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Issue:
Analysis and Discussion of Natural Conditions' Impact on Aerial Photography
Author(s):
DU Yan-lei
,
HAN Ling
Pages:
107
-
111
Year:
2013
Issue:
3
Journal:
Remote Sensing Information
Keyword:
optical density
;
brightness
;
solar elevation angle
;
atmospheric transmissivity
;
radiative transfer equation
;
Abstract:
从摄影理论和太阳辐射理论出发,介绍了胶片航空摄影测量中影响影像质量的各种自然因素,得出各影响因素的综合作用公式,将影像质量由光学密度D及光学密度差△D来表示,建立空间各影响因素对地面景物亮度影响的模型.其中对大气透过率值的确定采用吴晓《地球大气透过率计算方法》中的处理方法,对地表散射采用朗伯散射的处理方法.通过该模型从定量角度综合地探讨了各自然因素是如何影响影像质量的,为胶片航空摄影中摄影条件的选择提供理论依据.
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