1. A method of organizing an image collection comprising: a) detecting images in the image collection that contain one or more faces; b) using a feature extractor to extract local features relating to the appearance of a person from each detected face in the image collection and global features related to camera and capture conditions from each corresponding image, wherein global features include at least one of image capture time, geographic information, flash fire information, and camera model; c) determining a set of unique faces by analyzing the local and global extracted features, wherein each face in the set of unique faces is believed to be from a different person than the other faces in the set; and d) displaying the unique faces to a user.