Journal of the Institute of Electronics Engineers of Korea SP (대한전자공학회논문지SP)

The Institute of Electronics and Information Engineers (대한전자공학회)
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An LBX Interleaving Watermarking Method with Robustness against Image Removing Attack

영상제거 공격에 강인한 LBX 인터리빙 워터마킹 방법

  • Published : 2004.11.01
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Abstract

The rapid growth of digital media and communication networks has created an urgent need for self-contained data identification methods to create adequate intellectual property right(IPR) protection technology. In this paper we propose a new watermarking method that could embed the gray-scale watermark logo in low frequency coefficients of discrete wavelet transform(DWT) domain as the marking space by using our Linear Bit-eXpansion(LBX) interleaving of gray-scale watermark, to use lots of watermark information without distortion of watermarked image quality and particularly to be robust against attack which could remove a part of image. Experimental results demonstrated the high robustness in particular against attacks such as image cropping and rotation which could remove a part of image.

디지털 미디어와 통신 네트워크의 급속한 발전으로 적절한 지적소유권(IPR) 보호 기술인 데이터 인증방법에 대한 필요성이 절실히 요구되고 있다. 본 논문에서는 정보량이 많은 워터마크를 삽입하여도 워터마크가 삽입된 영상의 화질을 열화시키지 않고, 특히 영상의 일부가 제거되는 공격에서 강인성을 갖기 위해, 제안한 선형비트확장(LBX) 인터리빙을 이용하여 마킹 공간인 이산 웨이브렛 변환(DWT)영역의 자주파수 계수에 그레이스케일 워터마크 로고를 삽입하는 새로운 영상 워터마킹 기술을 제안하였다. 실험결과 영상절단과 영상회전 등과 같은 영상의 일부가 제거되는 공격에 대해서 특히 높은 강인성을 가짐을 검증하였다.

Keywords

References

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