Image pickup apparatus that detects flash band and control method therefor
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United States of America Patent
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Jan 16, 2018
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app pub date -
Jun 15, 2016
filing date -
Jun 17, 2015
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Abstract
An image pickup apparatus which is capable of detecting a flash band with high accuracy even when no flash light is falling on a part of an image. The image pickup apparatus detects a band-shaped luminance step appearing in a plurality of frame images, which are obtained through image pickup by an image pickup unit, in a video comprised of the plurality of frame images. A detection area, which is for use in detecting the luminance step, is set in a part of the frame image according to a subject included in the frame image. Luminance data is obtained on a line-by-line basis in the detection area, and based on a difference in luminance data between corresponding lines in the frame images, the luminance step is detected.
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