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- research-articleSeptember 2023
ViGather: Inclusive Virtual Conferencing with a Joint Experience Across Traditional Screen Devices and Mixed Reality Headsets
Proceedings of the ACM on Human-Computer Interaction (PACMHCI), Volume 7, Issue MHCIArticle No.: 232, Pages 1–27https://doi.org/10.1145/3604279Teleconferencing is poised to become one of the most frequent use cases of immersive platforms, since it supports high levels of presence and embodiment in collaborative settings. On desktop and mobile platforms, teleconferencing solutions are already ...
- research-articleApril 2023
Spatialized Audio and Hybrid Video Conferencing: Where Should Voices be Positioned for People in the Room and Remote Headset Users?
- Jeremy Hyrkas,
- Andrew D Wilson,
- John Tang,
- Hannes Gamper,
- Hong Sodoma,
- Lev Tankelevitch,
- Kori Inkpen,
- Shreya Chappidi,
- Brennan Jones
CHI '23: Proceedings of the 2023 CHI Conference on Human Factors in Computing SystemsArticle No.: 794, Pages 1–14https://doi.org/10.1145/3544548.3581085Hybrid video calls include attendees in a conference room with loudspeakers and remote attendees using headsets, each with different options for rendering sound spatially. Two studies explored the listener experience with spatial audio in video calls. ...
- research-articleApril 2023
I See What You're Hearing: Facilitating The Effect of Environment on Perceived Emotion While Teleconferencing
Proceedings of the ACM on Human-Computer Interaction (PACMHCI), Volume 7, Issue CSCW1Article No.: 62, Pages 1–15https://doi.org/10.1145/3579495Our perception of emotion is highly contextual. Changes in the environment can affect our narrative framing, and thus augment our emotional perception of interlocutors. User environments are typically heavily suppressed due to the technical limitations ...
- research-articleAugust 2022
GSO-simulcast: global stream orchestration in simulcast video conferencing systems
- Xianshang Lin,
- Yunfei Ma,
- Junshao Zhang,
- Yao Cui,
- Jing Li,
- Shi Bai,
- Ziyue Zhang,
- Dennis Cai,
- Hongqiang Harry Liu,
- Ming Zhang
SIGCOMM '22: Proceedings of the ACM SIGCOMM 2022 ConferencePages 826–839https://doi.org/10.1145/3544216.3544228We present GSO-Simulcast, a new architecture designed for large-scale multi-party video-conferencing systems. GSO-Simulcast is currently deployed at full-scale in Alibaba's Dingtalk video conferencing that serves more than 500 million users. It marks a ...
- abstractNovember 2020
Evaluation of Headset-based Viewing and Desktop-based Viewing of Remote Lectures in a Social VR Platform
VRST '20: Proceedings of the 26th ACM Symposium on Virtual Reality Software and TechnologyArticle No.: 53, Pages 1–3https://doi.org/10.1145/3385956.3422124We study experiences of students attending classes remotely from home using a social VR platform, considering both desktop-based and headset-based viewing of remote lectures. Ratings varied widely. Headset viewing produced higher presence overall. ...
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- research-articleSeptember 2020
Gaming for Meaningful Interactions in Teleworking Lessons Learned during the COVID-19 Pandemic from Integrating Gaming in Virtual Meetings
Digital Government: Research and Practice (DGOV), Volume 1, Issue 4Article No.: 31, Pages 1–5https://doi.org/10.1145/3416308The recent need for social-distancing caused by COVID-19 resulted in working remotely, which can cause loneliness and disconnect from the organization. The pandemic stimulated people to look for novel ways to interact and, at the same time, socialize ...
- abstractApril 2020
Low Engagement As a Deliberate Practice of Remote Participants in Video Meetings
CHI EA '20: Extended Abstracts of the 2020 CHI Conference on Human Factors in Computing SystemsPages 1–9https://doi.org/10.1145/3334480.3383080Many employees who join work video meetings remotely are frustrated by technological constraints on their engagement. While we should seek to deepen engagement for those who want it, in this paper we explore how low engagement by remote employees in ...
- short-paperSeptember 2019
Towards Collaborative Photorealistic VR Meeting Rooms
MuC '19: Proceedings of Mensch und Computer 2019Pages 599–603https://doi.org/10.1145/3340764.3344466When designing 3D applications it is necessary to find a compromise between cost (e.g. money, time) and achievable realism of the virtual environment. Reusing existing assets has an impact on the uniqueness of the application and creating high quality 3D ...
- abstractNovember 2017
A gaze-preserving group video conference system using screen-embedded cameras
VRST '17: Proceedings of the 23rd ACM Symposium on Virtual Reality Software and TechnologyArticle No.: 82, Pages 1–2https://doi.org/10.1145/3139131.3141775In this paper, we propose a system that presents correct gaze directions of each user in a group-to-group video conference. It is known that gaze direction plays a significant role in face-to-face communication. However, in ordinary video conference ...
