(Invited) Specular reflection reduction for endoscopic imaging based on liquid crystal lens

Yi-Pai Huang; Amir Hassanfiroozi; Han-Ping D. Shieh; Bahram Javidi

doi:10.1364/3D.2016.TW2A.1

Imaging and Applied Optics 2016
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper TW2A.1
•https://doi.org/10.1364/3D.2016.TW2A.1

(Invited) Specular reflection reduction for endoscopic imaging based on liquid crystal lens

Yi-Pai Huang, Amir Hassanfiroozi, Han-Ping D. Shieh, and Bahram Javidi

3D Image Acquisition and Display: Technology, Perception and Applications 2016

Heidelberg Germany
25–28 July 2016
ISBN: 978-1-943580-15-6

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3D Image Technology II (TW2A)

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Y. Huang, A. Hassanfiroozi, H. D. Shieh, and B. Javidi, "(Invited) Specular reflection reduction for endoscopic imaging based on liquid crystal lens," in Imaging and Applied Optics 2016, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper TW2A.1.

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Abstract

Light scattering in the visible wavelength range complicates the extraction of important information in tissue, due to unpolarized illumination of endoscope LED light. LC lenses are polarizer dependent devices, which can solve glaring issue of the reflected light from the tissue. In this paper, we investigate a method of anti-specular reflection using an advanced liquid crystal lens for 2D/3D switchable imaging. There are many other potential applications, both in tissue diagnostics and in treatment response monitoring.

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