| 摘要 |
In an image pickup apparatus including an image pickup device configured by a plurality of pixels having different photoelectric conversion characteristics on each side of the inflection point of the photoelectric conversion characteristic, prior to the image picking-up for recording, resetting the image pickup device twice by using different voltages with the image pickup device being light shielded, generating inflection point data showing an infection point by using imaged data obtained after reset operation, and afterward correcting the infraction points variation by using the inflection point data can correct the variation of the photoelectric conversion characteristic in a substantially real time. And it can provide a less expensive and high image quality image pickup apparatus and a method for taking a high quality image.
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