基于马尔可夫过程和深度神经网络的TBM围岩识别
毛奕喆,龚国芳,周星海,王飞

Identification of TBM surrounding rock based on Markov process and deep neural network
Yi-zhe MAO,Guo-fang GONG,Xing-hai ZHOU,Fei WANG
图 8 5折交叉验证的过程
Fig.8 Procedure for 5-fold cross-validation