Nonlinear optical double image encryption using random-optical vortex in fractional Hartley transform domain
H Singh - Optica Applicata, 2017 - yadda.icm.edu.pl
This paper proposed an enhanced asymmetric cryptosystem scheme for optical image
encryption in the fractional Hartley transform domain. Grayscale and binary images have …
encryption in the fractional Hartley transform domain. Grayscale and binary images have …
Watermarking image encryption using deterministic phase mask and singular value decomposition in fractional Mellin transform domain
H Singh - IET Image Processing, 2018 - Wiley Online Library
The aim of this study is watermarking image encryption based on the fractional Mellin
transform (FrMT) and singular value decomposition (SVD) using deterministic phase masks …
transform (FrMT) and singular value decomposition (SVD) using deterministic phase masks …
A cryptosystem based on deterministic phase masks and fractional Fourier transform deploying singular value decomposition
In this paper, an asymmetric cryptosystem has been proposed to enhance the security of
DRPE. The traditional DRPE scheme is thus tweaked by using fractional Fourier transform …
DRPE. The traditional DRPE scheme is thus tweaked by using fractional Fourier transform …
Hybrid structured phase mask in frequency plane for optical double image encryption in gyrator transform domain
H Singh - Journal of Modern Optics, 2018 - Taylor & Francis
This paper proposes a method of double image encryption based on hybrid structured
phase mask (HSPM) in the gyrator transform (GT) domain. The scheme becomes more …
phase mask (HSPM) in the gyrator transform (GT) domain. The scheme becomes more …
Security-enrichment of an asymmetric optical image encryption-based devil's vortex Fresnel lens phase mask and lower upper decomposition with partial pivoting in …
An asymmetric optical cryptosystem to encrypt images using devil's vortex Fresnel lens
(DVFLs) phase masks and lower upper decomposition with partial pivoting (LUDPP) is …
(DVFLs) phase masks and lower upper decomposition with partial pivoting (LUDPP) is …
Optical image encryption using chaos-based compressed sensing and phase-shifting interference in fractional wavelet domain
Q Liu, Y Wang, J Wang, QH Wang - Optical Review, 2018 - Springer
In this paper, a novel optical image encryption system combining compressed sensing with
phase-shifting interference in fractional wavelet domain is proposed. To improve the …
phase-shifting interference in fractional wavelet domain is proposed. To improve the …
An asymmetric image encryption based on phase truncated hybrid transform
To enhance the security of the system and to protect it from the attacker, this paper proposes
a new asymmetric cryptosystem based on hybrid approach of Phase Truncated Fourier and …
a new asymmetric cryptosystem based on hybrid approach of Phase Truncated Fourier and …
Cryptanalysis for double-image encryption using the DTLM in frequency plane with QR decomposition and gyrator transform
To enhance the security in optical image encryption scheme and to safeguard it from the
invaders, this paper proposes a new scheme using devil's toroidal lens masks (DTLMs) and …
invaders, this paper proposes a new scheme using devil's toroidal lens masks (DTLMs) and …
Cryptosystem for securing image encryption using structured phase masks in Fresnel wavelet transform domain
H Singh - 3D Research, 2016 - Springer
A cryptosystem for securing image encryption is considered by using double random phase
encoding in Fresnel wavelet transform (FWT) domain. Random phase masks (RPMs) and …
encoding in Fresnel wavelet transform (FWT) domain. Random phase masks (RPMs) and …
A secure asymmetric optical image encryption based on phase truncation and singular value decomposition in linear canonical transform domain
A new asymmetric optical double image encryption algorithm is proposed, which combines
phase truncation and singular value decomposition. The plain text is encrypted with two …
phase truncation and singular value decomposition. The plain text is encrypted with two …