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Plant acoustic density profile model of CTFM ultrasonic sensing

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2 Author(s)
McKerrow, P. ; Sch. of Inf. Technol. & Comput. Sci., Wollongong Univ., NSW, Australia ; Harper, N.

Many applications require the sensing of plants. When an ultrasonic sensor insonifies a plant, the resultant echo is the superposition of the echoes from the leaves. As a result, the echo contains information about the geometric structure of the foliage. In this paper, we present a model of sensing that facilitates the extraction of geometric features from the echo for plant classification, recognition and discrimination. We model the echo from a CTFM ultrasonic sensor with the acoustic density profile model. Then, we identify a set of features that represent plant geometric characteristics and use these to perform an inverse transform from echo features to plant geometry

Published in:

Sensors Journal, IEEE  (Volume:1 ,  Issue: 4 )