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A New Hybrid Watermarking Algorithm for Images in Frequency Domain

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Author(s): Atiya Zahed‎ | AhmadReza Naghsh-Nilchi

Journal: Majlesi Journal of Electrical Engineering
ISSN 2008-1413

Volume: 2;
Issue: 1;
Start page: 37;
Date: 2008;
Original page

Keywords: Watermarking | DCT | DWT | JPEG | Cropping | Scaling | Blind Extraction.

ABSTRACT
In recent years, digital watermarking has become a popular technique for digital images by hiding secret information which can protect the copyright. The goal of this paper is to develop a hybrid watermarking algorithm. This algorithm used DCT coefficient and DWT coefficient to embedding watermark, and the extracting procedure is blind. The proposed approach is robust to a variety of signal distortions, such as JPEG, image cropping and scaling.
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