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Proceedings Paper

Multispectral imaging utilizing LCTF technology for plant disease detection
Author(s): Lixun Tian; Ningfang Liao; Ali Chai; Boneng Tan; Deqi Cui; Jiajia Wang
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Paper Abstract

The aim of this paper is to pave the way for the establishment of analysis of the lights reflected from the leaf's surface as an analytical method of plant disease. An imaging LCTF spectrometer that covers a visible light with 400-720 nm wavelength bands has been developed. This paper first outlines the structure of imaging LCTF spectrometer, including their operational principles and construction. Next, various spectral images acquired using the LCTF spectrometer in laboratory environment experiments to measure spectral characteristics of rays reflected from cucumber leaves surfaces that are infected by different germs are analyzed. Then, the results of the experiments conducted using the imaging spectrometer are shown, including the analyzed relative radiance of rays reflected from the plants, and spectral images acquired at various wavelengths. These experimental results demonstrate clearly that rays reflected from plant contaminated by different disease germs have different spectral properties.

Paper Details

Date Published: 18 August 2011
PDF: 7 pages
Proc. SPIE 8194, International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications, 81941U (18 August 2011); doi: 10.1117/12.900316
Show Author Affiliations
Lixun Tian, Beijing Institute of Technology (China)
Ningfang Liao, Beijing Institute of Technology (China)
Ali Chai, Chinese Academy of Agricultural Sciences (China)
Boneng Tan, Beijing Institute of Technology (China)
Deqi Cui, Beijing Institute of Technology (China)
Jiajia Wang, Beijing Institute of Technology (China)


Published in SPIE Proceedings Vol. 8194:
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Imaging Detectors and Applications
Makoto Ikeda; Nanjian Wu; Guangjun Zhang; Kecong Ai, Editor(s)

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