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ORCIDAjay Kumar 0001
Person information
- affiliation: Hong Kong Polytechnic University, Department of Computing, Hong Kong
- affiliation (former): Indian Institute of Technology Delhi, Department of Electrical Engineering, New Delhi, India
Other persons with the same name
- Ajay Kumar — disambiguation page
- Ajay Kumar 0002
![[0000-0002-0358-9936]](https://dblp.dagstuhl.de/img/orcid-mark.12x12.png "0000-0002-0358-9936")
— ABV-Indian Institute of Information Technology and Management Gwalior, Madhya Pradesh, India - Ajay Kumar 0003 — Thapar University, Patiala, Punjab, India
- Ajay Kumar 0004 — Delhi Technological University, India
- Ajay Kumar 0005 — Jaypee University of Engineering & Technology, Guna, India
- Ajay Kumar 0006 — Indian Institute of Technology (BHU), Department of Computer Science and Engineering, Varanasi, India
- Ajay Kumar 0007 — NIT Patna, Department of Computer Science and Engineering, India (and 1 more)
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2020 – today
- 2024
[j70]Zhenyu Zhou, Ajay Kumar:
Finger-Knuckle Assisted Slap Fingerprint Identification System for Higher Security and Convenience. IEEE Trans. Inf. Forensics Secur. 19: 441-454 (2024)- 2023
- [j69]Zhenyu Zhou, Ajay Kumar:
Completely Contactless and Online Finger Knuckle Identification for Real World Applications. IEEE J. Sel. Top. Signal Process. 17(3): 648-661 (2023) - [j68]Chengdong Dong, Ajay Kumar:
Synthesis of Multi-View 3D Fingerprints to Advance Contactless Fingerprint Identification. IEEE Trans. Pattern Anal. Mach. Intell. 45(11): 13134-13151 (2023) - [j67]Yulin Feng, Ajay Kumar:
BEST: Building evidences from scattered templates for accurate contactless palmprint recognition. Pattern Recognit. 138: 109422 (2023) - [j66]Yulin Feng, Ajay Kumar:
Detecting Locally, Patching Globally: An End-to-End Framework for High Speed and Accurate Detection of Fingerprint Minutiae. IEEE Trans. Inf. Forensics Secur. 18: 1720-1733 (2023) - [c50]Haoxuan Qu, Yujun Cai, Lin Geng Foo, Ajay Kumar, Jun Liu:
A Characteristic Function-Based Method for Bottom-Up Human Pose Estimation. CVPR 2023: 13009-13018 - 2022
- [c49]Chengdong Dong, Ajay Kumar, Eryun Liu:
Think Twice Before Detecting GAN-generated Fake Images from their Spectral Domain Imprints. CVPR 2022: 7855-7864 - 2021
- [j65]Kevin H. M. Cheng, Ajay Kumar:
Accurate 3D Finger Knuckle Recognition Using Auto-Generated Similarity Functions. IEEE Trans. Biom. Behav. Identity Sci. 3(2): 203-213 (2021) - [j64]Kuo Wang, Ajay Kumar:
Periocular-Assisted Multi-Feature Collaboration for Dynamic Iris Recognition. IEEE Trans. Inf. Forensics Secur. 16: 866-879 (2021) - [j63]Kevin H. M. Cheng, Ajay Kumar:
Deep Feature Collaboration for Challenging 3D Finger Knuckle Identification. IEEE Trans. Inf. Forensics Secur. 16: 1158-1173 (2021) - [j62]Hanzhuo Tan, Ajay Kumar:
Minutiae Attention Network With Reciprocal Distance Loss for Contactless to Contact-Based Fingerprint Identification. IEEE Trans. Inf. Forensics Secur. 16: 3299-3311 (2021) - 2020
- [j61]Kevin H. M. Cheng, Ajay Kumar:
