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偏振滤波抑制大气背景光的性能计算模型
Alternative TitleA New Computational Model for Performance of Airlight Rejection Utilizing Polarization Filtering
冯斌; 史泽林; 艾锐; 周全赟
Department光电信息研究室
Source Publication光学学报
ISSN0253-2239
2011
Volume31Issue:4Pages:21-30
Indexed ByEI ; CSCD
EI Accession number20112013990620
CSCD IDCSCD:4170525
Contribution Rank1
Funding Organization国家973计划资助课题
Keyword大气光学 性能计算模型 偏振滤波 大气背景光 大气能见度 偏振片 图像对比度 背景光抑制 抑制效果 地物反射特性
Abstract如何定量计算和预测在不同条件下偏振滤波抑制大气背景光的效果,目前缺乏合适的性能表征量及其计算模型,为此提出了偏振滤波抑制大气背景光的性能计算模型。定义了大气背景光抑制比(ARR),综合天空光相对光谱辐射功率模型和地面太阳直接辐射光谱模型、地物反射特性等,给出了以太阳方位、相机光轴方向、大气能见度和地物光谱反射率等为输入参数的ARR计算公式。该模型的仿真实验结果表明,在晴天与轻霾天气条件下,太阳夹角、大气能见度和地物类型三因素的变化对ARR的影响依次减弱; 太阳夹角的变化强烈影响ARR; 偏振滤波对多数地物取得相似的大气背景光抑制效果; ARR指标值越大,图像对比度提高越明显。
Other AbstractThere are no appropriate performance characteristic parameters and computational models to quantitatively compute and predict the performance of airlight rejection utilizing polarization filtering under different conditions.Therefore,a computational model for performance of airlight rejection utilizing polarization filtering is presented.This model defines the airlight rejection ratio(ARR),integrates a model for skylight relative spectral radiant power,a solar spectral model for direct irradiance on horizon...
Language中文
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/7144
Collection光电信息技术研究室
Corresponding Author冯斌
Affiliation1.中国科学院沈阳自动化研究所
2.中国科学院研究生院
Recommended Citation
GB/T 7714
冯斌,史泽林,艾锐,等. 偏振滤波抑制大气背景光的性能计算模型[J]. 光学学报,2011,31(4):21-30.
APA 冯斌,史泽林,艾锐,&周全赟.(2011).偏振滤波抑制大气背景光的性能计算模型.光学学报,31(4),21-30.
MLA 冯斌,et al."偏振滤波抑制大气背景光的性能计算模型".光学学报 31.4(2011):21-30.
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