查询词典 retrieval

It can also provide information sharing and retrieval service. It has been used diffusely, bringing with convenience, changing people's way to obtain information.

它的广泛使用，给人们带来了诸多便利，并逐渐改变了人们信息获取的方式。

This model can direct the design of image retrieval processes and methods.

本文的特征模型为检索过程和方法的设计，提供了新的思路。

Experiments show that the improve coarseness has higher texture discriminability and better rotation invariance, and that the image retrieval result based on the improved coarseness is superior to that based on the previous coarseness.

实验表明，改进纹理粗糙度具有更强的纹理分辨能力和更好的旋转不变性，基于改进纹理粗糙度的图像检索结果优于基于原有纹理粗糙度的图像检索结果。

The high-speed developed and disorganized World Wide Web makes the Web information retrieval more and more difficult.

网页的高速和无序增长，使整个互联网的信息资源缺乏有效的组织和结构。

The method is as follows:(1) encrypt at control signal line of CPU to prevent the abnormal retrieval by CPU emulator;(2) encode the data and address of the program code to prevent the operation of dissembler;(3) do a pattern checking to prevent the execution of illegal reverse tracking program.

我们所提出的方法如下：(1)由CPU中的M1控制讯号线加密以防止由CPU模拟器做非正常之撷取程式；(2)将程式码的资料及位址重新编码，以防止反组译程式的运作；(3)额外加一颗CPLD做特殊图样比对以防止不正当逆向追踪程式的执行。

Then the similarity between them is calculated based on this distance matrix. To validate this retrieval approach, we test it on a database containing about four hundreds motion clips which can be divided into various kinds of human movements. The experimental results demonstrate the effectiveness of our approach.

实验结果表明，与现有大多数基于内容的三维人体运动数据检索方法相比，该方法能够取得更好的时间效率且不依赖于任何预先设定的参数，相对于现有基于关键帧的运动检索技术而言，其能够获得更好的检索效果。

A new method of describing and matching spatial context is proposed to effectively improve the distinguishability of objects in visual words-based image retrieval.

提出了一种空间上下文描述与匹配方法，有效地提高了基于视觉关键词的图像检索中目标对象的可区分性。

A feature extraction and retrieval algorithm based on childblock partition and area division using discrete cosine transformation and singular value decomposition is proposed.

提出一种在子块分割和区域划分的基础上，利用离散余弦变换和奇异值分解对图像进行特征提取的检索算法。

To fulfill the application requirement to retrieve logos in automatic processing document image, a logo recognition and retrieval algorithm based on projective features was presented.

针对文本图像自动处理中对图标图形识别检索的应用需求，提出一种基于投影特征的图标图形识别检索方法。

The contourlet transform used in the system was constructed by dual tree complex wavelet transform followed by critically subsampled directional filter banks, sub-bands energy and standard deviations were cascaded to form feature vectors, and the similarity metric was Canberra distance. The performance of retrieval system was compared including original contourlet transform, non-subsampled contourlet transform, semi-subsampled contourlet transform and CCT under the same system structure.

该系统采用的复数轮廓波变换由双树复小波变换级联临界下采样方向滤波器构成，特征向量采用子带系数的能量和标准偏差连接而成，以Canberra距离为相似度度量标准；比较了基于同样架构的基本轮廓波变换、无下采样轮廓波变换、半下采样轮廓波变换和CCT纹理检索系统的性能。

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。