| 基于图像置乱与重复嵌入的鲁棒水印技术 |
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| 引用本文： | 陈鹤峰,曾文曲,聂笃宪.基于图像置乱与重复嵌入的鲁棒水印技术[J].计算机应用,2005,25(2):412-413. |
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| 作者姓名： | 陈鹤峰 曾文曲 聂笃宪 |
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| 作者单位： | 广东工业大学,应用数学学院,广东,广州,510090;广东工业大学,应用数学学院,广东,广州,510090;广东工业大学,应用数学学院,广东,广州,510090 |
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| 基金项目： | 广东省基金项目(200332475) |
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| 摘 要： | 从嵌入、提取两方面对水印技术加以改进，提出了数字水印的重复嵌入算法，即将一位水印信息多次重复嵌入到原始图像DCT系数的直流、中频和低频系数中。提取水印时，不是简单的求多个提取值平均值，而是采用一种自学习的提取方法，更好满足了水印的要求。
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| 关 键 词： | 数字水印 DCT 置乱 重复嵌入 |
| 文章编号： | 1001-9081(2005)02-0412-02 |
Robust watermark technology based on scrambling and multi_embedding |
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| CHEN He-feng,ZENG Wen-qu,NIE Du-xian.Robust watermark technology based on scrambling and multi_embedding[J].journal of Computer Applications,2005,25(2):412-413. |
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| Authors: | CHEN He-feng ZENG Wen-qu NIE Du-xian |
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| Abstract: | A watermark algorithm was improved in embedding and extracting. One watermark pixel was embedded many times into DC, mid-frequency and low-frequency coefficients of the same DCT block. What it dose was not averaging watermark values extracted from one block, but applied a self-studying method to get the last watermark. The watermark system is more preferable. |
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| Keywords: | digital watermarking DCT scrambling multi_embedding |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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