A 12.6 mW 8.3 Mevents/s contrast detection 128×128 imager with 75 dB intra-scene DR asynchronous random-access digital readout

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dc.contributor.authorPark, Jongkilko
dc.contributor.authorHa, Sohmyungko
dc.contributor.authorKim, Chulko
dc.contributor.authorJoshi, Siddharthko
dc.contributor.authorYu, Theodoreko
dc.contributor.authorMa, Weiko
dc.contributor.authorCauwenberghs, Gertko
dc.date.accessioned2021-01-28T06:20:33Z-
dc.date.available2021-01-28T06:20:33Z-
dc.date.created2021-01-20-
dc.date.issued2014-10-
dc.identifier.citation2014 IEEE Biomedical Circuits and Systems Conference (BioCAS), pp.564 - 567-
dc.identifier.urihttp://hdl.handle.net/10203/280347-
dc.description.abstractWe present a temporal contrast detection event-driven asynchronous 128×128 pixel image sensor with integrated 10-bit ADC intensity readout in 0.18 μm 6M 1P CMOS. Current-mode log-compressed readout with correlated double sampling (CDS) offset compensation provides random access to instantaneous pixel intensity over 75 dB intra-scene dynamic range. Temporal correlated double sampling in 'on' and 'off' transient event detection reduces capacitor sizing requirements within the pixel. Global threshold adaptation using common-mode capacitive coupling across the pixel array compensates for global scene lighting variations. Power consumption at 8.3 Mevents/s is 12.6 mW from a 1.8 V supply, or 1.52 nJ per pixel event detection and readout. Die size is 5mm×5mm and pixel size is 33μm×33μm with 22.8% fill factor.-
dc.languageEnglish-
dc.publisherIEEE-
dc.titleA 12.6 mW 8.3 Mevents/s contrast detection 128×128 imager with 75 dB intra-scene DR asynchronous random-access digital readout-
dc.typeConference-
dc.identifier.scopusid2-s2.0-84920522342-
dc.type.rimsCONF-
dc.citation.beginningpage564-
dc.citation.endingpage567-
dc.citation.publicationname2014 IEEE Biomedical Circuits and Systems Conference (BioCAS)-
dc.identifier.conferencecountrySZ-
dc.identifier.conferencelocationLausanne, Switzerland-
dc.identifier.doi10.1109/biocas.2014.6981788-
dc.contributor.localauthorKim, Chul-
dc.contributor.nonIdAuthorPark, Jongkil-
dc.contributor.nonIdAuthorHa, Sohmyung-
dc.contributor.nonIdAuthorJoshi, Siddharth-
dc.contributor.nonIdAuthorYu, Theodore-
dc.contributor.nonIdAuthorMa, Wei-
dc.contributor.nonIdAuthorCauwenberghs, Gert-
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BiS-Conference Papers(학술회의논문)
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