Conferences

Ajay Kumar, “Contactless Finger Knuckle Authentication under Severe Pose Deformations,” 8th International Workshop on Biometrics and Forensics, pp. 1-6, Porto, Portugal, May 2020

Ritesh Vyas, Ajay Kumar, “A Collaborative Approach using Ridge-Valley Minutiae for More Accurate Contactless Fingerprint Identification,” arXiv, 1-15, arXiv, Hong Kong, September 2019

Abhinav Anand , Amioy Kumar , Ajay Kumar, “Multibiometrics User Recognition using Adaptive Cohort Ranking,” Proc. 12th Intl. Conf. Biometrics, ICB 2019, 1-8, Crete, Greece, June 2019

Kevin H. M. Cheng and Ajay Kumar, “Advancing Surface Feature Description and Matching for More Accurate Biometric Recognition,” 24th International Conference on Pattern Recognition, ICPR 2018, 1051-4651, Beijing, China, August 2018

Qian Zheng, Ajay Kumar, and Gang Pan, “Contactless 3D Fingerprint Identification without 3D Reconstruction,” Proc. Intl. Workshop Biometrics & Forensics, Alghero, Italy, June 2018., 1-6, Alghero, Italy, June 2018

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

Ajay Kumar and Kuo Wang, “Identifying Humans by Matching their Left Palmprint with Right Palmprint Images using Convolutional Neural Network,” First International Workshop on Deep Learning and Pattern Recognition, DLPR 2016, pp. 1-6, Cancun, Mexico, December 2016

Jun Liu and Ajay Kumar, “Detecting sensor level spoof attacks using joint encoding of temporal and spatial features,” 7th Intl. Conf. Imaging and Crime Detection, ICDP 2016, pp. 1-6, Madrid, Spain, November 2016

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

Tsung Yin Wang and Ajay Kumar, “Recognizing human faces under disguise and makeup,” 2nd Intl. Conf. Identity, Security and Behavior Analysis, ISBA 2016, pp. 1-7, Sendai, Japan, March 2016

Zijing Zhao*, Ajay Kumar, “An accurate iris segmentation framework under related imaging constraints,” Proc. ICCV 2015, pp. 3828-3836, Santiago, Chile, December 2015

Fieke Hillerstorm, Ajay Kumar, Raymond Veldhuis, “Generating and analyzing synthetic finger-vein images,” Proc. BIOSIG 2014, Darmstadt, Germany, September 2014

Amoy Kumar, Ajay Kumar, “Adaptive security for human surveillance using multimodal open set biometric recognition,” Proc. ICPR 2014, pp. 405-410, Stockholm, Sweden, August 2014

Lie Nie, Ajay Kumar, Song Zhan, “Periocular recognition using unsupervised convolutional RBM feature learning,” Proc. ICPR 2014, pp. 299-404, Stockholm, Sweden, August 2014

Ajay Kumar and Zhihuan Xu, “Can we use second minor finger knuckle patterns to identify humans?,” Proc. CVPR 2014, CVPRW'14, pp.106-112, Columbus, Ohio, June 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

Ajay Kumar, Cyril Kwong, “Towards contactless, low-cost and accurate 3D fingerprint identification,” Proc. CVPR 2013, pp. 3438-3443, Washington DC, USA, June 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

Ajay Kumar, “Can we use minor finger knuckle images to identify humans?,” Proc. BTAS 2012, pp. 55-60, Washington DC, USA, September 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

Kam Yuen Cheng and Ajay Kumar, “Contactless finger knuckle identification using smartphones,” Proc. IEEE Intl. Conf. BIOSIG 2012, pp. 1-6, Darmstadt, Germany, September 2012

Sum Yu Mok and Ajay Kumar, “Addressing biometrics security and privacy related challenges in China,” Proc. IEEE Intl. Conf. BIOSIG 2012, pp. 1-8, Darmstadt, Germany, 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

Aythami Morales, Ajay Kumar, and Miguel A. Ferrer, “Incorporating color information for reliable palmprint authentication,” Proc. ICIP 2011, Brussels, Belgium, September 2011

Ajay Kumar and Yingbo Zhou, “Contactless fingerprint identification using level zero features,” Proc. CVPR 2011, pp. 121-126, Colorado Springs, USA, June 2011

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

Ajay Kumar and Sumit Shekhar, “Palmprint recognition using rank-level fusion,” Proc. ICIP 2010, Hong Kong, China, September 2010

Aythami Morales, Miguel A. Ferrer, and Ajay Kumar, “Improved palmprint authentication using contactless imaging,” Proc. BTAS 2010, Washington DC, USA, September 2010

Yingbo Zhou and Ajay Kumar, “Contactless palmvein identification using multiple representations,” Proc. BTAS 2010, Washington DC, USA, September 2010

Yingbo Zhou and Ajay Kumar, “Personal identification from iris images using localized Radon transform,” Proc. ICPR 2010, Istanbul, Turkey, August 2010

Vivek Kanhangad, Ajay Kumar, and David Zhang, “Human hand identification with 3D hand pose variations,” Proc. CVPR 2010, CVPRW'10, pp. 17-21, San Francisco, USA, June 2010

Ajay Kumar and Yingbo Zhou, “Human identification using knucklecodes,” Proc. 3rd Intl. Conf. Biometrics, Theory and Applications, BTAS'09, pp. 147-152, Washington DC, USA, September 2009

Vivek Kanhangad, Ajay Kumar, and David Zhang, “Combining 2D and 3D hand geometry features for biometric verification,” Proc. CVPR 2009, CVPRW'09, pp. 39-44, Miami, USA, June 2009

