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. 2023 Nov 2;8(7):519. doi: 10.3390/biomimetics8070519

Figure 4.

Figure 4

(a) An architectural illustration of a recurrent neural network (RNN) demonstrating its essential components. The recurrent connection is indicated by an arrow pointing from the output layer back to the hidden layer. This fundamental connection allows RNNs to sustain a memory of prior inputs and computations. (b) A U-Net model’s architectural representation.