[1] West J S, Bravo C, Oberit R, et al. The potential of optical canopy measurement for targeted control of field crop disea- ses[J]. Ann. Rev. Phytopathol, 2003, 41 :593—614.
[2] Penuelas J, Filella L. Visible and near-infrared reflectance techniques for diagnosing plant physiological status[J]. Trends Plant Sci, 1998, 3 :151—155.
[3] Verstraete M M, Pinty B, Myneni R B. Potential and limi- tations of information extraction on the terrestrial biosphere from satellite remote sensing[J]. Remote Sens. Environ, 1996, 58 :201—214.
[8] Cristianini N, Shawe-Taylor J. An Introduction to Support Vector Machines and Other Kernel-based Learning Methods [M]. Cambridge University Press:Cambridge 2000:93— 112.