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Sun Sensor Based on a Luminance Spiking Pixel Array

AuthorsLeñero-Bardallo, J. A. ; Farian, Łukasz; Guerrero-Rodríguez, J.M.; Carmona-Galán, R. ; Rodríguez-Vázquez, Ángel
KeywordsSpace probes
Sun sensors
Attitude determination
Event-based vision sensors
Issue Date2017
PublisherInstitute of Electrical and Electronics Engineers
CitationIEEE Sensors Journal 17: 6578- 6588 (2017)
AbstractWe present a novel sun sensor concept. It is the very first sun sensor built with an address event representation spiking pixel matrix. Its pixels spike with a frequency proportional to illumination. It offers remarkable advantages over conventional digital sun sensors based on active pixel sensor (APS) pixels. Its output data flow is quite reduced. It is possible to resolve the sun position just receiving one single event operating in time-to-first-spike mode. It operates with a latency in the order of milliseconds. It has higher dynamic range than APS image sensors (higher than 100 dB). A custom algorithm to compute the centroid of the illuminated pixels is presented. Experimental results are provided.
Identifiersdoi: 10.1109/JSEN.2017.2749414
issn: 1530-437X
Appears in Collections:(IMSE-CNM) Artículos
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