Face anti-spoofing based on sharpness profiles. - Kannan Karthik; Balaji Rao Katika (ICIIS, 2017)

Face Anti-spoofing Based on Specular Feature Projections. - Balaji Rao Katika; Kannan Karthik (CVIP (1), 2018)

Identity Independent Face Anti-spoofing Based on Random Scan Patterns. - Kannan Karthik; Balaji Rao Katika (PReMI (1), 2019)

Face anti-spoofing by identity masking using random walk patterns and outlier detection. - Balaji Rao Katika; Kannan Karthik (Pattern Anal. Appl., 2020)

Image life trails based on contrast reduction models for face counter-spoofing. - Balaji Rao Katika; Kannan Karthik (EURASIP J. Inf. Secur., 2023)