reseatch result shows that watermark detection error is mainly influenced by the watermark mean energy and watermarking capacity. the detection error rises with the increase of watermarking capacity.
研究结果表明,水印检测错误率主要取决于水印的平均能量和水印容量,而且随着水印容量的提高而增加。
the task of the research on the watermark security is to prevent watermark from being removed or modified maliciously when the watermark detection method is public.
对于水印安全性研究,由于假定公开检测而使防止水印不被非法删除或修改非常困难。
in order to protect the copyright of the vector graphics, in this paper we introduce a fusion rule for watermark detection of vector curves using svm classification.
针对矢量图形的版权保护问题,提出了一种基于svm分类融合的多矢量曲线水印检测方法。
a blind watermark detection and adaptive watermark embedding method is supposed in this paper.
文章提出了一种用于盲水印检测的方法和自适应水印加入算法。
this paper proposes the commitment-based watermark detection protocols.
提出了基于承诺的水印检测协议。
a correlation function is used in the watermark detection process and the original image is required.
利用相关检测器进行水印检验检验过程需要原始图象。
in view of the problem that the pictures on commodities packaging may have distortion in watermark detection process, studies are carried out and a new blind digital watermark algorithm is proposed.
针对商品包装图像在水印检测过程中图像会发生变形的问题展开研究,提出一种基于非均值量化系数特征不变的盲数字水印方案。
geometric calibration before watermark detection can be achieved through a preset known mask and the watermark multiple embedding.
通过预置已知模板和嵌入多块水印可实现水印检测位置的几何校準。
a system and a method for secure remote informed watermark detection making use of a side-information.
一种用于安全远程有信水印检测的系统和方法利用边信息。
in blind watermark detection process, we also extract the feature point from the normalized image, then extract the watermark.
在进行水印盲检测时,首先对含水印图象进行归一化处理并提取特征点,然后进行水印提取。
watermark detection is implemented by comparing the new difference of mean values of watermarked image blocks with the threshold values.
在水印提取时,计算分块的新的均差值并与所设门限进行比较,从而检测嵌入的原始水印值。
a robust blind watermark detection technique is proposed.
提出一种稳健的盲水印检测技术。
this article presents a semantic-coding-based blind watermark detection algorithm.
提出了一种基于水印语义编码的盲检测水印算法。
this watermark detection method for the semi-blind testing, only part of the original image information in, therefore have important practical significance.
本文水印的检测方法为半盲检测,只需要原始水印的部分信息的参与,所以具有重要的现实意义。