基于内容的3d模型检索是多媒体信息检索的热点研究问题之一。
The content-based 3d model retrieval is one of the hot research problems in the multimedia information retrieval.
7标准提供了工具，以互操作和可扩展的方式来模型化这些数据。因此，可以采用MPEG - 7作为基于内容的音乐信息检索系统的框架。
The MPEG-7 standard provides tools to model these data in interoperable and extensible way, and therefore can be used as framework to build content based music information retrieval systems.
首先叙述了基于内容的图像检索的系统模型和特点，接着针对颜色、纹理和形状进行了概率特征提取、相似度量等的进一步具体分析讨论。
It presents the model and feature of content-based image retrieval system, and then discusses some methods of feature abstraction and similarity measurement based on color, texture and shape.
研究了基于内容的图像检索系统中的目标描述模型的建立方法。
In this paper, constructing object description model in content based image retrieval system is focused on.
本文从多媒体数据的定义及组成入手，分析了目前常用的多媒体数据存储模型，并阐述了基于内容多媒体数据检索技术。
Storage matrix of multimedia data is assayed in this paper. Meanwhile, this paper states the content-based retrieval technique of multimedia data.
为了把用户模型嵌入到图像检索系统中，基于内容的图像检索领域引入了相关反馈机制。
Relevence feedback is used for CBIR in order to embed user model into image search.
特别是在如今大规模的三维模型数据库中，高效和鲁棒的三维形状匹配算法是基于内容的三维模型检索中最为关心的问题。
Especially, the need for the ability to retrieve models based on geometry contents from large databases has gained a prominent and key concern of efficient and robust matching algorithms.
本文对几种基于内容的三维模型检索算法做了研究和讨论，并提出了几种新算法。
In this paper we research and discuss some sorts of content-based methods, and propose several new methods.
对基于内容的三维模型检索的应用背景和现有算法进行了研究。
The retrieval methods and application of the content-based 3D model were investigated.
三维模型几何相似性比较算法是基于内容的三维模型检索系统的一个主要研究方向。
The method for geometrical shape similarity matching among 3D models is one of main research problems of 3D model retrieval system.
分析总结了现有的基于内容的三维模型检索系统及搜索引擎的典型实例。
The currently available content-based 3d model retrieval systems and search engines are also introduced.
目前，对基于内容的三维模型检索的研究主要集中在检索过程所涉及到的算法方面，而对三维模型库的设计研究较少。
Most of the current available content-based 3D model retrieval techniques mainly focus on feature extraction and similarity measurement, and seldom involve the proper design of 3D model databases.
如何高效率地访问如此纷繁复杂的三维数据，促进人们展开了广阔的基于内容的三维模型索引和检索的研究工作。
Efficiently accessing such rich and complex 3d data motivated numerous and extensive research work within the area of content-based indexing and retrieval.
提取关于坐标旋转不变的特征描述符以及提高特征描述符对噪声的鲁棒性是基于内容三维模型检索技术中有待进一步研究解决的问题之一。
How to extract the rotation invariant feature and improve the stability of the noise is still an unsolved problem of the area of content-based 3d models retrieval.
在对已有三维模型检索技术的进行系统研究的基础上，本文提出了两种基于内容的三维模型检索技术。
The two new 3D model search methods are put forward in this thesis. These two methods all belong to shape-based retrieval techniques.
在对已有三维模型检索技术的进行系统研究的基础上，本文提出了两种基于内容的三维模型检索技术。
The two new 3D model search methods are put forward in this thesis. These two methods all belong to shape-based retrieval techniques.
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