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Proceedings Paper

Development and bench testing of a multi-spectral imaging technology built on a smartphone platform
Author(s): Frank J. Bolton; Reuven Weiser; Alex J. Kass; Donny Rose; Amit Safir; David Levitz
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Paper Abstract

Cervical cancer screening presents a great challenge for clinicians across the developing world. In many countries, cervical cancer screening is done by visualization with the naked eye. Simple brightfield white light imaging with photo documentation has been shown to make a significant impact on cervical cancer care. Adoption of smartphone based cervical imaging devices is increasing across Africa. However, advanced imaging technologies such as multispectral imaging systems, are seldom deployed in low resource settings, where they are needed most. To address this challenge, the optical system of a smartphone-based mobile colposcopy imaging system was refined, integrating components required for low cost, portable multi-spectral imaging of the cervix. This paper describes the refinement of the mobile colposcope to enable it to acquire images of the cervix at multiple illumination wavelengths, including modeling and laboratory testing. Wavelengths were selected to enable quantifying the main absorbers in tissue (oxyand deoxy-hemoglobin, and water), as well as scattering parameters that describe the size distribution of scatterers. The necessary hardware and software modifications are reviewed. Initial testing suggests the multi-spectral mobile device holds promise for use in low-resource settings.

Paper Details

Date Published: 11 March 2016
PDF: 6 pages
Proc. SPIE 9699, Optics and Biophotonics in Low-Resource Settings II, 969907 (11 March 2016); doi: 10.1117/12.2218694
Show Author Affiliations
Frank J. Bolton, MobileODT Ltd. (Israel)
Tel Aviv Univ. (Israel)
Reuven Weiser, MobileODT Ltd. (Israel)
Alex J. Kass, MobileODT Ltd. (Israel)
Donny Rose, MobileODT Ltd. (Israel)
Amit Safir, MobileODT Ltd. (Israel)
David Levitz, MobileODT Ltd. (Israel)


Published in SPIE Proceedings Vol. 9699:
Optics and Biophotonics in Low-Resource Settings II
David Levitz; Aydogan Ozcan; David Erickson, Editor(s)

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