A FCM Watermarking Algorithm Based on Energy of Wavelet Coefficients Block and HVS

ZHANG Min; GUO Yu-bin; ZHANG De-wei

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A FCM Watermarking Algorithm Based on Energy of Wavelet Coefficients Block and HVS

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- A FCM Watermarking Algorithm Based on Energy of Wavelet Coefficients Block and HVS
- Vol. 27, Issue 5, Pages: 139-142(2010)
- 作者机构：
  
  1. 1 聊城大学机构计算机学院,山东,聊城,252059
  2. 2 华南农业大学机构信息学院,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：
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- Published：2010
- 稿件说明：
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张民, 郭玉彬, 张德伟. 基于小波系数块能量和HVS的FCM水印算法[J]. 微电子学与计算机, 2010, 27(5): 139-142.

ZHANG Min, GUO Yu-bin, ZHANG De-wei. A FCM Watermarking Algorithm Based on Energy of Wavelet Coefficients Block and HVS[J]. 2010, 27(5): 139-142.
张民, 郭玉彬, 张德伟. 基于小波系数块能量和HVS的FCM水印算法[J]. 微电子学与计算机, 2010, 27(5): 139-142. DOI：

ZHANG Min, GUO Yu-bin, ZHANG De-wei. A FCM Watermarking Algorithm Based on Energy of Wavelet Coefficients Block and HVS[J]. 2010, 27(5): 139-142. DOI：

摘要

为增强水印的鲁棒性

提出一种基于小波变换的改进数字水印算法.该算法将原始图像小波变换后的细节子图分割成互不重叠的系数块.通过对各系数块能量特征分析

并结合人类视觉系统特征(HVS)对特征值进行模糊c-均值聚类(FCM)分析取得更适合嵌入水印的块

在适合嵌入块上应用隶属度值进行自适应的水印嵌入.实验表明该算法有更好的鲁棒性和不可见性.

Abstract

To enhance the robusrness of watermark

an improved watermarking algorithm based on wavelet transform was proposed. The level detail sub-image decomposed the original image using three levels discrete wavelet transform (DWT) were divided into non-overlap blocks. The blocks which were more adaptable to embed watermark

were selected by FCM on the block energy and HVS properties

and the cluster were used as the strength of watermarking on the adaptable blocks. The experimental results show that the embedded watermark is invisible

and also very robust.

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Related Institution

1 Yancheng Institute of Technology, College of Information Engineering

2 College of Information Science and Engineering, Southeast University

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