Contactless Biometric Identification Using 3D Finger Knuckle Patterns. IEEE Trans. Pattern Anal. Mach. Intell. 42(8): 1868-1883 (2020) - [j60]Yang Liu, Ajay Kumar:
Contactless Palmprint Identification Using Deeply Learned Residual Features. IEEE Trans. Biom. Behav. Identity Sci. 2(2): 172-181 (2020) - [j59]Hanzhuo Tan, Ajay Kumar:
Towards More Accurate Contactless Fingerprint Minutiae Extraction and Pose-Invariant Matching. IEEE Trans. Inf. Forensics Secur. 15: 3924-3937 (2020) - [j58]Kevin H. M. Cheng, Ajay Kumar:
Efficient and Accurate 3D Finger Knuckle Matching Using Surface Key Points. IEEE Trans. Image Process. 29: 8903-8915 (2020) - [c48]Kevin H. M. Cheng, Ajay Kumar:
Distinctive Feature Representation for Contactless 3D Hand Biometrics using Surface Normal Directions. IJCB 2020: 1-9 - [i2]Kuo Wang, Ajay Kumar:
Segmentation-Aware and Adaptive Iris Recognition. CoRR abs/2001.00989 (2020)
2010 – 2019
- 2019
- [j57]Kuo Wang, Ajay Kumar:
Cross-spectral iris recognition using CNN and supervised discrete hashing. Pattern Recognit. 86: 85-98 (2019) - [j56]Zijing Zhao, Ajay Kumar:
A deep learning based unified framework to detect, segment and recognize irises using spatially corresponding features. Pattern Recognit. 93: 546-557 (2019) - [j55]Cihui Xie, Ajay Kumar:
Finger vein identification using Convolutional Neural Network and supervised discrete hashing. Pattern Recognit. Lett. 119: 148-156 (2019) - [j54]Ajay Kumar:
Toward Pose Invariant and Completely Contactless Finger Knuckle Recognition. IEEE Trans. Biom. Behav. Identity Sci. 1(3): 201-209 (2019) - [j53]Ajay Kumar:
Toward More Accurate Matching of Contactless Palmprint Images Under Less Constrained Environments. IEEE Trans. Inf. Forensics Secur. 14(1): 34-47 (2019) - [j52]Chenhao Lin, Ajay Kumar:
A CNN-Based Framework for Comparison of Contactless to Contact-Based Fingerprints. IEEE Trans. Inf. Forensics Secur. 14(3): 662-676 (2019) - [j51]Kuo Wang, Ajay Kumar:
Toward More Accurate Iris Recognition Using Dilated Residual Features. IEEE Trans. Inf. Forensics Secur. 14(12): 3233-3245 (2019) - [j50]Kevin H. M. Cheng, Ajay Kumar:
Revisiting Outlier Rejection Approach for Non-Lambertian Photometric Stereo. IEEE Trans. Image Process. 28(3): 1544-1555 (2019) - [j49]Qian Zheng, Ajay Kumar, Boxin Shi, Gang Pan:
Numerical Reflectance Compensation for Non-Lambertian Photometric Stereo. IEEE Trans. Image Process. 28(7): 3177-3191 (2019) - [c47]Abhinav Anand, Amioy Kumar, Ajay Kumar:
Multibiometrics User Recognition using Adaptive Cohort Ranking. ICB 2019: 1-8 - 2018
- [b1]Ajay Kumar:
Contactless 3D Fingerprint Identification. Advances in Computer Vision and Pattern Recognition, Springer 2018, ISBN 978-3-319-67680-7, pp. 1-119 - [j48]Chenhao Lin, Ajay Kumar:
Tetrahedron Based Fast 3D Fingerprint Identification Using Colored LEDs Illumination. IEEE Trans. Pattern Anal. Mach. Intell. 40(12): 3022-3033 (2018) - [j47]Chenhao Lin, Ajay Kumar:
Contactless and partial 3D fingerprint recognition using multi-view deep representation. Pattern Recognit. 83: 314-327 (2018) - [j46]Zijing Zhao, Ajay Kumar:
Improving Periocular Recognition by Explicit Attention to Critical Regions in Deep Neural Network. IEEE Trans. Inf. Forensics Secur. 13(12): 2937-2952 (2018) - [j45]Chenhao Lin, Ajay Kumar:
