Reasoning about Uncertain Contexts in Pervasive Computing Environments
IEEE Pervasive Computing
Inferring Activities from Interactions with Objects
IEEE Pervasive Computing
ICPR '06 Proceedings of the 18th International Conference on Pattern Recognition - Volume 03
Context-Aware Pervasive Systems
Context-Aware Pervasive Systems
Evidential fusion of sensor data for activity recognition in smart homes
Pervasive and Mobile Computing
homeML: an open standard for the exchange of data within smart environments
ICOST'07 Proceedings of the 5th international conference on Smart homes and health telematics
Simultaneous tracking and activity recognition (STAR) using many anonymous, binary sensors
PERVASIVE'05 Proceedings of the Third international conference on Pervasive Computing
Implementing evidential activity recognition in sensorised homes
Technology and Health Care
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Smart Homes offer improved living conditions and levels of independence for the elderly population who require support with both physical and cognitive functions. Within these environments sensing technologies provide a key facility to monitor the behaviour of the person and their interactions with the living environment. In this paper we investigate the effects of sensor failures on the 'trust' of activity inference processing. We introduce a sensor evidence reasoning network which has been developed for ADL recognition along with the ability of handling uncertainty that may occur at a sensor level. Details of the initial experiments which have been conducted in the assessment of ADLs in a smart laboratory environment using this model are presented. Finally, we present the findings from the analysis on experimental and simulation data taking into consideration the impact of sensor failure on the overall stage of inference processing.