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鲁棒的半色调图像水印综述 被引量：3

A Review of Robust Watermarking for Halftone Images
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摘要 半色调图像的数字水印可广泛应用于打印/印刷输出的版权保护和证件、票据、货币的防伪,近几年来其研究取得了较大的进展。为使人们对该领域研究现状有一概略了解,首先论述了半色调图像水印的原理和主要研究方法;然后重点分析了直接嵌入法、间接嵌入法和半色调可视加密方法,并比较了它们的优缺点;同时通过比较发现:基于人眼视觉系统的间接嵌入法,在纸质作品的版权保护领域会有更广阔的应用前景;最后提出了鲁棒的半色调图像水印目前存在的问题和进一步的发展方向。 Watermarking techniques for halftone images have been well developed recently. They are widely used for protecting the copyright of printouts and preventing card or ticket, as well as currency from illegal forgery. Firstly the principle and implementation of watermarking for halftone images are given. Then the analysis of direct-embedding methods, indirect-embedding methods and halftone visual cryptography methods is conducted. The comparisons show that the HVS-based indirect-embedding schemes have a promising application in the copyright control of paper products. Finally the open issues and possible future research directions are pointed out.
作者 郑海红 王义峰 曾平 孔月萍
机构地区 西安电子科技大学计算机学院
出处 《中国图象图形学报》 CSCD 北大核心 2007年第5期782-788,共7页 Journal of Image and Graphics
基金 陕西省自然科学研究计划项目(2001x06) 国防科技预研基金资助项目(51416050301DZ0140)
关键词 信息隐藏 数字水印 半色调图像 鲁棒性 data hiding, digital watermarking, halftone image, robustness
分类号 TN918 [电子电信—通信与信息系统] TP309 [自动化与计算机技术—计算机系统结构]
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参考文献37

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二级参考文献25

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共引文献6

同被引文献20

引证文献3

二级引证文献11

中国图象图形学报
2007年 第5期

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