DCT and DWT-based image watermarking by using subsampling

Min-Jen Tsai; Hsiao Ying Hung

doi:10.1109/ICDCSW.2004.1284029

DCT and DWT-based image watermarking by using subsampling

Min-Jen Tsai^*, Hsiao Ying Hung

^*Corresponding author for this work

Institute of Information Management

Research output: Contribution to conference › Paper › peer-review

30 Scopus citations

Abstract

A subsampling based watermarking scheme has been investigated for digital images in this study. The algorithm utilizes the wavelet multi-resolutional structure and subsamples the individual subband coefficients in order to embed the watermark information respectively. The extracting procedure reverses the embedding operations without the reference of the original image and provides a better copyright protection scheme. Compared with the similar approach by discrete cosine transform based approach, the wavelet based algorithm apparently preserves superior image quality and robustness under various attacks.

Original language	English
Pages	184-189
Number of pages	6
DOIs	https://doi.org/10.1109/ICDCSW.2004.1284029
State	Published - Mar 2004
Event	Proceedings - 24th International Conference on Distributed Computing Systems Workshops - Hachioji, Japan Duration: 23 Mar 2004 → 24 Mar 2004

Conference

Conference	Proceedings - 24th International Conference on Distributed Computing Systems Workshops
Country/Territory	Japan
City	Hachioji
Period	23/03/04 → 24/03/04

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10.1109/ICDCSW.2004.1284029

Cite this

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title = "DCT and DWT-based image watermarking by using subsampling",

abstract = "A subsampling based watermarking scheme has been investigated for digital images in this study. The algorithm utilizes the wavelet multi-resolutional structure and subsamples the individual subband coefficients in order to embed the watermark information respectively. The extracting procedure reverses the embedding operations without the reference of the original image and provides a better copyright protection scheme. Compared with the similar approach by discrete cosine transform based approach, the wavelet based algorithm apparently preserves superior image quality and robustness under various attacks.",

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AB - A subsampling based watermarking scheme has been investigated for digital images in this study. The algorithm utilizes the wavelet multi-resolutional structure and subsamples the individual subband coefficients in order to embed the watermark information respectively. The extracting procedure reverses the embedding operations without the reference of the original image and provides a better copyright protection scheme. Compared with the similar approach by discrete cosine transform based approach, the wavelet based algorithm apparently preserves superior image quality and robustness under various attacks.

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DO - 10.1109/ICDCSW.2004.1284029

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DCT and DWT-based image watermarking by using subsampling

Abstract

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