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Hukum Singh
English
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Article
An optical vortex-based asymmetric cryptosystem using QZ modulation for the double image encryption in the gyrator transform
The current study proposes a new nonlinear cryptosystem that employs complex phase masks named as optical vortices (OVs) which are obtained from the phases of the radial Hilbert mask (RHM) and Toroidal Fresnel...
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Article
A hybrid cryptosystem based on Radon transform, devil’s vortex Fresnel lens phase mask, and Arnold transform
A cryptographic approach for image encryption in the Radon domain is presented in this paper. Grayscale-, and binary images are used to validate the technique. The images are encrypted using a combination of t...
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Article
Double iris image asymmetric encryption mechanism using rear mounted spiral phase mask in hybrid transform domain
This paper represents a unique approach to augment the security of iris images by utilizing twin decomposition techniques in a hybrid transform domain, coupled with a rear-mounted spiral phase mask. To introdu...
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Article
Soil nitrogen availability determines the CO2 fertilization effect on tree species (Neolamarckia cadamba): growth and physiological evidence
Urban plantation species experience multiple stresses. Among these, the two significant challenges are increasing atmospheric CO2 concentration and nutrient-depleted soils, which significantly impede growth, deve...
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Article
Physiological and molecular insights into the allelopathic effects on agroecosystems under changing environmental conditions
Allelopathy is a natural phenomenon of competing and interfering with other plants or microbial growth by synthesizing and releasing the bioactive compounds of plant or microbial origin known as allelochemical...
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Article
Cryptanalysis of the optical cryptosystem titled “an asymmetric image encryption based on phase truncated hybrid transform”
The approach of this paper is to perform cryptanalysis on hybrid asymmetric cryptosystem based on phase truncation operation. In this paper, the vulnerability of the cryptosystem is shown to a proposed attack....
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Chapter
Genetic Engineering and Gene Editing for Targeted Trait Modifications
In the twenty-first century, the scientific community faces the challenge of ensuring food security for an increasing population while tackling climate change simultaneously. In this direction, the manipulatio...
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Book
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Chapter
Enhancing Resource Use Efficiency in Crops Through Plant Functional Traits
In the scenarios of global challenges such as climate change, burgeoning populations, limited agriculture resources, food security, etc., enhancing the resource use efficiency in crops becomes a crucial need f...
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Chapter
Plant Functional Traits Assisted Crop Adaptation to Abiotic and Biotic Stress
In the era of climate change, it is crucial to prioritize the resistance and adaptation of crops to different stresses to ensure food security. This chapter examines the role of plant functional traits in faci...
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Chapter
The Interplay Between Plant Functional Traits and Climate Change
Global climate change poses extraordinary challenges to ecosystems, profoundly affecting plant species and their functional traits. The chapter explores the dynamic relationships between crucial plant function...
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Chapter
Application of Functional Traits in Modelling Productivity and Resilience Under Climate Change
The changing climatic trends have increased global temperatures and drought risk, thus accelerating catastrophes that threaten food, nutrition, and environmental security. Functional traits, inherent character...
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Article
Asymmetric cryptosystem using QZ modulation with SPM in Fresnel domain
In this paper, we have introduced a new cryptosystem based on QZ modulation with structured phase mask (SPM) in Fresnel domain. For encryption using QZ decomposition, a plaintext image and RPM has been taken a...
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Article
Assessing the climate change impact on the habitat suitability of the range-restricted bird species (Catreus wallichii) in the Indian Himalayan ecosystem
Climate change profoundly impacts ecosystems’ function and composition, changing living organisms’ habitats. The Indian Himalayan ecosystem (IHE) is particularly susceptible and vulnerable to the effects of cl...
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Article
Introducing real-time image encryption technology using key vault, various transforms, and phase masks
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 weaknesses no single encryp...
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Article
Security-enhanced optical nonlinear cryptosystem based on phase-truncated Fourier transform
In this paper, an optical nonlinear cryptosystem based on phase-truncated Fourier transform is proposed. A time-varying nonlinear term, denoted as μ(x1, y1, t), is introduced within the framework of the classical...
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Article
A cryptoanalysis of elliptic curve cryptography based on phase truncation in the domain of hybrid gyrator Hartley transform
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 transform augmented with an elliptic ...
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Article
An integrated approach considering physiological- and biophysical-based indicators for assessing tolerance of roadside plantations of Alstonia scholaris towards urban roadside air pollution: an assessment of adaptation of plantations for mitigating roadside air pollution
An integrated approach of physiological- and biophysical-based indicators was used to assess the tolerance of roadside plantations of Alstonia scholaris towards urban roadside air pollution caused due to heavy tr...
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Article
Ensuring security of cryptosystems with DVFM-, modified equal modulus decomposition in the domain of gyrator wavelet transform
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 asymmetric optical image encryption tec...
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Chapter
Theoretical Evaluation of (Ge20Se80)100−x(Si20Te80)x Quaternary Chalcogenide Glassy Alloy
Chalcogens are elements from group VI-A of periodic table—sulfur (S), selenium (Se), and tellurium (Te). A chalcogenide glass is a glass containing one or more chalcogen element as a substantial constituent. C...
