Chinese Optics Letters, 2015, 13 (1): 010301, Published Online: Jan. 4, 2015  

Correspondence imaging based on correlation coefficients Download: 650次

Author Affiliations
1 Key Laboratory of Electronics and Information Technology for Space Systems, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190, China
2 University of Chinese Academy of Sciences, Beijing 100049, China
Abstract
In the context of correspondence ghost imaging, we utilize the correlation coefficients to separate the reference detector speckle patterns into positive and negative correlated parts. A positive image and a negative image of the object are obtained by averaging over corresponding speckle patterns. The visibility and contrast-to-noise ratio of the positive image are discussed, and it is found that the latter will reach a maximum by averaging over a little less than half of the total number of reference speckle patterns.
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Xuri Yao, Xuefeng Liu, Wenkai Yu, Guangjie Zhai. Correspondence imaging based on correlation coefficients[J]. Chinese Optics Letters, 2015, 13(1): 010301.

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