New Zealand Journal of Agricultural Research abstracts

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Research on visualisation of fruits based on deformation

Lu Ling

Xu Hongzhen

Song Wenlin

Liu Gelin

School of Information Engineering
East China Institute of Technology
56 Xuefu Road
Fuzhou, JiangXi, 344000
PR China
luling@ecit.edu.cn

Abstract Modelling fruits by applying ellipsoidal parametric equations and concave-convex texture and colour texture processing, we realised the visualisation of different fruits. Creating surface bumpiness by applying a perturbation function to the ellipsoidal surface normal, we can simulate geometric shapes of different fruits. Using basic functions to define colour and texture change, we can simulate surface colour of different fruits. The key is to analyse the relation of the fruit’s shape to the ellipsoid, and find perturbation functions. The method is simple in that it consists of few different elements, and they can be automatically changed. It is easy to construct an exterior model, a growth model and a body model of virtual fruits. This paper shows a few examples of building models of virtual fruits.

Keywords    colour texture; concave-convex texture; ellipsoidal parameter equation; virtual fruits

A07066; Online publication date 4 December 2007; Received and accepted 10 August 2007

New Zealand Journal of Agricultural Research, 2007, Vol. 50: 593–600
0028–8233/07/5005–0593 © The Royal Society of New Zealand 2007

PDF file of entire paper: Print-quality (1499K) | screen-quality (1480K)

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