The image sets are sampled frames from the video. We provide it because many off-the-shelf reconstruction systems cannot directly take videos as input. For beginners, start with image sets. You can also refer to this tutorial page for instructions on how to setup a workable system. For advanced users, please work with the videos since they are the raw 4K videos we captured with a high end camera.
The python scripts run on Python 2.7 or 3.x. Older versions of python are not supported. For python 2.7, the requests package is needed. You can install it with the following command:
sudo pip install requests