景观破碎化区域土地覆被面向对象分类研究——以皖南山区为例

doi:10.7523/j.issn.2095-6134.2014.05.007

中国科学院大学学报 ›› 2014, Vol. 31 ›› Issue (5): 626-631.DOI: 10.7523/j.issn.2095-6134.2014.05.007

景观破碎化区域土地覆被面向对象分类研究——以皖南山区为例

刘桂林^1,2, 张落成¹, 赵金丽^1,2

1. 中国科学院南京地理与湖泊研究所湖泊与环境国家重点实验室, 南京 210008;
2. 中国科学院大学, 北京 100049

收稿日期:2013-02-26 修回日期:2013-09-25 发布日期:2014-09-15
通讯作者: 张落成，E-mail：lchzhang@niglas.ac.cn
基金资助:
国家自然科学基金（41130750）、国家海洋公益专项（201005009-13）、中国科学院重点部署项目（KZZD-EW-10-04-2）和中国科学院南京地理与湖泊研究所135项目（NIGLAS2012135006）资助

Study on land-cover classification using object-oriented method in landscape fragmentation zone：in the mountainous region of southern Anhui

LIU Guilin^1,2, ZHANG Luocheng¹, ZHAO Jinli^1,2

1. State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China

Received:2013-02-26 Revised:2013-09-25 Published:2014-09-15

摘要/Abstract

摘要：

以景观破碎化的皖南山区为试验靶区，基于2009年4期的Landsat 5 TM与HJ-1/CCD遥感影像，结合野外调查数据，分析土地覆被类型在影像上的特征，挖掘出相应的光谱、纹理、空间及时相等信息，获取相关特征波段.基于See 5.0软件，根据训练样本筛选特征波段及组合并获取最佳阈值.基于面向对象分类软件，对TM影像进行尺度10、30的2级分割，参照最佳特征波段及阈值建立规则集并获取分类数据.结果表明：基于面向对象的多时相分类法能精确地获取土地覆被数据，精度均高于92%，其在以皖南山区为代表的景观破碎化区域适用性较高.

关键词: 多时相遥感影像, 面向对象分类, 破碎化, 皖南山区

Abstract:

Landsat 5 TM and HJ-1 CCD images in 2009 were selected for land-cover classification in mountainous region of southern Anhui. Combining with field survey data, we analyzed land-cover characteristics to dig out spectrum, texture, spatial and temporal information, and obtained the feature bands of the corresponding land-cover types. Using See 5.0 software, we oltained the optimal feature bands and thresholds of land-cover types based on training samples. The rule sets of land-cover classification were established using eCognition Developer 8.64 software. The results showed that, by using the object-oriented classification method based on multi-temporal remote sensing images, the land-cover classification with accuracies higher than 92% was acquired. This method is suitable for land-cover classification in the mountainous region of southern Anhui.

Key words: multi-temporal remote sensing imagery, object-oriented classification, fragmentation, mountainous region of southern Anhui

中图分类号:

TP751.1

刘桂林, 张落成, 赵金丽. 景观破碎化区域土地覆被面向对象分类研究——以皖南山区为例[J]. 中国科学院大学学报, 2014, 31(5): 626-631.

LIU Guilin, ZHANG Luocheng, ZHAO Jinli. Study on land-cover classification using object-oriented method in landscape fragmentation zone：in the mountainous region of southern Anhui[J]. , 2014, 31(5): 626-631.

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景观破碎化区域土地覆被面向对象分类研究——以皖南山区为例

Study on land-cover classification using object-oriented method in landscape fragmentation zone：in the mountainous region of southern Anhui

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