Key Algorithms for Segmentation of Copperplate Printing Image Based on Deep Learning

Table 4

Target number statistics.

Pixel	Number of targets
1000 × 1000	6827
2000 × 2000	4246
3000 × 3000	7531
4000 × 4000	6201
5000 × 5000	5946
6000 × 6000	7962
7000 × 7000	8145
8000 × 8000	11942