Mark-based content modulation and detection

Details Mark-based content modulation and detection Mark-based content modulation and detection

2005-06-14

2010-02-16

Wong, Allen (Department: 2621)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C375S240000, C375S240120

Reexamination Certificate

active

07664175

ABSTRACT:
A method for modulating mark (20) within content signal (18) that has frames, where each of the frames has content lines and one or more measurable parameters, where each of the content lines has pixels, and where each of the pixels has a value, the method comprising selecting framesets from among the frames of the content signal; modulating at least two of the framesets; and causing mark (20) to be present within content signal (18) by at least modulating at least two of the framesets.

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