Matching Contactless and Contact-Based Conventional Fingerprint Images for Biometrics Identification. IEEE Trans. Image Process. 27(4): 2008-2021 (2018) - [c46]Kevin H. M. Cheng, Ajay Kumar:
Advancing Surface Feature Encoding and Matching for More Accurate 3D Biometric Recognition. ICPR 2018: 3501-3506 - [c45]Qian Zheng, Ajay Kumar, Gang Pan:
Contactless 3D fingerprint identification without 3D reconstruction. IWBF 2018: 1-6 - [i1]Yang Liu, Ajay Kumar:
A Deep Learning based Framework to Detect and Recognize Humans using Contactless Palmprints in the Wild. CoRR abs/1812.11319 (2018) - 2017
- [j44]Zijing Zhao, Ajay Kumar:
Accurate Periocular Recognition Under Less Constrained Environment Using Semantics-Assisted Convolutional Neural Network. IEEE Trans. Inf. Forensics Secur. 12(5): 1017-1030 (2017) - [j43]Pattabhi Ramaiah Nalla, Ajay Kumar:
Toward More Accurate Iris Recognition Using Cross-Spectral Matching. IEEE Trans. Image Process. 26(1): 208-221 (2017) - [c44]Chenhao Lin, Ajay Kumar:
Multi-Siamese networks to accurately match contactless to contact-based fingerprint images. IJCB 2017: 277-285 - [c43]Zijing Zhao, Ajay Kumar:
Towards More Accurate Iris Recognition Using Deeply Learned Spatially Corresponding Features. ICCV 2017: 3829-3838 - 2016
- [j42]Amioy Kumar, Ajay Kumar:
A Cell-Array-Based Multibiometric Cryptosystem. IEEE Access 4: 15-25 (2016) - [j41]Aythami Morales, Ajay Kumar, Miguel A. Ferrer:
Interdigital palm region for biometric identification. Comput. Vis. Image Underst. 142: 125-133 (2016) - [j40]Amioy Kumar, Ajay Kumar:
Adaptive management of multimodal biometrics fusion using ant colony optimization. Inf. Fusion 32: 49-63 (2016) - [j39]Qian Zheng, Ajay Kumar, Gang Pan:
A 3D Feature Descriptor Recovered from a Single 2D Palmprint Image. IEEE Trans. Pattern Anal. Mach. Intell. 38(6): 1272-1279 (2016) - [j38]Qian Zheng, Ajay Kumar, Gang Pan:
Suspecting Less and Doing Better: New Insights on Palmprint Identification for Faster and More Accurate Matching. IEEE Trans. Inf. Forensics Secur. 11(3): 633-641 (2016) - [j37]Ajay Kumar, Zhihuan Xu:
Personal Identification Using Minor Knuckle Patterns From Palm Dorsal Surface. IEEE Trans. Inf. Forensics Secur. 11(10): 2338-2348 (2016) - [c42]N. Pattabhi Ramaiah, Ajay Kumar:
On matching cross-spectral periocular images for accurate biometrics identification. BTAS 2016: 1-6 - [c41]Chenhao Lin, Ajay Kumar:
Improving cross sensor interoperability for fingerprint identification. ICPR 2016: 943-948 - 2015
- [j36]Ajay Kumar, Cyril Kwong:
Towards Contactless, Low-Cost and Accurate 3D Fingerprint Identification. IEEE Trans. Pattern Anal. Mach. Intell. 37(3): 681-696 (2015) - [j35]Ajay Kumar, Bichai Wang:
Recovering and matching minutiae patterns from finger knuckle images. Pattern Recognit. Lett. 68: 361-367 (2015) - [c40]Zijing Zhao, Ajay Kumar:
An Accurate Iris Segmentation Framework Under Relaxed Imaging Constraints Using Total Variation Model. ICCV 2015: 3828-3836 - [r4]Amioy Kumar, Tanvir Singh Mundra, Ajay Kumar:
Anatomy of the Hand. Encyclopedia of Biometrics 2015: 19-28 - [r3]Ajay Kumar:
