Sensors 2011, 11(4), 3803-3815; doi:10.3390/s110403803

Three-Dimensional Modeling of Tea-Shoots Using Images and Models

1 College of Biology and Science, Sichuan Agricultural University, Ya’an 625014, Sichuan, China 2 College of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 610054, Sichuan, China
* Author to whom correspondence should be addressed.
Received: 3 February 2011; in revised form: 3 March 2011 / Accepted: 21 March 2011 / Published: 29 March 2011
(This article belongs to the Special Issue Sensors in Agriculture and Forestry)
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Abstract: In this paper, a method for three-dimensional modeling of tea-shoots with images and calculation models is introduced. The process is as follows: the tea shoots are photographed with a camera, color space conversion is conducted, using an improved algorithm that is based on color and regional growth to divide the tea shoots in the images, and the edges of the tea shoots extracted with the help of edge detection; after that, using the divided tea-shoot images, the three-dimensional coordinates of the tea shoots are worked out and the feature parameters extracted, matching and calculation conducted according to the model database, and finally the three-dimensional modeling of tea-shoots is completed. According to the experimental results, this method can avoid a lot of calculations and has better visual effects and, moreover, performs better in recovering the three-dimensional information of the tea shoots, thereby providing a new method for monitoring the growth of and non-destructive testing of tea shoots.
Keywords: tea shoots; three-dimensional modeling; calculation model; image segmentation; edge detection

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MDPI and ACS Style

Wang, J.; Zeng, X.; Liu, J. Three-Dimensional Modeling of Tea-Shoots Using Images and Models. Sensors 2011, 11, 3803-3815.

AMA Style

Wang J, Zeng X, Liu J. Three-Dimensional Modeling of Tea-Shoots Using Images and Models. Sensors. 2011; 11(4):3803-3815.

Chicago/Turabian Style

Wang, Jian; Zeng, Xianyin; Liu, Jianbing. 2011. "Three-Dimensional Modeling of Tea-Shoots Using Images and Models." Sensors 11, no. 4: 3803-3815.

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