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A 26.5 nJ/px 2.64 Mpx/s CMOS Vision Sensor for Gaussian Pyramid Extraction

 

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Opened Access A 26.5 nJ/px 2.64 Mpx/s CMOS Vision Sensor for Gaussian Pyramid Extraction
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Author: Suárez, Manuel
Fernández Berni, Jorge
Carmona Galán, Ricardo
Cabello, D.
Rodríguez Vázquez, Ángel Benito
Date: 2014
ISBN/ISSN: 0018-9200
1558-173X
Document type: Presentation
Abstract: This paper introduces a CMOS vision sensor to extract the Gaussian pyramid with an energy cost of 26.5 nJ/px at 2.64 Mpx/s, thus outperforming conventional solutions employing an imager and a separate digital processor. The chip, manufactured in a 0.18 μm CMOS technology, consists of an arrangement of 88 × 60 processing elements (PEs) which captures images of 176 × 120 resolution and performs concurrent parallel processing right at pixel level. The Gaussian pyramid is generated by using a switched-capacitor network. Every PE includes four photodiodes, four MiM capacitors, one 8-bit single-slope ADC and one CDS circuit, occupying 44 x 44 μm2. Suitability of the chip is assessed by using metrics pertaining to visual tracking
Cite: Suárez, M., Fernández Berni, J., Carmona Galán, R., Cabello, D. y Rodríguez Vázquez, Á.B. (2014). A 26.5 nJ/px 2.64 Mpx/s CMOS Vision Sensor for Gaussian Pyramid Extraction.
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Format: PDF

URI: https://hdl.handle.net/11441/74635

DOI: 10.1109/ESSCIRC.2014.6942084

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