1. A method comprising: accessing a plurality of images synchronously captured from by a multi-camera array; combining the plurality of images to form a combined image; determining a first plurality of zones for the combined image, each zone of the first plurality of zones encompassing a portion of the combined image, wherein no two zones of the first plurality of zones overlap; and for each of the plurality of zones, performing an image processing operation on all portions of the plurality of images corresponding to the zone.