1. An apparatus, comprising: an illumination unit configured to simultaneously illuminate a first portion of a scene with unstructured light and a second portion of the scene with structured light; and a digital image capture unit including a rolling shutter and configured to capture at least one image frame of the scene illuminated by the illumination unit, and wherein the illumination unit is configured to selectively adjust illumination of the scene based on a position of the rolling shutter to illuminate a region of interest of the scene with higher power than the rest of the scene by operating the illumination unit at a first, higher power setting responsive to an exposure of the rolling shutter being within the region of interest and by operating the illumination unit at a second, reduced power setting responsive to an exposure of the rolling shutter being outside the region of interest.