To restore the lost synchronism, a novel method to estimate the geometric operation using sifted Scale-Invariant Feature Transform (sift) was proposed.
为了恢复已失去的同步信息，提出一种基于筛选尺度不变特征估计几何攻击参数的数字水印算法。
Interpolation on gray images is needed in the course of geometric operation. Bilinear interpolation algorithm is effective, but its program is complex and the running time is longer.
几何运算要求对图像进行灰度值插值，双线性算法可产生令人满意的效果，但是程序较复杂，运行时间较长。
And then combine geometric, behavior modeling methods to simulate the actual manufacture and operation of numerical control lathe.
最后将几何建模和行为建模结合起来模拟数控机床的实际加工、操作过程。
Dynamic physical model makes dynamic and real time response to user operation in a visual physical way, and is the fusion of physical characteristics, geometric model and behaviour model.
动态物理模型以直观的物理方式动态、实时响应用户操作，具有物理特性与几何模型和行为模型相融合的特征。
An integral wing panel is represented as feature sets, and the features are decomposed as information sets such as location, direction, geometric size, Boolean operation etc.
将整体壁板分解为特征的集合，并进一步将特征分解为特征的位置、方向、几何尺寸、布尔运算等信息的集合。
The reliability of geometric algorithm is reduced by two reasons which are presenting inaccuration and computer′s floating operation.
几何对象的不精确以及计算机浮点运算生成的误差积累，势必会影响几何算法的可靠性。
Distributors are important parts of trickle-bed reactors, and their performances are directly related with their geometric parameters and operation conditions.
分配器是滴流床反应器的重要构件，分配器的性能与设计参数和操作条件有直接关系。
The method of local operation is very useful and convenient in geometric modeling.
在几何造型中，这些方法是很有用的，而且使用十分方便。
To solve this problem, AA phase was suggested to complete geometric quantum gates. These gates have the faster gate-operation time and intrinsic geometric features of the geometric phase.
为了解决这个问题，AA相被用来实现几何量子门，研究发现，用它实现的量子门拥有较快的门运算时间和几何相位的内在几何特性。
Honeycomb sealing technology could make steam turbine unit operation safe and economic due to geometric parameters optimization of honeycomb seals when decreasing radial labyrinth clearance.
蜂窝式密封新技术在减小汽封径向间隙的同时，借助于优化密封蜂窝室几何参数显著提高了汽轮机组的安全经济性。
Studying the long tunnel geometric design from its actual operation is the issue should be paid close attention in railway design.
从运行角度对长大隧道设计进行专题分析是铁路设计工作中需要重点关注的课题。
It proved to be accurate and easy-operation. All the 21 geometric errors can be obtained within two hours.
这种方法精度高，操作方便，仅用2个小时即可完成全部21项误差的测量。
It proved to be accurate and easy-operation. All the 21 geometric errors can be obtained within two hours.
这种方法精度高，操作方便，仅用2个小时即可完成全部21项误差的测量。
应用推荐