基于半色调图像自嵌入和数据隐藏的多用途图像水印方案

Carlos Santiago Avila, M. Miyatake
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引用次数: 3

摘要

目前,侵犯版权、内容篡改等数字问题日益突出。为了解决这些问题,人们提出了许多基于水印的方案,但大多数方案都只解决这两个问题中的一个。本作品展示了一种嵌入水印的方法,用于版权保护和内容认证。主要方案是基于自嵌入算法,利用半调方法从原始图像中生成水印序列。进一步对所述半色调水印图像进行水印,修改其像素以嵌入与所有者的版权相关的标识;在整数小波变换(IWT)域采用量化指标调制(QIM)方法嵌入带水印的半色调图像进行内容认证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Multipurpose Image Watermarking Scheme Based on Self-Embedding and Data Hiding into Halftone Image
Nowadays the digital problems, such as copyright violation and content alteration, have been grown. To solve these problems, many watermarking based schemes have been proposed, however most of them address to solve one of these two problems. This work shows a way to embed the watermark for both purposes: copyright protection and content authentication. The main scheme is based on a self-embedding algorithm which generates the watermark sequence from the original image using halftoning method. The halftone watermark image furthermore is watermarked modifying their pixels to embed logotype related to the owner’s copyright; and the watermarked halftone image is embedded for content authentication using Quantization Index Modulation (QIM) in the Integer Wavelet Transform (IWT) domain.
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