材料研究中的可解释机器学习

王冠杰, 刘盛咸, 周健, 孙志梅

Explainable Machine Learning in the Research of Materials Science

WANG Guanjie, LIU Shengxian, ZHOU Jian, SUN Zhimei

图6 层级相关性传播(LRP)方法中的反向传播示意图

Fig.6 Schematic of backpropagation in layer-wise relevance propagation (LRP) method ( R_i —relevance score of the input feature, R_j —relevance score of the feature in an intermediate layer, R_k —relevance score of the feature in the output layer, $R_{j \leftarrow k}$ —weight in back propagation)