| 树冠提取技术研究进展 |
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| 引用本文： | 付尧,王新杰,孙玉军,汪锦.树冠提取技术研究进展[J].世界林业研究,2013,26(4):38-42. |
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| 作者姓名： | 付尧 王新杰 孙玉军 汪锦 |
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| 作者单位： | 北京林业大学省部共建森林培育与保护教育部重点实验室,北京,100083 |
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| 基金项目： | 林业公益性行业科研专项林改后南方林地可持续经营关键技术研究与集成示范(201004008);林业公益性行业科研专项基于林改的森林多功能经营技术研究与示范(200904003-1) |
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| 摘 要： | 树冠是预估树木生长量的基本参数之一,树冠的提取在森林资源管理中越来越受到重视,但准确获得树冠的形状和边缘信息比较困难.目前,国内外树冠提取研究主要是利用高分辨率影像、航空像片、数码相机影像以及雷达等介质,以面向对象多尺度分割技术为主,兼有专家分类、三维扫描、BP神经网络等方法.文中介绍了树冠提取技术的主要方法,总结了树冠提取技术中存在的问题及发展前景.
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| 关 键 词： | 树冠 树冠提取 面向对象 影像分割 遥感技术应用 |
| 收稿时间： | 2012/11/9 0:00:00 |
A Study of Tree Crown Information Extraction Method |
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| Fu Yao,Wang Xinjie,Sun Yujun and Wang Jin.A Study of Tree Crown Information Extraction Method[J].World Forestry Research,2013,26(4):38-42. |
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| Authors: | Fu Yao Wang Xinjie Sun Yujun and Wang Jin |
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| Institution: | The Key Laboratory for Silviculture and Forest Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China;The Key Laboratory for Silviculture and Forest Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China;The Key Laboratory for Silviculture and Forest Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China;The Key Laboratory for Silviculture and Forest Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, China |
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| Abstract: | Tree crown is one of the basic parameters by which we can estimate the increment. More and more attention has been paid to tree crown information extraction and its application to forest resources management, but it is difficult to extract the shape and edge information of tree crown accurately. In the recent researches, high resolution images, aerial photograph, digital camera images, radar, etc. have been used to extract tree crown information with object-oriented segmentation technology, supplemented by expert classification, 3D scanning and the BP network method. The paper introduced the main methods used in tree crown extraction technologies and finally summarized the problems and development prospects of crown extraction technology. |
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| Keywords: | tree crown tree crown extraction object-oriented image segmentation application of remote sensing technology |
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