A Selective Change Driven System for High-Speed Motion Analysis
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A Selective Change Driven System for High-Speed Motion Analysis

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A Selective Change Driven System for High-Speed Motion Analysis

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dc.contributor.author Boluda Grau, José A.
dc.contributor.author Pardo Carpio, Fernando
dc.contributor.author Vegara Meseguer, Francisco
dc.date.accessioned 2016-11-17T16:28:32Z
dc.date.available 2016-11-17T16:28:32Z
dc.date.issued 2016
dc.identifier.uri http://hdl.handle.net/10550/56105
dc.description.abstract Vision-based sensing algorithms are computationally-demanding tasks due to the large amount of data acquired and processed. Visual sensors deliver much information, even if data are redundant, and do not give any additional information. A Selective Change Driven (SCD) sensing system is based on a sensor that delivers, ordered by the magnitude of its change, only those pixels that have changed most since the last read-out. This allows the information stream to be adjusted to the computation capabilities. Following this strategy, a new SCD processing architecture for high-speed motion analysis, based on processing pixels instead of full frames, has been developed and implemented into a Field Programmable Gate-Array (FPGA). The programmable device controls the data stream, delivering a new object distance calculation for every new pixel. The acquisition, processing and delivery of a new object distance takes just 1.7 μ s. Obtaining a similar result using a conventional frame-based camera would require a device working at roughly 500 Kfps, which is far from being practical or even feasible. This system, built with the recently-developed 64 × 64 CMOS SCD sensor, shows the potential of the SCD approach when combined with a hardware processing system.
dc.language.iso eng
dc.relation.ispartof Sensors, 2016, vol. 16, num. 11, p. 1875-1-1875-19
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Boluda Grau, José A. Pardo Carpio, Fernando Vegara Meseguer, Francisco 2016 A Selective Change Driven System for High-Speed Motion Analysis Sensors 16 11 1875-1 1875-19
dc.subject Informàtica
dc.subject Arquitectura d'ordinadors
dc.title A Selective Change Driven System for High-Speed Motion Analysis
dc.type info:eu-repo/semantics/article
dc.date.updated 2016-11-17T16:28:33Z
dc.identifier.doi http://dx.doi.org/10.3390/s16111875
dc.identifier.idgrec 114535

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