Kumar, Ajay

19 publications

NeurIPS 2025 NeuroRenderedFake: A Challenging Benchmark to Detect Fake Images Generated by Advanced Neural Rendering Methods Chengdong Dong, Vijayakumar Bhagavatula, Zhenyu Zhou, Ajay Kumar

CVPR 2025 Towards Explainable and Unprecedented Accuracy in Matching Challenging Finger Crease Patterns Zhenyu Zhou, Chengdong Dong, Ajay Kumar

CVPR 2023 A Characteristic Function-Based Method for Bottom-up Human Pose Estimation Haoxuan Qu, Yujun Cai, Lin Geng Foo, Ajay Kumar, Jun Liu

NeurIPS 2023 RayDF: Neural Ray-Surface Distance Fields with Multi-View Consistency Zhuoman Liu, Bo Yang, Yan Luximon, Ajay Kumar, Jinxi Li

CVPR 2022 Think Twice Before Detecting GAN-Generated Fake Images from Their Spectral Domain Imprints Chengdong Dong, Ajay Kumar, Eryun Liu

CVPRW 2018 Detecting Presentation Attacks from 3D Face Masks Under Multispectral Imaging Jun Liu, Ajay Kumar

ICCV 2017 Towards More Accurate Iris Recognition Using Deeply Learned Spatially Corresponding Features Zijing Zhao, Ajay Kumar

CVPRW 2014 Can We Use Second Minor Finger Knuckle Patterns to Identify Humans? Ajay Kumar, Zhihuan Xu

CVPR 2013 Towards Contactless, Low-Cost and Accurate 3D Fingerprint Identification Ajay Kumar, Cyril Kwong

CVPRW 2012 Iris Recognition Using Quaternionic Sparse Orientation Code (QSOC) Ajay Kumar, Tak-Shing Chan

CVPRW 2011 Automated Segmentation of Iris Images Using Visible Wavelength Face Images Chun-Wei Tan, Ajay Kumar

CVPRW 2011 Contactless Fingerprint Identification Using Level Zero Features Ajay Kumar, Yingbo Zhou

CVPRW 2010 Human Hand Identification with 3D Hand Pose Variations Vivek Kanhangad, Ajay Kumar, David Zhang

CVPRW 2009 Combining 2D and 3D Hand Geometry Features for Biometric Verification Vivek Kanhangad, Ajay Kumar, David Zhang

CVPRW 2008 Comparison and Combination of Iris Matchers for Reliable Personal Identification Ajay Kumar, Arun Passi

CVPR 2007 A Novel Approach to Improve Biometric Recognition Using Rank Level Fusion Jay R. Bhatnagar, Ajay Kumar, Nipun Saggar

CVPR 2007 Biometric Authentication Using Finger-Back Surface Ch. Ravikanth, Ajay Kumar

CVPR 2007 Improving Iris Identification Using User Quality and Cohort Information Arun Passi, Ajay Kumar

CVPRW 2006 Estimating Sample Size Requirements for Reliable Personal Authentication Using User-Specific Samples Jay R. Bhatnagar, Ajay Kumar