The quality of decrypting watermark under the different sizes of encryption keys has been discussed. The simulation results prove the theoretical analysis.

計算和分析了二元位相密鑰的空間分布對水印信息提取質(zhì)量的影響，計算結(jié)果驗證了理論的正確性射射射射射射综合网。

This algorithm embeds the watermark in the compressed domain.

這個演算法將浮水印隱藏在頻率域當(dāng)中免费天堂a片免费看。

By elaborating on the principle, classification and application areas of digital watermark technologies, this paper is aimed to provide readers with a full understanding of the entirely new enciphering technologies.

通過對數(shù)字水印技術(shù)的原理、分類和應(yīng)用領(lǐng)域等內(nèi)容的闡述男女深夜福利视频网站，使讀者能夠較全面地了解這種全新加密技術(shù)a欧美亚洲电影图片迅雷下载。

In this scheme, two kinds of watermarks are embedded respectively into vertexes coordinates and topological information of 3D mesh, which enables the model to resist against not only large scaled cropping operation but also high strong noising. During the extraction of the watermark, the original model is not necessary.

該算法分別對3D網(wǎng)格模型的頂點信息和拓撲信息嵌入2種不同類型的單魯棒性水印，從而使模型既能抵抗大面積的剪切攻擊日韩欧美A片一级久久72，又能抗擊一定強度的噪聲攻擊国产色视频一区；且在水印提取時不需要原始模型信息亚洲热在线视频店。

I need a filter that overlays an invisible watermark on video stream.

我需要一個過濾器黄页视屏在线看，對視頻流覆蓋無形的水印日韩欧美中文精品第一页。

in this paper ,based on permuted image and svd, we embeddedgray watermark in colour image's dwt components.

本文根據(jù)奇異值分解理論把灰度水印嵌入到彩色圖像的dwt分量中。

In order to average the spatial distribution of embeddable pixels, by permuting the original image randomly and dividing it into blocks, we embed the same quantity of watermark into every block.

為了均衡可嵌入水印像素的空間分布色色av无码，對原始圖像進行隨機排列和分塊后思思精品视频，在每一塊中嵌入相同數(shù)量的水印。

The digital watermark is to prevent pirating.

數(shù)碼水印圖案是用來防止盜版的欧美黄色小视频在线。

In present watermark system, there are two basic preconditions: one is robustness; the other is transparency.

在現(xiàn)代水印中久久精品伊人不卡一区，對水印有兩個基本的要求：魯棒性和不可見性。

In the algorithm, spited the glyph of Chinese characters to two other's, increasing the content of the document coding redundancy, enhancing the watermark capacity, and by adjusting the properties of characters displaying, enhanced the watermarking imperceptibility.

該算法通過漢字字形的拆分国产春色一级视频免费，增加了文檔內(nèi)容編碼冗余美国黄片一级片，提高了水印信道容量，并通過調(diào)整漢字顯示屬性中文在线中文字幕，增強水印的隱蔽性亚洲天堂日韩无码国产AV。