Advanced Processing of Astronomical Images Obtained from Optical Systems with Ultra Wide Field of View

被引：0
|
作者：
Rerabek, Martin [1 ]
Pata, Petr [1 ]
机构：
[1] Czech Tech Univ, Fac Elect Engn, Dept Radioelect, Tech 2, Prague 16627 6, Czech Republic
来源：
APPLICATIONS OF DIGITAL IMAGE PROCESSING XXXII | 2009年 / 7443卷
关键词：
Image processing; PSF; Zernike polynomial; Optical aberration; Space variant; Deconvolution algorithm;
D O I：
10.1117/12.827016
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The principal aim of this paper is to present a general view of the special optical systems used for acquiring of the astronomical image data, which are commonly called WFC or UWFC (Ultra Wide Field Camera), and of their transfer characteristics. UWFC image data analysis is very difficult. Images obtained from UWFC systems are distorted by many various optical aberrations. The influence of optical aberrations increases towards margins of the field of view. These aberrations distort the point spread function of the optical system and rapidly cut the accuracy of measurements. UWFC systems frequently have so called spatially variant properties. This paper deals with simulation and modeling of the UWFC optical systems used in astronomy and their transfer characteristics.
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页数：8
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