Fusion, Rank-Level. Encyclopedia of Biometrics 2015: 762-766 - 2014
- [j34]Ajay Kumar:
Importance of Being Unique From Finger Dorsal Patterns: Exploring Minor Finger Knuckle Patterns in Verifying Human Identities. IEEE Trans. Inf. Forensics Secur. 9(8): 1288-1298 (2014) - [j33]Chun-Wei Tan, Ajay Kumar:
Efficient and Accurate At-a-Distance Iris Recognition Using Geometric Key-Based Iris Encoding. IEEE Trans. Inf. Forensics Secur. 9(9): 1518-1526 (2014) - [j32]Chun-Wei Tan, Ajay Kumar:
Accurate Iris Recognition at a Distance Using Stabilized Iris Encoding and Zernike Moments Phase Features. IEEE Trans. Image Process. 23(9): 3962-3974 (2014) - [c39]Ajay Kumar, Zhihuan Xu:
Can We Use Second Minor Finger Knuckle Patterns to Identify Humans? CVPR Workshops 2014: 106-112 - [c38]Lei Nie, Ajay Kumar, Song Zhan:
Periocular Recognition Using Unsupervised Convolutional RBM Feature Learning. ICPR 2014: 399-404 - [c37]Amioy Kumar, Ajay Kumar:
Adaptive Security for Human Surveillance Using Multimodal Open Set Biometric Recognition. ICPR 2014: 405-410 - [c36]Chun-Wei Tan, Ajay Kumar:
Integrating ocular and iris descriptors for fake iris image detection. IWBF 2014: 1-4 - 2013
- [j31]Ajay Kumar, Tak-Shing Chan:
Robust ear identification using sparse representation of local texture descriptors. Pattern Recognit. 46(1): 73-85 (2013) - [j30]Chun-Wei Tan, Ajay Kumar:
Towards Online Iris and Periocular Recognition Under Relaxed Imaging Constraints. IEEE Trans. Image Process. 22(10): 3751-3765 (2013) - [c35]Chun-Wei Tan, Ajay Kumar:
Adaptive and localized iris weight map for accurate iris recognition under less constrained environments. BTAS 2013: 1-7 - [c34]Ajay Kumar, Cyril Kwong:
Towards Contactless, Low-Cost and Accurate 3D Fingerprint Identification. CVPR 2013: 3438-3443 - 2012
- [j29]Ajay Kumar, Chenye Wu:
Automated human identification using ear imaging. Pattern Recognit. 45(3): 956-968 (2012) - [j28]Tak-Shing Chan, Ajay Kumar:
Reliable ear identification using 2-D quadrature filters. Pattern Recognit. Lett. 33(14): 1870-1881 (2012) - [j27]Ajay Kumar, Yingbo Zhou:
Human Identification Using Finger Images. IEEE Trans. Image Process. 21(4): 2228-2244 (2012) - [j26]Chun-Wei Tan, Ajay Kumar:
Unified Framework for Automated Iris Segmentation Using Distantly Acquired Face Images. IEEE Trans. Image Process. 21(9): 4068-4079 (2012) - [c33]Ajay Kumar:
Can we use minor finger knuckle images to identify humans? BTAS 2012: 55-60 - [c32]Chun-Wei Tan, Ajay Kumar:
Efficient iris segmentation using Grow-Cut algorithm for remotely acquired iris images. BTAS 2012: 99-104 - [c31]Ajay Kumar, Tak-Shing Chan:
Iris recognition using quaternionic sparse orientation code (QSOC). CVPR Workshops 2012: 59-64 - [c30]Ajay Kumar, Tak-Shing Chan, Chun-Wei Tan:
Human identification from at-a-distance face images using sparse representation of local iris features. ICB 2012: 303-309 - [c29]Chun-Wei Tan, Ajay Kumar:
Human identification from at-a-distance images by simultaneously exploiting iris and periocular features. ICPR 2012: 553-556 - 2011
- [j25]Vivek Kanhangad, Ajay Kumar, David Zhang:
