NDLI: Design of a current mode polarization arithmetic analyzer

Content Provider	IEEE Xplore Digital Library
Author	Nan Cui Milin Zhang Engheta, N. Van der Spiegel, J.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. & Syst. Eng. (ESE), Univ. of Pennsylvania, Philadelphia, PA, USA (Nan Cui; Milin Zhang; Engheta, N.; Van der Spiegel, J.)
Abstract	CMOS Polarization image sensors can detect the polarization of an incident light, from which a lot of information can be derived about the properties and shape of the images objects. This paper proposes a current mode polarization analyzer, based on a three-parameter polarization analysis methodology. The procedure of the calculation of the intensity, polarization degree, and the polarization angle is optimized in a format for hardware friendly implementation. The proposed analysis procedure is implemented using only absolute adder/subtractors and multiplier/dividers. In this work, the multiplier/divider is performed in two modes: i) geometric mean calculation mode, and ii) square/divider mode. Both a parallel implementation, which employs five multiplier/divider, for the optimization of processing efficiency, and a serial implementation, which employs two multiplier/divider, for the optimization of power efficiency, are designed and compared. A prototype chip of the proposed design was implemented in 0.5μm 3M2P standard CMOS technology, occupying a silicon area of 150 × 140 $μm^{2}.$
Sponsorship	IEEE Circuits Syst. Soc.
Starting Page	2121
Ending Page	2124
File Size	1551400
Page Count	4
File Format	PDF
e-ISBN	9781479934324
DOI	10.1109/ISCAS.2014.6865586
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-01
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image sensors CMOS integrated circuits Arrays Adders Calculators Standards CMOS technology polarimetry Current mode circuit Polarization analyzer Polarization image sensor
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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