Comput Methods Programs Biomed - iGAIT: an interactive accelerometer based gait analysis system.

Tópicos

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Resumo

This paper presents a software program (iGAIT) developed in MATLAB, for the analysis of gait patterns extracted from accelerometer recordings. iGAIT provides a user-friendly graphical interface to display and analyse gait acceleration data recorded by an accelerometer attached to the lower back of subjects. The core function of iGAIT is gait feature extraction, which can be used to derive 31 features from acceleration data, including 6 spatio-temporal features, 7 regularity and symmetry features, and 18 spectral features. Features extracted are summarised and displayed on screen, as well as an option to be stored in text files for further review or analysis if required. Another unique feature of iGAIT is that it provides interactive functionality allowing users to manually adjust the analysis process according to their requirements. The system has been tested under Window XP, Vista and Window 7 using three different types of accelerometer data. It is designed for analysis of accelerometer data recorded with sample frequencies ranging from 5 Hz to 200 Hz.

Resumo Limpo

paper present softwar program igait develop matlab analysi gait pattern extract acceleromet record igait provid userfriend graphic interfac display analys gait acceler data record acceleromet attach lower back subject core function igait gait featur extract can use deriv featur acceler data includ spatiotempor featur regular symmetri featur spectral featur featur extract summaris display screen well option store text file review analysi requir anoth uniqu featur igait provid interact function allow user manual adjust analysi process accord requir system test window xp vista window use three differ type acceleromet data design analysi acceleromet data record sampl frequenc rang hz hz

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