In this paper, a 256x256 pixel CMOS imager is described that exhibits 120 dB dynamic range, 56 dB signal-to-noise ratio (SNR), 65% fill factor, and an effective frame rate of 50 Hz. This has been achieved using a unique combination of a multiexposure and a multigain linear readout. The imager has been integrated in 1 mu m double-metal CMOS technology. The intended application is for driver's assistant systems, but the imager can be used for a wide range of applications requiring high dynamic range.
A high-dynamic-range CMOS image sensor for automotive applications
IEEE Journal of Solid-State Circuits ; 35 , 7 ; 932-938
2000
7 Seiten, 8 Quellen
Article (Journal)
English
High Dynamic Range CMOS Camera for Automotive Applications
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