The smart floor: a mechanism for natural user identification and tracking
CHI '00 Extended Abstracts on Human Factors in Computing Systems
Memory cues for meeting video retrieval
Proceedings of the the 1st ACM workshop on Continuous archival and retrieval of personal experiences
From context to content: leveraging context to infer media metadata
Proceedings of the 12th annual ACM international conference on Multimedia
Ubiquitous Home: Real-Life Testbed for Home Context-Aware Service
TRIDENTCOM '05 Proceedings of the First International Conference on Testbeds and Research Infrastructures for the DEvelopment of NeTworks and COMmunities
Evaluation of video summarization for a large number of cameras in ubiquitous home
Proceedings of the 13th annual ACM international conference on Multimedia
The state of the art in image and video retrieval
CIVR'03 Proceedings of the 2nd international conference on Image and video retrieval
A comparison of score, rank and probability-based fusion methods for video shot retrieval
CIVR'05 Proceedings of the 4th international conference on Image and Video Retrieval
Person tracking and multicamera video retrieval using floor sensors in a ubiquitous environment
CIVR'05 Proceedings of the 4th international conference on Image and Video Retrieval
Audio-Assisted video browsing for DVD recorders
PCM'04 Proceedings of the 5th Pacific Rim Conference on Advances in Multimedia Information Processing - Volume Part II
Video scene retrieval with sign sequence matching based on audio features
PCM'04 Proceedings of the 5th Pacific Rim Conference on Advances in Multimedia Information Processing - Volume Part II
Interactive experience retrieval for a ubiquitous home
Proceedings of the 3rd ACM workshop on Continuous archival and retrival of personal experences
Smart home care network using sensor fusion and distributed vision-based reasoning
Proceedings of the 4th ACM international workshop on Video surveillance and sensor networks
Ubigraphy: a third-person viewpoint life log
CHI '08 Extended Abstracts on Human Factors in Computing Systems
Mixed reality participants in smart meeting rooms and smart home environments
Personal and Ubiquitous Computing
Ubiquitous supervisory system based on social contexts using ontology
Mobile Information Systems - Advances in Mobile Communications and Computing
Ubiquitous Computing for Capture and Access
Foundations and Trends in Human-Computer Interaction
A framework for the design of privacy preserving pervasive healthcare
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
A pervasive watch-over system based on device, user and social awareness
ICOST'07 Proceedings of the 5th international conference on Smart homes and health telematics
LifeView: a lifelog visualization tool for supporting sentimental recall and sharing
Proceedings of the 24th Australian Computer-Human Interaction Conference
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We present a system for retrieval and summarization of continuously archived multimedia data from a home-like ubiquitous environment. Data from pressure-based floor sensors are analyzed to index video and audio from a large number of sources. Video and audio handover are implemented to retrieve continuous video streams with sound as a person is moving in the environment. Key frame extraction is proposed and several algorithms are implemented to obtain compact summaries corresponding to the activity of each person. Clustering algorithms and image analysis are used to identify actions and events. The system consists of a graphical user interface that can be used to retrieve video summaries interactively using simple queries.