NI Jiang-qun1, XIE Zhen1, TANG Lin-na1, et al. Modified kernels-alternated error diffusion multipurpose watermarking algorithm for halftone images[J]. 2008, (10): 30-36.DOI:
改进的多用途KAEDF半色调图像水印算法
摘要
提出了一种改进的多用途核转换误差扩散(KAEDF)半色调图像水印算法
可以同时嵌入作为版权申明的可见水印和版权保护的不可见水印。首先
发展了一种改进的面向不可见水印的KAEDF半色调水印算法(MKAEDF)
该算法在获得相对较大水印容量的同时
具有很好的视觉图像质量和高顽健性。基于MKAEDF
进一步发展了多用途半色调水印算法(MKAEDFM)
以同时实现可见水印的嵌入。实验结果证实了所提出算法在图像视觉质量和水印检测性能上的优越性。
Abstract
A modified kernels-alternated error diffusion(KAEDF) multipurpose watermarking algorithm for halftone images was presented for copyright protection.Firstly
a modified KAEDF(MKAEDF) algorithm for invisible watermarking was developed
which achieved relatively large embedding rate with good visual quality and high robustness.Based on MKAEDF
the modified KAEDF multipurpose(MKAEDFM) watermarking algorithm was further developed for both visible and invisible watermark embedding.The results of simulation indicate that the proposed MKAEDFM watermarking algorithm achieves significant improvements in performance of visual quality and watermark decoding rate.