索引地

The index adds appreciably to the usefulness of the book .

索引明显地增加了这本书的实用价值。

In chapter 4, an optimization Boolean operator of triangular mesh and the algorithm of adding point-swapping edge locally are put forward. With boundary traced by adding midpoint, the triangulation of 2D arbitrary domain is realized. The fast searching method which combines the index rectangle with compass based normal vector is designed to speed the triangulation algorithm.

第四章提出了一种优化的三角网格布尔运算和逐点加入—局部换边法，用中点加点法恢复边界，实现了二维任意域Delaunay三角化算法，用索引矩形和基于法矢的指南针法相结合的快速查询法有效地提高了三角化算法的速度，给出了二维任意域三角网格剖分的实例。

To match the rules dynamically, this paper also put forward a new structure of IDS rule, a option index chain, that is adding "index" for each rule options in the rule resolution function, connecting with each other rule header.

为了能够动态地对规则进行匹配调整，对无线局域网入侵检测规则的结构进行了改进，在规则解析函数中为每一个规则选项增加一个"索引"(一个指向该选项结点的指针)，与规则头相连接，形成"选项索引链表"。

It is the first important step in video analysis and will directly affects the effectiveness of indexing Shot boundary detection is one of our major research interests and we will tackle the following existing problems the ambiguity between gradual change and camera motion, the discontinuity during gradual change, false detection caused by illumination variation and flashlight, automatic threshold selection Firstly, we discuss shot boundary detection in non-compressed domain In chapter 2, we compare some of the commonly used detection methods which are based on frame difference and point out that single feature will not generate good results As a conclusion, we use fuzzy logic to combine multiple features Presently, most frame difference based shot boundary detection algorithms rely on threshold and hence the selection of such thresholds will greatly affect the performance of boundary detection We propose a membership function to define frame difference and calculate the membership with self adaptation according to the statistic distribution of frame differences to satisfy different type of video clips Experiments show that the proposed fuzzy shot boundary detection algorithm can be used with different video types and has a high detection precision and recall In chapter 3, we discuss model-based shot boundary detection algorithms regarding chromatic and spatial editing effects such as fade-in, fade-out, dissolve and wipe Various parameters are proposed to better describe the characteristics of each editing type.

镜头边界的检测是把视频自动地分割为一个个镜头，作为基本的索引单元，因此它是视频分析重要的第一步，直接影响到视频检索的成败。镜头边界的检测是本文研究的重点之一。目前镜头边界检测算法主要存在以下问题：渐变与镜头运动难以区别；渐变过程中的不连续与停顿、光照条件的变化及闪光灯等特殊情况会引起误检测；自动选择阈值比较困难等。本文首先针对非压缩域视频进行了镜头边界检测的研究。在第二章中我们采用了比较流行的基于帧间差的方法。在比较各种帧间差计算方法的基础上，指出使用单一的特征难以取得很好的检测效果，提出用模糊逻辑综合使用各种特征。目前大多数基于帧间差的镜头边界检测算法都采用阈值法进行镜头转换的判别。阈值选择的误差对检测性能有较大的影响，本文提出用隶属度函数定义帧间差较大、中等较大和较小等概念，并根据帧间差的统计分布自适应地确定隶属度，以适应不同类型的视频片断。实验结果表明这种基于糊逻辑的镜头边界检测算法可以适应不同的视频，并具有较高的检测精度和检出率。在第三章中采用基于模型的方法进行镜头渐变的检测，研究了淡入／淡出、慢转换和扫换的模型。

It expands the original two-level index to multi-level index, and introduces a continuous flag bit storage method that is able to extremely reduce memory overhead of routing index table while not obviously affecting the lookup efficiency.

一种改进的多分枝trie树查找算法，即多级索引路由查找算法，将原有算法中的二级索引扩展为多级索引，并引入了标志位连续存储的方式，在基本不影响查找效率的前提下，极大地减小了路由索引表的内存开销。

With Hilbert space filling curve and latent semantic index, MLSQ maps similar data objects in high dimension semantic space into an adjacent range in one dimensional value space, and considers every data object sequence number in one dimensional space as a key. MLSQ distributes the keys to adjacent nodes of structured P2P systems. By embedding the process of searching data points of HSFC into the nodes of structured P2P networks and using the data search mechanism of networks, MLSQ can facilitate to search the data objects in accordance with query requirements.

该方法利用Hilbert空间填充曲线和潜在语义索引，将高维语义空间中相似的数据对象映射到一维数值空间中的邻近区域中，并以每个数据对象在一维数值空间中的序号作为键，将数据对象的索引分布到有组织P2P网络邻近的结点上，通过将HSFC中数据点的查找过程嵌入到有组织P2P网络的结点上，再利用网络的数据查找机制，MLSQ可方便地搜索到符合查询要求的数据对象。

First, the method of establishing TW-index is introduced in detail. Then the window query based on the TW-index is expounded. Second, the methods and procedures of establishing TW-index and window query during appending data dynamically are presented.

本文对TW-索引的建立过程作了详细地介绍，并对基于TW-索引的窗口查询作了阐述；同时，讨论了当数据处于动态更新时TW-索引的建立及查询方法。

In the ER-Tree, the efficiency of retrieval could be improved by the ways of partition of the vector space with hyper-sphere and R*-Tree s re-insert technology introduced to enhance ER-Tree s capability to represent the data-sets'features.

该索引树用超球体划分多维向量空间，以有利于计算最近邻；吸取R*-Tree树的重插技术，以增强索引树对数据集整体特征的表达能力，从而提高检索效率；通过引入插入安全点和删除安全点概念，有效地提高建树的效率。

The mean Autonomy Preference Index score of 46 for inpatients reflects that there is no interest on the patients' part to take over decisional control completely but rather that patients strongly wish to participate in medical decisions on an equal footing with their doctors.

对於住院病人的平均46自治偏爱索引得分反映没有兴趣在病人的部份上要完全地但是宁可接管决定的控制病人强烈地想要在对手上参与医疗的决定立足点与他们的医生。

Research on the 3D spatial data index system According to the topological construction and operation of 3D spatial data model, a compound index method is put forward, and effectively solved the problem of huge amount of data in 3D volume models which has directly brought difficulty to the various analysis in geo-science.

三维空间数据索引机制研究根据模型的拓扑构建以及分析操作，提出了对应的内存组织与外存结构相统一的复合索引方法，在一定程度上有效地解决了三维矢量数据模型在拓扑构建及各种分析操作中受限于超大数据量的瓶颈问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。