他出示一张盖有印信的合约。
看到这脚印信心又增长。
然后通过逆操作得到带有水印信息的二维图像。
该算法提取水印信息时不需要原始数字音频信号。
The proposed algorithm can extract the watermark without the help from the original digital audio signal.
该文对数字水印信道容量的研究结果进行了分析总结。
The diversified researches of capacity of digital watermarking are summarized in this paper.
在面试第二天,送一封打印信给腾出时间与你谈话的人。
Thee next day, send a typed letter to the specific person who took the time to speak with you.
在嵌入水印信息时先考虑边缘点,再考虑亮度较暗和较亮区域。
It considers edge points and dark or light area when embedding watermark information.
影印:影印机利用静电使油墨附着在我们需要复印信息的区域。
Photocopy: copy machines use static electricity to make ink get attracted to the areas where we need the information copied.
通过将时域幅值进行排序,把水印信息嵌入在幅值较大的位置。
The information of watermarking were embedded in the largest value of the amplitude by sorted.
我知道这项工作需要打印信件和文件、接待来客、接听电话等等。
I know this job requires typing letters and documents. receiving visitors, answering phone calls and so on.
算法将原始水印利用扩频通信技术生成能够直接嵌入的水印信息;
Original watermark is mapped to watermark information, which can be directly embedded to the host, with spread-spectrum communication technique.
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 watermark extraction used a public key corresponding to the private key in embedding procedure.
提出一种逻辑签署技术,以防范对打印信息的伪造、篡改及非法使用。
A logic signing technique was developed to protect printed information from being forged, tampered with or possessed illegally.
右声道水印信号为幅度限制在可听门限的白噪声,用来控制检测门限。
Watermark signal of the right channel whose magnitude is limited below the audible threshold, is used to control the detection threshold.
为了增强水印信号的安全性,采用了基于混沌和位平面的水印加密算法。
In order to enhancing the security of the watermark, we employ an encryption technology based on chaos and bit plan.
这项工作要处理日常常规工作,如打印信件和文件、接待来客、接电话等等。
This job is handling routine tasks,such as typing letters and documents,receiving visitors,answering phone calls and so on.
这项工作要处理日常常规工作,如打印信件和文件、接待来客、接电话等等。
This job is handling routine tasks, such as typing letters and documents, receiving visitors, answering phone calls and so on.
这项工作要处理日常常规工作,如打印信件和文件、接待来客、接罼电话等等。
Thiss job is handling routine tasks, such as typing letters and documents, receiving visitors, answering phone calls and so on.
在低频分量部分,基于HVS视觉模型,将水印信号逐点变化地嵌入到原始图像中;
In low frequency sub band, the watermarking is embedded into host by the way of pixel-to-pixel embedding according to HVS model.
之后,利用基于盲源分离理论的混合模型和分离模型,实现对水印信息的嵌入和提取。
Then, using the mixing model and separating model based on BBS theory to realize the embedding and extracting watermark information.
一封寄给一些人要求每位收信人把带有同样要求的复印信件寄给一定数目的其他人的信。
A letter sent to a number of people asking each recipient to send copies with the same request to a specified number of others.
如果要指定用于设置和打印信封的选项,可单击“工具”菜单中的“信封和标签”命令。
To specify options for setting up and printing envelopes, click Envelopes And Labels on the Tools menu.
最后利用扩频序列的自相关函数特征检测出水印信息,检测过程中不需要原始载体图像。
Finally, making use of autocorrelation function characteristic of spread spectrum sequence, watermark information was detected. In the detection process, it is not requisite for initial carrier image.
通过对水印信道容量的分析,得出了对水印的嵌入和检测算法研究具有指导意义的结论。
An effective conclusion for designing the arithmetic of embedding and detecting is found by analysis the capacity.
许多通常的多媒体信号处理,如剪切、滤波、感知编码等,引起了水印信号衰落状的偏倚。
Many common multimedia signal processing, including cropping, filtering, and perceptual coding, make watermark signal fading-like modification.
谈判代表们很快达成一份和平及商业协定,一面以莲花为印信,另一面以鹰和星星为印信。
Negotiators soon concluded a treaty of peace and commerce and sealed it with a lotus flower on one side and an eagle and stars on the other.
你在印有这种标准表格的,纸中间夹上复写纸,接着打印信息-,这些都能使得信息更为准确。
You have this standardized form and you've got carbon paper between them and you typed it — all these really created much more accurate techniques.
通过嵌入伪信息的方式,解决了在提取信息时无法判断在哪些系数上嵌入了水印信息的问题;
The pseudo information is embedded to solve the problem that we don't know which coefficients are used for embedding when extracting the embedded information.
如果混沌序列某一比特位为0,则将对应的加密水印信息嵌入到待嵌入图像信息的最低比特位。
When a bit in chao sequences is equal to 0, hiding watermark information of the corresponding bit is embedded into Least Significant Bite.
实验表明,对加入水印的图像进行图像退化处理后,仍然能方便、可靠地检测出嵌入的水印信息。
The experimental results show that it is easy and reliable to extract the watermark from degenerated image.
应用推荐