Development of a Low-Cost Narrow Band Multispectral Imaging System Coupled with Chemometric Analysis for Rapid Detection of Rice False Smut in Rice Seed

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Development of a Low-Cost Narrow Band Multispectral Imaging System Coupled with Chemometric Analysis for Rapid Detection of Rice False Smut in Rice Seed

Supplementary Material Development of a Low-cost Narrow Band Multispectral Imaging System Coupled with Chemometric Analysis for Rapid Detection of Rice False Smut in Rice Seed Haiyong Weng1, Ya Tian1, Na Wu2, Xiaoling Li3, Biyun Yang1, Yiping Huang1, Dapeng Ye1,* and Renye Wu4,* 1College of Mechanical and Electrical Engineering, Fujian Agriculture and Forestry University, Fuzhou 310002, P.R. China 2College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, P.R. China 3College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 310002, P.R. China 4 College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou 310002, P.R. China * Correspondence: [email protected]; [email protected] Full list of author information: Haiyong Weng: [email protected]; Ya Tian: [email protected]; Na Wu: [email protected]; Xiaoling Li: [email protected]; Biyun Yang: [email protected]; Yiping Huang: [email protected]; Dapeng Ye: [email protected]; Renye Wu : [email protected] Supplementary Material A multispectral imaging system was developed for rice false smut (RFS) detection. It collected six spectral images at spectrum peaks of 460, 520, 660, 740, 850 and 940 nm, respectively, using a monochrome CCD sensor (MT9V032, ON Semiconductor, Phoenix, Arizona, USA). The light source was provided by 12 narrow-band high-power LEDs (Epileds Technologies, Inc., Taiwan, China). Four mirrors were installed at four sides of the dark box to ensure the light distribution as homogeneous as possible. The multispectral images data acquisition were performed on a software developed by our group using C++ programming language based on the platform Visual Studio 2018 (Microsoft, State of Washington, USA). Figure S1. The multispectral imaging system (MSI) developed in this study. (a) and (b) were the overview and details of MSI. (c) was the upward view of 12 narrow-band LEDs arrayed around the camera lens. .

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