Publications

Palmprint | Hand_Geometry | Finger_Knuckle | 3D_Fingerprint | Finger_Vein | Palm_Vein

Iris | Ear | Multibiometrics | Antispoofing | Security | Industrial_Inspection

Contactless_fingerprint | All Publications |

Journals

• Zhenyu Zhou and Ajay Kumar,, "Completely Contactless and Online Finger Knuckle Identification for Real-World Applications," IEEE J. Selected Topics in Signal Processing, pp. 648-661, May 2023
• Kevin Ho Man Cheng* and Ajay Kumar, "Deep Feature Collaboration for Challenging 3D Finger Knuckle Identification," IEEE Transactions on Information Forensics and Security, pp. 1158 - 1173, September 2021
• Kevin Ho Man Cheng* and Ajay Kumar, "Efficient and Accurate 3D Finger Knuckle Matching using Surface Key Points," IEEE Transactions on Image Processing, pp. 8903 - 8915, September 2020
• Kevin Ho Man Cheng* and Ajay Kumar, "Contactless Biometric Identification using 3D Finger Knuckle Patterns," IEEE Transactions on Pattern Analysis & Machine Intelligence, pp. 1868-1883, August 2020
• Ajay Kumar, "Toward Pose Invariant and Completely Contactless Finger Knuckle Recognition," IEEE Transactions on Biometrics, Behavior, and Identity Science, pp. 201–209, July 2019
• Ajay Kumar and Zhihuan Xu, "Personal identification using minor knuckle patterns from palm dorsal surface," IEEE Trans. Information Forensics & Security, pp. 2338-2348, October 2016
• Ajay Kumar and Bichai Wang, "Recovering and matching minutiae patterns from finger knuckle images," Pattern Recognition Letters, vol. 68, pp. 361-367, December 2015
• Ajay Kumar, "Importance of being unique from finger dorsal patterns: Exploring minor finger knuckle patterns in verifying human identities," IEEE Trans. Information Forensics & Security, vol. 9, pp. 1288-1298, August 2014
• Ajay Kumar and David Zhang, "Improving biometric authentication performance from the user quality," IEEE Trans. Instrumentation & Measurement, vol. 59, pp. 730-735, March 2010
• Ajay Kumar and K. V. Prathyusha, "Personal authentication using hand vein triangulation and knuckle shape," IEEE Trans. Image Processing, vol. 38, pp. 2127-2136, September 2009
• Ajay Kumar and Yingbo Zhou, "Personal identification using finger knuckle orientation features," Electronics Letters, vol. 45, no. 20, September 2009
• Ajay Kumar and Ch. Ravikanth, "Personal authentication using finger knuckle surface," IEEE Trans. Information Forensics & Security, vol. 4, no. 1, pp. 98-110, March 2009

Patents

• Ajay Kumar and Qian Zheng, "A Method and Device For Contactless Biometrics Identification," U. S. Patent No. 14798573, July 2017

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
• 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
• 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
• Ajay Kumar, "Can we use minor finger knuckle images to identify humans?," Proc. BTAS 2012, pp. 55-60, 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
• 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

Book Chapters

• Amioy Kumar, Tanvir S. Mundra and Ajay Kumar, "Hand anatomy", Encyclopedia of Biometrics, Stan Z. Li (Eds), Springer, August 2009