Comparison of reconstructed images between ghost imaging and Hadamard transform imaging

We compared images reconstructed by three methods: ghost imaging (GI), Hadamard transform imaging (HTI), and scan-based imaging. Although GI and HTI use a bucket (or single channel) detector, GI has attracted more attention than HTI in recent years. Nevertheless, a direct comparison between them has...

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Bibliographic Details
Published in:Optical review (Tokyo, Japan) Japan), 2015-12, Vol.22 (6), p.897-902
Main Authors: Shibuya, Kyuki, Nakae, Katsuhiro, Mizutani, Yasuhiro, Iwata, Tetsuo
Format: Article
Language:English
Subjects:
Atomic
Lasers
Microwaves
Molecular
Optical and Plasma Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Quantum Optics
Regular Paper
RF and Optical Engineering
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Summary:We compared images reconstructed by three methods: ghost imaging (GI), Hadamard transform imaging (HTI), and scan-based imaging. Although GI and HTI use a bucket (or single channel) detector, GI has attracted more attention than HTI in recent years. Nevertheless, a direct comparison between them has not yet been conducted to the best of our knowledge. In the present work, we evaluate contrast ratios of images obtained from computational GI (CGI) and HTI under various signal-to-noise ratio (SNR) conditions. Our results indicate that HTI and CGI are useful in high- and low-SNR situations, respectively, although both methods have a similar performance.
ISSN:1340-6000
1349-9432
DOI:10.1007/s10043-015-0138-x