1. A method comprising: establishing, by an image server comprising a processor, an identification of a person depicted in a first digital image based on a first portion of the person being depicted in the first digital image; generating, by the image server, a confidence level associated with the identification; confirming, by the image server, the identification of the person depicted in the first digital image based on: a same geographic location being depicted in the first digital image and a second digital image, the geographic location determined by the image server based on environmental features identified by the image server in the first digital image and the second digital image; and the second digital image depicting a second portion of the person; and increasing, by the image server, the confidence level associated with the identification based on the confirming.