Method and apparatus for embedding auxiliary information within original data
First Claim
1. A method comprising:
- transmarking a media signal by acts of;
detecting a first digital watermark in the media signal, the media signal being embedded with the first digital watermark using a first digital watermark embedding method;
embedding detected message information from the first digital watermark into a second digital watermark in the media signal before the media signal undergoes a transformation process such that the second digital watermark is adapted to survive the transformation process.
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Abstract
The present invention relates generally to embedding and/or encoding auxiliary information within original data. For example, in one embodiment, a method of embedding auxiliary information in data is provided. The auxiliary information is not lost with compression of the embedded data. The embedded data initially includes a non-compressed form including the auxiliary information embedded therein. The method includes: (a) retrieving the auxiliary information from the non-compressed form of the embedded data; (b) compressing the non-compressed form of the embedded data; and (c) embedding the retrieved auxiliary information in the compressed embedded data, whereby the compressed embedded data comprises the auxiliary information embedded therein. Other embodiments are provided and claimed as well.
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Citations
20 Claims
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1. A method comprising:
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transmarking a media signal by acts of; detecting a first digital watermark in the media signal, the media signal being embedded with the first digital watermark using a first digital watermark embedding method; embedding detected message information from the first digital watermark into a second digital watermark in the media signal before the media signal undergoes a transformation process such that the second digital watermark is adapted to survive the transformation process. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of transmarking a media signal previously embedded with a first digital watermark using a first digital watermark embedding method, comprising:
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detecting the first digital watermark in the media signal; converting the media signal to a different format; embedding detected message information from the first digital watermark into a second digital watermark in the converted media signal such that the second digital watermark is adapted to robustness or perceptibility parameters associated with the new format. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A transmarker for transmarking a media signal previously embedded with a first digital watermark using a first digital watermark embedding method, comprising:
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means for detecting the first digital watermark in the media signal; means for embedding detected message information from the first digital watermark into a second digital watermark in the media signal before the media signal undergoes a transformation process such that the second digital watermark is adapted to survive the transformation process.
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20. A transmarker for transmarking a media signal previously embedded with a first digital watermark using a first digital watermark embedding method, comprising:
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means for detecting the first digital watermark in the media signal; means for converting the media signal to a different format; means for embedding detected message information from the first digital watermark into a second digital watermark in the converted media signal such that the second digital watermark is adapted to robustness or perceptibility parameters associated with the new format.
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Specification