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A cumulant-based method for gait identification using accelerometer data with principal component analysis and support vector machineŠprager, Sebastijan ; Zazula, DamjanIn this paper a cumulant-based method for identification of gait using accelerometer data is presented. Acceleration data of three different walking speeds (slow, normal and fast) for each subject ... was acquired by the accelerometer embedded in cell phone which was attached to the person's hip. Data analysis was based on gait cycles that were detected first. Cumulants of order from 1 to 4 with different number of lags were calculated. Feature vectors for classification were built using dimension reduction on calculated cumulants by principal component analysis (PCA). The classification was accomplished by support vector machines (SVM) with radial basis kernel. According to portion of variance covered in the calculated principal components, different lengths of feature vectors were tested. Six healthy young subjects participated in the experiment. The average person recognition rate based on gait classification was 90.3 3.2%. A similarity measure for discerning different walking types of the same subject was also introduced using dimension reduction on accelerometer data by PCA.Source: WSEAS transactions on signal processing. - ISSN 1790-5052 (Vol. 5, iss. 11, Nov. 2009, str. 369-378)Type of material - article, component partPublish date - 2009Language - englishCOBISS.SI-ID - 13973782
Author
Šprager, Sebastijan |
Zazula, Damjan
Topics
identifikacija |
prepoznavanje |
senzorji |
vzorci prepoznavanja |
kumulanti |
statistika |
gait identification |
gait recognition |
body senzor |
accelerometer |
pattern recognition |
high-order statistics |
cumulants
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source: WSEAS transactions on signal processing. - ISSN 1790-5052 (Vol. 5, iss. 11, Nov. 2009, str. 369-378)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Šprager, Sebastijan | 30949 |
Zazula, Damjan | 08061 |
Source: Personal bibliographies
and: SICRIS
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