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Conference Publication

Micro-Doppler feature extraction using convolutional auto-encoders for low latency target classification

Host Publication: 2017 IEEE Radar Conference (RadarConf)

Authors: K. Parashar, M. Oveneke, M. Rykunov, H. Sahli and A. Bourdoux

Publisher: IEEE

Publication Year: 2017

Number of Pages: 6


Abstract:

The radar is expected to go beyond the traditional functionality of range and speed estimation to target classification. The complementary use of radar and video is becoming increasingly popular for applications such as autonomous cars, smart home automation etc. Target classification based on radar depends on the characteristic motion patterns of target nonrigidities. The Micro-Doppler (MD) signal captures such motions that have been used to extract reliable distinguishing features for various classes of targets. Popular MD analysis techniques such as Cadence frequency estimation require long captures before reliably identifying the target. Such a latency has an impact on the response times especially in time critical systems such as autonomous cars. Although a finite latency is unavoidable, it is in the interest of the community to keep it as small as possible. In this paper, we use unsupervised learning, specifically auto-encoders for learning Micro-Doppler features. We use a particular fast learning algorithm which learns very quickly with little training data and deliver reliable classification.

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Ir. Meshia Oveneke

+32 (0)02 629 296

mcovenek@etrovub.be

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Prof. Hichem Sahli

+32 (0)02 629 291

hsahli@etrovub.be

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