Watermark decoding from streaming media
First Claim
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1. An apparatus comprising:
- memory configured to buffer streaming content representing a media signal;
one or more processors configured to;
select certain portions of the buffered streaming content based on predetermined criteria, wherein the predetermined criteria comprises one of signal energy or color information;
detect steganographic indicia from selected portions of streaming content; and
carry out an action based at least in part on detection of the steganographic indicia.
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Abstract
This patent document details, e.g., claims and systems for watermark decoding from streaming media signals. One claim recites an apparatus comprising: electronic memory for buffering a streaming media signal; one or more electronic processors programmed for: ranking buffered portions of the media signal in terms of their ability to hide steganographic indicia; detecting steganographic indicia from relatively higher-ranked portions of the streaming media signal before attempting to detect from relatively lower-ranked portions; and carrying out an action based at least in part on detection of the steganographic indicia. Of course, other claims and disclosure are provided too.
232 Citations
23 Claims
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1. An apparatus comprising:
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memory configured to buffer streaming content representing a media signal; one or more processors configured to; select certain portions of the buffered streaming content based on predetermined criteria, wherein the predetermined criteria comprises one of signal energy or color information; detect steganographic indicia from selected portions of streaming content; and carry out an action based at least in part on detection of the steganographic indicia. - View Dependent Claims (2, 3, 4, 5, 6, 7, 16)
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8. An apparatus comprising:
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memory configured to buffer a streaming media signal; one or more processors configured to; rank buffered portions of the media signal in terms of their ability to hide steganographic indicia; detect steganographic indicia from relatively higher-ranked portions of the streaming media signal before attempting to detect from relatively lower-ranked portions; and carry out an action based at least in part on detection of the steganographic indicia. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 17)
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18. A method comprising:
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buffering streaming content representing a media signal; selecting, using a processor, certain portions of the buffered streaming content based on predetermined criteria, wherein the predetermined criteria comprises one of signal energy or color information; detecting steganographic indicia from selected portions of streaming content; and carrying out an action based at least in part on detection of the steganographic indicia. - View Dependent Claims (19, 20, 21, 22, 23)
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Specification