利用地形、土壤和作物信息辅助提高东北漫岗地数字高程模型精度的新方法

马雨阳,官海翔,杨昊轩,邵帅,邵逸群,刘焕军

A New Method to Improve the Accuracy of Digital Elevation Model in Northeast China by Using Terrain, Soil and Crop Information

MA YuYang,GUAN HaiXiang,YANG HaoXuan,SHAO Shuai,SHAO YiQun,LIU HuanJun

表7 模型的精确评估

Table 7 Accuracy assessment of models

建模精度 Modelling Accuracy 验证精度Validation Accuracy 均方根误差RMSE (m) 决定系数R2 均方根误差 RMSE (m) 决定系数 R2 极限学习机ELM 0.82 0.96 1.00 0.90 反向传播神经网络BPNN 0.69 0.98 0.98 0.97