IMAGE PICKUP APPARATUS THAT REDUCES TIME REQUIRED FOR LIGHT CONTROL PROCESSING AND METHOD OF CONTROLLING SAME
First Claim
1. An image pickup apparatus that photographs an object by causing a light emission device to emit light toward the object, comprising at least one processor that functions, according to at least one program stored in a memory, as units comprising:
- a photometry unit configured to selectively obtain a first image having a first resolution and a second image having a second resolution lower than the first resolution, as a photometric image, and performs photometry using the obtained photometric image to thereby obtain a result of photometry;
a determination unit configured to determine whether or not a predetermined condition is satisfied; and
a control unit configured to control, when performing light control processing for determining a main light emission amount for causing the light emission device to perform main light emission for photographing the object, the photometry unit to switch between first control in which the light control processing is performed based on the first image and second control in which the light control processing is performed based on the second image, according to a result of determination performed by the determination unit.
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Accused Products
Abstract
An image pickup apparatus that performs, when photographing an object, photographing by causing a light emission device to emit light to the object. A photometry sensor selectively obtains a first image having a first resolution and a second image having a second resolution lower than the first resolution, as a photometric image, and performs photometry using the obtained photometric image to thereby obtain a result of photometry. When performing light control processing for determining a main light emission amount for causing the light emission device to perform main light emission for photographing the object, the light control is switched between first control for performing light control processing based on the first image and second control for performing light control processing based on the second image, according to a result of determination of whether or not a predetermined condition is satisfied.
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Citations
25 Claims
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1. An image pickup apparatus that photographs an object by causing a light emission device to emit light toward the object, comprising at least one processor that functions, according to at least one program stored in a memory, as units comprising:
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a photometry unit configured to selectively obtain a first image having a first resolution and a second image having a second resolution lower than the first resolution, as a photometric image, and performs photometry using the obtained photometric image to thereby obtain a result of photometry; a determination unit configured to determine whether or not a predetermined condition is satisfied; and a control unit configured to control, when performing light control processing for determining a main light emission amount for causing the light emission device to perform main light emission for photographing the object, the photometry unit to switch between first control in which the light control processing is performed based on the first image and second control in which the light control processing is performed based on the second image, according to a result of determination performed by the determination unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An image pickup apparatus that is capable of performing light emission photographing in which a light emission device is caused to emit light, comprising at least one processor that functions, according to at least one program stored in a memory, as units comprising:
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a face detection unit configured to perform face detection processing on an image obtained using an image sensor, for detecting a face area from an object; a calculation unit configured to calculate a main light emission amount of the light emission device based on information on the face area detected by the face detection processing, non-light emission image obtained using the image sensor without causing the light emission device to emit light, a preliminary light emission image obtained using the image sensor by causing the light emission device to perform preliminary light emission; and a control unit configured to perform control, in a case where the face detection processing is performed on the preliminary light emission image, such that the non-light emission image is obtained after the preliminary light emission image is obtained. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. A method of controlling an image pickup apparatus that photographs an object by causing a light emission device to emit light toward the object, comprising:
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selectively obtaining a first image having a first resolution and a second image having a second resolution lower than the first resolution, as a photometric image, and performing photometry using the obtained photometric image to thereby obtain a result of photometry; determining whether or not a predetermined condition is satisfied; and switching, when performing light control processing for determining a main light emission amount for causing the light emission device to perform main light emission for photographing the object, between first control in which the light control processing is performed based on the first image and second control in which the light control processing is performed based on the second image, according to a result of determination performed by said determining
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25. A method of controlling an image pickup apparatus that is capable of performing light emission photographing in which a light emission device is caused to emit light, comprising:
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performing face detection processing on an image obtained using an image sensor, for detecting a face area from an object; calculating a main light emission amount of the light emission device based on information on the face area detected by the face detection processing, non-light emission image obtained using the image sensor without causing the light emission device to emit light, a preliminary light emission image obtained using the image sensor by causing the light emission device to perform preliminary light emission; and controlling, in a case where the face detection processing is performed on the preliminary light emission image, such that the non-light emission image is obtained after the preliminary light emission image is obtained.
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Specification