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A dual-conversion-gain video sensor with dewarping and overlay on a single chip

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4 Author(s)
Huggett, A. ; Aptina Imaging, Bracknell ; Silsby, C. ; Cami, S. ; Beck, J.

Automotive sensors such as video-reversing cameras demand excellent low- light performance whilst also being able to handle full sunlight. Furthermore, the wide-angle-lens systems employed in such cameras introduce optical distortion, and the cameras are often mounted low down on the vehicle, making the picture hard to interpret. A sensor system-on-a-chip (SSoC), combining a CMOS video sensor having excellent low-light performance with spatial-processing circuitry to correct optical warping and adjust perspective, together with an overlay circuit to further assist the vehicle driver, producing NTSC video.

Published in:

Solid-State Circuits Conference - Digest of Technical Papers, 2009. ISSCC 2009. IEEE International

Date of Conference:

8-12 Feb. 2009

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