• Currently Available Research Positions
  • PhD students registered elsewhere can explore/contact for collaboration by short (3-6 months) visits
  • You may contact me for New Projects (MSc Dissertation, Final Year Project) if you are student in PolyU and interested in my research areas


  • Kevin Man Ho Cheng* and Ajay Kumar, "Contactless Biometric Identification using 3D Finger Knuckle Patterns," IEEE Transactions on Pattern Analysis & Machine Intelligence, pp. 1868-1883, August 2020
  • Hanzhuo Tan* and Ajay Kumar, "Towards More Accurate Contactless Fingerprint Minutiae Extraction and Pose-Invariant Matching," IEEE Transactions on Information Forensics and Security, pp. 3924 - 3937, July 2020
  • Ajay Kumar, "Contactless Finger Knuckle Authentication under Severe Pose Deformations," 8th International Workshop on Biometrics and Forensics, pp. 1-6, Porto, May 2020
  • 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
  • Ritesh Vyas, Ajay Kumar, "A Collaborative Approach using Ridge-Valley Minutiae for More Accurate Contactless Fingerprint Identification," arXiv, 1-15, arXiv, September 2019

More Publications

CVPR 2015 Tutorial

CVPR 2015 Tutorial


Book on Contactless 3D Fingerprint Identification

I am available at