共 4 条
- [1] Light reflectance compared withother nitrogen stress measurements in corn leaves. Blackmer TM,Schepers J S,Varvel G E. Agronomy Journal . 1994
- [2] Ratio analysis of reflectancespectra(RARS):AN algorithm for the remote estimation of theconcentration of chlorophyll b,and carotenoids in soybean leaves. Chapple E W,Kim M S,McMurtrey J E. Remote Sensing of Environment . 1992
- [3] Digital Image Processing. Gonzalez R C,Woods R E. . 1992
- [4] A computer vision system for characterizing corngrowth and development. Tarbell K A,Reid F. Transactions of the American Society of Agricultural Engineers . 1991