LIGHT-INTENSITY MEASUREMENTS FROM DARK NOISE-ANALYSIS OF VIDEO IMAGES

被引：3

作者：

KAMMOUN, F ^{[1
]}

ASTRUC, JP ^{[1
]}

BEYSENS, D ^{[1
]}

HEDE, P ^{[1
]}

GUENOUN, P ^{[1
]}

机构：

[1] CENS,SERV PHYS ETAT CONDENSE,F-91191 GIF SUR YVETTE,FRANCE

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 1992年 / 63卷 / 07期

关键词：

D O I：

10.1063/1.1143593

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

It is possible to determine the absolute intensity of a light signal recorded by a video camera with automatic gain by analyzing the background part of the recorded images. The method is based on the determination of the histogram of the gray levels of the dark pixels whose inverse variance appears to be proportional to the camera gain in a large domain of light intensity. An example is given by images recorded by a charge coupled device camera in a space experiment where the light transmittivity is used as a local probe for temperature measurements.

引用

页码：3659 / 3661

页数：3

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