Imaging apparatus having subject detection function, method for controlling the imaging apparatus, and storage medium
A subject detection apparatus includes a subject detection unit configured to detect a subject included in an image, an orientation detection unit configured to detect an orientation of the subject detection apparatus, and a control unit configured to control a zoom magnification according to an area of the subject detected by the subject detection unit. If the area of the subject detected by the subject detection unit enters a designated area of the image, the control unit controls the zoom magnification so as to become a zoom magnification in a wide angle direction. The designated area is set according to a detection result obtained by the orientation detection unit.
1. A subject detection apparatus, comprising:
a subject detection unit configured to detect a subject included in an image;
an orientation detection unit configured to detect an orientation of the subject detection apparatus, and
a control unit configured to control a zoom magnification according to an area of the subject detected by the subject detection unit,
wherein the control unit is configured to control the zoom magnification so as to become a zoom magnification in a wide angle direction if the area of the subject detected by the subject detection unit enters a designated area of the image, and
wherein the designated area is set according to a detection result obtained by the orientation detection unit.
2. The subject detection apparatus according to claim 1 , wherein the designated area is set in a peripheral region of the image, and an occupation rate of the designated area in a right-and-left direction of the image is smaller than an occupation rate of the designated area in an up-and-down direction of the image, in the orientation of the subject detection apparatus detected by the orientation detection unit.
3. The subject detection apparatus according to claim 1 , wherein the designated area is set in a peripheral region of the image and is set in an area that excludes at least a part of an upper edge and a lower edge of the image in the orientation of the subject detection apparatus detected by the orientation detection unit.
4. The subject detection apparatus according to claim 1 , wherein the designated area is set in a peripheral region of the image, and the designated area to be set when the orientation detection unit detects that the subject detection apparatus is regularly positioned includes an area that is different from the designated area to be set when the orientation detection unit detects that the subject detection apparatus is vertically positioned.
5. The subject detection apparatus according to claim 1 , wherein the orientation detection unit is configured to detect an up-and-down direction of the subject detection apparatus in an orientation detection result obtained by the orientation detection unit, and the designated area is set according to the detected direction in the up-and-down direction of the subject detection apparatus.
6. The subject detection apparatus according to claim 1 , wherein if the subject is a human face area, the designated area is set according to an orientation detection result obtained by the orientation detection unit.
7. The subject detection apparatus according to claim 1 , further comprising:
a shake detection unit configured to detect a shake amount of the subject detection apparatus,
wherein if the shake amount detected by the shake detection unit is smaller than a predetermined amount, the designated area is set without taking a detection result obtained by the orientation detection unit into consideration.
8. The subject detection apparatus according to claim 1 , further comprising:
a setting unit configured to set an aspect ratio of the image,
wherein if the setting unit changes the aspect ratio of the image, the designated area is set in a non-recorded area of the image that is generated according to the change of the aspect ratio.
9. The subject detection apparatus according to claim 8 , wherein the zoom magnification in the wide angle direction is set based on a change or orientation in an up-and-down direction or a right-and-left direction of the image before and after the aspect ratio is changed by the setting unit.
10. A subject detection apparatus, comprising:
a subject detection unit configured to detect a subject included in an image;
an orientation detection unit configured to detect an orientation of the subject detection apparatus; and
a control unit configured to control a zoom magnification according to an area of the subject detected by the subject detection unit,
wherein the control unit is configured to control the zoom magnification so as to become a zoom magnification in a telephoto direction if the area of the subject detected by the subject detection unit is included in a designated area of the image, and
wherein the designated area is set according to a detection result obtained by the orientation detection unit.
11. The subject detection apparatus according to claim 10 , wherein the designated area is set around the center of the image in a right-and-left direction, and an occupation rate of the designated area in the right-and-left direction of the image is smaller than an occupation rate of the designated area in an up-and-down direction of the image, in the orientation of the subject detection apparatus detected by the orientation detection unit.
12. The subject detection apparatus according to claim 10 , wherein the designated area is set so as to include at least a part of an upper edge and a lower edge of the image, in the orientation of the subject detection apparatus detected by the orientation detection unit.
13. The subject detection apparatus according to claim 10 , wherein the designated area is an area set around the center of the image in a right-and-left direction, in the orientation of the subject detection apparatus detected by the orientation detection unit, and the designated area to be set when the orientation detection unit detects that the subject detection apparatus is horizontally positioned includes an area that is different from the designated area to be set when the orientation detection unit detects that the subject detection apparatus is vertically positioned.
14. The subject detection apparatus according to claim 10 , wherein the orientation detection unit is configured to detect an up-and-down direction of the subject detection apparatus in an orientation detection result obtained by the orientation detection unit, and the designated area is set according to the detected direction in the up-and-down direction of the subject detection apparatus.
15. The subject detection apparatus according to claim 10 , wherein if the subject is a human face area, the designated area is set according to a detection result obtained by the orientation detection unit.
16. The subject detection apparatus according to claim 10 , further comprising:
a shake detection unit configured to detect a shake amount of the subject detection apparatus,
wherein if the shake amount detected by the shake detection unit is smaller than a predetermined amount, the designated area is set without taking a detection result obtained by the orientation detection unit into consideration.
17. The subject detection apparatus according to claim 10 , wherein if the subject detected by the subject detection unit at a first zoom magnification is included in a second area of the image, the control unit is configured to control the zoom magnification to become a second zoom magnification in a telephoto direction, and
wherein the second area is set according to a detection result obtained by the orientation detection unit.
18. The subject detection apparatus according to claim 17 , wherein the control unit is configured to store a zoom magnification value set before starting the change to the first zoom magnification, and if the subject detected by the subject detection unit at the first zoom magnification is included in the second area of the image, the control unit controls the zoom magnification so as to become the stored zoom magnification.
19. A method for controlling a subject detection apparatus, comprising:
detecting a subject included in an image;
detecting an orientation of the subject detection apparatus; and
controlling a zoom magnification according to an area of the detected subject,
wherein, if the area of the detected subject enters a designated area of the image, the zoom magnification is controlled to become a zoom magnification in a wide angle direction, and
wherein the designated area is set according to an orientation detection result.
20. A non-transitory computer-readable storage medium storing a control program that causes a computer to execute a method for controlling a subject detection apparatus according to claim 19 .
21. A method for controlling a subject detection apparatus, comprising:
detecting a subject included in an image;
detecting an orientation of the subject detection apparatus; and
controlling a zoom magnification according to an area of the detected subject,
wherein if the area of the detected subject is included in a designated area of the image, the zoom magnification is controlled so as to become a zoom magnification in a telephoto direction, and
wherein the designated area is set according to an orientation detection result.
22. A non-transitory computer-readable storage medium that stores a control program that causes a computer to execute a method for controlling a subject detection apparatus according to claim 21 .