- research-articleSeptember 2016
Bringing mobile into meetings: enhancing distributed meeting participation on smartwatches and mobile phones
MobileHCI '16: Proceedings of the 18th International Conference on Human-Computer Interaction with Mobile Devices and ServicesPages 407–417https://doi.org/10.1145/2935334.2935355Most teleconferencing tools treat users in distributed meetings monolithically: all participants are meant to be interconnected in more-or-less the same manner. In practice, people connect to meetings in different contexts, sometimes sitting in front of ...
- research-articleNovember 2015
Comparative performance analysis of subcarrier assignment for real‐time video traffic
IET Networks (NTW2), Volume 4, Issue 6Pages 304–313https://doi.org/10.1049/iet-net.2015.0002The ability to transmit video and carry real‐time multimedia applications such as video‐streaming, video conferencing and mobile TV are considered important to support the viability and survivability of next generation mobile wireless networks. High peak ...
- demonstrationOctober 2015
Searching and Browsing Live, Web-based Meetings
MM '15: Proceedings of the 23rd ACM international conference on MultimediaPages 791–792https://doi.org/10.1145/2733373.2807964Establishing common ground is one of the key problems for any form of communication. The problem is particularly pronounced in remote meetings, in which participants can easily lose track of the details of dialogue for any number of reasons. In this ...
- research-articleSeptember 2015
NDN-RTC: Real-Time Videoconferencing over Named Data Networking
ACM-ICN '15: Proceedings of the 2nd ACM Conference on Information-Centric NetworkingPages 117–126https://doi.org/10.1145/2810156.2810176NDN-RTC is a videoconferencing library that employs Named Data Networking (NDN), a proposed future Internet architecture. It was designed to provide a platform for experimental research in low-latency, real-time multimedia communication over NDN. It ...
- articleAugust 2015
Appearance, motion, and embodiment: unpacking avatars by fine-grained communication analysis
Concurrency and Computation: Practice & Experience (CCOMP), Volume 27, Issue 11Pages 2706–2724https://doi.org/10.1002/cpe.3442Thanks to the maturity of motion tracking technologies, it became easy and inexpensive to use avatars that reflect the user's facial and body motions in real time. There is a possibility that those real-time avatars can serve as a substitute for videos ...
- research-articleOctober 2014
3D-board: a whole-body remote collaborative whiteboard
UIST '14: Proceedings of the 27th annual ACM symposium on User interface software and technologyPages 471–479https://doi.org/10.1145/2642918.2647393This paper presents 3D-Board, a digital whiteboard capable of capturing life-sized virtual embodiments of geographically distributed users. When using large-scale screens for remote collaboration, awareness for the distributed users' gestures and ...
- research-articleJuly 2014
Toward single pilot operations: the impact of the loss of non-verbal communication on the flight deck
HCI-Aero '14: Proceedings of the International Conference on Human-Computer Interaction in AerospaceArticle No.: 29, Pages 1–8https://doi.org/10.1145/2669592.2669695Since the 1950s, the crew required to fly transport category aircraft has been reduced from five to two. NASA is currently exploring the feasibility of a further reduction to one pilot. In this study we examine the effects of separating the pilots on ...
- research-articleNovember 2013
Telepresence robots for academics
ASIST '13: Proceedings of the 76th ASIS&T Annual Meeting: Beyond the Cloud: Rethinking Information BoundariesArticle No.: 97, Pages 1–4Telepresence robotics is a sophisticated form of robotic remote control in which a human operator has a sense of being on location -- that is, of being telepresent. I propose a demonstration of two telepresence robots, one floor model (VGo) and one ...
- research-articleOctober 2013
Mixed local and remote participation in teleconferences from a deaf and hard of hearing perspective
ASSETS '13: Proceedings of the 15th International ACM SIGACCESS Conference on Computers and AccessibilityArticle No.: 30, Pages 1–5https://doi.org/10.1145/2513383.2517035In this experience report we describe the accessibility challenges that deaf and hard of hearing committee members faced while collaborating with a larger group of hearing committee members over a period of 2½ years. We explain what some recurring ...
- research-articleApril 2013
Panoinserts: mobile spatial teleconferencing
CHI '13: Proceedings of the SIGCHI Conference on Human Factors in Computing SystemsPages 1319–1328https://doi.org/10.1145/2470654.2466173We present PanoInserts: a novel teleconferencing system that uses smartphone cameras to create a surround representation of meeting places. We take a static panoramic image of a location into which we insert live videos from smartphones. We use a ...
- research-articleDecember 2012
Reducing bandwidth consumption in parallel networked telepresence environments
VRCAI '12: Proceedings of the 11th ACM SIGGRAPH International Conference on Virtual-Reality Continuum and its Applications in IndustryPages 247–254https://doi.org/10.1145/2407516.2407576Systems for multi-camera telepresence utilizing Large High-Resolution Displays (LHRDs) face the problem of generating large amounts of dynamic data. These data have to be processed at the local capture site, aggregated from different nodes locally, ...