don’t need to use ai but u can use motion tracking i use it alot to try and get more accurate scripts for some videos other than something like a cock hero or fap hero. try the funscript generator windows for open funscripter i cant find the one i use which is mtfg but this one also works https://discuss.eroscripts.com/t/how-to-use-funscripttoolbox-motionvectors-plugin-in-openfunscripter/96506
edit i found mine
https://discuss.eroscripts.com/t/motion-tracking-funscript-generator-v0-5-x/28117
https://github.com/michael-mueller-git/Python-Funscript-Editor/releases
use the installer exe version