The generated depth map (a black-and-white representation where brighter pixels are closer) can be used for several high-end VFX tasks:

: Easily add fog, haze, or smoke that only affects distant parts of the scene.

: Transform still photos or standard video into stereoscopic 3D or 3D-parallax animations.

The plugin is available on the aescripts + aeplugins marketplace. Depth Scanner 2 - aescripts.com

: Data stays on your machine; no cloud upload required.

: Significantly faster than manual rotoscoping for simple isolations.