Increasing the Reliability of Biometric Verification by using 3D Face Information and Palm Vein Patterns. - Olegs Nikisins; Modris Greitans; Rihards Fuksis; Mihails Pudzs; Zanda Serzane (BIOSIG, 2010)

Local binary patterns and neural network based technique for robust face detection and localization. - Olegs Nikisins; Modris Greitans (BIOSIG, 2012)

RGB-D-T Based Face Recognition. - Olegs Nikisins; Kamal Nasrollahi; Modris Greitans; Thomas B. Moeslund (ICPR, 2014)

Algorithms for a novel touchless bimodal palm biometric system. - Olegs Nikisins; Teodors Eglitis; Mihails Pudzs; Modris Greitans (ICB, 2015)

Improved RGB-D-T based face recognition. - Marc Oliu Simon; Ciprian A. Corneanu; Kamal Nasrollahi; Olegs Nikisins; Sergio Escalera; Yunlian Sun; Haiqing Li; Zhenan Sun; Thomas B. Moeslund; Modris Greitans (IET Biom., 2016)

On Effectiveness of Anomaly Detection Approaches against Unseen Presentation Attacks in Face Anti-spoofing. - Olegs Nikisins; Amir Mohammadi; André Anjos; Sébastien Marcel (ICB, 2018)

Fast cross-correlation based wrist vein recognition algorithm with rotation and translation compensation. - Olegs Nikisins; Teodors Eglitis; André Anjos; Sébastien Marcel (IWBF, 2018)

Domain Adaptation in Multi-Channel Autoencoder based Features for Robust Face Anti-Spoofing. - Olegs Nikisins; Anjith George; Sébastien Marcel (ICB, 2019)

Biometric Face Presentation Attack Detection With Multi-Channel Convolutional Neural Network. - Anjith George; Zohreh Mostaani; David Geissenbuhler; Olegs Nikisins; André Anjos; Sébastien Marcel (IEEE Trans. Inf. Forensics Secur., 2020)