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国土资源遥感  2014, Vol. 26 Issue (4): 23-28    DOI: 10.6046/gtzyyg.2014.04.04
  技术方法 本期目录 | 过刊浏览 | 高级检索 |
一种多尺度几何细节抽取的阴影处理算法
王博, 张永军, 陈奇
武汉大学遥感信息工程学院, 武汉 430079
A shadow processing algorithm based on extracted multi-scale geometric details
WANG Bo, ZHANG Yongjun, CHEN Qi
School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China
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摘要 

从高分辨率航空遥感影像的阴影处理角度出发,分析了阴影区域在彩色空间上的特征; 采用HIS彩色空间3个通道的联合阈值测度进行阴影检测,并利用高斯函数进行地物纹理几何细节的多尺度抽取,提出了针对影像灰度图的阴影补偿方法。实验证明,该方法能够在最大限度保留阴影区域原始特征的前提下,对阴影区域信息进行补偿,保证了影像后续处理的准确度和可靠性。

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李晓明
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关键词 偏最小二乘回归(PLSR)土壤盐分高光谱反演    
Abstract

From the shadow processing of high-resolution aerial remote sensing images, this paper analyzed the features of shadow in color space. Using combined thresholds of 3 channels in HIS color space and Gaussian function, the authors detected shadow area and its multi-scale geometric details which can compensate shadow area. The experiments prove that this method can maximize the retention of the original features in shadow area and get more reasonable compensation results, thus ensuring accuracy and reliability of the follow-up imaging.

Key wordspartial least squares regression (PLSR)    soil salinity    hyperspectral inversion
收稿日期: 2013-10-08      出版日期: 2014-09-17
:  TP75  
基金资助:

国家自然科学基金项目(编号:41171292,41322010)资助。

作者简介: 王博(1988-),男,博士研究生,主要研究方向为数字摄影测量与遥感及计算机视觉等。Email:461306789@qq.com。
引用本文:   
王博, 张永军, 陈奇. 一种多尺度几何细节抽取的阴影处理算法[J]. 国土资源遥感, 2014, 26(4): 23-28.
WANG Bo, ZHANG Yongjun, CHEN Qi. A shadow processing algorithm based on extracted multi-scale geometric details. REMOTE SENSING FOR LAND & RESOURCES, 2014, 26(4): 23-28.
链接本文:  
https://www.gtzyyg.com/CN/10.6046/gtzyyg.2014.04.04      或      https://www.gtzyyg.com/CN/Y2014/V26/I4/23

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