>>105811809
I'm trying to find something that will work with cartoon images. VMAF seems to be working but if there's anything better than jerry rigging a video quality metric to detect image quality, I'm all ears man.

https://desuarchive.org/g/thread/105805949

Why does SSIM fail to predict image quality on cartoon images?

I was planning on doing an image codec comparison thread going from reasonable 0.93 to 0.96 SSIM range showcasing how much file size vs quality goes up across different image codecs. In theory anything above a 0.90 SSIM but below a 0.95 SSIM score is correlated with subjectively good quality. Not great quality, just good, like a quarter pounder from the clown instead of a properly made cheeseburger from a 5 star restaurant. Again in theory the closer you get to 0.99 SSIM the more overkill the lossy compression with an expected huge file size increases with little quality improvements.

A quality parameter of 50 with webp should not be getting anywhere near 0.99 SSIM...

Here's the webp file: https://files.catbox.moe/juhk01.webp