Imager row-wise noise correction

Details Imager row-wise noise correction Imager row-wise noise correction

2009-10-06

2010-12-14

Ye, Lin (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S243000

Reexamination Certificate

active

07852385

ABSTRACT:
An imager having optically and electrically black reference pixels in each row of the imager's pixel array. Since the reference pixels of each row experience the same row-wise noise as active imaging pixels in the associated row, the signals from the reference pixels are used to cancel out row-wise noise from the row of imaging pixels. The reference pixels are designed such that their photosensors are physically or effectively removed from the row-wise noise correction, thus rendering them electrically black or dark. As such, the reference pixels can be used to provide row-wise noise correction without the adverse effects of warm and hot pixels.

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