Improved color texture descriptors for remote sensing image retrieval

Zhenfeng Shao; Weixun Zhou; Lei Zhang; Jihu Hou

doi:10.1117/1.JRS.8.083584

24 July 2014 Improved color texture descriptors for remote sensing image retrieval

Zhenfeng Shao, Weixun Zhou, Lei Zhang, Jihu Hou

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 8, Issue 1, 083584 (July 2014). https://doi.org/10.1117/1.JRS.8.083584

Abstract

Texture features are widely used in image retrieval literature. However, conventional texture features are extracted from grayscale images without taking color information into consideration. We present two improved texture descriptors, named color Gabor wavelet texture (CGWT) and color Gabor opponent texture (CGOT), respectively, for the purpose of remote sensing image retrieval. The former consists of unichrome features computed from color channels independently and opponent features computed across different color channels at different scales, while the latter consists of Gabor texture features and opponent features mentioned above. The two representations incorporate discriminative information among color bands, thus describing well the remote sensing images that have multiple objects. Experimental results demonstrate that CGWT yields better performance compared to other state-of-the-art texture features, and CGOT not only improves the retrieval results of some image classes that have unsatisfactory performance using CGWT representation, but also increases the average precision of all queried images further. In addition, a similarity measure function for proposed representation CGOT has been defined to give a convincing evaluation.

CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Zhenfeng Shao, Weixun Zhou, Lei Zhang, and Jihu Hou "Improved color texture descriptors for remote sensing image retrieval," Journal of Applied Remote Sensing 8(1), 083584 (24 July 2014). https://doi.org/10.1117/1.JRS.8.083584

Published: 24 July 2014

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Cited by 51 scholarly publications.

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KEYWORDS

Image retrieval

Remote sensing

Feature extraction

Distance measurement

Wavelets

Databases

Agriculture

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