Robust watermarking based on time-spread echo method with subband decomposition

Byeong Seob Ko; Ryouichi Nishimura; Yôiti Suzuki

Robust watermarking based on time-spread echo method with subband decomposition

Byeong Seob Ko, Ryouichi Nishimura, Yôiti Suzuki

Research output: Contribution to journal › Article › peer-review

Abstract

A robust watermarking scheme based on the time-spread echo method is proposed in this letter. The embedding process is achieved by subband decomposition of a host signal and by controlling the amount of distortion, i.e., power of watermark, of each subband according to the Signal to Mask Ratio (SMR) calculated from MPEG psychoacoustic model. The decoding performance and robustness of the proposed method were evaluated.

Original language	English
Pages (from-to)	1647-1650
Number of pages	4
Journal	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Volume	E87-A
Issue number	6
Publication status	Published - 2004 Jun
Externally published	Yes

Keywords

Digital audio watermarking
Signal to mask ratio
Subband decomposition
Time-spread echo

ASJC Scopus subject areas

Signal Processing
Computer Graphics and Computer-Aided Design
Electrical and Electronic Engineering
Applied Mathematics

Cite this

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title = "Robust watermarking based on time-spread echo method with subband decomposition",

abstract = "A robust watermarking scheme based on the time-spread echo method is proposed in this letter. The embedding process is achieved by subband decomposition of a host signal and by controlling the amount of distortion, i.e., power of watermark, of each subband according to the Signal to Mask Ratio (SMR) calculated from MPEG psychoacoustic model. The decoding performance and robustness of the proposed method were evaluated.",

keywords = "Digital audio watermarking, Signal to mask ratio, Subband decomposition, Time-spread echo",

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AU - Nishimura, Ryouichi

AU - Suzuki, Yôiti

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N2 - A robust watermarking scheme based on the time-spread echo method is proposed in this letter. The embedding process is achieved by subband decomposition of a host signal and by controlling the amount of distortion, i.e., power of watermark, of each subband according to the Signal to Mask Ratio (SMR) calculated from MPEG psychoacoustic model. The decoding performance and robustness of the proposed method were evaluated.

AB - A robust watermarking scheme based on the time-spread echo method is proposed in this letter. The embedding process is achieved by subband decomposition of a host signal and by controlling the amount of distortion, i.e., power of watermark, of each subband according to the Signal to Mask Ratio (SMR) calculated from MPEG psychoacoustic model. The decoding performance and robustness of the proposed method were evaluated.

KW - Digital audio watermarking

KW - Signal to mask ratio

KW - Subband decomposition

KW - Time-spread echo

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ER -

Robust watermarking based on time-spread echo method with subband decomposition

Abstract

Keywords

ASJC Scopus subject areas

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