. 2022 Dec 9;10(12):2497. doi: 10.3390/healthcare10122497
© 2022 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 4.
The improved U-Net model. Process see Box 1.