| http://www.w3.org/ns/prov#value | - The method of claim 34, 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 imaged frames are synchronized with said light pulses to recognize said digital identities by considering any set o
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