Estimating pigment contents of crop leaves using hyperspectral data

Qian Cheng; Jingfeng Huang; Renchao Wang; Fumin Wang

doi:10.1117/12.504128

22 December 2003 Estimating pigment contents of crop leaves using hyperspectral data

Qian Cheng, Jingfeng Huang, Renchao Wang, Fumin Wang

Proceedings Volume 5153, Ecosystems' Dynamics, Agricultural Remote Sensing and Modeling, and Site-Specific Agriculture; (2003) https://doi.org/10.1117/12.504128
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Correlation analyses between the spectral reflectance and the pigment contents of five crop leaves including rice, cotton, color cotton, corn and sugarcane were reported in this paper. Spectral reflectance over the 350-2500 nm range with a spectral resolution of 3 nm and the content of chlorophyll a, b, a+b, and total carotenoids were determined for leaves from five crops covering a wide range of chlorophyll a content (0.2440 -3.8755mg/g). Maximum sensitivity of reflectance to variation in pigment content was found in the green wavelength region at 550 nm and at 707 nm. The reflectance in the main the pigment absorption regions in the blue (400-500 nm) and red (660-690 nm) wavelengths proved to be insensitive to variation in pigment content. The ratio R670/(R550*R707) correlated best with chlorophyll a, a+b, and carotenoids contents. The ratio R670/R550 correlated best with chlorophyll b content.

Citation Download Citation

Qian Cheng, Jingfeng Huang, Renchao Wang, and Fumin Wang "Estimating pigment contents of crop leaves using hyperspectral data", Proc. SPIE 5153, Ecosystems' Dynamics, Agricultural Remote Sensing and Modeling, and Site-Specific Agriculture, (22 December 2003); https://doi.org/10.1117/12.504128

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