@inproceedings{3e302e85a1c241ee9f3f290915b6fa8a,
title = "Towards Segmentation and Labelling of Motion Data in Manufacturing Scenarios",
abstract = "There is a significant interest to evaluate the occupational exposure that manufacturing operators are subjected throughout the working day. The objective evaluation of occupational exposure with direct measurements and the need for automatic annotation of relevant events arose. The current work proposes the use of a self similarity matrix (SSM) as a tool to flag events that may be of importance to be analyzed by ergonomic teams. This way, data directly retrieved from the work environment will be summarized and segmented into sub-sequences of interest over a multi-timescale approach. The process occurs under 3 timescale levels: Active working periods, working cycles, and in-cycle activities. The novelty function was used to segment non-active and active working periods with an F1-score of 95%. while the similarity function was used to correctly segment 98% of working cycle with a duration error of 6.12%. In addition, this method was extended into examples of multi time scale segmentation with the intent of providing a summary of a time series as well as support in data labeling tasks, by means of a query-by-example process to detect all subsequences.",
keywords = "Industry, Inertial, Labeling, Musculoskeletal disorders, Segmentation, Self-similarity matrix, Summarization, Time series, Unsupervised",
author = "Ant{\'o}nio Santos and Jo{\~a}o Rodrigues and Duarte Folgado and Sara Santos and Carlos Fuj{\~a}o and Hugo Gamboa",
note = "Funding Information: info:eu-repo/grantAgreement/FCT/OE/PD%2FBDE%2F142816%2F2018/PT# Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.; 14th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2021 ; Conference date: 11-02-2021 Through 13-02-2021",
year = "2022",
doi = "10.1007/978-3-031-20664-1_5",
language = "English",
isbn = "978-3-031-20663-4",
series = "Communications in Computer and Information Science",
publisher = "Springer",
pages = "80--101",
editor = "Claudine Gehin and Bruno Wacogne and Alexandre Douplik and Ronny Lorenz and Bethany Bracken and C{\'a}tia Pesquita and Ana Fred and Ana Fred and Hugo Gamboa",
booktitle = "Biomedical Engineering Systems and Technologies - 14th International Joint Conference, BIOSTEC 2021, Revised Selected Papers",
address = "Netherlands",
}