Motion Recognition based Adaptive Step Length Estimation for a PDR system Only using a Smartphone

Title
Motion Recognition based Adaptive Step Length Estimation for a PDR system Only using a Smartphone
Authors
이정호신범주이석박진우김재헌김철기이택진
Keywords
PDR; step length estimation; motion recognition; smartphone
Issue Date
2014-10
Publisher
ISGNSS 2014
Abstract
We present a motion based adaptive step length estimation algorithm for PDR system using only a smartphone. It is difficult to estimate step length of user using only a smartphone because various motions are existed on smartphone usage environment and smartphone is widely used. To solve problem, we apply a motion recognition algorithm and gait cognition algorithm on step length model. Map based gait cognition algorithm enhances the performance of motion based step length estimation algorithm. To demonstrate the performance of proposed step length estimation algorithm, we conduct a field test in indoor and outdoor. A performance of basic process of PDR present that proposed algorithm can be effectively operated on smartphone based PDR system.
URI
http://pubs.kist.re.kr/handle/201004/48396
Appears in Collections:
KIST Publication > Conference Paper
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