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An Image Watermarking Method for Embedding Copyrighter's Audio Signal  

Choi Jae-Seung (경북대학교 디지털기술연구소)
Kim Chung-Hwa (조선대학교 전자공학과)
Koh Sung-Shik (일본 오사카시립대학 공학연구과)
Publication Information
The Journal of the Acoustical Society of Korea / v.24, no.4, 2005 , pp. 202-209 More about this Journal
Abstract
The rapid development of digital media and communication network urgently brings about the need of data certification technology to protect IPR (Intellectual property right). This paper proposed a new watermarking method for embedding owner's audio signal. Because this method uses an audio signal as a watermark to be embedded, it is very useful to claim the ownership aurally. And it has the advantage of restoring audio signal modified and especially removed by image removing attacks by applying our LBX(Linear Bit-expansion) interleaving. Three basic stages of our watermarking include: 1) Encode . analogue owner's audio signal by PCM and create new digital audio watermark, 2) Interleave an audio watermark by our LBX; and 3) Embed the interleaved audio watermark in the low frequency band on DTn (Discrete Haar Wavelet Transform) of image. The experimental results prove that this method is resistant to lossy JPEG compression as standard image compression and especially to cropping and rotation which remove a part of Image.
Keywords
Audio signal; Image watermarking; LBX Interleaving; Wavelet transform; robustness;
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Times Cited By KSCI : 1  (Citation Analysis)
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