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中文摘要：
为了提高量子彩色图像的存储效率,提出一种新的量子彩色图像描述方法.在该方法中,像素的位置信息采用多比特量子系统的基态描述,像素的三基色灰度值信息只采用一个量子比特描述,具体描述为该量子比特的相位.利用这种描述方法,给出量子彩色图像的几种简单操作方法,包括像素三基色灰度值的改变、互换,图像位置翻转、置换,设计一种新的量子图像水印的实现方法.所提出的方法可在将来的量子计算机上执行.经典计算机上的仿真结果验证了该方法的有效性.
英文摘要：
In order to improve the storage efficiency of the quantum color image, a new method of describing quantum color image is proposed.In the proposed method, the positions of the pixels are described by the basis states of a multiqubits system, while the grey value of three primary colors of the pixels are described by the phase of only one qubit.By using this method, several simple operations of the quantum color image are firstly presented, including the change and swap of grey values of three primary colors, and the flip and swap of the positions of the pixels.Then a new method of implementing quantum image watermarking is introduced.The proposed method can run on quantum computers in the future.The simulation results on the classic computer show the effectiveness of the proposed method.
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