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Abstract: : In this paper we describe an algorithm for robust extraction of bits from image blocks and a method for synthesizing a Gaussian pseudo-random sequence from those bits. The bits are extracted by thresholding projections onto random smooth patterns generated from a user-specified key. The extracted bits are further utilized to synthesize a Gaussian pseudo-random sequence that changes continuously with the image block yet depends sensitively on the secret key. The proposed technique is quite... (Update)
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BibTeX entry: (Update)
Jiri Fridrich. Robust bit extraction from images. ICMCS'99, June 1999. http://citeseer.ist.psu.edu/article/fridrich99robust.html More
@inproceedings{ fridrich99robust,
author = "Jiri Fridrich",
title = "Robust Bit Extraction from Images",
booktitle = "{ICMCS}, Vol. 2",
pages = "536-540",
year = "1999",
url = "citeseer.ist.psu.edu/article/fridrich99robust.html" }
Citations (may not include all citations):47 Some general methods for tampering with watermarks - Cox, Linnartz - 1998
42 Public watermarks and resistance to tampering - Cox, Linnartz - 1997
20 Image Watermarking for Tamper Detection - Fridrich - 1998
15 Data Hiding for Video in Video (context) - Swanson, Zhu et al.
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