The use of digital hologram (DH) in optical medical images is analyzed in this paper. These analyses are done in various domains of double random phase encoding and it has been …
Anshula, H Singh - Optical and Quantum Electronics, 2021 - Springer
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 …
For any optical encryption and decryption systems, security is the major concern. In this paper, security of time varying nonlinear term embedded double random phase encoding …
The purpose of this paper is to propose an asymmetric double-image encryption scheme based on phase masks computed by elliptic curve cryptography. A hybrid gyrator Hartley …
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 …
Anshula, H Singh - Multimedia Tools and Applications, 2023 - Springer
This paper analyses the security of a nonlinear optical cryptosystem based on double random phase encoding (DRPE). This article is upgraded through an interference-based …
A Sangwan, H Singh - International Journal of Optics, 2021 - Wiley Online Library
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 …
In today's world achieving safe and efficient image transmission is a major issue. The image is encrypted by using some encryption technique and each algorithm has its strengths and …
G Abirami, R Girija, A Das… - Machine learning and …, 2022 - taylorfrancis.com
During every winter, causalities with disorders via air contamination are rapidly increasing. WHO's 2018 report states that around 7 million individuals die every 12-month period as a …