A SIMPLE CLOUD MASKING APPROACH USING NOAA AVHRR DAYTIME DATA FOR TROPICAL AREAS

被引：24

作者：

FRANCA, GB

CRACKNELL, AP

机构：

[1] Department of Applied Physics and Electronic and Mechanical Engineering, University of Dundee, Dundee

来源：

INTERNATIONAL JOURNAL OF REMOTE SENSING | 1995年 / 16卷 / 09期

关键词：

D O I：

10.1080/01431169508954506

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

A simple method for cloud detection for AVHRR daytime data is presented and checked for equatorial/tropical areas based on a study area in northeastern Brazil. Five different cloud masking techniques based on visible and infrared spectral information for cloud detection are calibrated. The significant differences between the equatorial threshold obtained in this work and the mid-latitude thresholds given by Saunders and Kriebel and by Thiermann and Ruprecht are compared and discussed. Results from the cloud masking algorithm are presented and comments are made about the problems related to the automatic cloud detection algorithm presented in this study.

引用

页码：1697 / 1705

页数：9

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