Ajay Kumar, The Hong Kong Polytechnic University, Hong Kong

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Journals

Kuo Wang* and Ajay Kumar, "Human Identification in Metaverse Using Egocentric Iris Recognition," TechArXiv, DOI: 10.36227/techrxiv.19750411.v1,, pp 1-13, May 2022
Zijing Zhao* and Ajay Kumar, "A Deep Learning based Unified Framework to Detect, Segment and Recognize Irises using Spatially Corresponding Features," Pattern Recognition, pp. 546-557, October 2019
Kuo Wang* and Ajay Kumar, "Towards More Accurate Iris Recognition using Dilated Residual Features," IEEE Transactions on Information Forensics & Security, pp. 3233 – 3245, December 2018
Zijing Zhao* and Ajay Kumar, "Improving Periocular Recognition by Explicit Attention to Critical Regions in Deep Neural Network," IEEE Transactions on Information Forensics & Security, pp. 2937-2952, December 2018
Zijing Zhao* and Ajay Kumar, "Accurate periocular recognition under less constrained environment using semantics-assisted convolutional neural network," IEEE Transactions on Information Forensics & Security, pp. 1017-1030, May 2017
N. Pattabhi Ramiah and Ajay Kumar, "Towards more accurate iris recognition using cross-spectral matching," IEEE Transactions on Image Processing, pp. 208-221, January 2017
Chun-Wei Tan* and Ajay Kumar, "Accurate iris recognition at-a-distance using stablized iris encoding and Zernike moments phase features," IEEE Trans. Image Processing, vol. 23, pp. 3962-3974, September 2014
Chun-Wei Tan* and Ajay Kumar, "Efficient and accurate at-a-distance iris recognition using geometric key based iris encoding," IEEE Trans. Information Forensics & Security, vol. 9, pp. 1518-1526, September 2014
Chun-Wei Tan* and Ajay Kumar, "Towards online iris and periocular recognition under relaxed imaging constraints," IEEE Trans. Image Processing, vol. 22, pp. 3751-3765, October 2013
Chun-Wei Tan* and Ajay Kumar, "A unified framework for automated iris segmentation using distantly acquired face images," IEEE Trans. Image Processing, vol. 21, no. 9, pp. 4068-4078, September 2012
Ajay Kumar and Arun Passi, "Comparison and combination of iris matchers for reliable personal authentication," Pattern Recognition, vol. 43, no. 3, pp. 1016-1026, March 2010

Conferences

Zijing Zhao* and Ajay Kumar, "Towards More Accurate Iris Recognition Using Deeply Learned Spatially Corresponding Features," International Conference on Computer Vision, ICCV 2017, pp. 1-10, Venice, Italy, Italy, October 2017
Pattabhi Ramaiah and Ajay Kumar, "On Matching Cross-Spectral Periocular Images for Accurate Biometrics Identiﬁcation," International Conference on Biometrics: Theory, Applications and Systems, BTAS 2016, pp. 1-6, Buffalo, USA, September 2016
Zijing Zhao*, Ajay Kumar, "An accurate iris segmentation framework under related imaging constraints," Proc. ICCV 2015, pp. 3828-3836, Santiago, Chile, December 2015
Lie Nie, Ajay Kumar, Song Zhan, "Periocular recognition using unsupervised convolutional RBM feature learning," Proc. ICPR 2014, pp. 299-404, Stockholm, Sweden, August 2014
Chun-Wei Tan* and Ajay Kumar, "Integrating ocular and iris descriptors for fake iris image detection," Proc. IWBF 2014, Valetta, Malta, March 2014
Chun-Wei Tan* and Ajay Kumar, "Adaptive and localized iris weight map for accurate iris recognition under less constrained environments," Proc. BTAS 2013, pp. 1-7, Washington DC, USA, September 2013
Chun-Wei Tan* and Ajay Kumar, "Human identification from at-a-distance images by simultaneously exploiting iris and periocular features," Proc. ICPR 2012, pp. 553-556, Tsukuba, Japan, November 2012
Chun-Wei Tan* and Ajay Kumar, "Efficient iris segmentation using grow-cut algorithm for distantly acquired iris images," Proc. BTAS 2012, pp. 99-104, Washington DC, USA, September 2012
Ajay Kumar and Tak-Shing Chan, "Iris recognition using quaternionic sparse orientation code (QSOC)," Proc. CVPR 2012, CVPRW'12, pp. 59-64, Providence, USA, June 2012
Ajay Kumar, Tak-Shing Chan, and Chun-Wei Tan*, "Human identification from at-a-distance face images using sparse representation of local iris features," Proc. ICB 2012, New Delhi, India, April 2012
Chun-Wei Tan* and Ajay Kumar, "Automated segmentation of iris images using visible wavelength face images," Proc. CVPR 2011, CVPRW'11, pp. 9-14, Colorado Springs, USA, June 2011
Yingbo Zhou and Ajay Kumar, "Personal identification from iris images using localized Radon transform," Proc. ICPR 2010, Istanbul, Turkey, August 2010
Ajay Kumar and Arun Passi, "Comparison and combination of iris matchers for reliable personal identification," Proc. CVPR 2008, pp. 21-27, Anchorage, USA, June 2008

* Research Student (PhD/MS(R)/MPhil)