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- In order to provide more watermarks and to minimize the distortion of the watermarked image，an adaptive technique based on wavelet blocks is presented in this paper. 为了在不破坏原始图像质量的情况下嵌入更多的水印，即较好地解决水印算法的不可见性和鲁棒性这对矛盾，本文提出了一种基于小波分块的自适应算法。
- Finally,watermark components with different strength were embedded to different wavelet blocks according to the best strength got from the trained netw... 实验结果表明,所提出的算法能抵抗各种常规的图像处理的攻击,具有较好的鲁棒性和透明性。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- That old block of flats is a real eyesore! 那座旧公寓真不顺眼！
- The office block is under offer. 办公大楼已有人出价购买。
- He used his casting vote to block the motion. 他用他的投票反对动议的通过。
- A heavy snowfall block the main road. 一次严重的降雪阻塞了主要公路。
- Write your name in block capitals, please. 姓名请用大写。
- He buy a block of share in mark and spencer. 他购买了“麦克斯和斯潘塞百货联销店”的大宗股份。
- He has a mental block about maths. 他一遇到数学问题就糊涂。
- Japan exercised her veto to block the resolution. 日本使用了否决权反对该项决议。
- The company occupies three floors block. 这家公司占用了办公室大楼的三层楼房。
- The man cleft a block of wood in two with an axe. 那人用斧头把一块木头劈成两半。
- Before I came home I lost all, stock and block. 我还没到家，就丢失了所有的财产。
- A large piece of ice broke away from the main block. 一大块冰从整个大冰块上断裂开来。
- This block of flats has a non-resident caretaker. 这座公寓的管理员不在公寓里住。
- He is pointing down a block of granite. 他正在用锐利的工具修整一块花岗石。
- The heating system in this block doesn't work well. 这个街区的供暖系统不太好用。
- The man put the iron block on the anvil. 那人把铁块放在铁砧上。
- A wedge-shaped block used to lock type in a chase. 版楔用来将铅字锁固在活版架中的楔形块
