Prof. Debesh Choudhury Profile

Prof. Debesh Choudhury

Director at Infosensys Research and Engineering

SPIE Involvement:

Author

Area of Expertise:

Pattern recongnition , Optical information processing

Proceedings Article | 3 October 2022 Presentation + Paper

Private key and password protection by steganographic image encryption

Debesh Choudhury, Sujoy Chakraborty

Proceedings Volume 12226, 1222619 (2022) https://doi.org/10.1117/12.2632631

KEYWORDS: Image encryption, Image compression, Symmetric-key encryption, Binary data, Visualization, Image restoration, Image visualization, Image storage, Public-key cryptography, Computer programming

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Proceedings Article | 16 August 2017 Open Access

Teaching the concept of convolution and correlation using Fourier transform

Debesh Choudhury

Proceedings Volume 10452, 104520Y (2017) https://doi.org/10.1117/12.2267976

KEYWORDS: Convolution, Fourier transforms, Digital signal processing, Optical signal processing, Optics education, Image processing, Digital image processing, Analog electronics, Optical simulations, Correlation function

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Proceedings Article | 20 April 2016 Paper

Fourier domain asymmetric cryptosystem for privacy protected multimodal biometric security

Debesh Choudhury

Proceedings Volume 9845, 98450G (2016) https://doi.org/10.1117/12.2223927

KEYWORDS: Biometrics, Symmetric-key encryption, Computer security, Databases, Computer simulations, Image encryption, Fourier transforms, Cryptography, Computer programming, Pattern recognition

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Proceedings Article | 30 September 2013 Paper

Color sensing under microwaves

Debesh Choudhury

Proceedings Volume 8833, 88330H (2013) https://doi.org/10.1117/12.2025230

KEYWORDS: Microwave radiation, Color vision, Sensors, Photography, Diodes, Dielectrics, Network security, Antennas, Visualization, Liquids

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Proceedings Article | 23 October 2003 Paper

Three-dimensional target recognition using the phase information from a Fourier transform profilometer

Debesh Choudhury, Mitsuo Takeda

Proceedings Volume 5202, (2003) https://doi.org/10.1117/12.504677

KEYWORDS: 3D acquisition, 3D image processing, Target recognition, Phase shift keying, Fourier transforms, Object recognition, Modulation, Profilometers, Multiplexing, Spatial frequencies

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Proceedings Article | 29 April 1999 Paper

Difference of chirps: a class of quasi-wavelet filter functions for edge feature extraction

Debesh Choudhury, Somnath Bandyopadhyay

Proceedings Volume 3729, (1999) https://doi.org/10.1117/12.346767

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Proceedings Article | 20 April 1995 Paper

Coplanar display of image and spectrum using hybrid diffractive-refractive optics

Debesh Choudhury

Proceedings Volume 2404, (1995) https://doi.org/10.1117/12.207482

KEYWORDS: Holography, Optical components, Transparency, 3D image reconstruction, Fourier transforms, Photography, Image processing, Holograms, Hybrid optics, Diffractive optical elements

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Proceedings Article | 1 May 1994 Paper

Image and spectrum formation in a single plane using a multiplexed holographic optical element

Debesh Choudhury, Padmakar Puntambekar, A. Chakraborty

Proceedings Volume 2176, (1994) https://doi.org/10.1117/12.172634

KEYWORDS: Holographic optical elements, Holograms, Spherical lenses, Multiplexing, Holography, Image acquisition, Spatial frequencies, Beam splitters, 3D image reconstruction, Fourier transforms

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Showing 5 of 8 publications

Conference Committee Involvement (3)

2nd International Conference on Trends in Optics and Photonics - IConTOP 2009 (Advisory Committee Member)

7 December 2011 |

International Conference on Trends in Optics and Photonics - IConTOP 2009 (Publications Chair)

1 March 2009 |

Indian Conference on Trends in Modern Engineering Systems - IConTiMES 2008 (Program Chair)

23 February 2008 |

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