基于HJ-1A高光谱影像的湿地精细分类

张雅春, 那晓东, 臧淑英

Wetland high precision classification based on the HJ-1A hyperspectral image

Yachun ZHANG, Xiaodong NA, Shuying ZANG

表1 SUFCLS和FCLS方法反演的植被丰度预测值与验证值之间的相关系数和均方根误差

Tab.1 Correlation coefficients and root mean square error between vegetation abundance estimates and validation values retrieved by the sparse constrained least squares spectral unmixing algorithm (SUFCLS) and fully constrained least squares spectral unmixing algorithm (FCLS) methods

解混模型 芦苇 蒲草 羊草 杂草 R RMSE R RMSE R RMSE R RMSE SUFCLS 0.874** 0.087 0.832** 0.097 0.826** 0.091 0.821** 0.059 FCLS 0.618** 0.169 0.602** 0.144 0.597** 0.138 0.457** 0.130