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Estimating exposure and noise of space target image with bidirectional reflectance distribution function
Liu, Xinlong1,2; Yi, Hongwei1; Cheng, Ying1
2018
Conference Name10th International Conference on Digital Image Processing, ICDIP 2018
Source PublicationTenth International Conference on Digital Image Processing, ICDIP 2018
Volume10806
Conference Date2018-05-11
Conference PlaceShanghai, China
PublisherSPIE
Contribution Rank1
Abstract

A modeling method is proposed for the visible light scattering characteristics of space objects, and a bidirectional reflection distribution function is introduced based on the radiation theory, using a material micro-surface based on Davies model. The visible light scattering characteristics of a spatial target are studied by the model. The different material irradiance of space target is simulated respectively, and the specific camera parameters are combined: 1. To analyze the range of gray values after space target imaging for different exposure times, 2. To calculates the possible signal-to-noise ratio of the image by calculating the noise of the camera imaging. At last, the suitable exposure time can be determined by the extremum of gray value, which can avoid the occurrence of excessive exposure or the analysis and evaluation of the quality of space visible light imaging combined with the noise. © 2018 SPIE.

KeywordSpace Targets Bidirectional Reflection Distribution Function (Brdf) Image Quality Assessment Image Noise
Department空间光学应用研究室
DOI10.1117/12.2503090
Indexed ByEI ; CPCI
ISBN9781510621992
Language英语
ISSN0277786X;1996756X
WOS IDWOS:000452819600159
EI Accession Number20183605779261
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30608
Collection空间光学应用研究室
Affiliation1.Xi'an Institute of Optics and Precision Mechanics of CAS, Xi'an, Shaanxi; 710119, China;
2.Shaanxi Normal University, Xi'an, Shaanxi; 710119, China
Recommended Citation
GB/T 7714
Liu, Xinlong,Yi, Hongwei,Cheng, Ying. Estimating exposure and noise of space target image with bidirectional reflectance distribution function[C]:SPIE,2018.
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