| http://www.w3.org/ns/prov#value | - The system of claim 1, wherein said light pulses are modulated to represent a first logical value or a second logical value so that the digital identities are a sequence of N logical values, where N is a positive integer and 2N total light point devices are identifiable, and wherein said processing circuitry is operable to synchronize said light pulses with image frames so as to recognize said dig
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