Multispectral Imaging Utilizing LCTF Technology for Plant Disease Detection

文献类型： 外文期刊

第一作者： Tian, Lixun

作者： Tian, Lixun;Liao, Ningfang;Tan, Boneng;Cui, Deqi;Wang, Jiajia;Chai, Ali

作者机构：

关键词： Multispectral imaging;liquid crystal tunable filter (LCTF)

期刊名称：INTERNATIONAL SYMPOSIUM ON PHOTOELECTRONIC DETECTION AND IMAGING 2011: ADVANCES IN IMAGING DETECTORS AND APPLICATIONS

ISSN： 0277-786X

年卷期： 2011 年 8194 卷

页码：

收录情况： SCI

摘要： 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.

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