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Temporal Logic Bounded Model-Checking for Recognition of Activities of Daily Living

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Academic year: 2021

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Temporal Logic Bounded Model-Checking for Recognition of

Activities of Daily Living

T. Magherini, G. Parente, C.D. Nugent, Member, IEEE, M.P. Donnelly, E. Vicario, Member, IEEE, F. Cruciani, C. Paggetti, Member, IEEE

Abstract— Recognition and monitoring of activities of daily living is a key challenge in the

construction of Smart Living environments aimed at supporting independence of elderly or disabled people. In this challenge, there is an opportunity for formal methods to play a crucial role in filling the gap between low-level measurements acquired by monitoring systems and high-level concepts that are required for the purposes of decision-support. In this work we propose the application of Temporal Logic and Bounded Model Checking as a way to capture patterns of sequenced activities and recognize them in a stream of observed low-level actions. This approach effectively accommodates for the problems of non-deterministic sequencing and interleaved activities. Results of the implementation and lab-experimentation of the proposed system are presented with reference to the case study within a smart kitchen equipped with stereoscopic camera devices.

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