钞票上的浮水印是用来防止伪造的。
在这篇论文中我们提出两种不可视浮水印的嵌入演算法。
In this thesis, we propose two algorithms of the embedded watermark to the image.
它有一条防伪线,右下角的金额会随著光线而改变颜色、浮水印的图案和主要的画像相同等等。
It has the security thread, the dollar amount on the right bottom corner will change color under the light and the picture in the water mark is the same as the main portrait.
著有诗集《空山灵雨》、《永远的图腾》、《我孤伶的站在世界边缘》、《处境》、《蓝色浮水印》等。
His books of poetry include Spirit Rain in the Mountains, the Eternal Totem, I Stand Alone at the Edge of the World, Imaginary Realms and Blue Impressions Floating on the Water.
本研究的优点有三个:一,我们的方法以频率域的方式嵌入浮水印,产生不扩展的分享影像,降低了像素值易受攻击的影响。
There are three advantages of our study. 1. We embedded the watermark by frequency domain and created unexpanded shares, which reduced the impact of pixel modification effectively.
本研究的优点有三个:一,我们的方法以频率域的方式嵌入浮水印,产生不扩展的分享影像,降低了像素值易受攻击的影响。
There are three advantages of our study. 1. We embedded the watermark by frequency domain and created unexpanded shares, which reduced the impact of pixel modification effectively.
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