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

A Wavelet Based Robust Logo Watermarking Algorithm for Digital Content Protection


Tae-Jung Kim, Jae-Ho Hwang, Choong-Seon Hong, Journal of Internet Computing and Services, Vol. 9, No. 1, pp. 33-42, Feb. 2008
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Keywords: Digital watermarking, wavelet transform, logo, copyright protection

Abstract

Due to the advantage of wavelet transform such as the compatibility with JPEG2000, multi-resolution decomposition, and application of HVS(Human Visual System), watermarking algorithm based on wavelet transform (DWT) is recently mast interesting research subject. However, mast of researches are focused on theoretical aspects for the robustness rather than practical usage, and. may be not suitable too much complicated to use in practice. In this paper, robust logo watermarking algorithm based on DWT is proposed for large and huge data processing. The proposed method embeds the logo watermark by mapping of $8{\times}8$ blocks in order of the number of '1' of the original image and the randomized watermark image with LFSR. The original image is transformed by 2 level wavelet. The experimental results shows that the watermark is embedded successfully, and the proposed algorithm has the valuable robustness from the image processing like JPEG compression, low pass filter, high pass filter and changes in brightness and contrast.


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Cite this article
[APA Style]
Tae-Jung Kim, Jae-Ho Hwang, & Choong-Seon Hong (2008). A Wavelet Based Robust Logo Watermarking Algorithm for Digital Content Protection. Journal of Internet Computing and Services, 9(1), 33-42.

[IEEE Style]
T. Kim, J. Hwang and C. Hong, "A Wavelet Based Robust Logo Watermarking Algorithm for Digital Content Protection," Journal of Internet Computing and Services, vol. 9, no. 1, pp. 33-42, 2008.

[ACM Style]
Tae-Jung Kim, Jae-Ho Hwang, and Choong-Seon Hong. 2008. A Wavelet Based Robust Logo Watermarking Algorithm for Digital Content Protection. Journal of Internet Computing and Services, 9, 1, (2008), 33-42.