Detection mechanism for fruiter crown diameter

Zhang Fugui; Hong Tiansheng; Xiao Lei; Cheng Haisheng; Lu Yongchao

Volume 24 Issue 4

Apr. 2008

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Abstract

Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE) > 2008 > 24(4): .

Zhang Fugui, Hong Tiansheng, Xiao Lei, Cheng Haisheng, Lu Yongchao. Detection mechanism for fruiter crown diameter[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2008, 24(4).

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Detection mechanism for fruiter crown diameter

1.
Key Laboratory of Key Technology on Agricultural Machine and Equipment, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
2.
College of Mechanical Engineering, Guizhou University, Guiyang 550003, China

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Received Date: May 10, 2006
Revised Date: January 31, 2008
Published Date: April 29, 2008

Graphical Abstract

Abstract

Abstract

It is necessary to detect the fruiter crown diameter for fruiter profile modeling of precision spray. The method of interlaced calculation and the theory of relative crown diameter (RCD) were developed based on the detection mechanism for fruiter crown diameter. The system model about data fusion was established by the relationship between RCD and imaging distance. BP artificial neural network was used for data fusion and the data fusion process was explained. The experimentation results prove that it is feasible to use BP artificial neural network for data fusion between RCD and imaging distance. The influence of imaging distance on detecting RCD was eliminated by data fusion. The maximum fractional error between fusion value and theoretic value is 1.14%.
- fruiter crown diameter,
- detection mechanism,
- imaging distance,
- data fusion,
- BP artificial neural network

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