A digital watermarking algorithm in binary text image: Because of the weak information hiding immunity of binary text image, many watermarking methods based on gray or color images are useless.
改进的二值文本图像水印算法：由于二值图像信息隐藏免疫力差，绝大多数基于灰度或彩色图像的水印算法不再适用。
For the deficiency of current digital watermarking methods for English texts, the paper proposes a multiple text watermarking method which is based on the characters' attribute and the words' content.
针对现有英文文本数字水印方法存在的不足，提出并实现了一种基于字符属性及单词内容的多重文本数字水印算法。
Digital watermarking based on text document can protect copyright of digital products and prohibit piracy.
文本数字水印技术可以保护数字作品的版权，防止盗版和侵权行为。
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