A New Scheme of Image Watermarking Based on Wavelet and Cosine Transform

ZHOU Ya-xun; YE Qin-wei; XU Tie-feng

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A New Scheme of Image Watermarking Based on Wavelet and Cosine Transform

更新时间：2025-07-16

- A New Scheme of Image Watermarking Based on Wavelet and Cosine Transform
- Acta Electronica Sinica Vol. 29, Issue 12, Pages: 1693-1695(2001)
- 作者机构：
  
  宁波大学电信系,浙江,宁波,315211
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP309
- Published：2001
- 稿件说明：
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ZHOU Ya-xun, YE Qin-wei, XU Tie-feng. A New Scheme of Image Watermarking Based on Wavelet and Cosine Transform[J]. Acta Electronica Sinica, 2001, 29(12): 1693-1695.
DOI：

ZHOU Ya-xun, YE Qin-wei, XU Tie-feng. A New Scheme of Image Watermarking Based on Wavelet and Cosine Transform[J]. Acta Electronica Sinica, 2001, 29(12): 1693-1695. DOI：

摘要

数字水印作为数字媒体版权保护的有效手段

近几年来在国际上引起了人们极大的兴趣.本文针对数字图像水印进行了研究

提出了一个基于离散小波变换和离散余弦变换组合的图像水印新方案.实验结果表明

该水印方案很好地体现了图像水印的鲁棒性和不可视性间的统一

在相同的水印图像质量条件下

对常规的图像处理和噪声干扰比其它图像水印方案具有更好的鲁棒性.

Abstract

As an effective method to provide copyright protection for digital media

digital watermarking has drawn extensive attention recently.The paper proposes a new scheme of digital image watermarking based on the combination of discrete wavelet transform and discrete cosine transform.The experimental results demonstrate its better unification between the watermarking robustness and watermarking invisibility.Compared to the other image watermarking schemes

the watermarking with the proposed scheme is much robust against noise interference and commonly used image processing technique under the condition of same watermarking image quality.

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