Fig. 5: Structure and performance of UPENN and Contrast Net. | Nature Communications

Fig. 5: Structure and performance of UPENN and Contrast Net.

From: Cross-layer transmission realized by light-emitting memristor for constructing ultra-deep neural network with transfer learning ability

Fig. 5

a Schematic diagram of UPENN and cross-layer transmission, marked with pre-learning and re-learning methods. b, c Gradient distribution calculated by selecting specific layers of stage 1 and stage 4 in UPENN and Contrast Net. d Feature maps extracted from the same photo in stage 1 and stage 2 of two networks. e The feature maps extracted from the same photo in stage 3 of two networks, the content of Contrast Net has lost most of its features. f Characteristic Diagram in stage 4 of Two Networks. g The recognition accuracy of UPENN and Contrast Net on the unlearned content after pre-learning. h The recognition accuracy of UPENN and Contrast Net after re-learning.

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