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Hybrid Watermarking Scheme using a Data Matrix and Cryptograph Key  

Jeon, Seong-Goo (강원대학교 제어계측공학과)
Kim, Myung-Dong (강원대학교 전기전자공학부)
Kim, Il-Hwan (강원대학교 전기전자공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers D / v.55, no.9, 2006 , pp. 423-428 More about this Journal
Abstract
In this paper we propose a new watermarking scheme using a data matrix and a cryptograph key. The data matrix of two-dimensional bar codes is a new technology capable of holding relatively large amounts of data compared to the conventional one-dimensional bar code. And a cryptograph key is used to prevent a watermark from malicious attacks. We encoded the copyright information into a data matrix bar code, and it was spread as a pseudo random pattern using the owner key. The experimental results show that the proposed scheme has good quality and is robust to various attacks, such as JPEG compression, filtering and resizing. Also the performance of the proposed scheme is verified by comparing the copyright information with the information which is extracted from the watermark.
Keywords
Two-Dimensional Bar Code; Data Matrix; Cryptograph Key; Copyright Information; Watermarking;
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