That work is awesome, but don't they need changes over time in order to achieve the magnification? How would you get changes over time with the plastic pollution in order to view it this way?
Use frames from the same area over a span of time....
What's confusing? There's a picture taken every day.
If you're worried about the time span between the frames, I'm certain that shouldn't matter to the algorithm, it's just more noise and maybe the result takes longer to get..