| 摘要 |
An image processing apparatus for processing an output of an image pickup element having ordinary pixels arranged in a horizontal direction and a vertical direction and functional pixels arranged discretely between the ordinary pixels, is arranged to estimate an image signal at a position of the functional pixel by a gain correction operation of outputs of the functional pixels, estimate an output of the image signal at the position of the functional pixel on the basis of outputs of reference pixels selected from the ordinary pixels around the functional pixel, and select the image signal at the position of the functional pixel on the basis of an estimation result by the gain correction from one or a plurality of estimation results obtained using the reference pixels.
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