File:Bright pupil by infrared or near infrared illumination.jpg

Summary

Description	English: Bright pupil created by on-axis infrared/near infrared illumination (IR light source is placed near the camera) captured by a charge-coupled device (CCD) camera.
Date	16 November 2012
Source	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3543256/figure/F1/
Author	Massimo Gneo, Maurizio Schmid, Silvia Conforto, and Tommaso D’Alessio

References

A free geometry model-independent neural eye-gaze tracking system

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