Table 1. Properties in comparison with VDSR [4]. Multi-adds are calculated assuming the resolution of the HR image is 1280 × 720 and upscale factor is ×4.

Properties Proposed VDSR [4]
Training scales 1.5, 1.75, 2, 2.25, 2.5, 2.75, 3, 3.25, 3.5, 3.75, 4 2, 3, 4
Parameters 296K 665K
Multi-adds 49.9G 612.6G
Number of layers 10 20