| 摘要 |
An image pickup apparatus in which color signals are generated and extracted from a picked-up image signal for a plurality of regions in a screen, a wavelength component ratio is detected and calculated based on the extracted color signals for each of the plurality of regions, one or more regions in which the visible light component ratio calculated is large are selected, and the visible light component ratio of the photographing screen is determined based on the visible light component ratios of the selected regions.
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