Fig. 8From: A method of two-dimensional correlation spectroscopy combined with residual neural network for comparison and differentiation of medicinal plants raw materials superior to traditional machine learning: a case study on Eucommia ulmoides leavesThe confusion matrix of synchronous (A and D), asynchronous (B and E), integrated (C and F) 2DCOS spectra model for different drying methods (A, B, C) and regions (D, E, F)Back to article page