Figure 2

(a) Diagram depicting the polarization current measurement procedure, (b) Construction of the OPI test sample, (c) Schematics of an LSTM cell displaying gating variables, and (d) Architecture of the proposed residual LSTM model.

(a) Diagram depicting the polarization current measurement procedure, (b) Construction of the OPI test sample, (c) Schematics of an LSTM cell displaying gating variables, and (d) Architecture of the proposed residual LSTM model.