The Journal of the Convergence on Culture Technology (문화기술의 융합)

The International Promotion Agency of Culture Technology (국제문화기술진흥원)
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Color Image Watermarking Technique using Adjacent Pixels and Spatial Encryption Technique

인접 픽셀과 공간적 암호화 기법을 사용한 컬러 영상 워터마킹 기법

  • Jung, Soo-Mok (Division of Computer Science & Engineering, Sahmyook Univ)
  • Received : 2021.10.31
  • Accepted : 2021.11.08
  • Published : 2021.11.30
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Abstract

In this paper, in order to hide the watermark in the LSB of the color image, a color image watermarking technique with high security is proposed by using the adjacent pixels of the image and the spatial encryption technique. According to the technique proposed in this paper, the quality of the stego-image generated by hiding the watermark in the LSB of the color image is so excellent that the difference from the original image cannot be recognized, and the original watermark can be extracted from the stego-image without loss. If the watermark is hidden in the image using the proposed technique, the security of the watermark is maintained very high because the watermark hidden in the stego-image is multi-encrypted. The proposed watermarking technique can be used in applications such as military and intellectual property protection that require high security.

본 논문에서는 컬러 영상의 LSB에 워터마크를 은닉하기 위하여 영상의 인접 픽셀들과 공간적 암호화 기법을 사용하여 보안성이 높은 컬러 영상 워터마킹 기법을 제안하였다. 본 논문에서 제안된 기법에 따라 컬러 영상의 LSB에 워터마크를 은닉하여 생성된 스테고 이미지의 화질은 원본 영상과 차이를 인지할 수 없을 정도로 매우 우수하고, 스테고 이미지로부터 원본 워터마크를 손실 없이 추출할 수 있다. 제안 기법을 사용하여 영상에 워터마크를 은닉하면 스테고 이미지에 은닉되어있는 워터마크는 다중으로 암호화되어있기 때문에 워터마크의 보안성이 매우 우수하게 유지된다. 제안된 워터마킹 기법은 높은 보안이 요구되는 군사, 지적 재산권 보호 등의 응용에 사용될 수 있다.

Keywords

References

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