1) semantic description
语义描述
1.
Clustering analysis algorithm for security supervising data based on semantic description in coal mines;
基于语义描述的煤矿安全监测数据聚类分析算法(英文)
2.
Research on Semantic Description Method of Digital Library Resource Based on Semantic Web;
基于语义Web的数字图书馆资源语义描述方法研究
3.
To solve the problem about the lack of the semantic description and discovery for the simulation model resources in the grid resource management middleware,the ontology technology was introduced and the description ontology was defined to implement the semantic description for simulation models.
针对现有网格资源管理中间件缺乏对仿真模型资源语义层次的描述和发现匹配这一问题,引入本体概念,定义了仿真模型描述本体,实现了对仿真模型的语义描述;提出了基于本体推理的仿真模型语义匹配算法,将仿真模型语义匹配的量化程度映射到了[0,1]上的连续值域,并且支持仿真模型输入/输出的组合匹配;将研究结果应用于仿真网格的仿真模型匹配发现服务的实现中,通过典型的应用实例,有效地验证了提出的仿真模型描述本体和语义匹配算法。
2) descriptive semantics
描述语义
1.
The syntax and semantics(including fixpoint semantics and descriptive semantics)of hybrid knowledge bases in εL are given.
给出了εL的混合循环知识库的语法和语义(包括不动点语义和描述语义)。
3) feature description
特征描述
1.
Four kinds of topological operations suitable for sculptured feature descriptions, i.
在此基础上建立了雕塑型体构造的层次结构，提出并分析了适于雕塑型体特征描述的四种拓扑运算关系，即拼合、贴合、嵌套与扭变等，为复杂雕塑型体特征造型提供了有利条件。
2.
So feature description and extraction of shape is the main content of this topic.
形状的特征描述是图像识别的关键,特征提取的好坏直接决定了目标识别的效果,所以形状特征的描述和提取是本课题研究的主要内容。
3.
To deal with the matching of 3D terrains which involves similar transformations of scale,rotation,and shift,a terrain contour matching approach based on the invariant feature description of a 3D terrain is proposed.
针对实时地形图与基准地形图之间存在旋转、缩放和平移等相似变换的地形匹配问题,提出一种基于地形不变性特征描述的匹配方法。
4) feature representation
特征描述
1.
From the angle of manufacturing, this paper proposes a kind of feature taxonomy approach based\|on feature families, discusses several problems derived from comprehension difference to the concept of feature between the stage of modeling and recognition, and introduces the corresponding feature representation method, which meet sufficiently the demand of the different stages of product life ci.
特征分类与描述是实现基于特征的 CAD/ CAM系统集成的关键技术之一 ,本文从面向制造系统的角度出发 ,根据实际需要提出了基于特征族的特征分类方法 ,并对在特征造型及特征识别阶段由于对特征概念理解上的差异所带来的问题进行了探讨 ,提出了相应的特征描述方法 ,充分满足了产品生命周期各阶段对特征描述的需要 ,解决了特征的可扩展性问题。
2.
According to the conception of color run-length, a method of feature representation based on run-length matrix for color image was proposed,then two similarity criterions were given.
借助于颜色游程的概念,提出了一种基于游程矩阵的彩色图像特征描述方法,并在此基础上定义了两种图像相似性测度。
5) feature descriptor
特征描述符
1.
Firstly,SIFT keypoints of realtime images and reference images were extracted efficiently using improved SIFT feature descriptor.
首先利用改进的特征描述符初步提取实时图与参考图的SIFT关键点;然后利用距离比和RANSAC算法去除错配,匹配出可靠的同名点对;最后计算反映实时图和参考图之间变换关系的转换参数,完成景象匹配。
2.
The principle of SIFT method is researched,then an improved SIFT points feature descriptor is proposed,aiming to the problem of its high dimension and complexity.
对SIFT算法进行研究,针对SIFT特征描述符的高维数和高复杂度问题,进行了改进。
3.
This paper introduces the definition of the content-based image retrieval and the visual description tools of MPEG-7,and analyzes the application of the feature descriptor.
介绍了基于内容的图像检索的定义以及MPEG-7中的视觉描述工具,分析了特征描述符的应用。
6) feature descriptor
特征描述子
1.
Then rotation invariant feature descriptors of 20 dimensions are generated based on that the shape of circle kept same when ro- tated.
该算法通过求高斯差分算子在尺度空间上的局部极大值和极小值提取特征点,然后根据圆旋转不变特性生成20维的旋转不变特征描述子,并充分利用特征点的区域特征和灰度特征进行匹配,最后根据序列图像对应特征点之间的距离基本保持不变的特性剔除错误的匹配点。
补充资料：储层描述(见油气田储层评价)
储层描述(见油气田储层评价)
reseroir evaluation of oil and gas field
储层描述(reseroir evaluation of 011 and gasfield)见油气田储层评价。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条