We present an optical 3-D ranging camera for automotive applications that is able to provide a centimeter depth resolution over a $\mbox{40}^{\circ} \times \mbox{20}^{\circ}$ field of view up to 45 m with just 1.5 W of active illumination at 808 nm. The enabling technology we developed is based on a CMOS imager chip of 64 $\times$ 32 pixels, each with a single-photon avalanche diode (SPAD) and three 9-bit digital counters, able to perform lock-in time-of-flight calculation of individual photons emitted by a laser illuminator, reflected by the objects in the scene, and eventually detected by the camera. Due to the SPAD single-photon sensitivity and the smart in-pixel processing, the camera provides state-of-the-art performance at both high frame rates and very low light levels without the need for scanning and with global shutter benefits. Furthermore, the CMOS process is automotive certified.


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    Titel :

    Automotive Three-Dimensional Vision Through a Single-Photon Counting SPAD Camera


    Beteiligte:
    Bronzi, Danilo (Autor:in) / Zou, Yu (Autor:in) / Villa, Federica (Autor:in) / Tisa, Simone (Autor:in) / Tosi, Alberto (Autor:in) / Zappa, Franco (Autor:in)


    Erscheinungsdatum :

    2016-03-01


    Format / Umfang :

    2898349 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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