Apparatus, method for apparatus, image capturing apparatus, and storage medium for providing a notification of blur of a subject in a captured image

1 . An apparatus comprising:

one or more processors; and

a memory storing instructions which, when executed by the one or more processors, cause the one or more processors to function as:

an obtaining unit configured to obtain a plurality of first captured images obtained by performing first shooting with a first parameter and motion information about subjects in the plurality of first captured images;

an estimation unit configured to, when second shooting is performed with a second parameter set independent of the first parameter, estimate motion blur of the subjects in a second captured image obtained in the second shooting, from the motion information and the second parameter;

a notification unit configured to perform a notification process corresponding to information about the motion blur;

a specifying unit configured to specify a subject, among the subjects, for which the notification process is performed; and

a determination unit configured to determine a region for which the notification process is performed, based on the specified subject, wherein

the notification unit is configured to perform the notification process for the determined region,

the specifying unit is a gaze region detection unit configured to detect a gaze region,

the notification unit is configured to change a visibility in the notification process in accordance with at least one of a range over which the detected gaze region moves, a gaze duration, or a distance from the gaze region.

2 . The apparatus according to claim 1 , wherein

the determination unit includes a subject detection unit, and

the notification unit is configured to perform the notification process for a detected subject region as a region for which a notification is provided.

3 . The apparatus according to claim 1 , wherein

the specifying unit is a touch panel, and

the notification unit is configured to perform the notification process for a region determined by the determination unit based on a subject specified by a user operation on the touch panel.

4 . The apparatus according to claim 1 , wherein

the specifying unit is an operation member used to specify a position of an autofocus frame, and

the notification unit is configured to perform the notification process for a region determined by the determination unit based on a position of an autofocus frame specified by an operation of the operation member.

5 . The apparatus according to claim 1 , wherein

the estimation unit is configured to estimate motion blur for a specific region of the specified subject, the specific region being detected by the determination unit based on the specified subject, and

the notification unit is configured to perform the notification process for the specific region based on the motion blur estimated by the estimation unit.

6 . The apparatus according to claim 5 , wherein

the specific region includes at least one of parts of a person, an animal, or a vehicle.

7 . The apparatus according to claim 5 , wherein

the specifying unit is configured to specify the subject by specifying a position in one of the first captured images, and

the determination unit is configured to determine the specific region that is detected within a predetermined range from the position specified by the specifying unit as the region for which the notification process is performed.

8 . An image capturing apparatus comprising:

an image capturing unit; and

the apparatus according to claim 5 .

9 . An apparatus comprising:

one or more processors; and

a memory storing instructions which, when executed by the one or more processors, cause the one or more processors to function as:

an obtaining unit configured to obtain a plurality of first captured images obtained by performing first shooting with a first parameter and motion information about subjects in the plurality of first captured images;

an estimation unit configured to, when second shooting is performed with a second parameter set independent of the first parameter, estimate motion blur of the subjects in a second captured image obtained in the second shooting, from the motion information and the second parameter;

a notification unit configured to perform a notification process corresponding to information about the motion blur;

a specifying unit configured to specify a subject, among the subjects, for which the notification process is performed; and

a determination unit configured to determine a region for which the notification process is performed, based on the specified subject,

wherein

the notification unit is configured to perform the notification process for the determined region,

the specifying unit is a gaze region detection unit configured to detect a gaze region, and

the notification unit is configured to change a display region in the notification process in accordance with a movement direction or a speed of the detected gaze region.

10 . A method for an apparatus, the method comprising:

obtaining a plurality of first captured images obtained by performing first shooting with a first parameter and motion information about subjects in the plurality of first captured images;

estimating, when second shooting is performed with a second parameter set independent of the first parameter, motion blur of the subjects in a second captured image obtained in the second shooting, from the motion information and the second parameter;

performing a notification process corresponding to information about the motion blur;

specifying a subject, among the subjects, for which the notification process is performed; and

determining a region for which the notification process is performed, based on the specified subject,

wherein

the notification process is performed for the determined region,

in the specifying, detecting a gaze region is performed,

the notification process is performed to change a visibility in accordance with at least one of a range over which the detected gaze region moves, a gaze duration, or a distance from the gaze region.

11 . The method according to claim 10 , further comprising:

detecting a subject region; and

performing the notification process for the detected subject region.

12 . The method according to claim 10 , further comprising:

specifying a subject by a user operation on a touch panel; and

performing the notification process for the determined region on the specified subject.

13 . The method according to claim 10 , further comprising:

specifying a position of an autofocus frame by an operation of an operation member; and

performing the notification process for the determined region based on the specified position of the autofocus frame.

14 . The method according to claim 10 , further comprising:

estimating motion blur for a specific region of the specified subject, the detected specific region based on the specified subject; and

performing the notification process for the specific region based on the estimated motion blur.

15 . A method for an apparatus, the method comprising:

outputting, when a shooting instruction is given by a user while a plurality of first captured images are successively output in first shooting performed with a first parameter, in response to the shooting instruction, a second captured image obtained in second shooting performed with a second parameter;

calculating motion information based on the plurality of first captured images;

setting the second parameter independent of the first parameter;

estimating motion blur in the second captured image, based on the motion information and the second parameter;

performing a notification process corresponding to information about the motion blur;

specifying a subject for which the notification process is performed; and

determining a region for which the notification process is performed, based on the specified subject,

wherein

the notification process is performed for the determined region,

in the specifying, detecting a gaze region is performed, and

the notification process is performed to change a visibility in accordance with at least one of a range over which the detected gaze region moves, a gaze duration, or a distance from the gaze region.

16 . A non-transitory computer-readable storage medium which stores a program for causing a computer of an apparatus to execute a method, the method comprising:

obtaining a plurality of first captured images obtained by performing first shooting with a first parameter and motion information about subjects in the plurality of first captured images;

estimating, when second shooting is performed with a second parameter set independent of the first parameter, motion blur of the subjects in a second captured image obtained in the second shooting, from the motion information and the second parameter;

performing a notification process corresponding to information about the motion blur;

specifying a subject, among the subjects, for which the notification process is performed; and

determining a region for which the notification process is performed, based on the specified subject,

wherein

the notification process is performed for the determined region,

in the specifying, detecting a gaze region is performed, and

the notification process is performed to change a visibility in accordance with at least one of a range over which the detected gaze region moves, a gaze duration, or a distance from the gaze region.

17 . A non-transitory computer-readable storage medium which stores a program for causing a computer of an apparatus to execute a method, the method comprising:

outputting, when a shooting instruction is given by a user while first captured images are successively output in first shooting performed with a first parameter, in response to the shooting instruction, a second captured image obtained in second shooting performed with a second parameter;

calculating motion information based on the plurality of first captured images;

setting the second parameter independent of the first parameter;

estimating motion blur in the second captured image, based on the motion information and the second parameter;

performing a notification process corresponding to information about the motion blur;

specifying a subject for which the notification process is performed; and

determining a region for which the notification process is performed, based on the specified subject,

wherein

the notification process is performed for the determined region,

in the specifying, detecting a gaze region is performed,

the notification process is performed to change a visibility in accordance with at least one of a range over which the detected gaze region moves, a gaze duration, or a distance from the gaze region.