Iterative normalized correspondence ghost imaging
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DOI: 10.1016/j.ijleo.2018.02.005
Abstract: Abstract We propose a technique, which we call iterative normalized correspondence ghost imaging, to remove noise and improve the quality of traditional ghost imaging (GI). An iterative model based on correspondence imaging is established by… read more here.
Keywords: correspondence; correspondence ghost; normalized correspondence; ghost imaging ... See more keywords
Multidirectional edge detection based on gradient ghost imaging
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DOI: 10.1016/j.ijleo.2019.163768
Abstract: Abstract Gradient ghost imaging (GGI) is a new imaging method that can directly obtain the edge information of an unknown object from the correlation of light intensity fluctuations. However, this technique faces the problems of… read more here.
Keywords: gradient ghost; edge detection; ghost; multidirectional edge ... See more keywords
Edge detection based on computational ghost imaging with structured illuminations
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DOI: 10.1016/j.optcom.2017.10.016
Abstract: Abstract Edge detection is one of the most important tools to recognize the features of an object. In this paper, we propose an optical edge detection method based on computational ghost imaging (CGI) with structured… read more here.
Keywords: computational ghost; edge detection; detection; based computational ... See more keywords
Compressive ghost imaging in the presence of environmental noise
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DOI: 10.1016/j.optcom.2018.12.024
Abstract: Abstract Compressive ghost imaging (CGI) is a single-pixel imaging technique and has attracted the attention of many researchers in the field. Traditional techniques for CGI are very sensitive to environmental noises. In this paper, we… read more here.
Keywords: noise; compressive ghost; presence environmental; ghost imaging ... See more keywords
An effective compressive computational ghost imaging with hybrid speckle pattern
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DOI: 10.1016/j.optcom.2019.124470
Abstract: Abstract As an important factor to determine the quality of imaging, the sizes of the speckle pixel have gained increasing attention in ghost imaging. This paper proposes a new compressive computational ghost imaging which using hybrid speckle pattern to retrieve the… read more here.
Keywords: pattern; ghost imaging; speckle pattern; hybrid speckle ... See more keywords
A blind watermarking scheme based on computational ghost imaging in wavelet domain
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DOI: 10.1016/j.optcom.2020.126568
Abstract: Abstract A secure, robust, and blind watermarking method based on computational ghost imaging (CGI) in the discrete wavelet transform domain is proposed. In this method, an original watermark is firstly encrypted by the CGI system with chaotic key, then the… read more here.
Keywords: computational ghost; watermarking scheme; blind watermarking; wavelet ... See more keywords
Optical encryption based on ghost imaging and public key cryptography
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DOI: 10.1016/j.optlaseng.2018.07.014
Abstract: Abstract In this paper, according to the phase object in the ghost imaging has a stealth effect, we proposed an optical encryption method based on compressive ghost imaging and public key cryptography. This method solves… read more here.
Keywords: optical encryption; encryption; imaging public; public key ... See more keywords
Increase the frame rate of a camera via temporal ghost imaging
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DOI: 10.1016/j.optlaseng.2019.06.007
Abstract: Computational temporal ghost imaging (CTGI) allows the reconstruction of a fast signal from a two dimensional detection with no temporal resolution. High speed spatial modulation is implemented to encode temporal detail of the signal into… read more here.
Keywords: temporal ghost; camera; frame rate; rate camera ... See more keywords
Online adaptive computational ghost imaging
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DOI: 10.1016/j.optlaseng.2020.106028
Abstract: Abstract We propose an online adaptive computational ghost imaging (CGI) scheme that offers high quality imaging with few measurement numbers. Different from the conventional second-order correlation CGI, the proposed scheme utilizes an online imaging method… read more here.
Keywords: computational ghost; adaptive computational; scheme; proposed scheme ... See more keywords
Optical multilevel authentication based on singular value decomposition ghost imaging and secret sharing cryptography
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DOI: 10.1016/j.optlaseng.2020.106370
Abstract: Abstract An optical multilevel authentication method is proposed that is based on the singular value decomposition ghost imaging (SVDGI) and (t, n) threshold secret sharing scheme. SVDGI provides an efficient reconstruction method in ghost imaging… read more here.
Keywords: singular value; authentication; multilevel authentication; secret sharing ... See more keywords
Time-Resolved Nonlinear Ghost Imaging
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DOI: 10.1021/acsphotonics.8b00653
Abstract: Terahertz (THz) spectroscopy systems are widely employed to retrieve the chemical and material composition of a sample. This is single-handedly the most important driving motivation in the field and has largely contributed to shaping THz… read more here.
Keywords: time; time resolved; spectroscopy; nonlinear ghost ... See more keywords