Quantum color image watermarking scheme based on quantum discrete cosine transform
Zhen-Zhen Li,
Ya-Jing Li,
Zhao Zhang
et al.
Abstract:Quantum watermarking is a technique that embeds specific informationinto a quantum carrier, used for digital copyright protection. This paper introducesa new quantum color image watermarking method that combines Quantum LOG(QLOG) edge detection with Quantum Discrete Cosine Transform (QDCT) technology.First, edge detection is used on the RGB channels of the quantum color image. Thishelps identify the best channel for embedding the watermark. Next, the image isdecomposed using the quantum Haar wavelet transform … Show more
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