Robust Watermarking Method for Color Images using DCT Coefficients of Watermark

Dr. R. Eswaraiah; E.Sreenivasa Reddy

Robust Watermarking Method for Color Images using DCT Coefficients of Watermark

Dr. R. Eswaraiah * §

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E.Sreenivasa Reddy

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§ Vasireddy Venkatadri Institute of Technology

Robust Watermarking Method for Color Images using DCT Coefficients of Watermark

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CST22H47

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Abstract

Digital technologies are playing a vital role in the present communication system. This paper presents a robust and secure watermarking method to protect the copyright information of multimedia objects. In the proposed method, Discrete Wavelet Transform and Discrete Cosine Transform are applied on the cover image and then Discrete Cosine Transform coefficients of watermark image are embedded into transformed cover image. The experimental result shows the performance evaluation of the proposed method by the quality metrics as PSNR for watermarked image and NC for extracted watermark image and we have compared the results with the existing transformation methods in frequency domain based on attacks.

References

6 Cites in Article

Reference Format

Manik Mondal,Debalina Barik (2012). Spatial domain robust watermarking scheme for color image.
L Baisa,Gunjal,N Suresh,Mali (2012). Strongly robust and highly secured DWT-SVD based color image watermarking: embedding data in all Y, U, V color spaces.
Zheng Chaomei,Li Yuan (2011). A blind watermarking algorithm based on DCT for dual color images.
N Dharwadkar,B Amberker,A Gorai (2011). Non-blind watermarking scheme for color images in RGB space using DWT-SVD.
Li Cheng-Qun Yin,An-Qiang Li,Li Lv,Qu (2007). Color image watermarking algorithm based on DWT-SVD.
Guo Chengqing,Guoai Xu,Xinxin Niu,Yixian Yang,Yang Li A color image watermarking algorithm resistant to Print-Scan.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. R. Eswaraiah, E.Sreenivasa Reddy. 2012. "Robust Watermarking Method for Color Images using DCT Coefficients of Watermark". Global Journal of Computer Science and Technology - F: Graphics & Vision GJCST-F Volume 12 (GJCST Volume 12 Issue F12).

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GJCST Volume 12 Issue F12

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Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

Keywords

Discrete Cosine Transform (DCT)Discrete Wavelet Transform (DWT)NC (Normalized Correlation)PSNR(Peak Signal to Noise Ratio)

Classification

GJCST-F Classification I.4.0

Submission ReceivedFebruary 12, 2012
Peer Review Double Blind
Handling Editor
Accepted March 3, 2012
Published March 15, 2012

Version of record

v1.2

Issue date

August 20, 2012

Language

English

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Article Matrices

Total Score: 147

Country: India

Subject: Global Journal of Computer Science and Technology

Authors: Dr. R. Eswaraiah, E.Sreenivasa Reddy (PhD/Dr. count: 1)

View Count (all-time): 327

Total Views (Real + Logic): 2211

Total Downloads (simulated): 200

Publish Date: 2012 03, Thu

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Total Views: 2.2K

Total Downloads: 200

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