Title :
Novel delta zero crossing regression features for gait pattern classification
Author :
Ibrahim, Ronny K. ; Sethu, Vidhyasaharan ; Ambikairajah, Eliathamby
Author_Institution :
Sch. of Electr. Eng. & Telecommun., Univ. of New South Wales, Sydney, NSW, Australia
fDate :
Aug. 31 2010-Sept. 4 2010
Abstract :
Many recent research works on gait pattern classification indicates that static features are used. This paper describes of extracting novel dynamic features as complimentary features for the gait pattern classification. The dynamic features are obtained by using regression on the delta zero crossing counts (ΔZCC) of the acceleration signal. The classification results using the filterbank features with the novel dynamic features showed an overall accuracy of 97% was achieved. This is an improvement of 3% from using the filterbank features alone.
Keywords :
accelerometers; feature extraction; filtering theory; gait analysis; medical signal processing; regression analysis; signal classification; acceleration signal; delta zero crossing counts; dynamic feature extraction; filterbank; gait pattern classification; regression; triaxial accelerometer; Acceleration; Accuracy; Feature extraction; Filter bank; Gravity; Legged locomotion; Vibrations; Acceleration; Adult; Aged; Algorithms; Automatic Data Processing; Equipment Design; Female; Gait; Humans; Male; Middle Aged; Regression Analysis; Reproducibility of Results; Signal Processing, Computer-Assisted;
Conference_Titel :
Engineering in Medicine and Biology Society (EMBC), 2010 Annual International Conference of the IEEE
Conference_Location :
Buenos Aires
Print_ISBN :
978-1-4244-4123-5
DOI :
10.1109/IEMBS.2010.5626275