The image-computable spatial vision model as described in Schuett & Wichmann 2017:
Heiko H. Schütt, Felix A. Wichmann(2017) An image-computable psychophysical spatial vision model, Journal of Vision, 12:1-35. doi: 10.1167/17.12.12. https://jov.arvojournals.org/article.aspx?articleid=2659355
There is a LICENCE file with this repository.
See the wiki for instructions on how to use the model.