Presentation 2003/6/20
On the Evaluation of Wavelet Filter Banks for Wavelet-based Image Watermarking : Case of Correlation-based Watermarking Methods
Akio MIYAZAKI,
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Abstract(in English) The digital watermark technology is now drawing attention as a useful method of protecting copyrights of digital contents such as audio, image, and video. Especially, efficient image watermarking methods have been developed in the DWT (discrete wavelet transform) domain. In the wavelet-based watermarking, similar to the wavelet-based coding, the choice of wavelet filter banks generally affects the performance of watermarking methods. Hence a natural question arises for the wavelet-based watermarking : what is the best wavelet filter bank for use ? In the preceding paper, we have evaluated wavelet filter banks used in the quantization-based watermarking methods theoretically from the viewpoint of the quality of watermarked image and the robustness of watermark, and given a solution to the 'best wavelet filter bank' problem. In this paper, we discuss the 'best wavelet filter bank' problem for the correlation-based watermarking methods with the same approach as in the preceding paper.
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Keyword(in English) digital watermark / correlation-based watermarking / digital image / wavelet / filter bank
Paper # DSP2003-53
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Conference Information
Committee DSP
Conference Date 2003/6/20(1days)
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Registration To Digital Signal Processing (DSP)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) On the Evaluation of Wavelet Filter Banks for Wavelet-based Image Watermarking : Case of Correlation-based Watermarking Methods
Sub Title (in English)
Keyword(1) digital watermark
Keyword(2) correlation-based watermarking
Keyword(3) digital image
Keyword(4) wavelet
Keyword(5) filter bank
1st Author's Name Akio MIYAZAKI
1st Author's Affiliation Faculty of Information Science, Kyushu Sangyo University()
Date 2003/6/20
Paper # DSP2003-53
Volume (vol) vol.103
Number (no) 147
Page pp.pp.-
#Pages 6
Date of Issue