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- The chaos map is introduced to improve the watermark imperceptibility.The experiment result shows that it has a good HVS and is robust. 实验结果证明:算法具有良好的视觉效果和鲁棒性,能够抵抗种类的攻击。
- No spitting, no littering still garbage, not chaos map graffiti wall, indoor and outdoor adhere to the daily cleaning of Health. 不随地吐痰,不随地仍垃圾,不在墙上乱图乱画,坚持每天打扫室内外卫生。译为英语:
- Chaos map and image blending technology are introduced to improve the imperceptibility, security and robustness of hiding image. 利用混沌映射结合图像融合;将隐藏信息隐藏在载体图像的不同位置;提高了隐藏的视觉效果;保证了隐藏信息的安全性.
- A digital watermark based on DWT and chaos map 基于小波变换和混沌映射的数字水印算法
- An improved watermarking algorithm of odd-even quantification based on chaotic map is proposed. 提出了一种基于混沌映射的改进奇偶量化水印算法。
- The chaotic signals were generated based on iterating the piecewise linear chaotic map (PLCM) with a segment number parameter (SNP). 使用一类区间数目参数化的分段线性混沌映射,通过多次迭代此类映射产生混沌信号。
- This paper discusses and curry out an encryption algorithm based on one-dimensional chaotic map,which have good security and practicability. 本文设计了一种基于混沌理论和单表置换加密方法的一维混沌表加密算法。
- The proposed scheme is exploiting the high sensitivity on initial value of chaotic map, can localize the tampers on the watermarked image. 利用混沌对初值极端敏感性的特点,能够定位检测对加入水印图像的窜改,并且水印提取不需要原始图像。
- A new pseudo-random sequence based on chaotic map was proposed, which can avoid the accumulated effect of round-off errors caused by iterating the map. 摘要提出了一种新的基于混沌系统的伪随机序列,该序列能有效避免迭代过程中舍入误差积累的影响;
- A spatiotemporal chaotic map is digitized to develop a highly paralleled PRBS generator that accommodates to FPGA (Field Programmable Gate Array) implementation in present paper. (译):阿时空混沌地图是数字化发展的高度并行PRBS发生器,可为FPGA的(现场可编程门阵列)执行本文件。
- For the first time,a new method to find all solutions based on utilizing chaos mapping xn+1=cos(2/xn)to obtain locate initial points for finding all solutions of the nonlinear questions is proposed. 运用混沌映射xn+1=cos(2/xn)产生初始点,首次提出了基于混沌映射的牛顿迭代法求解非线性方程组的新方法。
- It analyses the encryption algorithm principle based on the Logistic chaos mapping,proposes a kind of encryption,and from aspects of algorithm security,efficiency and so on,gives the performance analysis. 分析Logistic混沌映射的加密算法原理,提出基于该算法的加密方法,并从算法的安全性、效率等方面进行性能分析。
- The wintry weather has caused chaos on the roads. 因风雪交加,道路上混乱不堪。
- There is a map of the world on the wall. 墙上有张世界地图。
- He spread the map flat out on the floor. 他把地图平铺在地上。
- The road we should take is marked on the map. 我们要走的路已经标在地图上了。
- On the map the drains of each field are laid sown. 地图上标有每一块地的排水沟。
- I found this old map in the family archives. 我在家谱中发现了这幅旧地图。
- I prick the map with a pin to show our route. 我用大头针在地图上扎孔标出我们的路线。
- The airport is arrowed on the map. 飞机场在地图上用箭头标出。