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- To take the HVS characteristics into account, the watermarking information is embedded in the high-frequency coefficients of the wavelet adaptively. 方案中结合人类视觉系统的特点,将水印信息自适应地嵌入到小波变换域高频系数中;
- By studying JPEG compression and HVS theory, watermarking information is embedded in the DCT intermediate frequency coefficient part of the image. 通过对JPEG压缩以及人眼视觉系统理论的研究,确定了把水印信息嵌入到图像的离散余弦变换域的中频系数部分;
- Two kinds of watermark information, private information and public information, are embedded into the host signal using a private key and a public key. 通过使用一个私钥和一个公钥,在宿主信号中嵌入了两类信息,即私有信息和公开信息。
- The algorithm extracted watermark information from the image and embedded it into the host.So the receptor doesn’t need to know much information.Thus the SIA is a securer method. 该算法将从自身提取的水印信息嵌入于图像中来实现图像认证,对接收方要求知道的信息较少,因而具有较高的安全性。
- Narrowband watermarking information is spread into wideband pseudo-random code before being embedded by modifying the scale of the distance between vertexes in two-dimensional engineering graphics. 该方案先将待嵌入的窄频带的浮水印信号扩频为宽频带的伪随机序列,然后再以伪随机序列为依据对二维工程图中直线实体的长度作相应的修改。
- A new method that digital watermarking information was embedded in numerical attribute's Least Significant Bit (LSB) was put forward in view of the existing watermark algorithm's insufficiency. 针对现有水印算法的不足,提出了在数值型属性最低有效位(LSB)嵌入水印信息的一种新方法。
- The Independent components can be achieved by ICA processing to watermarking information, then, using iterative mixing embeds watermarking and extracting the watermarking by blind JADE algorithm. 其思想是:首先对水印图像经过ICA处理得出若干个独立分量水印,利用迭代混合的方法嵌入水印,再利用盲源JADE算法提取水印,从而达到用较小的载体带宽嵌入水印信息的目的。
- This paper brings forward a frangibility blind digital watermark algorithm based on mark strong watermark.It selects three luminance DCT coefficients at random,then embeds watermark information. 从基于标识性鲁棒水印出发,提出了一种脆弱性防篡改盲数字水印算法,即任意选择3个亮度DCT系数嵌入水印信息。
- The main characteristics of this arithmetic are large watermark information which can be embedded, good imperceptibility and not needing original database when recover the watermark. 该算法的主要特点是可嵌入的水印信息量大,且隐蔽性好,水印恢复不需要原始数据库。
- The watermark can be retrieved by using either optical or digital Fourier transform on halftone images containing the watermarked information. 水印的提取过程只需对含有水印信息的半色调图像进行光学或数字的傅里叶变换即可完成。
- He is raking through old records for information. 他在过去的记录中找寻资料。
- All our information is up to date on the computer. 我们计算机上的信息都是最新的。
- For further information, contact your local agent. 要进一步了解情况,请与本地代理商联系。
- A request for information from another system. 为查看另一系统中的信息而发出的一种请求。
- The information ought to be made more accessible. 资料应该明白易懂。
- I had to coax the information out of him. 我得用好话套出他掌握的情况。
- Sound and movement make information come alive. 声音和活动画面使信息变得活灵活现。
- This book contains all the information you need. 这本书包含你所需的一切资料。
- This book is a storehouse of useful information. 这本书里汇集了大量有用的资料。
- I have little information as regards his past. 我对他过去的情况不太了解。