Mr. Pramod Kumar Profile

Pramod Kumar

Research Scholar at Indian Institute of Technology Delhi

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Author

Publications (3)

SPIE Journal Paper | 1 September 2010

Holographic encryption system in the Fresnel domain with convergent random illumination

Pramod Kumar, Joby Joseph, Kehar Singh

OE, Vol. 49, Issue 09, 095803, (September 2010) https://doi.org/10.1117/12.10.1117/1.3488043

KEYWORDS: Wavefronts, Holography, Image encryption, Optical image encryption, Computer security, Wave propagation, Optical engineering, Numerical simulations, Image retrieval, Illumination engineering

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SPIE Journal Paper | 1 December 2008

Double random phase encryption with in-plane rotation of a modified Lohmann's second-type system in the anamorphic fractional Fourier domain

Pramod Kumar, Joby Joseph, Kehar Singh

OE, Vol. 47, Issue 12, 129801, (December 2008) https://doi.org/10.1117/12.10.1117/1.3054186

SPIE Journal Paper | 1 November 2008

Double random phase encryption with in-plane rotation of a modified Lohmann's second-type system in the anamorphic fractional Fourier domain

Pramod Kumar, Joby Joseph, Kehar Singh

OE, Vol. 47, Issue 11, 117001, (November 2008) https://doi.org/10.1117/12.10.1117/1.3006084

KEYWORDS: Image encryption, Cylindrical lenses, Fourier transforms, Image processing, Optical engineering, Spherical lenses, Computer security, Fractional fourier transform, Information security, Optical image encryption

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