F-number and focal length of light field systems: a comparative study of field of view, light efficiency, signal to noise ratio, and depth of field

被引：3
|
作者：
Ihrke, Ivo [1 ,2 ]
机构：
[1] Univ Siegen, Ctr Sensor Syst ZESS, Paul Bonatz Str 9-11, D-57054 Siegen, Germany
[2] KLens GmbH, Romerkastell 4, D-66121 Saarbrucken, Germany
来源：
OPTICS CONTINUUM | 2022年 / 1卷 / 04期
关键词：
CAMERAS; MODEL;
D O I：
10.1364/OPTCON.445077
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The paper discusses the light efficiency and signal-to-noise ratio (SNR) of light field imaging systems in comparison to classical 2D imaging, which necessitates the definition of focal length and f-number. A comparison framework between 2D imaging and arbitrary light field imaging systems is developed and exemplified for the kaleidoscopic and the afocal light field imaging architectures. Since the f-number, in addition to the light efficiency of the system, is conceptually linked to the depth-of-field, an appropriate depth-of-field interpretation for light field systems is discussed as well.
引用
收藏
页码：919 / 933
页数：15
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