A Unified Framework for Contactless Hand Verification. IEEE Trans. Inf. Forensics Secur. 6(3-2): 1014-1027 (2011) - [j24]Yingbo Zhou, Ajay Kumar:
Human Identification Using Palm-Vein Images. IEEE Trans. Inf. Forensics Secur. 6(4): 1259-1274 (2011) - [j23]Vivek Kanhangad, Ajay Kumar, David Zhang:
Contactless and Pose Invariant Biometric Identification Using Hand Surface. IEEE Trans. Image Process. 20(5): 1415-1424 (2011) - [j22]Ajay Kumar, Sumit Shekhar:
Personal Identification Using Multibiometrics Rank-Level Fusion. IEEE Trans. Syst. Man Cybern. Part C 41(5): 743-752 (2011) - [c28]Chun-Wei Tan, Ajay Kumar:
Automated segmentation of iris images using visible wavelength face images. CVPR Workshops 2011: 9-14 - [c27]Ajay Kumar, Yingbo Zhou:
Contactless fingerprint identification using level zero features. CVPR Workshops 2011: 114-119 - [c26]Aythami Morales, Ajay Kumar, Miguel A. Ferrer:
Incorporating color information for reliable palmprint authentication. ICIP 2011: 3193-3196 - 2010
- [j21]David Zhang, Vivek Kanhangad, Nan Luo, Ajay Kumar:
Robust palmprint verification using 2D and 3D features. Pattern Recognit. 43(1): 358-368 (2010) - [j20]Ajay Kumar, Arun Passi:
Comparison and combination of iris matchers for reliable personal authentication. Pattern Recognit. 43(3): 1016-1026 (2010) - [j19]Ajay Kumar, Vivek Kanhangad, David Zhang:
A new framework for adaptive multimodal biometrics management. IEEE Trans. Inf. Forensics Secur. 5(1): 92-102 (2010) - [j18]Ajay Kumar, David Zhang:
Improving Biometric Authentication Performance From the User Quality. IEEE Trans. Instrum. Meas. 59(3): 730-735 (2010) - [c25]Aythami Morales Moreno, Miguel A. Ferrer, Ajay Kumar:
Improved palmprint authentication using contactless imaging. BTAS 2010: 1-6 - [c24]Yingbo Zhou, Ajay Kumar:
Contactless palm vein identification using multiple representations. BTAS 2010: 1-6 - [c23]Vivek Kanhangad, Ajay Kumar, David Zhang:
Human hand identification with 3D hand pose variations. CVPR Workshops 2010: 17-21 - [c22]Ajay Kumar, Sumit Shekhar:
Palmprint recognition using rank level fusion. ICIP 2010: 3121-3124 - [c21]Yingbo Zhou, Ajay Kumar:
Personal Identification from Iris Images Using Localized Radon Transform. ICPR 2010: 2840-2843 - [e1]Ajay Kumar, David Zhang:
Ethics and Policy of Biometrics - Third International Conference on Ethics and Policy of Biometrics and International Data Sharing, ICEB 2010, Hong Kong, January 4-5, 2010. Revised Papers. Lecture Notes in Computer Science 6005, Springer 2010, ISBN 978-3-642-12594-2 [contents]
2000 – 2009
- 2009
- [j17]Amioy Kumar, Ajay Kumar:
Development of a New Cryptographic Construct Using Palmprint-Based Fuzzy Vault. EURASIP J. Adv. Signal Process. 2009 (2009) - [j16]Ajay Kumar, David Zhang:
User Authentication Using Fusion of Face and Palmprint. Int. J. Image Graph. 9(2): 251-270 (2009) - [j15]Jay R. Bhatnagar, Ajay Kumar:
On estimating performance indices for biometric identification. Pattern Recognit. 42(9): 1803-1815 (2009) - [j14]Ajay Kumar, Ch. Ravikanth:
Personal authentication using finger knuckle surface. IEEE Trans. Inf. Forensics Secur. 4(1): 98-110 (2009) - [j13]Ajay Kumar, K. Venkata Prathyusha:
