There is probably a name for this kind of "taking a 2D image, separating it into 2d cutouts, and panning with parallax". It's an effect that's been around for a while (hand done, not automated as you have it) but it's never been referred to as a "Ken Burns Effect"

Googling "How to make a parallax video from 2d pictures" brings up lots of tutorials, none of which mentions "Ken Burns Effect"

https://www.google.com/search?q=how+to+make+parallax+video+f...

Conversly searching for "How to make the Ken Burns Effect" will show that it's not the same effect your software makes

https://www.google.com/search?q=how+make+the+ken+burns+effec...