Patent ID: 9489745
Filing Date: 2016-11-08
CPC Classification: G06K,G06T,H04N

Claim Text:
1. A method of recomputing zones for a scene, comprising: at a computing device having one or more processors, and memory storing one or more programs configured for execution by the one or more processors: receiving a first plurality of images of a scene captured by an array of image sensors of a camera system at a first time, wherein each of the first plurality of images is captured when a different subset of illuminators of the camera system are emitting light; receiving designation from a user of a zone within a first image of the first plurality of images; receiving a second plurality of images of the scene captured by the array of image sensors at a second time that is after the first time, wherein each of the second plurality of images is captured when a different subset of illuminators of the camera system are emitting light; building a first depth map of the scene using the first plurality of images; building a second depth map of the scene using the second plurality of images; comparing points in the first depth map to points in the second depth map to identify movement of the camera; and notifying the user about a change to the zone when the camera has moved.