Information processing apparatus, control method of information processing apparatus, storage medium, and imaging system
An image acquisition unit configured to acquire an image obtained by performing image capturing of a subject using an imaging unit, a detection method setting unit configured to set a detection method of a subject for the image, a subject detection unit configured to detect a subject based on the detection method determined by the detection method setting unit, and an exposure determination unit configured to determine exposure based on a detection result obtained from the subject detection unit are included, and the detection method setting unit can set the detection method different for each of different regions in the image, based on predetermined information used in performing image capturing for obtaining the image.
1. An information processing apparatus comprising:
at least one processor or circuit configured to perform operations of the following units;
an image acquisition unit configured to acquire an image obtained by performing image capturing of a subject using an imaging unit;
a detection method setting unit configured to set a detection method of a subject for the image;
a subject detection unit configured to detect a subject based on the detection method determined by the detection method setting unit; and
an exposure determination unit configured to determine exposure based on a detection result obtained from the subject detection unit,
wherein the detection method setting unit can set the detection method different for each of different regions in the image, based on information regarding a distance to a subject used in performing image capturing for obtaining the image.
2. The information processing apparatus according to claim 1 ,
wherein at least face detection detecting a face region in the image, and human body detection detecting a human body region in the image are settable as the detection method of the subject.
3. The information processing apparatus according to claim 2 ,
wherein at least face detection of preferentially detecting a face region in the image, and human body detection of preferentially detecting a human body region in the image are settable as the detection method of the subject, and
wherein the detection method setting unit sets a region in which the face detection is to be performed, in accordance with a photometry region to be used in performing image capturing of a subject, and determines a region in which the human body detection is to be performed, in accordance with a peripheral region of the photometry region.
4. The information processing apparatus according to claim 2 , wherein the detection method setting unit sets a region in the image in which face detection detecting a face region is to be performed, in accordance with a region in the image in which a reliability degree related to face detection calculated by the subject detection unit falls within a predetermined range, and sets a region in the image in which human body detection detecting a human body region is to be performed, in accordance with a region in the image in which a reliability degree related to human body detection calculated by the subject detection unit falls within a predetermined range.
5. The information processing apparatus according to claim 2 , wherein the exposure determination unit determines exposure such that weighting for a region in which the face detection is to be performed and a region in which the human body detection is to be performed that have been set by the detection method setting unit, becomes larger than that for another region in the image.
6. The information processing apparatus according to claim 5 , wherein the exposure determination unit determines exposure based on at least one piece of information about a size, a number, and a position in the image, as information regarding a face and a human body detected by the face detection and the human body detection.
7. The information processing apparatus according to claim 1 , wherein the detection method setting unit sets a region in the image in which face detection of preferentially detecting a face region is to be performed, in accordance with a region in the image having a distance to a subject that falls within a first range, and sets a region in the image in which human body detection of preferentially detecting a human body region is to be performed, in accordance with a region in the image having a distance to a subject that falls within a second range farther than the first range.
8. A control method of an information processing apparatus, the control method comprising:
acquiring an image obtained by performing image capturing of a subject using an imaging unit;
setting a detection method of a subject for the image and detecting a subject; and
determining exposure based on a detection result obtained in the detecting,
wherein, in the detecting, the detection method different for each of different regions in the image is set based on information regarding a distance to a subject used in performing image capturing for obtaining the image.
9. A non-transitory computer-readable storage medium storing a program for causing a processor to execute a method of controlling an information processing apparatus, the control method comprising:
acquiring an image obtained by performing image capturing of a subject using an imaging unit;
setting a detection method of a subject for the image and detecting a subject; and
determining exposure based on a detection result obtained in the detecting,
wherein, in the detecting, the detection method different for each of different regions in the image is set based on information regarding a distance to a subject used in performing image capturing for obtaining the image.
10. An imaging system including an imaging apparatus including an imaging unit, and an information processing apparatus connectable with the imaging apparatus,
wherein the information processing apparatus includes:
at least one processor or circuit configured to perform operations of the following units;
an image acquisition unit configured to acquire an image obtained by performing image capturing of a subject using the imaging unit;
a detection method setting unit configured to set a detection method of a subject for the image;
a subject detection unit configured to detect a subject based on the detection method determined by the detection method setting unit; and
an exposure determination unit configured to determine exposure based on a detection result obtained from the subject detection unit, and
wherein the detection method setting unit can set the detection method different for each of different regions in the image, based on information regarding a distance to a subject used in performing image capturing for obtaining the image.