Time of flight imaging through scattering environments (Conference Presentation)

Toan H. Le; Eric C. Breitbach; Jonathan A. Jackson; Andreas Velten

doi:10.1117/12.2251671

24 April 2017 Time of flight imaging through scattering environments (Conference Presentation)

Toan H. Le, Eric C. Breitbach, Jonathan A. Jackson, Andreas Velten

Proceedings Volume 10076, High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management II; 100760F (2017) https://doi.org/10.1117/12.2251671
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

Light scattering is a primary obstacle to imaging in many environments. On small scales in biomedical microscopy and diffuse tomography scenarios scattering is caused by tissue. On larger scales scattering from dust and fog provide challenges to vision systems for self driving cars and naval remote imaging systems. We are developing scale models for scattering environments and investigation methods for improved imaging particularly using time of flight transient information. With the emergence of Single Photon Avalanche Diode detectors and fast semiconductor lasers, illumination and capture on picosecond timescales are becoming possible in inexpensive, compact, and robust devices. This opens up opportunities for new computational imaging techniques that make use of photon time of flight. Time of flight or range information is used in remote imaging scenarios in gated viewing and in biomedical imaging in time resolved diffuse tomography. In addition spatial filtering is popular in biomedical scenarios with structured illumination and confocal microscopy. We are presenting a combination analytical, computational, and experimental models that allow us develop and test imaging methods across scattering scenarios and scales. This framework will be used for proof of concept experiments to evaluate new computational imaging methods.

Conference Presentation

Citation Download Citation

Toan H. Le, Eric C. Breitbach, Jonathan A. Jackson, and Andreas Velten "Time of flight imaging through scattering environments (Conference Presentation)", Proc. SPIE 10076, High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management II, 100760F (24 April 2017); https://doi.org/10.1117/12.2251671

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KEYWORDS

Scattering

Biomedical optics

Light scattering

Computational imaging

Imaging systems

Time of flight imaging

Tomography

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