Micro-Doppler characteristics of elderly gait patterns with walking aids

Moeness G. Amin; Fauzia Ahmad; Yimin D. Zhang; Boualem Boashash

doi:10.1117/12.2178398

21 May 2015 Micro-Doppler characteristics of elderly gait patterns with walking aids

Moeness G. Amin, Fauzia Ahmad, Yimin D. Zhang, Boualem Boashash

Proceedings Volume 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI; 94611A (2015) https://doi.org/10.1117/12.2178398
Event: SPIE Defense + Security, 2015, Baltimore, MD, United States

Abstract

In this paper, we analyze the micro-Doppler signatures of elderly gait patterns in the presence of walking aids using radars. The signatures are based on real data experiments conducted in a laboratory environment using human subjects walking with a walking cane and a walker. Short-time Fourier transform is used to provide the local signal behavior over frequency and to detail the changes in the micro-Doppler signatures over time. Intrinsic differences in the Doppler and micro-Doppler signatures of the elderly gait observed with and without the use of a walking aid are highlighted. Features that capture these differences can be effective in discriminating gait with walking aids from normal human gait.

Citation Download Citation

Moeness G. Amin, Fauzia Ahmad, Yimin D. Zhang, and Boualem Boashash "Micro-Doppler characteristics of elderly gait patterns with walking aids", Proc. SPIE 9461, Radar Sensor Technology XIX; and Active and Passive Signatures VI, 94611A (21 May 2015); https://doi.org/10.1117/12.2178398

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