METHODS AND APPARATUS FOR INDIRECT ILLUMINATION IN ELECTRONIC MEDIA RATING SYSTEMS
First Claim
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1. A method for improving accuracy in detecting an audience member, comprising:
- reflecting infrared light off of a room ceiling to indirectly illuminate the audience member;
receiving reflections of the indirect illumination off of the audience member;
blocking visible light prior to receiving the reflections of the indirect illumination off of the audience member; and
processing the received reflections to detect the audience member.
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Abstract
Methods and apparatus for indirect illumination in electronic media rating systems are disclosed. A disclosed example method includes reflecting infrared light off of a room ceiling to indirectly illuminate the audience member, receiving reflections of the indirect illumination off of the audience member, blocking visible light prior to receiving the reflections of the indirect illumination off of the audience member, and processing the received reflections to detect the audience member.
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Citations
6 Claims
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1. A method for improving accuracy in detecting an audience member, comprising:
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reflecting infrared light off of a room ceiling to indirectly illuminate the audience member; receiving reflections of the indirect illumination off of the audience member; blocking visible light prior to receiving the reflections of the indirect illumination off of the audience member; and processing the received reflections to detect the audience member. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification