A Method of Amino Acid Terahertz Spectrum Recognition Based on the Convolutional Neural Network and Bidirectional Gated Recurrent Network Model

Table 1

Summary of evaluation indices of each model.

Model/index	Accuracy rate	Recall rate (%)	Precision (%)	F1-score (%)
PCA-SVM	68.35%	68.35	68.35	56.08
BiGRU	91.56%	91.56	91.56	97.82
PCA-LSTM	97.89%	97.89	97.89	97.82
CNN-BiGRU	99.16%	99.16	99.16	99.17