文章摘要
黄惠芬.一种基于Bandelet域变换的水印算法[J].包装工程,2011,32(21):98-101.
HUANG Hui-fen.A Watermarking Algorithm Based on Bandelet Domain Transform[J].Packaging Engineering,2011,32(21):98-101.
一种基于Bandelet域变换的水印算法
A Watermarking Algorithm Based on Bandelet Domain Transform
投稿时间:2011-09-20  修订日期:2011-11-10
DOI:
中文关键词: 数字水印  鲁棒性  JPEG压缩  Bandelet变换
英文关键词: digital watermark  robustness  JPEG  Bandelet transform
基金项目:
作者单位
黄惠芬 山东英才学院 济南 250104 
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中文摘要:
      在小波变换的基础上提出了Bandelet变换,可有效地处理高维直线或超平面奇异性问题是该变换的一个特点。基本思路为:采取Bandelet变换对原始图像和水印图像分别进行处理,然后排序迭加相应的Bandelet系数并嵌入水印信息,最后用Bandelet逆变换处理嵌入水印后的图像,继而得到嵌入水印后的图像。相关仿真实验证明,该算法对JPEG压缩、噪声、平滑滤波、剪切等图像失真处理方面具有较强的鲁棒性。
英文摘要:
      Bandelet transform was put forward based on wavelet transform, which can effectively process high-dimensional line or a hyperplane singularity. The basic idea is that the original image and watermark image are Bandelet transform firstly, then the corresponding Bandelet factor for watermark embedding is sorted and added, and last the watermarked image is processed with Bandelet inverse transform to get the watermarked image. Simulation results showed that the algorithm has good robustness to noise, JPEG compression, shear, smooth filtering and other processing of image distortionh.
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