/3411764.3445297This work explores the design of marking menus for gaze-based AR/VR menu selection by expert and novice users. It first identifies and explains the challenges inherent in ocular motor control and current eye tracking hardware, including overshooting, ...
- research-articleFebruary 2021
Earable Computing: A New Area to Think About
HotMobile '21: Proceedings of the 22nd International Workshop on Mobile Computing Systems and ApplicationsFebruary 2021, Pages 147–153https://doi.org/10.1145/3446382.3450216This position paper argues that earphones hold the potential for major disruptions in mobile, wearable computing. The early signs are positive and the industrial wheels are in motion. However, whether earphones truly become a disruptive new platform, or ...
- abstractNovember 2020
Viewing Style of Augmented Reality/Virtual Reality Broadcast Contents while Sharing a Virtual Experience
VRST '20: Proceedings of the 26th ACM Symposium on Virtual Reality Software and TechnologyNovember 2020, Article No.: 76, Pages 1–3https://doi.org/10.1145/3385956.3422110A conceptual space-sharing broadcasting service has been proposed, using augmented reality/virtual reality (AR/VR) with a head-mounted display. As proposed, virtual performers are displayed in their real-life sizes; the user experiences proximity to ...
- abstractApril 2020
Verge-it: Gaze Interaction for a Binocular Head-Worn Display using Modulated Disparity Vergence Eye Movement
CHI EA '20: Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing SystemsApril 2020, Pages 1–7https://doi.org/10.1145/3334480.3382908The Midas touch problem is a well-known problem in eye gaze interaction techniques. We present Verge-it as a Midas touch free input technique using modulated disparity vergence eye movement for a binocular head-worn display. We conducted a feasibility ...