Fast SSIMULACRA2 Implementation in Zig

(github.com)

27 points | by computerbuster 14 hours ago ago

1 comments

$gforce_de 43 minutes ago

It does not match with the reference implementation in my side:

  #!/bin/sh
  # originally from https://jpegxl.info/images/precision-machinery-shapes-golden-substance-with-robotic-exactitude.jpg
  # URL1="http://intercity-vpn.de/files/2025-10-04/upload/precision-machinery-shapes-golden-substance-with-robotic-exactitude.png"
  # URL2="http://intercity-vpn.de/files/2025-10-04/upload/image-png-all-pngquant-q13.png"
  curl "$URL1" -so test.png
  curl "$URL2" -so distorted.png
  
  # https://github.com/cloudinary/ssimulacra2/tree/main
  ssimulacra2 test.png distorted.png
  5.90462597

  # https://github.com/gianni-rosato/fssimu2
  fssimu2 test.png distorted.png
  2.17616860