View source for PBC:Image scaling/How it works

{| class="wikitable"
|+Comparison of scaling methods
! Original photo
! Upscaled 2x
! Upscaled 4x
! Upscaled 6x
! Algorithm and description
|-
|[[File:Markus Kage Paul Henry Serres Photography Original.jpg|thumb|600 × 863 reference]]
|[[File:Markus Kage Paul Henry Serres Photography Upscale 2x.jpg|thumb|1,200 × 1,726 (2x)]]
|[[File:Markus Kage Paul Henry Serres Photography Upscale 4x.jpg|thumb|2,400 × 3,452 (4x)]]
|[[File:Markus Kage Paul Henry Serres Photography Upscale 6x.jpg|thumb|3,600 × 5,178 (6x)]]
|Deep convolutional neural networks using perceptual loss
|-
|[[File:Chad Driver Face Original.jpg|thumb|304 × 443 reference]]
|[[File:Chad Driver Face 2x.jpg|thumb|608 × 886 (2x)]]
|[[File:Chad Driver Face 4x.jpg|thumb|1,216 × 1,772 (4x)]]
|[[File:Chad Driver Face 6x.jpg|thumb|1,824 × 2,658 (6x)]]
|Deep convolutional neural networks
|}