• Journal of Internet Computing and Services
    ISSN 2287 - 1136(Online) / ISSN 1598 - 0170 (Print)
    http://jics.or.kr/

Incremental Watermarking using Complex Wavelet Transform


Lee Na-Young, Kim Won, Kim Kwan-Jung, Kim Gye-Young, Journal of Internet Computing and Services, Vol. 4, No. 3, pp. 39-46, Jun. 2003
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Keywords: copyright protection, digital watermarking technique, complex wavelet transform, geometric distortion

Abstract

Generally, the existing watermarking techniques for copyright protection of a digital image are fragile in geometric distortion and all watermark extractions need the same time regardless of degree of distortion. In this paper, we propose the incremental watermarking technique that used a Complex Wavelet Transform(CWT) in order to solve these problems. The proposed incremental watermarking technique embeds a watermark in a phase component after a CWT with an original image, and a watermark is extracted from an watermarked image by stages. A watermark owner can insist on copyright of an image after comparing a correlation between the extracted watermark and the original watermark if it is larger than the threshold. Also, the incremental watermark extraction determines the extraction time of a watermark by the level of distortion. The proposed technique through performance evaluation displayed that it was robust in geometric distortion than the existing watermarking technique.


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Cite this article
[APA Style]
Lee Na-Young, Kim Won, Kim Kwan-Jung, & Kim Gye-Young (2003). Incremental Watermarking using Complex Wavelet Transform. Journal of Internet Computing and Services, 4(3), 39-46.

[IEEE Style]
L. Na-Young, K. Won, K. Kwan-Jung and K. Gye-Young, "Incremental Watermarking using Complex Wavelet Transform," Journal of Internet Computing and Services, vol. 4, no. 3, pp. 39-46, 2003.

[ACM Style]
Lee Na-Young, Kim Won, Kim Kwan-Jung, and Kim Gye-Young. 2003. Incremental Watermarking using Complex Wavelet Transform. Journal of Internet Computing and Services, 4, 3, (2003), 39-46.