Personal Authentication Using Hand Vein Triangulation and Knuckle Shape. IEEE Trans. Image Process. 18(9): 2127-2136 (2009) - [c20]Vivek Kanhangad, Ajay Kumar, David Zhang:
Combining 2D and 3D hand geometry features for biometric verification. CVPR Workshops 2009: 39-44 - [r2]Amioy Kumar, Tanvir Singh Mundra, Ajay Kumar:
Anatomy of Hand. Encyclopedia of Biometrics 2009: 28-35 - [r1]Ajay Kumar:
Fusion, Rank-Level. Encyclopedia of Biometrics 2009: 607-611 - 2008
- [j12]P. Venkata Reddy, Ajay Kumar, S. Rahman, Tanvir Singh Mundra:
A New Antispoofing Approach for Biometric Devices. IEEE Trans. Biomed. Circuits Syst. 2(4): 328-337 (2008) - [j11]Tanvir Singh Mundra, Ajay Kumar:
Micro power battery state-of-charge monitor. IEEE Trans. Consumer Electron. 54(2): 623-630 (2008) - [j10]Ajay Kumar:
Computer-Vision-Based Fabric Defect Detection: A Survey. IEEE Trans. Ind. Electron. 55(1): 348-363 (2008) - [j9]Vivek Kanhangad, Ajay Kumar, David Zhang:
Comments on "An Adaptive Multimodal Biometric Management Algorithm". IEEE Trans. Syst. Man Cybern. Part C 38(6): 841-843 (2008) - [c19]Ajay Kumar, Arun Passi:
Comparison and combination of iris matchers for reliable personal identification. CVPR Workshops 2008: 1-7 - [c18]Ajay Kumar, David Zhang:
Incorporating user quality for performance improvement in hand identification. ICARCV 2008: 1133-1136 - [c17]Ajay Kumar, Vivek Kanhangad, David Zhang:
Multimodal biometrics management using adaptive score-level combination. ICPR 2008: 1-4 - [c16]Ajay Kumar, T. Srikanth:
Online personal identification in night using multiple face representations. ICPR 2008: 1-4 - [c15]Laura Li Liu, David Zhang, Ajay Kumar, Xiangqian Wu:
Tongue line extraction. ICPR 2008: 1-4 - [c14]Ajay Kumar:
Incorporating Cohort Information for Reliable Palmprint Authentication. ICVGIP 2008: 583-590 - 2007
- [j8]Tanvir Singh Mundra, Ajay Kumar:
An Innovative Battery Charger for Safe Charging of NiMH/NiCd Batteries. IEEE Trans. Consumer Electron. 53(3): 1044-1052 (2007) - [j7]Ajay Kumar, David Zhang:
Hand-Geometry Recognition Using Entropy-Based Discretization. IEEE Trans. Inf. Forensics Secur. 2(2): 181-187 (2007) - [c13]Jay R. Bhatnagar, Ajay Kumar, Nipun Saggar:
A Novel Approach to Improve Biometric Recognition Using Rank Level Fusion. CVPR 2007 - [c12]Arun Passi, Ajay Kumar:
Improving Iris Identification using User Quality and Cohort Information. CVPR 2007 - [c11]Ch. Ravikanth, Ajay Kumar:
Biometric Authentication using Finger-Back Surface. CVPR 2007 - [c10]Ajay Kumar, David Zhang:
Biometric Recognition using Entropy-Based Discretization. ICASSP (2) 2007: 125-128 - [c9]Jay R. Bhatnagar, Ajay Kumar:
On Some Performance Indices for Biometric Identification System. ICB 2007: 1043-1056 - 2006
- [j6]Ajay Kumar, David Zhang:
Integrating Shape and Texture for Hand Verification. Int. J. Image Graph. 6(1): 101-114 (2006) - [j5]Ajay Kumar, David C. M. Wong, Helen C. Shen, Anil K. Jain:
Personal authentication using hand images. Pattern Recognit. Lett. 27(13): 1478-1486 (2006) - [j4]Ajay Kumar, David Zhang:
Personal recognition using hand shape and texture. IEEE Trans. Image Process. 15(8): 2454-2461 (2006)