基于多角度高光谱与小波变换的冬小麦LAI监测

白燕, 及嘉兴, 闫晓斌, 白娟, 乔星星, 赵钰, 王超, 冯美臣, 肖璐洁, 宋晓彦, 张美俊, 杨武德, 李广信

Monitoring Winter Wheat LAI Based on Multi-Angle Hyperspectral Data and Wavelet Transform

Bai Yan, Ji Jiaxing, Yan Xiaobin, Bai Juan, Qiao Xingxing, Zhao Yu, Wang Chao, Feng Meichen, Xiao Lujie, Song Xiaoyan, Zhang Meijun, Yang Wude, Li Guangxin

表2 各观测角度下不同分解尺度的sym8小波能量系数与LAI的相关系数

Table 2 Correlation coefficients between sym8 wavelet energy coefficients and LAI at different decomposition scales from different observation angles

观测角度 Observation angle 分解尺度Decomposition scale 1 2 3 4 5 6 7 8 9 10 0°, 0° 0.047 -0.076 -0.202 -0.345 -0.377 0.420 0.747 0.788 0.793 0.794 0°, 30° 0.106 0.102 0.121 -0.100 -0.230 -0.346 -0.617 -0.677 -0.682 -0.683 0°, 60° 0.093 0.102 0.134 0.059 -0.199 -0.218 -0.488 -0.636 -0.654 -0.656 90°, 30° 0.150 0.118 0.145 -0.050 -0.150 -0.156 0.346 -0.444 -0.460 -0.461 90°, 60° 0.110 0.092 0.106 -0.103 -0.242 -0.310 -0.568 -0.656 -0.662 -0.663 180°, 30° 0.102 0.103 0.135 -0.084 -0.168 -0.290 -0.554 -0.630 -0.636 -0.637 180°, 60° 0.087 0.088 0.170 0.118 0.148 0.183 0.401 -0.532 -0.557 -0.559