A Robust Blind Quantum Copyright Protection Method for Colored Images Based on Owner's Signature

作者：Heidari Shahrokh; Gheibi Reza; Houshmand Monireh^*; Nagata Koji

来源：International Journal of Theoretical Physics, 2017, 56(8): 2562-2578.

DOI：10.1007/s10773-017-3412-9

• Quantum image processing
• Blind quantum copyright protection
• Quantum colored Image
• Quantum signature

Watermarking is the imperceptible embedding of watermark bits into multimedia data in order to use for different applications. Among all its applications, copyright protection is the most prominent usage which conceals information about the owner in the carrier, so as to prohibit others from assertion copyright. This application requires high level of robustness. In this paper, a new blind quantum copyright protection method based on owners's signature in RGB images is proposed. The method utilizes one of the RGB channels as indicator and two remained channels are used for embedding information about the owner. In our contribution the owner's signature is considered as a text. Therefore, in order to embed in colored image as watermark, a new quantum representation of text based on ASCII character set is offered. Experimental results which are analyzed in MATLAB environment, exhibit that the presented scheme shows good performance against attacks and can be used to find out who the real owner is. Finally, the discussed quantum

• 出版日期2017-8