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基于位平面的渐近式数字水印技术

Progressive Watermark Technology Based on Bit-plane
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摘要 将JPEG 2000中的EBCOT编码与现代水印技术相结合提出了基于图像内容中位平面特征的渐近式水印技术,利用位平面特征来同步水印的顺序,图像被分解为多个位平面上的数据,对各个位平面的重要数据按照顺序先后在压缩的同时嵌入水印信息。实验结果证明该方法改善了水印的不可见性和同步性的矛盾。 Combining embedded block coding(EBCOT)in JPEG 2000 and modern watermark technique, a progressive watermark technology based on bit-plane is presented. Image is decomposed into multi-bit-plane data, then making use of bit-plane feature orderly to embed watermark information while compressing data.Experiment results prove that this method can improve the conflict of invisibility and synchronization.
出处 《计算机工程》 CAS CSCD 北大核心 2003年第14期154-155,共2页 Computer Engineering
关键词 数字水印 图像内容 混沌模型 特征点 Digital watermark Image content Chaos model Feature point
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