Table 1. MIoU parameters comparison.

Network name	Artistic elements	Background	Total
U-net (Li, Chen & Zhang, 2019)	0.818	0.995	0.906
Dense U-net (Zhou et al., 2018)	0.839	0.995	0.917
ResU-net (He, Fang & Plaza, 2020)	0.841	0.995	0.918
Ours	0.882	0.997	0.939