In the discrete cosine domain, the watermark is embedded by quantifying the coefficient of the dct domain, spectrum-spread is applied. the watermark can be extracted without the original audio.

在離散余弦變換域国产色清，采用擴(kuò)頻技術(shù)通過(guò)對(duì)變換域系數(shù)進(jìn)行量化來(lái)嵌入水印信息性爱欧美一区二区，在水印的提取過(guò)程中不需要原始音頻信號(hào)的參與人人干人人操福利。

Hi the discrete cosine domain, the watermark is embedded by quantifying the coefficient of the DCT domain and the quantification procession is given; the watermark can be extracted without the original audio.

3在離散余弦變換域黄色视频免费在线无限观看，通過(guò)對(duì)變換域系數(shù)進(jìn)行量化來(lái)嵌入水印信息黄色十黄片，給出了量化方案AV天堂永久网；在水印的提取過(guò)程中不需要原始音頻信號(hào)的參與。

In the discrete cosine domain, the watermark is embedded by quantifying the coefficient of the DCT domain and watermark can be extracted without the original audio.

在離散余弦變換域中如何嵌入數(shù)字水印国产精品视频免费视频看看，會(huì)具有較好的脆弱性和透明性性爱日韩一区。

This dissertation selects two-dimension binary image as watermark information, and selects audio as embedding object, and embed the watermark in the coefficient of the DFT domain, the DCT domain, the DWT domain.

本文以直觀的二值圖像作為水印信息，以音頻數(shù)據(jù)為嵌入對(duì)象三级片A片一级毛片视频，分別在離散傅立葉變換域高清无码性爱视频在线观看、離散余弦變換域、離散小波變換域的系數(shù)上嵌入水印在线观看黄色视频一站。

And watermark image is embedded by the rule of the improved binary operation, changing wavelet coefficients part of the decimal to improve the quality of the image after the watermark embedded.

水印嵌入采用改進(jìn)的二值運(yùn)算方法91最新国精品自产拍，通過(guò)修改小波系數(shù)的小數(shù)部分來(lái)實(shí)現(xiàn)水印的嵌入，提高了水印嵌入后圖像的視覺(jué)質(zhì)量女生小穴自慰网站。

And watermark image is embedded by the rule of the improved binary operation,changing wavelet coefficients part of the decimal to improve the quality of the image after the watermark embedded.

水印嵌入采用改進(jìn)的二值運(yùn)算方法丝袜日韩无码激情视频，修改小波系數(shù)的小數(shù)部分，以提高水印嵌入后圖像的質(zhì)量最新男女一级性爱视频在线。

This kind of choice imbeds the method of the watermark data position, making use of the picture well the characteristics of the high information of frequency and the sense of vision characteristic of the person, be advantageous to watermark"s can"t see the sex and flimsiness.

這種選擇嵌入水印數(shù)據(jù)位置的方法日韩网友自拍区在线观看视频网站大全，充分利用了圖像中高頻信息本身的特點(diǎn)和人的視覺(jué)特性，有利于水印的不可見(jiàn)性和脆弱性九一高潮视频国产在线。

Afterward make each watermark pixel hide in corresponding image block's mid-low frequency wavelet modulus, improve the concealment and haleness of watermark..

同時(shí)手机看A片小视频，為了使水印分布在整個(gè)圖像，對(duì)加密的水印序列再進(jìn)行置亂處理激情与图片小说，提高了數(shù)字水印的穩(wěn)健性和抗攻擊性亚洲无码天堂在线。

At this text I bring forward effective project strategy of non-maturity haleness watermark model arithmetic. Making use of time-frequency local characteristic of wavelet switch, I bring forward digital image watermark insetting project basing on block of wavelet switch, at the first ,make the image disporting to block of 8×8,then make use of the characteristic of Haar wavelet switch,then make the image the second layer wavelet switch and carry through power modulus transaction.

本文提出了非完備性魯棒性數(shù)字水印典型算法中的行之有效的設(shè)計(jì)策略，利用小波變換良好的時(shí)頻局部特性欧美日韩国产综合在线一区，提出了基于塊的小波變換的數(shù)字圖像水印嵌入方案亚洲欧美日韩国产综合，把宿主圖像分為8×8的小塊日韩一级片91插，利用 Haar小波變換的特性，對(duì)圖像進(jìn)行二層小波變換分解18岁禁止入内网站，對(duì)變換系數(shù)進(jìn)行權(quán)重處理日韩福利在线视频免费观看网址，然后把每一個(gè)水印象素隱藏在相應(yīng)的圖像塊的中低頻小波系數(shù)之中，提高了數(shù)字水印的隱蔽性和魯棒性人人操人人人人摸人人干。

The analytical results show that the image distortions from the watermark are spread throughout the whole image and are spread into the three channels of a color host image by a hypercomplex inverse Fourier transform. So the proposed watermarking algorithm can realize a good combination for the imperceptibility and security of the watermark.

分析表明提出的方法通過(guò)超復(fù)數(shù)傅氏逆變換国产VA在线视频观看，可以把水印帶來(lái)的誤差擴(kuò)散到整幅圖像，并且是分散到紅亚洲第一色日韩、綠国产久精品、藍(lán)三色的各個(gè)分量上，從而實(shí)現(xiàn)數(shù)字水印的不易感知性和安全性的良好結(jié)合人人操人人操人人操人人操人人人操。