A method for detecting a face in a mid-shot digital image of a person comprises capturing first and second mid-shot digital images of nominally the same scene using different capture settings such that the foreground is differently differentiated from the background in each image, and comparing the first...http://www.google.com.au/patents/US20090196466?utm_source=gb-gplus-sharePatent US20090196466 - Face Detection in Mid-Shot Digital Images
