Kestrel is a simple and lightweight computer vision library for the Lua language written in C.
you can also check kestrel vision https://github.com/orendaniel/kestrel-vision
Kestrel is designed to be simple and lightweight, as such many features that are included in other computer vision libraries are ignored.
libv4l
lua 5.3 / 5.4 (choose version on make files)