The original images and watermarks are transformed into a multi-frequent image to be embedded in watermark.

Experimental results show that the visually identical and the watermarks also successfully survive after many attacks.

实验结果表明,算法在满足一定的不可感知性的前提下,能够有效地抵抗多种高强度的攻击.

Digital watermarks have also find its usage in secret communication communication counterwork.

数字水印技术在隐蔽通信及其对抗等领域中也具有非常重要的用途.

Dates, photo details and other EXIF information can be added as watermarks.

日期, 照片的细节和其他EXIF信息,可以增加一条,作为水印.

A watermelon is red inside and green outside.

西瓜内红外绿.

The fruit they need is apples, oranges, grapes and watermelon.

他们需要的水果有苹果, 柳丁, 葡萄及西瓜.

Watermelon , summer high quality goods, always been loved by the people.

西瓜, 夏令佳品, 历来深受人们喜爱.

There would be watermelon on the vine, and red tomatoes.

藤蔓上结着西瓜和西红柿.

This kind of watermelon is remarkable for its size.

这种西瓜个头儿大.

Oh, what a big watermelon!

喔唷, 这么大的西瓜!

The watermelon slipped from his hands and fell to pieces.

西瓜从他手里滑落,摔得粉碎.

The watermelon is green without and red within.

西瓜皮绿瓤红.

If watermelon is unavailable, grapes can be substituted in an equivalent amount.

如果西瓜难以获得, 用相等数量的葡萄来代替.

Looks like Sandra swallowed a watermelon seed.

桑德拉好像是怀孕了.

It have ability to bear producing of vegetable and watermelon seed from inside and outside national.

同时具有承担国内外西瓜、菜种子生产能力.

Andrew: I spit a watermelon seed farther than anyone else at the contest!

安德鲁 ︰ 我在比赛中把西瓜籽吐得最远,无人能比!

We should exploit more mines and waterpower.

我们应该更多地开矿和开发水力资源.

The main rivers are Delin River , Marty River, rosa so rich in waterpower resources.

主要河流有德林河 、 马蒂河、维约萨河等, 水力资源丰富.

The joint operation and united management of cascade waterpower stations in Mudanjiang river are imperative.

牡丹江梯级电站水库联合调度,统一管理势在必行.

Of particular feature of waterpower and deep penetration perforation manner makes it popular in oilfield.

水力深穿透射孔由于其特有的射孔方式,在油田得到推广.

This paper discusses work principle of the valve giving an alarm by waterpower and its application.

本文主要论述了水力报警阀的工作原理及其应用.