Beat-to-beat Intervals of Speckle & Intensity-based Optical Plethysmograms compared to Electrocardiogram. - Jorge Herranz Olazábal; Fokko Wieringa; Evelien Hermeling; Chris Van Hoof (CinC, 2021)

Camera-Derived Photoplethysmography (rPPG) and Speckle Plethysmography (rSPG): Comparing Reflective and Transmissive Mode at Various Integration Times Using LEDs and Lasers. - Jorge Herranz Olazábal; Fokko Wieringa; Evelien Hermeling; Chris Van Hoof (Sensors, 2022)

Comparison between Speckle Plethysmography and Photoplethysmography during Cold Pressor Test Referenced to Finger Arterial Pressure. - Jorge Herranz Olazábal; Ilde Lorato; Jesse Kling; Marc Verhoeven; Fokko Wieringa; Chris Van Hoof; Willem Verkruijsse; Evelien Hermeling (Sensors, 2023)