Context-aware human activity recognition in industrial processes

Niemann, Friedrich ; Lüdtke, Stefan ; Bartelt, Christian ; Ten Hompel, Michael

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URN: urn:nbn:de:bsz:180-madoc-611456
Document Type: Article
Year of publication: 2022
The title of a journal, publication series: Sensors
Volume: 22
Issue number: 1, Article 134
Page range: 1-14
Place of publication: Basel
Publishing house: MDPI
ISSN: 1424-8220
Related URLs:
Publication language: English
Institution: Außerfakultäre Einrichtungen > Institut für Enterprise Systems (InES)
Pre-existing license: Creative Commons Attribution 4.0 International (CC BY 4.0)
Subject: 004 Computer science, internet
Abstract: The automatic, sensor-based assessment of human activities is highly relevant for production and logistics, to optimise the economics and ergonomics of these processes. One challenge for accurate activity recognition in these domains is the context-dependence of activities: Similar movements can correspond to different activities, depending on, e.g., the object handled or the location of the subject. In this paper, we propose to explicitly make use of such context information in an activity recognition model. Our first contribution is a publicly available, semantically annotated motion capturing dataset of subjects performing order picking and packaging activities, where context information is recorded explicitly. The second contribution is an activity recognition model that integrates movement data and context information. We empirically show that by using context information, activity recognition performance increases substantially. Additionally, we analyse which of the pieces of context information is most relevant for activity recognition. The insights provided by this paper can help others to design appropriate sensor set-ups in real warehouses for time management.
Additional information: Online-Ressource

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