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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.citation | 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.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.subject | Informàtica | |
| dc.subject | Arquitectura d'ordinadors | |
| dc.title | A Selective Change Driven System for High-Speed Motion Analysis | |
| dc.type | journal article | es_ES |
| dc.date.updated | 2016-11-17T16:28:33Z | |
| dc.identifier.doi | 10.3390/s16111875 | |
| dc.identifier.idgrec | 114535 | |
| dc.rights.accessRights | open access | es_ES |
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