Patent ID: 8666790

Claim:
A method to generate and analyze shopper view data in a shopping environment, comprising: in a correlation phase, computing a probability ellipse demarcating a percentage of focus within the probability ellipse in a field of view of an eye camera based on test subject eye measurements; in a measurement phase, capturing an image of a view from the eye camera, the eye camera being mounted on a shopper's head, directed in an orientation of the shopper's head, and pointed in a direction of a line of sight of the shopper to image what the shopper sees; measuring a head orientation of the shopper's head using a head orientation sensor; measuring a position of the shopper using a position tracking sensor; and in an analysis phase, for one or more shopper paths, for each of a plurality of shopper positions in the shopper path, determining an estimated field of view of the shopper based on the computed probability ellipse, captured image data, and the measured orientation of the shopper's head.