High dynamic range imager with a rolling shutter

Details High dynamic range imager with a rolling shutter High dynamic range imager with a rolling shutter

2008-07-08

2008-07-08

Ho, Tuan (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

Reexamination Certificate

active

07397509

ABSTRACT:
A high dynamic range imager operates pixels utilizing at least a short integration period and a long integration period. The pixel reading circuits of the imager are adapted to process pixel signals corresponding to the integration periods in parallel. The pixel signals are converted into digital values in parallel. The digital values are each linear functions of the incident light and therefore suitable for use with conventional color processing algorithms. A pipelined rolling shutter operation may be employed where the short integration period of one row of pixels is performed simultaneously with the long integration period of another row of pixels.

REFERENCES:
patent: 6008486 (1999-12-01), Stam et al.
patent: 6674470 (2004-01-01), Tanaka et al.
patent: 6680498 (2004-01-01), Guidash
patent: 6710804 (2004-03-01), Guidash

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