Surface reconstruction of wheat leaf morphology from three-dimensional scanned data

Daryl Matthew Kempthorne; Ian W Turner; John A Belward; Scott W McCue; Mark D Barry; Joseph Young; Gary J Dorr; Jim Hanan; Jerzy Zabkiewicz

doi:10.1071/FP14058

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Surface reconstruction of wheat leaf morphology from three-dimensional scanned data

Journal article

Open access

Peer reviewed

Surface reconstruction of wheat leaf morphology from three-dimensional scanned data

Daryl Matthew Kempthorne, Ian W Turner, John A Belward, Scott W McCue, Mark D Barry, Joseph Young, Gary J Dorr, Jim Hanan and Jerzy Zabkiewicz

Functional Plant Biology, Vol.42(5), pp.444-451

2015

DOI: https://doi.org/10.1071/FP14058

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Abstract

Plant Biology

Biochemistry and Cell Biology

Ecology

virtual leaf construction

wheat leaves

finite-element methods

discrete smoothing D2 splines

image analysis

Realistic virtual models of leaf surfaces are important for a number of applications in the plant sciences, such as modelling agrichemical spray droplet movement and spreading on the surface. In this context, the virtual surfaces are required to be sufficiently smooth to facilitate the use of the mathematical equations that govern the motion of the droplet. While an effective approach is to apply discrete smoothing D2-spline algorithms to reconstruct the leaf surfaces from three-dimensional scanned data, difficulties arise when dealing with wheat leaves that tend to twist and bend. To overcome this topological difficulty, we develop a parameterisation technique that rotates and translates the original data, allowing the surface to be fitted using the discrete smoothing D2-spline methods in the new parameter space. Our algorithm uses finite element methods to represent the surface as a linear combination of compactly supported shape functions. Numerical results confirm that the parameterisation, along with the use of discrete smoothing D2-spline techniques, produces realistic virtual representations of wheat leaves.

Details

Title: Surface reconstruction of wheat leaf morphology from three-dimensional scanned data
Authors: Daryl Matthew Kempthorne (Author) - Queensland University of Technology
Ian W Turner (Author) - Queensland University of Technology
John A Belward (Author) - Queensland University of Technology
Scott W McCue (Author) - Queensland University of Technology
Mark D Barry (Author) - Queensland University of Technology
Joseph Young (Author) - Queensland University of Technology
Gary J Dorr (Author) - University of Queensland
Jim Hanan (Author) - University of Queensland
Jerzy Zabkiewicz (Author) - Queensland University of Technology
Publication details: Functional Plant Biology, Vol.42(5), pp.444-451
Publisher: C S I R O Publishing
Date published: 2015
DOI: 10.1071/FP14058
ISSN: 1445-4408; 1445-4408
Copyright note: Copyright © 2015 The Authors. The Author Accepted Version is reproduced here in accordance with the publisher's copyright policy. The definitive version is available here: http://dx.doi.org/10.1071/FP14058
Organisation Unit: University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99450572202621
Output Type: Journal article
Research Statement: false

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Plant Sciences