A Watermarking Scheme for Color Image Using Quaternion Discrete Fourier Transform and Tensor Decomposition

To protect the copyright of the color image, a color image watermarking scheme based on quaternion discrete Fourier transform (QDFT) and tensor decomposition (TD) is presented. Specifically, the cover image is partitioned into non-overlapping blocks, and then QDFT is performed on each image block. T...

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Auteurs principaux:	Li Li, Rui Bai, Jianfeng Lu, Shanqing Zhang, Ching-Chun Chang
Format:	Artigo
Langue:	Inglês
Publié:	MDPI AG 2021-05-01
Collection:	Applied Sciences
Sujets:	watermark quaternion discrete Fourier transform (QDFT) tensor decomposition(TD) pseudo-Zernike moments MLS–SVR
Accès en ligne:	https://www.mdpi.com/2076-3417/11/11/5006
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