Enhancing robustness of ghost imaging against environment noise via cross-correlation in time domain | Zendy

Dong Li | Zendy; Ding Yang | Zendy; Shuai Sun | Zendy; Yuegang Li | Zendy; Liang Jiang | Zendy; Huizu Lin | Zendy; Wei-Tao Liu | Zendy

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Enhancing robustness of ghost imaging against environment noise via cross-correlation in time domain

Author(s) -

Dong Li,

Ding Yang,

Shuai Sun,

Yuegang Li,

Liang Jiang,

Huizu Lin,

Wei-Tao Liu

Publication year - 2021

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.439519

Subject(s) - ghost imaging , robustness (evolution) , optics , image quality , cross correlation , computer science , noise (video) , signal to noise ratio (imaging) , spatial frequency , physics , computer vision , mathematics , image (mathematics) , mathematical analysis , biochemistry , chemistry , gene

Research towards practical applications of ghost imaging attracts more and more attention in recent years. Signal-to-noise ratio (SNR) of bucket results thus quality of images can be greatly affected by environmental noise, such as strong background light. We introduce temporal cross-correlation into typical ghost imaging to improve SNR of bucket value, taking temporal profile of illumination pulses as a prior information. Experimental results at sunny noontime verified our method, with the imaging quality greatly improved for the object at a distance of 1.3km. We also show the possibility of 3-dimensional imaging, experimentally.

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