Image protection

Details Image protection Image protection

2007-07-31

2007-07-31

Bali, Vikkram (Department: 2624)

Image analysis

Applications

C713S176000

Reexamination Certificate

active

10319713

ABSTRACT:
A method (100) of marking an image comprising image data and associated metadata, for modification detection, is disclosed. The method (100) encodes the image data to produce encoded image data and hashes the encoded image data to provide a first hash. The first hash is added to the associated metadata to form augmented metadata the associated metadata is hashed to provide a second hash. The second hash is added to the augmented metadata. An association is created between the encoded image data, the first and second hash, and the augmented metadata, thereby marking the image.

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“Secure Spread Spectrum Watermarking For Images, Audio And Video”, Ingemar J. Cox et al. , IEEE Int'l. Conf. on Image Processing (ICIP'96), vol. 3, pp. 243-246, 1996.
“A Robust Image Authentication Method Distinguishing JPEG Compression from Malicious Manipulation”, Ching-Yung Lin et al., IEEE Trans. on Circuits And Systems For Video Technology, Feb. 2001, pp. 153-168.
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MPEG 4 International Standard, published as ISO/IEC 14496:2001.
Ching-Yung Lin et al., “A Robust Image Authentication Method Distinguishing JPEG Compression from Malicious Manipulation”, IEEE Transactions on Circuits and Systems of Video Technology, vol. 11, Nos. 2, Feb. 2001; pp. 153-168.

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