CLOUD BASE HEIGHT ESTIMATION USING A LOW-COST DIGITAL CAMERA

被引：0
|
作者：
Janeiro, Fernando M. [1 ]
Wagner, Frank [2 ]
Ramos, Pedro M. [3 ]
Silva, A. M. [2 ]
机构：
[1] Univ Evora, Inst Telecomunicacoes, Evora, Portugal
[2] Univ Evora, Ctr Geofis Evora, Evora, Portugal
[3] Inst Super Tecn, Inst Telecomunicacoes, Lisbon, Portugal
来源：
XIX IMEKO WORLD CONGRESS: FUNDAMENTAL AND APPLIED METROLOGY, PROCEEDINGS | 2009年
关键词：
Cloud height; digital imaging; environmental measurements;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Cloud height, wind speed and direction at cloud height play an important role in air safety. This paper presents a low-cost system based on digital consumer cameras to estimate cloud base height. It is shown that both wind speed and direction at cloud level can also be obtained with this system. The method is based on triangulation and uses image registration to identify common cloud features in photographs taken from different positions. The wind speed and direction is obtained from two time-lapsed pictures taken from the same position.
引用
收藏
页码：2270 / 2273
页数：4
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