Finger and ear photoplethysmogram waveform analysis by fitting with Gaussians. - Uldis Rubins (Medical Biol. Eng. Comput., 2008)

Photoplethysmography imaging algorithm for continuous monitoring of regional anesthesia. - Uldis Rubins; Janis Spigulis; Aleksejs Miscuks (ESTIMedia, 2016)

Remote Photoplethysmography for Evaluation of Cutaneous Sensory Nerve Fiber Function. - Zbignevs Marcinkevics; Alise Aglinska; Uldis Rubins; Andris Grabovskis (Sensors, 2021)

Photoplethysmography imaging algorithm for real-time monitoring of skin perfusion maps. - Uldis Rubins; Aleksejs Miscuks; Yousef K. Qawqzeh; Zbignevs Marcinkevics; Andris Grabovskis (CVPR Workshops, 2023)