摘要
基于Fibonacci变换具有均匀性的良好性质,在一种基于Fibonacci变换的数字图像置乱方法的基础上,给出了一种描述数字图像置乱程度的置乱度的定义,并比较了Arnold变换和Fibonacci变换的置乱效果。实验表明Fibonacci变换的置乱效果比Arnold变换的置乱效果要好。还考虑了Fibonacci变换在数字图像水印中的应用,并作了一些抗攻击实验,取得了令人满意的结果。
A digital image scrambling method based on Fibonacci transformation is proposed. By considering its favorable property of uniformity, this paper tries to present a definition of the image scrambling effects and to compare the scrambling effects of Fibonacci transformation with those of the Arnold transformation. The experimental results show that Fibonacci transformation is better than Arnold transformation. The application of Fibonacci transformation in image watermark is also considered. The watermarking embedding algorithm is robust to some anti_attack tests.
出处
《中山大学学报（自然科学版）》
CAS
CSCD
北大核心
2004年第A02期148-151,155,共5页
Acta Scientiarum Naturalium Universitatis Sunyatseni
基金
国家973资助项目(2002CB312104)
北京市自然科学基金资助项目(4002011)
北京市科技新星计划资助项目(2000107)
北京市科技发展计划资助项目(KM2003100069027)
