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遥感技术与应用  2011, Vol. 26 Issue (2): 163-168    DOI: 10.11873/j.issn.1004-0323.2011.2.163
研究与应用     
基于面向对象分类的南方水稻种植面积提取方法
陈燕丽1,2,莫伟华1,2,莫建飞1,2,王君华1,2,钟仕全1,2
(1.广西气象减灾研究所,广西 南宁 530022;
2.国家卫星气象中心应用遥感试验基地,广西 南宁 530022)
Object-oriented Classification for the Extraction of Rice Planting Area in South
CHEN Yan-li1,2,MO Wei-hua1,2,MO Jian-fei1,2,WANG Jun-hua1,2,ZHONG Shi-quan1,2
(1.Guangxi Meteorological Disaster Mitigation Institute,Nanning 530022,China;
2.Remote Sensing Application and Validation Base of NSMC,Nanning 530022,China)
 全文: PDF(943 KB)  
摘要:

南方丘陵地区水稻种植具有分散、地块小、形状多样等特点,利用中低分辨率遥感数据提取水稻种植面积,难以满足精度要求。以SPOT5遥感影像为数据源,应用面向对象的分类方法提取了广西玉林市辖区晚稻种植面积。针对试验区不同稻作区的种植特点,选择其适合的尺度及参数进行多尺度影像分割,建立影像对象的层次结构,计算对象的光谱、几何及拓扑关系等特征,形成分类规则对不同稻作区进行信息提取。采用野外实地调查数据对分类结果进行类别和面积一致性检验,总体精度96.31%,Kappa系数0.9226,面积一致性精度99.92%。

关键词: 面向对象分类SPOT5多尺度影像分割信息提取水稻种植面积    
Abstract:

Rice planting in southern hills exhibits many characteristics,such as scattered,small land,diverse shape and so on.Using low\|resolution remote sensing data for the extraction of rice planting area can not meet the required precision.Object\|oriented classification of SPOT5 image has been carried out to extract the rice planting area of Yulin city in Guangxi province.As different characteristics of the rice planting area,appropriate scale and parameters were selected to multi\|scale image segmentation,a hierarchy of images objects is established.Then we calculated the object's spectral,geometric and topological characteristics and form the classification rules for different rice areas to extract rice information.Field survey data was used in area and category of classification consistency test,the overall accuracy of 96.31%,Kappa coefficient of 0.9226,an area of consistent accuracy of 99.92%.

Key words: Object-oriented    SPOT5    Multi-scale image segmentation    Information extraction    Rice    Planting area
收稿日期: 2010-10-15 出版日期: 2011-07-25
:  TP 79  
基金资助:

广西科学研究与技术开发计划项目(桂科攻0816006-8),广西科学基金项目(桂科自0832204)。

作者简介: 陈燕丽(1982-),女,广西柳州人,工程师,主要从事生态气象与遥感应用研究。Email:cyl0505@sina.com。
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引用本文:

陈燕丽,莫伟华,莫建飞,王君华,钟仕全. 基于面向对象分类的南方水稻种植面积提取方法[J]. 遥感技术与应用, 2011, 26(2): 163-168.

CHEN Yan-li,MO Wei-hua,MO Jian-fei,WANG Jun-hua,ZHO Shiquan. Object-oriented Classification for the Extraction of Rice Planting Area in South. Remote Sensing Technology and Application, 2011, 26(2): 163-168.

链接本文:

http://www.rsta.ac.cn/CN/10.11873/j.issn.1004-0323.2011.2.163        http://www.rsta.ac.cn/CN/Y2011/V26/I2/163

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