Real-Time Capable Micro-Doppler Signature Decomposition of Walking Human Limbs

Abstract

Unique micro-Doppler signature ($\mathbf{\mu }$-D) of a human body motion can be analyzed as the superposition of different body parts $\mathbf{\mu }$-D signatures. Extraction of human limbs $\mathbf{\mu }$-D signatures in real-time can be used to detect, classify and track human motion especially for safety application. In this paper, two methods are combined to simulate $\mathbf{\mu }$-D signatures of a walking human. Furthermore, a novel limbs $\mu$-D signature time independent decomposition feasibility study is presented based on features as $\mu$-D signatures and range profiles also known as micro-Range ($\mu$-R). Walking human body parts can be divided into four classes (base, arms, legs, feet) and a decision tree classifier is used. Validation is done and the classifier is able to decompose $\mu$-D signatures of limbs from a walking human signature on real-time basis.

arXiv comment6 pages, IEEE RadarConf 17

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