If you ever have wondered if there was a super-easy way to add some dimension to photos in After Effects using a camera move… Well yes, there is — Displacements.
how to quickly add visual value and dimensionality to pictures inside of Adobe After Effects
Instead of delicately cutting images out and fixing the background, you can easily create a dynamic animation by using displacements instead.
Here, Motion Array shows how you can easily create a great looking animation on 2D elements that have the appearance of 3D.
This is done by using displacements in After Effects that will make the image take on a 3d look.
Creating a mask to create a black and white (or greyscale) image that can be used to drive the displacement, offers a super quick way to add a subtle camera move to images.