Second generation contourlet transform based texture image retrieval system

doi:10.3778/j.issn.1002-8331.2009.30.056

Computer Engineering and Applications ›› 2009, Vol. 45 ›› Issue (30): 185-187.DOI: 10.3778/j.issn.1002-8331.2009.30.056

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

Second generation contourlet transform based texture image retrieval system

CHEN Xin-wu^1，2，LIU Wei¹，TIAN Jin-wen¹

1.State Key Lab for Multi-Spectral Information Processing Technology，Huazhong University of Science and Technology，Wuhan 430074，China
2.College of Physics and Electronics，Xinyang Normal University，Xinyang，Henan 464000，China

Received:2008-06-04 Revised:2008-08-01 Online:2009-10-21 Published:2009-10-21
Contact: CHEN Xin-wu

第二代轮廓波纹理图像检索系统

陈新武^1，2，刘玮¹，田金文¹

1.华中科技大学多谱信息处理技术国家重点实验室，武汉 430074
2.信阳师范学院物理电子工程学院，河南信阳 464000

通讯作者: 陈新武

Abstract

Abstract: A second generation contourlet transform based texture image retrieval system is proposed.In the system，sub-bands energy and standard deviations in second generation contourlet domain are cascaded to form feature vectors，and the similarity metric is Canberra distance.Experimental results on 109 texture images from Brodatz album show that second generation contourlet transform based image retrieval system under the same system structure is superior to that of the original contourlet transform with almost same length of feature vectors，retrieval time and memory needed.

Key words: second generation contourlet transform, first generation contourlet transform, texture image, retrieval system, Canberra distance, retrieval rate, retrieval time

摘要： 提出了一种基于第二代轮廓波变换的纹理检索系统的实现方法。该系统采用第二代轮廓波变换域子带系数的能量和标准偏差序列作为特征向量，以Canberra距离为相似度度量标准。采用Brodatz纹理数据库中的109幅640×640的纹理图像为实验对象，比较了基于同样架构的第一代轮廓波变换和第二代轮廓波变换纹理检索系统的性能。实验结果表明：在特征向量长度、检索时间、所需存储空间基本相同的情况下，第二代轮廓波变换检索系统比第一代轮廓波变换检索系统具有更高的检索率。

关键词: 第二代轮廓波变换, 第一代轮廓波变换, 纹理图像, 检索系统, Canberra距离, 检索率, 检索时间, ,

CLC Number:

TN911.7

CHEN Xin-wu^1，2，LIU Wei¹，TIAN Jin-wen¹. Second generation contourlet transform based texture image retrieval system[J]. Computer Engineering and Applications, 2009, 45(30): 185-187.

陈新武^1，2，刘玮¹，田金文¹. 第二代轮廓波纹理图像检索系统[J]. 计算机工程与应用, 2009, 45(30): 185-187.

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Second generation contourlet transform based texture image retrieval system

第二代轮廓波纹理图像检索系统

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