Maintaining knowledge about temporal intervals
Communications of the ACM
How smart are our environments? An updated look at the state of the art
Pervasive and Mobile Computing
Design and assessment of an intelligent activity monitoring platform
EURASIP Journal on Applied Signal Processing
Common sense based joint training of human activity recognizers
IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
Automatic video interpretation: a novel algorithm for temporal scenario recognition
IJCAI'03 Proceedings of the 18th international joint conference on Artificial intelligence
Multimodal situational awareness for eldercare
ICOST'10 Proceedings of the Aging friendly technology for health and independence, and 8th international conference on Smart homes and health telematics
Unsupervised discovery, modeling, and analysis of long term activities
ICVS'11 Proceedings of the 8th international conference on Computer vision systems
A cognitive vision system for nuclear fusion device monitoring
ICVS'11 Proceedings of the 8th international conference on Computer vision systems
Journal of Ambient Intelligence and Smart Environments
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In this paper we propose a new multisensor based activity recognition approach which uses video cameras and environmental sensors in order to recognize interesting elderly activities at home. This approach aims to provide accuracy and robustness to the activity recognition system. In the proposed approach, we choose to perform fusion at the high-level (event level) by combining video events with environmental events. To measure the accuracy of the proposed approach, we have tested a set of human activities in an experimental laboratory. The experiment consists of a scenario of daily activities performed by fourteen volunteers (aged from 60 to 85 years). Each volunteer has been observed during 4 hours and 14 video scenes have been acquired by 4 video cameras (about ten frames per second). The fourteen volunteers were asked to perform a set of household activities, such as preparing a meal, taking a meal, washing dishes, cleaning the kitchen, and watching TV. Each volunteer was alone in the laboratory during the experiment.