Dr. Aloka Sinha Profile

Dr. Aloka Sinha

at Indian Institute of Technology

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Publications (2)

Proceedings Article | 23 August 2011 Paper

Comparative study of biohashing technique using different feature extraction methods

Nirmala Saini, Aloka Sinha

Proceedings Volume 8173, 81730T (2011) https://doi.org/10.1117/12.900129

KEYWORDS: Feature extraction, Biometrics, Databases, Principal component analysis, Joint transforms, Optical correlators, Biological research, Computer security, Error analysis, Photonics

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SPIE Journal Paper | 1 May 2005

Image encryption by using fractional Fourier transform and jigsaw transform in image bit planes

Aloka Sinha, Kehar Singh

OE, Vol. 44, Issue 05, 057001, (May 2005) https://doi.org/10.1117/12.10.1117/1.1906240

KEYWORDS: Image encryption, Computer security, Fractional fourier transform, Image compression, Optical engineering, Digital imaging, Information security, Image transmission, Fourier transforms, Computer simulations

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