bibtype J - Journal Article
ARLID 0350248
utime 20240111140747.6
mtime 20110816235959.9
WOS 000293480100008
DOI 10.1016/j.bspc.2010.09.004
title (primary) (eng) Tremor analysis by decomposition of acceleration into gravity and inertial acceleration using inertial measurement unit
specification
page_count 11 s.
serial
ARLID cav_un_epca*0344243
ISSN 1746-8094
title Biomedical Signal Processing and Control
volume_id 6
volume 3 (2011)
page_num 269-289
publisher
name Elsevier
keyword Tremor
keyword Accelerometer
keyword Inertial measurementunit
keyword Gravitational artifact
keyword Regression
keyword Tremor ratingscale
author (primary)
ARLID cav_un_auth*0228408
name1 Šprdlík
name2 Otakar
full_dept (cz) Teorie řízení
full_dept (eng) Department of Control Theory
department (cz)
department (eng) TR
institution UTIA-B
fullinstit Ústav teorie informace a automatizace AV ČR, v. v. i.
author
ARLID cav_un_auth*0021097
name1 Hurák
name2 Z.
country CZ
author
ARLID cav_un_auth*0255917
name1 Hoskovcová
name2 M.
country CZ
author
ARLID cav_un_auth*0271852
name1 Ulmanová
name2 O.
country CZ
author
ARLID cav_un_auth*0040406
name1 Růžička
name2 E.
country CZ
source
source_type textový soubor
url http://library.utia.cas.cz/separaty/2011/TR/sprdlik-0350248.pdf
source_size 580 kB
cas_special
project
project_id 1M0567
agency GA MŠk
country CZ
ARLID cav_un_auth*0202350
research CEZ:AV0Z10750506
abstract (eng) Decomposition of acceleration was investigated as an alternative to commonly used direct spectral analysis of measured acceleration or angular velocity for tremor quantification. An orientation estimation algorithm was devised to decompose the measured acceleration into the gravitational artifact and the inertial acceleration caused by sensor movement in an inertial reference frame. Resulting signals, beside the measured acceleration and angular velocity, were used to assess tremor amplitude and frequency by spectral peak detection. The algorithm was tested on experimental data from a clinical study including patients with essential tremor. The testing comprised of the classification of measurements to come from a patient or a healthy control and of the regression of the visual assessment of tremor amplitude. Small improvements in performance measures were achieved by using the decomposed acceleration. The regression accuracy was comparable to the accuracy achieved in other works.
reportyear 2012
RIV BC
num_of_auth 5
permalink http://hdl.handle.net/11104/0190294
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mrcbU63 cav_un_epca*0344243 Biomedical Signal Processing and Control 1746-8094 1746-8108 Roč. 6 č. 3 2011 269 289 Elsevier