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101.
Emily E Cust Alice J Sweeting Kevin Ball Sam Robertson 《Journal of sports sciences》2019,37(5):568-600
Objective assessment of an athlete’s performance is of importance in elite sports to facilitate detailed analysis. The implementation of automated detection and recognition of sport-specific movements overcomes the limitations associated with manual performance analysis methods. The object of this study was to systematically review the literature on machine and deep learning for sport-specific movement recognition using inertial measurement unit (IMU) and, or computer vision data inputs. A search of multiple databases was undertaken. Included studies must have investigated a sport-specific movement and analysed via machine or deep learning methods for model development. A total of 52 studies met the inclusion and exclusion criteria. Data pre-processing, processing, model development and evaluation methods varied across the studies. Model development for movement recognition were predominantly undertaken using supervised classification approaches. A kernel form of the Support Vector Machine algorithm was used in 53% of IMU and 50% of vision-based studies. Twelve studies used a deep learning method as a form of Convolutional Neural Network algorithm and one study also adopted a Long Short Term Memory architecture in their model. The adaptation of experimental set-up, data pre-processing, and model development methods are best considered in relation to the characteristics of the targeted sports movement(s). 相似文献
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Alice Dolan 《Cultural and Social History》2013,10(2):145-147
ABSTRACTEighteenth-century England saw a close association between personal decency and the condition, cleanliness and quality of underwear – this shirt or shift, usually made from linen, was used to judge status and respectability. Novels and a pawnbroker’s book reveal that inadequate underwear shamed its owner. Bodily intimacy had the potential to create emotional attachments, illustrated by the poignant Derwentwater sheet. However quantitative analysis of wills and textiles from the Foundling Hospital, which continues as the children’s charity Coram, indicate that bodily intimacy did not automatically create emotional meaning and economic value could have primacy over emotional attachment. 相似文献
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Alice Ansara 《Annals of dyslexia》1972,22(1):123-139
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