Ajay Kumar, “Incorporating cohort information for reliable palmprint authentication,” Proc. ICVGIP 2008, pp. 583-590, Bhubneswar, India, December 2008

Ajay Kumar and T. Srikanth, “Online personal identification in night using multiple representation,” Proc. ICPR 2008, Tampa, USA, December 2008

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

Ajay Kumar and K. V. Prathyusha, “Personal authentication using hand vein triangulation,” Proc. SPIE Conf Biometric Technology for human identification, vol. 6944, pp. 69440E-69440E-13, Orlando, USA, March 2008

Amioy Kumar and Ajay Kumar, “A palmprint based cryptosystem using double encryption,” Proc. SPIE Conf Biometric Technology for human identification, vol. 6944, pp. 69440D-69440D-9, Orlando, USA, March 2008

P. Venkata Reddy, Ajay Kumar, S. M. K. Rahman, and Tanvir Singh Mundra, “A new method for fingerprint antispoofing using pulse oximetry,” Proc. IEEE Intl Conf. Biometrics, Theory and Applications, pp. 36-41, Washington DC, USA, September 2007

Jay Bhatnagar* and Ajay Kumar, “On some performance indices for biometric identification system,” Proc. ICB 2007, Lecture Notes in Computer Science, Springer-Verlag GmbH, vol. 4642, pp. 1043-1056, Seoul, South Korea, August 2007

Jay Bhatnagar*, Ajay Kumar, and Nipun Saggar, “A novel approach to improve biometric recognition using rank level fusion,” Proc. CVPR 2007, pp. 1-6, Minneapolis, USA, June 2007

Ajay Kumar and David Zhang, “Biometric recognition using entropy-based discretization,” Proc. ICASSP 2007, pp. 125-128, Honolulu, USA, April 2007

Ajay Kumar and David Zhang, “Ear authentication using Log-Gabor wavelets,” Proc. SPIE Conf Biometric Technology for human identification, vol. 6539, DS 36, pp.134-139, Orlando, USA, April 2007

Ajay Kumar and David Zhang, “Combining fingerprint, palmprint and hand-shape for user authentication,” Proc. ICPR 2006, pp. 549-552, Hong Kong, China, August 2006

Jay Bhatnagar* and Ajay Kumar, “Estimating sample size requirements for reliable personal authentication using user-specific samples,” Proc. CVPR 2006, pp. 36-41, New York, USA, June 2006

Ajay Kumar and David Zhang, “Feature selection and combination in biometrics,” Proc. AVBPA 2005, Lecture Notes in Computer Science, Springer-Verlag GmbH, vol. 3546, pp. 813-822, Rye Brook, USA, July 2005

Ajay Kumar and David Zhang, “Integrating shape and texture for hand verification,” Proc. 3rd Intl. Conf. Image & Graphics, ICIG 2004, pp. 222-225, Hong Kong, China, December 2004

Ajay Kumar and Helen C. Shen, “Palmprint identification using PalmCodes,” Proc. 3rd Intl. Conf. Image & Graphics, ICIG 2004, pp. 258-261, Hong Kong, China, December 2004

Ajay Kumar and David Zhang, “Palmprint authentication using multiple classifiers,” Proc. SPIE Symposium on Defense & Security - Biometric Technology for Human Identification, vol. 5404, pp. 20-29, Orlando, USA, April 2004

Ajay Kumar and David Zhang, “Integrating palmprint with face for user authentication,” Proc. Multi Modal User Authentication Workshop, pp. 107-112, Santa Barbara, USA, December 2003

Ajay Kumar and Helen C. Shen, “Recognition of Palmprint using Eigenpalms,” Proc.CVPRIP-2003, Cary, USA, September 2003

Ajay Kumar, David C. M. Wong, Helen C. Shen, and Anil K. Jain, “Personal verification using palmprint and hand geometry biometric,” Proc. 4th Intl. Conf. Audio- and Video-Based Biometric Authentication (AVBPA), pp. 668-675, Guildford, UK, June 2003

Ajay Kumar, “Inspection of surface defects using optimal FIR filters,” Proc. ICASSP-2003, pp. 241-244, Hong Kong, China, April 2003

Ajay Kumar and Helen Shen, “Texture inspection for defects using neural networks and support vector machines,” Proc. ICIP-2002, pp. 353-356, Rochester, USA, September 2002

Ajay Kumar, “Automated inspection of textured web materials using real Gabor functions,” Proc. SPIE, 2nd Intl. Conf. Image & Graphics, ICIG-2002, pp. 59-62, Hefei, China, August 2002

Ajay Kumar and Helen Shen, “Recognition of palmprints using wavelet-based features,” Proc. Intl. Conf. Sys., Cybern., SCI-2002, Orlando, USA, July 2002

Ajay Kumar and Grantham Pang, “Identification of surface defects in textured materials using wavelet packets,” Proc. 36th IEEE/IAS Annual Meeting, vol. 1 pp. 247-251, Illinois, USA, September 2001

Grantham Pang and Ajay Kumar, “Wavelet based detection of local textile defects,” Proc. 8th IEEE Intl. Conf. Mechatronics & Machine Vision, M2VIP'2001, pp. 428-431, Hong Kong, China, August 2001

Grantham Pang, Raymond Wong, Hugh Liu, Thomas Kwan, and Ajay Kumar, “CAVIS: A low-cost fabric defect inspection machine based on machine Vision,” Proc. Asian Textile Conf, Hong Kong, China, August 2001

Ajay Kumar and Grantham Pang, “Defect detection in textured materials using Gabor filters,” Proc. 35th IEEE/IAS Annual Meeting, Rome, Italy, October 2000