Correcting waveform bias using principal component analysis: Applications in multicentre motion analysis studies

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• 作者：Allison L. Clouthier^a ; ^{allison.clouthier@queensu.ca} ; Eric R. Bohm^b ; ^{ebohm@cjrg.ca} ; John F. Rudan^c ; ^{rudanj@kgh.kari.net} ; Barbara L. Shay^d ; ^{barbara.shay@umanitoba.ca} ; Michael J. Rainbow^a ; ^{michael.rainbow@queensu.ca} ; Kevin J. Deluzio^a ; ^{kevin.deluzio@queensu.ca}
• 关键词：Principal component analysis ; Motion analysis ; Gait ; Waveform data ; Inter-laboratory
• 刊名：Gait & Posture
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：51
• 期：Complete
• 页码：153-158
• 全文大小：1412 K
• 卷排序：51

文摘

A method is proposed to allow for synthesis of multicentre waveform data. Nuisance variation is removed using a principal component analysis-based technique. Within-centre variation is maintained. The method is successfully demonstrated on synthesized and real differences.