Table 4.

Dissolved oxygen prediction effect under different optimization operations.

Model	MSE	RMSE	MAE	MAPE	R2
BP	0.2042	0.4520	0.3543	4.09%	75.94%
TCN	0.1814	0.4259	0.3357	3.89%	78.63%
TCN- BiLSTM	0.1416	0.3763	0.3103	3.63%	83.31%
SG-TCN- BiLSTM	0.0883	0.2972	0.2064	2.39%	89.46%
SG-MIC-TCN-BiLSTM	0.0245	0.1566	0.1148	1.32%	97.07%
SG-MIC-SSA-TCN-BiLSTM	0.0225	0.1501	0.1082	1.23%	97.31%
SMI-TCN-BiLSTM(Ours)	0.0132	0.1147	0.0851	0.96%	98.43%