Image sensor and method of correcting output signal of the image sensor based on signals from different pixel rows

摘要

A method of processing signals from an image sensor outputting signals from rows of pixels in the image sensor having optical signals, outputting signals from rows of pixels in the image sensor not having optical signals, and correcting the signals from the rows of pixels having optical signals based on the signals corresponding to the rows of pixels not having optical signals.

主权项

1. A method of processing signals from an image sensor, which includes a plurality of pixels in each of a plurality of rows, the method comprising:
outputting signals from pixels in rows having optical signals; outputting signals from pixels in rows not having optical signals; and correcting the signals from the pixels in rows having optical signals based on the signals corresponding to the pixels in the rows not having optical signals, wherein the pixels in the rows not having optical signals used in correcting the signals from the pixels in rows having optical signals are color pixels for generating an image, wherein correcting the signals corresponding to the pixels in the rows having the optical signals includes correcting signals output from pixels of first rows and correcting signals output from pixels of second rows, and wherein correcting the signals output from the pixels of the first rows includes: transmitting a signal from a photodiode region to a storage diode region in each of the pixels of the first rows; reading the signal of the storage diode region included in each of the pixels of the first rows and the pixels of the second rows; and subtracting values of the signals output from the pixels of the second rows from corresponding values of the signals output from the pixels of the first rows.