1. A processor-implemented method for controlling access to an electronic media device, comprising the processor-implemented steps of: tracking a body of a person in a field of view of a camera, including determining a model of the body; determining at least one metric of the body, based on the model; estimating an age group of the person based on the at least one metric; and based on the estimated age group, updating a profile of the user at the electronic media device with one or more parental control settings.