1. Tracking human face features in thermal images for respiration monitoring;Al-Khalidi,2010
2. Face anti-spoofing using patch and depth-based CNNs;Atoum,2017
3. Detecting pulse from head motions in video;Balakrishnan,2013
4. A liveness detection method for face recognition based on optical flow field;Bao,2009
5. Comparison of motion-based analysis to thermal-based analysis of thermal video in the extraction of respiration patterns;Bennett,2017