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Title

A 100dB dynamic range event-driven spatial contrast sensor with 10μs response time and time-to-first-spike mode

AuthorsLeñero-Bardallo, J. A. ; Serrano-Gotarredona, Teresa ; Linares-Barranco, Bernabé
Issue Date2010
PublisherInstitute of Electrical and Electronics Engineers
CitationProceedings of the ESSCIRC: 134-137 (2010)
AbstractBio-inspired vision sensors have some inherent advantages over conventional sequential-still-image sensors. Some of them are high speed, low latency and reduced bandwidth and power consumption. In this paper, we present a new spatial contrast retina with signed output. Its output is zero if there is no contrast. The new sensor includes an optional Time-to-First-Spike mode (TFS) that combines the advantages of AER vision systems and frame-based ones. In TFS mode, times between consecutive frames can be adjusted dynamically by transmitting only relevant information. Both operation modes are ambient-light-independent, to first order. A 32×32 pixel prototype has been fabricated in 0.35um CMOS. Experimental results are provided.
DescriptionComunicación presentada al "ESSCIRC-10" celebrado en Sevilla (España) del 14 al 16 de Septiembre del 2010.
Publisher version (URL)http://dx.doi.org/10.1109/ESSCIRC.2010.5619824
URIhttp://hdl.handle.net/10261/84021
DOI10.1109/ESSCIRC.2010.5619824
Identifiersdoi: 10.1109/ESSCIRC.2010.5619824
isbn: 978-1-4244-6662-7
Appears in Collections:(IMSE-CNM) Libros y partes de libros
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