Signal processing apparatus for correcting an output signal of a focus detecting pixel cell to improve a captured image quality
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United States of America Patent
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May 17, 2016
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Mar 5, 2015
app pub date -
Nov 7, 2014
filing date -
May 10, 2012
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Abstract
An imaging element 5 includes an imaging pixel cell 30 and focus detecting pixel cells 31R and 31L. The digital signal processing unit 17 determines which one of interpolation processing and gain correction processing is to be performed using at least the F value at the time of imaging. The interpolation processing corrects the output signal of the focus detecting pixel cell through signal interpolation using the output signals of the surrounding imaging pixel cells, and the gain correction processing amplifies and corrects the output signal of the focus detecting pixel cell by a gain.
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