Dr. Ajay Kumar Profile

Dr. Ajay Kumar

at Hong Kong Polytechnic Univ

SPIE Involvement:

Editor | Author

Publications (7)

Proceedings Article | 17 March 2008 Paper

A palmprint-based cryptosystem using double encryption

Amioy Kumar, Ajay Kumar

Proceedings Volume 6944, 69440D (2008) https://doi.org/10.1117/12.778833

KEYWORDS: Biometrics, Tolerancing, Symmetric-key encryption, Computer security, Remote sensing, Cryptography, Databases, Feature extraction, Data communications, Fuzzy logic

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Proceedings Article | 17 March 2008 Paper

Personal authentication using hand vein triangulation

Ajay Kumar, K. Venkata Prathyusha

Proceedings Volume 6944, 69440E (2008) https://doi.org/10.1117/12.779159

KEYWORDS: Veins, Infrared imaging, Infrared cameras, Biometrics, Feature extraction, Krypton, Cameras, Databases, Image segmentation, Thulium

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Proceedings Article | 12 April 2007 Paper

Ear authentication using Log-Gabor wavelets

Ajay Kumar, David Zhang

Proceedings Volume 6539, 65390A (2007) https://doi.org/10.1117/12.720244

KEYWORDS: Ear, Databases, Wavelets, Biometrics, Principal component analysis, Linear filtering, Receivers, Distance measurement, Image filtering, Electronic filtering

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Proceedings Article | 16 May 2006 Paper

An image enhancement methodology and FPGA-based implementation combining fuzzy logic and image convolution for an infrared imaging system

Ajay Kumar, S. Sarkar, R. Agarwal

Proceedings Volume 6207, 62070X (2006) https://doi.org/10.1117/12.665166

KEYWORDS: Fuzzy logic, Thermography, Image enhancement, Convolution, Image processing, Infrared imaging, Field programmable gate arrays, Image filtering, Imaging systems, Linear filtering

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Proceedings Article | 25 August 2004 Paper

Palmprint authentication using multiple classifiers

Ajay Kumar, David Zhang

Proceedings Volume 5404, (2004) https://doi.org/10.1117/12.542764

KEYWORDS: Principal component analysis, Distance measurement, Image filtering, Image fusion, Feature extraction, Biometrics, Sensors, Digital cameras, Databases, Gaussian filters

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Proceedings Article | 31 July 2002 Paper

Automated inspection of textured web materials using real Gabor functions

Ajay Kumar

Proceedings Volume 4875, (2002) https://doi.org/10.1117/12.477157

KEYWORDS: Image fusion, Inspection, Defect detection, Image filtering, Image processing, Image analysis, Nonlinear filtering, Digital signal processing, Calibration, Fourier transforms

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SPIE Journal Paper | 1 December 2000

Fabric defect segmentation using multichannel blob detectors

Ajay Kumar, Grantham Pang

OE, Vol. 39, Issue 12, (December 2000) https://doi.org/10.1117/12.10.1117/1.1327837

KEYWORDS: Image segmentation, Image filtering, Image fusion, Defect detection, Optical engineering, Sensors, Detection and tracking algorithms, Modulation, Feature extraction, Optical filters

Showing 5 of 7 publications

Proceedings Volume Editor (1)

SPIE Conference Volume | 1 June 2015

Biometric and Surveillance Technology for Human and Activity Identification XII

Conference Committee Involvement (8)

Biometric and Surveillance Technology for Human and Activity Identification XII

22 April 2015 | Baltimore, MD, United States

Biometric and Surveillance Technology for Human and Activity Identification XI

8 May 2014 | Baltimore, MD, United States

Biometric and Surveillance Technology for Human and Activity Identification X

2 May 2013 | Baltimore, Maryland, United States

Biometric Technology for Human Identification IX

23 April 2012 | Baltimore, Maryland, United States

Biometric Technology for Human Identification VIII

25 April 2011 | Orlando, Florida, United States

Showing 5 of 8 Conference Committees

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