PBC:Image scaling/How it works

Comparison of scaling methods

Original photo	Upscaled 2x	Upscaled 4x	Upscaled 6x	Algorithm and description
600 × 863 reference	1,200 × 1,726 (2x)	2,400 × 3,452 (4x)	3,600 × 5,178 (6x)	Deep convolutional neural networks using perceptual loss
304 × 443 reference	608 × 886 (2x)	1,216 × 1,772 (4x)	1,824 × 2,658 (6x)	Deep convolutional neural networks