Converting movies to images - Geowissenschaften/EXCISS GitHub Wiki
There are many ways to disassemble a movie file into separate images.
The command line tool "avconv" can do this job. It runs in Linux and MacOS and there even seems to be a Windows version. Only Linux (Raspbian) and Mac have been tested so far.
Raspbian: sudo apt install libav-tools
Mac: Install via brew or MacPorts
avconv -i <inputfile> -f image2 %06d.png
The %06d.png creates PNG images with the names
000001.png, 000002.png, ...