Source: https://elder.dev/posts/open-source-virtual-background/

Note: The app.js takes a looong time to start up.
Just be patient.

make bodypix starts the service which masks out the background, and needs NVIDIA

make (re)starts the virtual webcam

To build the images, on Arch Linux you need linux-headers, v4l2loopback-dkms and the AUR package nvidia-container-toolkit.