Voice activity detection from gaze in video mediated communication
Proceedings of the Symposium on Eye Tracking Research and Applications
Improving video-mediated communication with orchestration
Computers in Human Behavior
Enabling 'togetherness' in high-quality domestic video
Proceedings of the 20th ACM international conference on Multimedia
Video telephony for end-consumers: measurement study of Google+, iChat, and Skype
Proceedings of the 2012 ACM conference on Internet measurement conference
Ambulant: a multimedia playback platform
ACM SIGMultimedia Records
ACM TOMCCAP Nicolas D. Georganas best paper award
ACM SIGMultimedia Records
User-centric video delay measurements
Proceeding of the 23rd ACM Workshop on Network and Operating Systems Support for Digital Audio and Video
Orchestration: tv-like mixing grammars applied to video-communication for social groups
Proceedings of the 21st ACM international conference on Multimedia
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This paper describes a videoconferencing system that meets performance constraints and functional requirements for use in consumer homes. Our system improves existing home technologies (such as video chat) by providing high-quality audiovisual communication, efficient encoding mechanisms, and low end-to-end delay. Moreover, the system includes a control interface that is capable of dynamically manipulating and compositing audiovisual content streams. This innovative architectural component is required for a domestic setting, where the television acts as the main screen and multiple people gather around it. Apart from the requirements and architecture, this paper analyses the performance of our system. The results validate our architectural decisions and provide a valuable input for further research in domestic videoconferencing.