Usage of cornea and sclera back reflected images captured in security cameras for forensic and card games applications

Zeev Zalevsky; Asaf Ilovitsh; Yevgeny Beiderman

doi:10.1117/12.2028259

16 October 2013 Usage of cornea and sclera back reflected images captured in security cameras for forensic and card games applications

Zeev Zalevsky, Asaf Ilovitsh, Yevgeny Beiderman

Author Affiliations +

Proceedings Volume 8901, Optics and Photonics for Counterterrorism, Crime Fighting and Defence IX; and Optical Materials and Biomaterials in Security and Defence Systems Technology X; 89010I (2013) https://doi.org/10.1117/12.2028259
Event: SPIE Security + Defence, 2013, Dresden, Germany

Abstract

We present an approach allowing seeing objects that are hidden and that are not positioned in direct line of sight with security inspection cameras. The approach is based on inspecting the back reflections obtained from the cornea and the sclera of the eyes of people attending the inspected scene and which are positioned in front of the hidden objects we aim to image after performing proper calibration with point light source (e.g. a LED). The scene can be a forensic scene or for instance a casino in which the application is to see the cards of poker players seating in front of you.

Citation Download Citation

Zeev Zalevsky, Asaf Ilovitsh, and Yevgeny Beiderman "Usage of cornea and sclera back reflected images captured in security cameras for forensic and card games applications", Proc. SPIE 8901, Optics and Photonics for Counterterrorism, Crime Fighting and Defence IX; and Optical Materials and Biomaterials in Security and Defence Systems Technology X, 89010I (16 October 2013); https://doi.org/10.1117/12.2028259

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