1. A digital camera, comprising: a body; an image sensor in the body; a lens configured to focus a scene onto the image sensor; a communications interface in the body; an image processor coupled to receive an image from or to send an image to the communications interface; and executable program code embodied in a computer readable medium and configured to cause the image processor to: process image data associated with a first facial area in a first image to determine a first data set of parameters associated with the first facial area; scan one or more subsequent images stored in memory accessible by the image processor; identify facial areas in the subsequent images and process image data associated with identified facial areas in the subsequent images to determine subsequent data sets of parameters associated with identified facial areas; and compare the first and subsequent data sets to determine whether the one or more subsequent images includes a same face as the face highlighted in the first image.