3-D Visualization of Wheat Leaves Using Measured Data and NURBS Surface

LI Shu-qin; LIU Hai-long; ZHU Ye-ping; LI Shi-juan; LIU Sheng-ping; ZHANG Hong-ying; LI Zhong-yang

doi:10.19303/j.issn.1008-0384.2016.07.021

Volume 31 Issue 7

Oct. 2016

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Article Navigation > Fujian Journal of Agricultural Sciences > 2016 > 31(7): 777-782

LI Shu-qin, LIU Hai-long, ZHU Ye-ping, LI Shi-juan, LIU Sheng-ping, ZHANG Hong-ying, LI Zhong-yang. 3-D Visualization of Wheat Leaves Using Measured Data and NURBS Surface[J]. Fujian Journal of Agricultural Sciences, 2016, 31(7): 777-782. doi: 10.19303/j.issn.1008-0384.2016.07.021

Citation:

LI Shu-qin, LIU Hai-long, ZHU Ye-ping, LI Shi-juan, LIU Sheng-ping, ZHANG Hong-ying, LI Zhong-yang. 3-D Visualization of Wheat Leaves Using Measured Data and NURBS Surface[J]. Fujian Journal of Agricultural Sciences, 2016, 31(7): 777-782. doi: 10.19303/j.issn.1008-0384.2016.07.021

Citation:

LI Shu-qin, LIU Hai-long, ZHU Ye-ping, LI Shi-juan, LIU Sheng-ping, ZHANG Hong-ying, LI Zhong-yang. 3-D Visualization of Wheat Leaves Using Measured Data and NURBS Surface[J]. Fujian Journal of Agricultural Sciences, 2016, 31(7): 777-782. doi: 10.19303/j.issn.1008-0384.2016.07.021

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3-D Visualization of Wheat Leaves Using Measured Data and NURBS Surface

doi: 10.19303/j.issn.1008-0384.2016.07.021

1.
Agricultural Information Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Agri-Information Service Technology, Ministry of Agriculture, Beijing 100081, China
2.
Information Center, North China University of Technology, Beijing 100144, China
3.
Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Xinxiang, He'nan 453002, China

Received Date: 2016-04-02
Rev Recd Date: 2016-05-10
Publish Date: 2016-07-01

Abstract

Abstract

3-D visualizationis valuable for forecasting wheat production, as well as the breeding, yield, and cultivation of the crop. However, developing the technique to virtually simulate wheat leaves faced difficult challenges in the past. This study attempted to overcome the obstacle by applying selected measurements on the leaves to feed in the Non-uniform rational Basis spline(NURBS) mathematic model for a 3-D graphic representation of the leaves. Firstly, the algorithm for control points of the main veins on a wheat leaf was established. Secondly, the coordinates for the NURBS surface control points were calculated. And, finally, a simulation model under different control point sequence was constructed with the aid of open Graphics Library(OpenGL). The resulting algorithm was found to be highly efficient, and the simulated image sexceedingly smooth and realistic.
- mesured data,
- NURBS,
- 3-D visualization,
- control point

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References(16)

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