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has been cited by the following article:

• TITLE: A New Robust Color Image Watermarking Scheme Based on 3D-DCT

  AUTHORS: Xiangguang Xiong

  KEYWORDS: Color Image Watermarking, Three Dimensional Discrete Cosine Transform (3D-DCT), Quantitative Method, Robustness

  JOURNAL NAME: World Journal of Engineering and Technology, Vol.3 No.3C, October 23, 2015

  ABSTRACT: In this paper, for color image copyright protection application, a new and blind color image watermarking algorithm based on quantitation method in three dimensional discrete cosine transform (3D-DCT) is proposed. Firstly, the original RGB color image is divided into non-overlapping blocks sized 8 × 8 × 3, and then performs 3D-DCT transform on each block. Secondly, embed a bit watermarking signal into each block’s 3D-DCT direct-current (DC) coefficient by quantization method. The results show that the proposed scheme has very good imperceptibility and robustness against the common image processing attacks. Compared with similar algorithm, the proposed scheme has better robustness performance for most attacks.