Abstract

The performances of ghost imaging and conventional imaging in photon shot noise cases are investigated. We define an imaging signal-to-noise ratio called SNR^tran where only the object’s transmission region is used to evaluate the imaging quality and it can be applied to ghost imaging (GI) with any random pattern. Both the values SNRGItran of GI and SNRCItran of conventional imaging in photon shot noise cases are deduced from a simple statistical analysis. The analytical results, which are backed up by numerical simulations, demonstrate that the value SNRGItran is related to the ratio between the object’s transmission area Ao and the number density of photons illuminating the object plane Io, which is similar to the theoretical results based on the first principle of GI with a Gaussian speckle field deduced by B. I. Erkmen and J. H. Shapiro [in Adv. Opt. Photonics 2, 405–450 (2010)]. In addition, we also show that the value SNRCItran will be larger than SNRGItran when Ao is beyond a threshold value.

© 2020 Chinese Laser Press

Negative influence of detector noise on ghost imaging based on the photon counting technique at low light levels

Xiaohui Shi, Hengxing Li, Yanfeng Bai, and Xiquan Fu
Appl. Opt. 56(26) 7320-7326 (2017)

Gerchberg-Saxton-like ghost imaging

Wei Wang, Xuemei Hu, Jindan Liu, Suzheng Zhang, Jinli Suo, and Guohai Situ
Opt. Express 23(22) 28416-28422 (2015)

Iterative denoising of ghost imaging

Xu-Ri Yao, Wen-Kai Yu, Xue-Feng Liu, Long-Zhen Li, Ming-Fei Li, Ling-An Wu, and Guang-Jie Zhai
Opt. Express 22(20) 24268-24275 (2014)

High-order thermal ghost imaging

Kam Wai Clifford Chan, Malcolm N. O'Sullivan, and Robert W. Boyd
Opt. Lett. 34(21) 3343-3345 (2009)

High quality computational ghost imaging using multi-fluorescent screen

Hossein Ghanbari-Ghalehjoughi, Sohrab Ahmadi-Kandjani, and Mansour Eslami
J. Opt. Soc. Am. A 32(2) 323-328 (2015)