Method of retrieval 3D models based on spherical harmonics

Computer Engineering and Applications ›› 2011, Vol. 47 ›› Issue (19): 194-196.

• 图形、图像、模式识别 • Previous Articles Next Articles

Method of retrieval 3D models based on spherical harmonics

TAN Xiao

1.College of Information Science and Engineering，Ocean University of China，Qingdao，Shandong 266004，China
2.Department of Information Technology，Shandong Institute of Hydraulic，Zibo，Shandong 255188，China

Received:1900-01-01 Revised:1900-01-01 Online:2011-07-01 Published:2011-07-01

一种基于球面调和分析的三维模型检索算法

谭晓

1.中国海洋大学信息科学与工程学院，山东青岛 266004
2.山东省水利职工大学信息技术系，山东淄博 255188

Abstract

Abstract: 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.The point cloud data are extracted from the 3D models surface by casting radiative lines from the center of model.Using spherical harmonic to the point cloud data can receive a set of rotation invariant feature vector and reduce the effect of the surface noise influence and improve the retrieval precision.Experimental result shows that the proposed method receives a better retrieval performance.

Key words: 3D models retrieval, feature extracting, rotation invariant, spherical harmonic

摘要： 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。将三维模型表面离散成三维点数据，然后使用球面调和方法对得到的点数据进行调和分析得到三维模型旋转不变的特征向量，并且能够增加算法对模型表面噪声的鲁棒性提高检索准确度。实验证明该算法在检索准确度和对噪声的鲁棒性上都有所提高。

关键词: 三维模型检索, 特征提取, 旋转不变, 球面调和

TAN Xiao. Method of retrieval 3D models based on spherical harmonics[J]. Computer Engineering and Applications, 2011, 47(19): 194-196.

谭晓. 一种基于球面调和分析的三维模型检索算法[J]. 计算机工程与应用, 2011, 47(19): 194-196.

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Method of retrieval 3D models based on spherical harmonics

一种基于球面调和分析的三维模型检索算法

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