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Ghost imaging based on Pearson correlation coefficients
Yu Wen-Kai; Yao Xu-Ri; Liu Xue-Feng; Li Long-Zhen; Zhai Guang-Jie; Zhai, GJ (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Department空间技术部
Source PublicationCHINESE PHYSICS B
2015
Volume24Issue:5Pages:54203
ISSN1674-1056
Language英语
KeywordCoherence Image Forming And Processing Probability Theory
AbstractCorrespondence imaging is a new modality of ghost imaging, which can retrieve a positive/negative image by simple conditional averaging of the reference frames that correspond to relatively large/small values of the total intensity measured at the bucket detector. Here we propose and experimentally demonstrate a more rigorous and general approach in which a ghost image is retrieved by calculating a Pearson correlation coefficient between the bucket detector intensity and the brightness at a given pixel of the reference frames, and at the next pixel, and so on. Furthermore, we theoretically provide a statistical interpretation of these two imaging phenomena, and explain how the error depends on the sample size and what kind of distribution the error obeys. According to our analysis, the image signal-to-noise ratio can be greatly improved and the sampling number reduced by means of our new method.
Indexed BySCI ; EI
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/4652
Collection空间技术部
Corresponding AuthorZhai, GJ (reprint author), Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Yu Wen-Kai,Yao Xu-Ri,Liu Xue-Feng,et al. Ghost imaging based on Pearson correlation coefficients[J]. CHINESE PHYSICS B,2015,24(5):54203.
APA Yu Wen-Kai,Yao Xu-Ri,Liu Xue-Feng,Li Long-Zhen,Zhai Guang-Jie,&Zhai, GJ .(2015).Ghost imaging based on Pearson correlation coefficients.CHINESE PHYSICS B,24(5),54203.
MLA Yu Wen-Kai,et al."Ghost imaging based on Pearson correlation coefficients".CHINESE PHYSICS B 24.5(2015):54203.
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