System and method for secure watermarking of a digital image sequence
First Claim
1. A system for securely embedding a watermark representing message data into movie data consisting of one or more frames of a digital image sequence, and displaying one or more frames of the digital image sequence containing the embedded watermark, comprising:
- means for providing a secure environment;
means for combining the movie data with the watermark within the secure environment to produce watermarked movie data; and
means for forming a displayed image from the watermarked movie data within the secure environment.
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Abstract
A system and method for securely embedding a watermark representing message data into movie data consisting of one or more frames of a digital image sequence, and displaying one or more frames of the digital image sequence containing the embedded watermark, includes providing a secure environment; combining the movie data with the watermark within the secure environment to produce watermarked movie data; and forming a displayed image from the watermarked movie data within the secure environment.
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Citations
40 Claims
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1. A system for securely embedding a watermark representing message data into movie data consisting of one or more frames of a digital image sequence, and displaying one or more frames of the digital image sequence containing the embedded watermark, comprising:
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means for providing a secure environment;
means for combining the movie data with the watermark within the secure environment to produce watermarked movie data; and
means for forming a displayed image from the watermarked movie data within the secure environment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for securely embedding watermark information in one or more frames of a digital image sequence, comprising:
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a) means for providing a secure environment;
b) means for generating a watermark key for one or more frames in the digital image sequence within the secure environment;
c) means for generating a watermark message for one or more frames in the digital image sequence within the secure environment;
d) means for generating a watermark pattern for one or more frames using the corresponding watermark key and watermark message within the secure environment; and
e) means for combining the watermark pattern with the corresponding frame of the digital image sequence within the secure environment. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method for securely embedding a watermark representing message data into movie data consisting of one or more frames of a digital image sequence, and displaying one or more frames of the digital image sequence containing the embedded watermark, comprising the steps of:
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providing a secure environment;
combining the movie data with the watermark within the secure environment to produce watermarked movie data; and
forming a displayed image from the watermarked movie data within the secure environment. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A method for securely embedding watermark information in one or more frames of a digital image sequence, comprising the steps of:
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a) providing a secure environment;
b) generating a watermark key for one or more frames in the digital image sequence within the secure environment;
c) generating a watermark message for one or more frames in the digital image sequence within the secure environment;
d) generating a watermark pattern for one or more frames using the corresponding watermark key and watermark message within the secure environment; and
e) combining the watermark pattern with the corresponding frame of the digital image sequence within the secure environment. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification