2020
DOI: 10.1145/3422168
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Generalized and Efficient Skill Assessment from IMU Data with Applications in Gymnastics and Medical Training

Abstract: Human activity recognition is progressing from automatically determining what a person is doing and when, to additionally analyzing the quality of these activities—typically referred to as skill assessment. In this chapter, we propose a new framework for skill assessment that generalizes across application domains and can be deployed for near-real-time applications. It is based on the notion of repeatability of activities defining skill. The analysis is based on two subsequent classification steps that analyze… Show more

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Cited by 6 publications
(11 citation statements)
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“…However, additional classes can provide a finer distinction between the performed motions [50]. In addition, hybrid approaches have been studied in which ranking-based assessment is followed by regression-based algorithms that use the confidence scores of the classification to compute a motion quality score [3]. Ranking-based assessments have the advantage of offering a better distinction in terms of motion quality.…”
Section: B: Ranking-based Assessmentsmentioning
confidence: 99%
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“…However, additional classes can provide a finer distinction between the performed motions [50]. In addition, hybrid approaches have been studied in which ranking-based assessment is followed by regression-based algorithms that use the confidence scores of the classification to compute a motion quality score [3]. Ranking-based assessments have the advantage of offering a better distinction in terms of motion quality.…”
Section: B: Ranking-based Assessmentsmentioning
confidence: 99%
“…The cross-validation technique used depends on the characteristics of the dataset. For instance, smaller datasets may have higher accuracy with a leave-k-subjectsout approach [3] because the data of individual subjects are not mixed in both the training and validation subsets. The cross-validation technique can also be used during the training phase of the model to facilitate the selection of the optimal parameters of the algorithm.…”
Section: ) Model Developmentmentioning
confidence: 99%
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“…For a more advanced classifier fusion technique, one can refer to the proposed method in Kazemian et al (2010) where more advanced methods such as Dempster’s Rule of Combination (DCR) and Choquet integral are compared with more basic techniques. Activity recognition and movement classification is another efficient way to calculate metrics representing the surgical skill automatically Khan et al (2020) . Moreover, instrument detection in a video and drawing centroid based on the orientation and movement of the instruments can reflect the focus and ability to plan moves in a surgeon.…”
Section: Data Driven Scoringmentioning
confidence: 99%