太原理工大学学报2025，Vol.56Issue(3)：474-484,11.DOI:10.16355/j.tyut.1007-9432.20230483
基于Exponent Fourier矩的双图像水印方法
Two Images Watermarking by using Exponent Fourier Moments
摘要
Abstract
[Purposes]Most of the existing image watermarking schemes are designed to embed the watermark into independent images.Embedding a watermark into two images at one time is sug-gested to improve the efficiency of the watermarking procedure.[Methods]First,the two original im-ages were combined together through complex representation,then the watermark was embedded by quantizing the magnitudes of the Exponent Fourier moments of the combined image,and the water-marked combined image was obtained by adding the combined image with the compensation image the was generated by reconstructing image from the modified Exponent Fourier moments.At last,the watermarked combined image was decomposed to obtain two watermarked images.Most importantly,it was impossible to extract watermarks without the access of both watermarked images.[Results]Experimental results have demonstrated the feasibility of the proposed scheme as well as its robust-ness to various attacks.In comparision with the excellent PCET-based method,with the attack situa-tions of 5×5 median filter,5×5 average filter,Gaussian noise with variance of 0.03,salt and pepper noise with noise density of 0.03,and JPEG compression factor of 10,the BER values of the proposed method decrease by 36%,44%,45%,59%,and 29%,respectively.Moreover,when extracting watermarks,the extraction time is reduced by 50%compared with processing two images separately.关键词
图像水印/双图像水印/Exponent Fourier矩Key words
image watermarking/two images watermarking/Exponent Fourier moments分类
信息技术与安全科学引用本文复制引用
刘西林,贺贤浩,张昊,岳俊宏,陈泽华..基于Exponent Fourier矩的双图像水印方法[J].太原理工大学学报,2025,56(3):474-484,11.基金项目
山西省应用基础研究计划(202103021224057) （202103021224057）
