算法化

This new method mainly comprises three steps: firstly, normalize the point-gradient vectors and calculate the block-gradient vectors and the corresponding block-coherence; then detect the noisy areas to eliminate the side effect of noise diffusing; finally, re-estimate all block- gradient vectors based on iteration and transform the gradient field to orientation field.

提出了一种基于梯度的健壮的指纹方向场估计算法，新算法首先归一化点梯度向量并计算块梯度向量及相应的块一致性；然后估计噪声区域；最后采用基于迭代的方法，重新估计所有块梯度向量并将梯度向量场转化为方向场。

The article attempts to study the characters of image that have complex shape target or noise, so as to improve the traditional Snake in the energy function and operation strategy.

Kass等人1988年提出了一种基于能量函数的Activecontourmodels算法，该算法基于图像整体能量最小化目标分割，较好地解决了对特定目标精确分割问题[3]。

These results have some reference value for selection of these edge-detecting operators.

然而，边缘检测又是图像处理中一个困难的问题，因为实际图像中的边缘往往是各种类型的边缘以及它们模糊化后结果的组合，由于实际图像中存在着不同程度的噪声，各种类型的图像边缘检测算法不断涌现，但对于不同算法边缘检测结果的精度却没有一个统一的衡量标准。

The engine monitor requires accurate predictions of rational velocities. A prediction model is constructed on the basis of flat neural network A fast recursive algorithm is used to improve the learning speed by forgetting factor. Accordingly, the present neural network algorithm leads to considerable reduction of effort in network weighting matrix as well as increase of self-learning and adaptability of neural network algorithms to nonlinear and nonstationary systems.

发动机监测器以精确的转速预测为前提，通过构建扁平化神经网络预测模型，并根据遗忘因子思想改进快速递推算法，既减少网络权矩阵的计算量，又充分发挥神经网络算法对非线性和非平稳系统的自学习能力。

PBiz is based on the super-proximity routing algorithm proposed in this dissertation, and it also extends the P2P routing algorithm to support exact-match lookup and fuzzy search. Using XML technology, PBiz provides the user with effective navigating service, which enhances the advantage of eCommerce.

与此同时，PBiz并扩展了现有的结构化对等网络路由算法，扩展后的路由算法能同时支持精确查找与模糊查找，同时，结合XML技术，提供给用户实时有效的信息导航服务，进一步提高了电子商务的优势。

The processing time of a batch Bi in this paper is rel...

对于极小化最大完工时间问题，给出了一个复杂性为O(n2)的动态规划算法，并证明了这个算法的最优性。

Gram-Schmidt algorithm is one of the fundamental methods in linear algebra, which is mainly used to compute QR decomposition.

Gram-Schmidt正交化算法是数值线性代数中的基本算法之一，主要用于计算矩阵QR分解。

It generalized the traditional k-means algorithm from the point of view of prototype selection. In detail, the kPC algorithm substituted hyperplanes for points used in k-means algorithm to be the prototypes and got these hyperplanes by minimizing the sum of the squared distances between each point and its closest hyperplane.

它从原型选择的角度推广了传统的k-均值算法，用超平面替代k-均值算法中的中心点来表示聚类原型，并通过最小化样本点到最近中心超平面平方距离之和来求取原型超平面。

To deal with three issues that have bedeviled clustering, some dominant sets being statistically determined in a significance level, predefining cluster structure being not required, and the quality of a dominant set being ensured, a novel, iterative clustering approach is proposed.

本文从算法原理的角度讨论了该方法在芯片数据处理中的适用性，并给出了该方法的误差判定标准，实验结果表明经LTSA降维后得到的低维投影可视化效果好、分类准确性高，且在目标维数判断上优于常用的PCA算法。

As a concrete example for the 3D timelapse seismic problem, a localized inversion algorithm is designed based on the continuous and recursive methods.

以三维时间推移地震为例，在连续型及逐次递归算法的基础上构造了快速的局域化反演算法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。