Xing Zheng, Yuan Xiaochen, Lam Chan-Tong
Faculty of Applied Sciences, Macao Polytechnic University, Macao, China.
iScience. 2024 Nov 12;27(12):111364. doi: 10.1016/j.isci.2024.111364. eCollection 2024 Dec 20.
As pioneers of next-generation watermarking technologies, quantum methods offer advanced solutions for securing digital text copyright. Quantum text representation is a prerequisite for realizing quantum watermarking. Thus we propose a generalized quantum text representation (GQTR) model for English text. It can accurately represent and retrieve characters, words, and texts. Based on the proposed GQTR, a multi-scale pattern-based quantum text watermarking (MPQTW) scheme is proposed, which embeds multi-scale images into quantum text simultaneously to protect digital text copyrights. To evaluate the scheme, we design various metrics. The quantum circuits for GQTR and MPQTW are designed in detail. Finally, we evaluate the effectiveness and performance of the MPQTW scheme in terms of imperceptibility, robustness, and embedding rate. The results and analysis show that MPQTW has good performance.
作为下一代水印技术的先驱，量子方法为保护数字文本版权提供了先进的解决方案。量子文本表示是实现量子水印的先决条件。因此，我们提出了一种针对英文文本的广义量子文本表示（GQTR）模型。它可以准确地表示和检索字符、单词和文本。基于所提出的GQTR，提出了一种基于多尺度模式的量子文本水印（MPQTW）方案，该方案将多尺度图像同时嵌入到量子文本中以保护数字文本版权。为了评估该方案，我们设计了各种指标。详细设计了GQTR和MPQTW的量子电路。最后，我们从不可感知性、鲁棒性和嵌入率方面评估了MPQTW方案的有效性和性能。结果与分析表明，MPQTW具有良好的性能。
