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国土资源遥感  2008, Vol. 20 Issue (2): 9-13    DOI: 10.6046/gtzyyg.2008.02.03
  技术方法 本期目录 | 过刊浏览 | 高级检索 |
加入不变矩的高分辨率遥感图像分类
徐海卿,李培军,沈毅
北京大学地球与空间科学学院遥感与地理信息系统研究所,北京 100871
THE APPLICATION OF INVARIANT MOMENTS TO HIGH RESOLUTION REMOTE SENSING IMAGE CLASSIFICATION
 XU Hai-Qing, LI Pei-Jun, CHEN Yi
Institute of Remote Sensing and GIS,School of Earth and Space Sciences,Peking University,Beijing 100871,China
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摘要 

不变矩是表达图像几何形状信息的参数,具有几何变换的稳定性,在图像识别领域已经得到广泛应用。本文将3种常用的不变矩,即胡氏矩、Zernike矩和小波矩,运用到高分辨率遥感图像分类中,并与只利用光谱信息的图像分类结果进行对比。结果表明,在高分辨率图像分类中加入不变矩图像可以显著提高分类精度,尤其是对那些具有相似光谱特征但同时具有不同形状和结构特征的地物分类更加有效。

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关键词 海洋初级生产力卫星探测    
Abstract

Invariant moments represent a very important shape feature of the image. With their invariant function of geometric transformation,they have been widely used in the field of image analysis. In this paper,shape features extracted from images by using three types of commonly used invariant moments,namely Hu moments,Zernike moments and Wavelet moments,were applied to high resolution remote sensing image classification and compared with the image classification only utilizing spectral information. The results show that,when the shape features defined by invariant moments are included in high resolution image classification,accuracies significantly increase. Higher accuracies can be especially achieved for those classes which have similar spectral features but different structural and shape features.

Key wordsOcean primary productivity    Satellite measuring
收稿日期: 2007-11-23      出版日期: 2009-07-15
: 

TP75

 
通讯作者: 徐海卿(1985-),男,地理信息系统专业,目前主要从事高分辨率遥感信息处理方法研究。
引用本文:   
徐海卿, 李培军, 沈毅. 加入不变矩的高分辨率遥感图像分类[J]. 国土资源遥感, 2008, 20(2): 9-13.
XU Hai-Qing, LI Pei-Jun, CHEN Yi. THE APPLICATION OF INVARIANT MOMENTS TO HIGH RESOLUTION REMOTE SENSING IMAGE CLASSIFICATION. REMOTE SENSING FOR LAND & RESOURCES, 2008, 20(2): 9-13.
链接本文:  
https://www.gtzyyg.com/CN/10.6046/gtzyyg.2008.02.03      或      https://www.gtzyyg.com/CN/Y2008/V20/I2/9
[1] 吴培中. 海洋初级生产力的卫星探测[J]. 国土资源遥感, 2000, 12(3): 7-15.
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