Journal
PROCEEDINGS OF THE IEEE
Volume 102, Issue 10, Pages 1450-1469Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPROC.2014.2342537
Keywords
Bioinspired circuits; calibration; complementary metal-oxide-semiconductor (CMOS) image sensor; current-mode imaging; interpolation; neural recording; optical neural recording; polarization
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Funding
- U.S. Air Force Office of Scientific Research [FA9550-10-1-0121, FA9550-12-1-0321]
- National Science Foundation [OCE 1130793]
- National Institutes of Health [1R01CA171651-01A1]
- McDonnell Center for System Neuroscience grant
- BBSRC [BB/G022917/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/G022917/1] Funding Source: researchfish
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In this paper, we present recent work on bioinspired polarization imaging sensors and their applications in biomedicine. In particular, we focus on three different aspects of these sensors. First, we describe the electro-optical challenges in realizing a bioinspired polarization imager, and in particular, we provide a detailed description of a recent low-power complementary metal-oxide-semiconductor (CMOS) polarization imager. Second, we focus on signal processing algorithms tailored for this new class of bioinspired polarization imaging sensors, such as calibration and interpolation. Third, the emergence of these sensors has enabled rapid progress in characterizing polarization signals and environmental parameters in nature, as well as several biomedical areas, such as label-free optical neural recording, dynamic tissue strength analysis, and early diagnosis of flat cancerous lesions in a murine colorectal tumor model. We highlight results obtained from these three areas and discuss future applications for these sensors.
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