Steganographic decoding with transform to spatial domain
First Claim
Patent Images
1. A method of decoding information steganographically encoded within an image, the method including:
- receiving a set of input data that represents the image in the pixel domain; and
performing a domain transformation on the input data to produce transformed data that represents the image in a different domain.
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Abstract
To decode information that is steganographically encoded (“watermarked”) within an image, the image is first transformed into another domain. A variety of techniques can then be applied in furtherance of the decoding operation.
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Citations
10 Claims
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1. A method of decoding information steganographically encoded within an image, the method including:
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receiving a set of input data that represents the image in the pixel domain; and
performing a domain transformation on the input data to produce transformed data that represents the image in a different domain. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification