Fig. 1: Schematic of single-pixel infrared imaging thermometry (SPIRIT).
From: Single-pixel infrared imaging thermometry maps human inner canthi temperature
Yellow dashed box: Close-up view of the field of view. Blue box: Close-up view of an encoding mask passing the open areas on the window plate. The mask plate and the window plate, although made from the same material, are depicted in different colors for display purposes. The CAD sketches of the optical chopper, photodiode, and visible camera lens in this figure are courtesy of Thorlabs, Inc. The 3D head model is reproduced with permission under a CC BY 4.0 license from Sketchfab.
