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题名: Quantum limit of photon-counting imaging based on compressed sensing
作者: Liu, Xue-Feng; Yao, Xu-Ri; Wang, Chao; Guo, Xiao-Yong; Zhai, Guang-Jie
作者部门: 微波遥感部
关键词: Photons ; Shot noise ; Signal reconstruction
刊名: Optics Express
出版日期: 2017
卷号: 25, 期号:4, 页码:3286-3296
收录类别: EI
英文摘要: We experimentally demonstrate that the sensitivity of photon-counting imaging can be improved by 2 orders of magnitude with the compressed sensing (CS) theory. The maximum sensitivity of CS imaging under the quantum limit, which is approximately 1 photon in each pixel during one measurement, is quantitatively obtained through theoretical derivation and proved experimentally. The influences of dark noise and shot noise on photon-counting imaging are also studied to confirm the fundamental constrains on the imaging sensitivity of different imaging methods, which can guide the effort for further enhancing the ultra-weak light imaging ability. © 2017 Optical Society of America.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/5747
Appears in Collections:微波遥感部_期刊论文

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