Firstly, we consider the 3d model retrieval problem under a limited time resource.
在这篇论文里我们首先考虑了在有限时间资源情况下的三维模型检索问题。
In the research of 3d model retrieval based 2d sketch, people's knowledge is not usually adopted.
在基于2维草图检索3维模型的研究中，通常没有结合人的知识。
The currently available content-based 3d model retrieval systems and search engines are also introduced.
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 descriptor based on symmetry can commendably reflect shape information and be used in 3d model retrieval.
基于对称性的描述符可以很好地反映三维模型的形状信息，适用于三维模型检索领域。
The Princeton Shape benchmark has become one of the most prevailing benchmarks in 3d Model Retrieval community.
普林斯顿形状基准数据库已经成为当前三维模型检索研究人员使用最为广泛的基准数据库之一。
The content-based 3d model retrieval is one of the hot research problems in the multimedia information retrieval.
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。
To improve the efficiency of 3d model retrieval, an efficient retrieval of 3d models based on block was proposed.
针对三维模型检索性能较低的问题，提出一种基于子块的三维模型检索算法。
Improve a 3d model retrieval method based on the local distinctive region feature which can improve the retrieval effectiveness.
改进一种基于局部区分区域特征的三维模型检索方法，提高了检索效率。
The pose adjustment of 3D models is an important preprocess for 3D model retrieval, while its focus is on rotation normalization.
三维模型坐标归一化是三维模型检索中的一个重要预处理步骤，其重点是旋转归一化。
The method for geometrical shape similarity matching among 3D models is one of main research problems of 3D model retrieval system.
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。
We must resolve the problem of how to find a model that we need from so many models, and then the technology of 3d model retrieval was born.
面对大量的三维模型，如何从中找到我们需要的模型就成为一个必须解决的问题，于是三维模型的检索技术应运而生。
To improve the efficiency of 3d model retrieval, an algorithm for 3d model retrieval based on integer medial axis skeleton was proposed in this paper.
针对3维模型检索算法性能较低的问题，提出了一种基于整数中轴骨架的3维模型检索算法。
The experiment's result shows clustering analysis technique can be applied in the filed of 3D model retrieval and should have wide applied foreground.
实验结果表明聚类分析技术可以应用于三维模型检索领域并应该有广阔的应用前景。
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.
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。
The retrieval methods and application of the content-based 3D model were investigated.
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 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.
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。
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