The watermark extraction used a public key corresponding to the private key in embedding procedure.
水印提取过程中使用与嵌入过程中私钥相对应的公钥提取水印信息。
The algorithm mainly consists of two basic subroutines: watermark embedding and watermark extraction and detection.
算法包括水印嵌入和水印提取与检测两个部分。
Analysis this video watermarking algorithm, in two parts, one is the watermark embedding, one is the watermark extraction.
该视频水印算法分两个部分进行分析，一部分是水印的嵌入，另一部分是水印的提取。
The capacity upon threshold can be calculating. At last, the relationship is analyzed between watermark extraction error rate and watermark capacity in attacking scenario.
最后分析了有攻击情况下水印提取错误率与水印容量的关系。
By making use of human sight property in wavelet domain, a binary image watermark algorithm without using the original image in the watermark extraction has been presented.
利用小波变换域中人眼的视觉特性，提出了一种提取水印时不需要原始图像的数字图像水印算法。
This paper proposes an image processing method which is based on Bidimensional Empirical Mode Decomposition (BEMD). BEMD is applied in watermark embedding and extraction.
提出一种基于二维经验模式分解(BEMD)的图像水印嵌入算法，完成水印的嵌入和提取。
The embedding strength is decided by the just noticeable difference of the image, and the cover image is not needed during the extraction of watermark.
水印的嵌入强度由图像的视觉临界差异决定，水印的提取不需要载体图像。
Because the watermark embedding and extraction processes have no loss of the information, we can extract the complete information of the Original image from the watermarked image.
由于水印的嵌入和提取过程都是无信息丢失的，所以最终能从含水印的图像中提取出完整的图像信息。
This paper presents a communication model used to describe the watermark system, which imbeds the watermark through modifying the statistical parameters, and blind extraction is carried out.
针对这个难点，本文使用带有边信息的通信模型对水印系统进行描述，通过对该模型中的统计域参数进行修改来嵌入水印，并实现了水印的盲提取。
The statistical detection principle is used to achieve the blind extraction of the discriminating watermark and the blind detection of the Confirmable watermark.
在水印的提取与检测阶段，本文应用了统计学假设原理，分别实现了对识别水印的盲提取和确认水印的盲检测。
This is the DCT Digital watermark embedding and extraction procedure!
说明：站长！这是DCT域的图像数字水印嵌入及提取程序！
Two chaotic sequences are modulated according characters of chaotic system, using for watermark encryption and sub image extraction.
利用混沌系统的特点调制了两种不同的混沌序列，分别用于水印加密和子图像的抽取。
Theoretical analysis show that the method of generating watermark is secure and effective, and may be used for blind extraction.
实验结果和理论分析表明，水印生成方法安全有效，可实现水印的盲检测。
Theoretical analysis show that the method of generating watermark is secure and effective, and may be used for blind extraction.
实验结果和理论分析表明，水印生成方法安全有效，可实现水印的盲检测。
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