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US 11,272,112 B2Granted
Image capturing apparatus
AssigneeCanon Kabushiki Kaisha
InventorNaoto Ogushi
Life of this patent
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Abstract
An image capturing apparatus comprises: a first image sensor having a plurality of pixels each counts a number of entering photons and outputs a count value as a first image signal; a second image sensor having a plurality of pixels each outputs an electric signal corresponding to a charge amount obtained by performing photoelectric conversion on entering light as a second image signal; and a generator that generates an image by selecting one of the first image signal and the second image signal.
Claims6
An image capturing apparatus comprising:
- a first image sensor having a plurality of pixels each counts a number of entering photons and outputs a count value as a first image signal;
- a second image sensor having a plurality of pixels each outputs an electric signal corresponding to a charge amount obtained by performing photoelectric conversion on entering light as a second image signal;
- at least one processor programmed to perform operations of an obtaining unit that obtains a luminance value;
- and
- a generator that expands a dynamic range of an image using the first image signal and the second image signal,
- wherein the generator performs processing of
- selecting the first image signal in a case where the luminance value is less than a predetermined first threshold value,
- selecting and synthesizing the first and second image signals in a case where the luminance value is equal to or greater than the predetermined first threshold value and less than a predetermined second threshold value which is larger than the predetermined first threshold value, and
- selecting the second image signal and adjusting its sensitivity in a case where the luminance value is equal to or greater than the predetermined second threshold value.
6 more elements
Dependencies are inferred from the claim text.