This paper brings forward a novel digital watermarking algorithm based on character feature. It embeds the watermark among the course of character widths'adjustment based on human vision peculiarity. Tests proved that the algorithm has attained the robust and concealment well.
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程玉柱. 一种新的文本数字水印算法研究[J]. 科学技术与工程, 2005, (14): 1006-1008. CHENG Yuzhu. Research of a Novel Text Document Watermarking Algorithm[J]. Science Technology and Engineering,2005,(14):1006-1008.