Abstract:
:The aim of this study was to present a new training algorithm using artificial neural networks called multi-objective least absolute shrinkage and selection operator (MOBJ-LASSO) applied to the classification of dynamic gait patterns. The movement pattern is identified by 20 characteristics from the three components of the ground reaction force which are used as input information for the neural networks in gender-specific gait classification. The classification performance between MOBJ-LASSO (97.4%) and multi-objective algorithm (MOBJ) (97.1%) is similar, but the MOBJ-LASSO algorithm achieved more improved results than the MOBJ because it is able to eliminate the inputs and automatically select the parameters of the neural network. Thus, it is an effective tool for data mining using neural networks. From 20 inputs used for training, MOBJ-LASSO selected the first and second peaks of the vertical force and the force peak in the antero-posterior direction as the variables that classify the gait patterns of the different genders.
journal_name
Comput Methods Biomech Biomed Enginauthors
Andrade A,Costa M,Paolucci L,Braga A,Pires F,Ugrinowitsch H,Menzel HJdoi
10.1080/10255842.2013.803081subject
Has Abstractpub_date
2015-01-01 00:00:00pages
382-90issue
4eissn
1025-5842issn
1476-8259journal_volume
18pub_type
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