Internship project for identifying slides in a video.

I'm trying to switch careers to data science and luckily I got an internship in a good company which will be converted to a full time job after three months based on performance.
Currently a task is there where we have to identify in a video if presentation slides are present and then take the screenshot of those slides. I looked into the basics of object recognition using opencv. But proceeding further I think I'll need a lot of data …

datascience internship project slides video