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EXACT MAXIMUM LIKELIHOOD ERROR ESTIMATION ALGORITHM IN MMW/IR IMAGING SYSTEM
Alternative TitleExact maximum likelihood error estimation algorithm in mmw/ir imaging system
Qi Lin1; Su WenBo1; Shi ZeLin1
2010
Source PublicationJOURNAL OF INFRARED AND MILLIMETER WAVES
ISSN1001-9014
Volume29Issue:5Pages:372-377
AbstractAn exact maximum likelihood error estimation algorithm based on unbiased converted measurements (UCM-EML) was proposed in order to estimate systematic errors of a MMW radar/IR imaging composite system accurately. An error estimation model was formulated based on measurement noises in polar coordinates, then the criterion function and the corresponding negative log likelihood function were given. The algorithm was implemented using a recursive two-step optimization that involves a modified Gauss-Newton procedure. Simulation results show that the UCM-EML algorithm is better than the exact maximum likelihood (EML) algorithm and the modified exact maximum likelihood (MEML) algorithm on performance and convergence rate.
Other AbstractAn exact maximum likelihood error estimation algorithm based on unbiased converted measurements (ucm-eml) was proposed in order to estimate systematic errors of a mmw radar/ir imaging composite system accurately. an error estimation model was formulated based on measurement noises in polar coordinates, then the criterion function and the corresponding negative log likelihood function were given. the algorithm was implemented using a recursive two-step optimization that involves a modified gauss-newton procedure. simulation results show that the ucm-eml algorithm is better than the exact maximum likelihood (eml) algorithm and the modified exact maximum likelihood (meml) algorithm on performance and convergence rate.
KeywordDATA FUSION REGISTRATION ALGORITHM CONVERTED MEASUREMENTS data fusion error estimation maximum likelihood estimation unbiased converted measurement
Indexed ByCSCD
Language英语
CSCD IDCSCD:4059093
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/144998
Collection中国科学院金属研究所
Affiliation1.中国科学院
2.中国科学院大学
3.中国科学院金属研究所
Recommended Citation
GB/T 7714
Qi Lin,Su WenBo,Shi ZeLin. EXACT MAXIMUM LIKELIHOOD ERROR ESTIMATION ALGORITHM IN MMW/IR IMAGING SYSTEM[J]. JOURNAL OF INFRARED AND MILLIMETER WAVES,2010,29(5):372-377.
APA Qi Lin,Su WenBo,&Shi ZeLin.(2010).EXACT MAXIMUM LIKELIHOOD ERROR ESTIMATION ALGORITHM IN MMW/IR IMAGING SYSTEM.JOURNAL OF INFRARED AND MILLIMETER WAVES,29(5),372-377.
MLA Qi Lin,et al."EXACT MAXIMUM LIKELIHOOD ERROR ESTIMATION ALGORITHM IN MMW/IR IMAGING SYSTEM".JOURNAL OF INFRARED AND MILLIMETER WAVES 29.5(2010):372-377.
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