IMAGE PROCESSING APPARATUS AND METHOD FOR CONTROLLING THE SAME, AND IMAGE PICKUP APPARATUS
First Claim
Patent Images
1. An image processing apparatus comprising:
- a first detection unit adapted to detect an area of a first detection subject from an image;
a second detection unit adapted to detect, from an image, an area of a second detection subject that allows for an estimation of the area of the first detection subject;
a correction unit adapted to correct a location of the area of the first detection subject detected by the first detection unit;
a setting unit adapted to set an evaluation area based on the area of the first detection subject; and
a control unit adapted to perform at least one of a focus detection control, an exposure control, and a color control based on a signal of an image corresponding to the evaluation area,whereinthe correction unit corrects the location of the area of the first detection subject based on information about the area of the second detection subject corresponding to the area of the first detection subject detected by the first detection unit.
1 Assignment
0 Petitions
Accused Products
Abstract
At least either of a location and a size of a subject area that is detected from an image by a first detection unit is corrected based on information about an area corresponding to the subject area detected by the first detection unit, the area being included in an area that is detected from the image by a second detection unit and in which the subject area can be estimated. A particular subject area can be detected in an image with higher accuracy.
21 Citations
16 Claims
-
1. An image processing apparatus comprising:
-
a first detection unit adapted to detect an area of a first detection subject from an image; a second detection unit adapted to detect, from an image, an area of a second detection subject that allows for an estimation of the area of the first detection subject; a correction unit adapted to correct a location of the area of the first detection subject detected by the first detection unit; a setting unit adapted to set an evaluation area based on the area of the first detection subject; and a control unit adapted to perform at least one of a focus detection control, an exposure control, and a color control based on a signal of an image corresponding to the evaluation area, wherein the correction unit corrects the location of the area of the first detection subject based on information about the area of the second detection subject corresponding to the area of the first detection subject detected by the first detection unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
wherein the correction unit limits correction of the area of the first detection subject based on a detection result of the third detection unit.
-
-
6. The image processing apparatus according to claim 5, wherein
the correction unit, when the third detection unit detects that the first detection subject detected by the first detection unit faces front, limits correction of the area of the first detection subject. -
7. The image processing apparatus according to claim 1, wherein
the correction unit, when a difference in at least one of a size and a center location between the area of the first detection subject and the area of the second detection subject is larger than a predetermined value, limits a correction of the area of the first detection subject. -
8. The image processing apparatus according to claim 1, wherein
the first detection subject includes a human face, and the second detection subject includes a human body. -
9. The image processing apparatus according to claim 1, wherein
the setting unit sets a first evaluation area and a second evaluation area smaller than the first evaluation area, based on the area of the first detection subject, and the control unit performs the control based on a signal obtained from the first evaluation area and a signal obtained from the second evaluation area. -
10. The image processing apparatus according to claim 9, wherein
when the correction unit corrects the location of the area of the first detection subject, the setting unit sets the first evaluation area based on the area after the correction of the first detection subject, and sets the second evaluation area based on the area before the correction of the first detection subject. -
11. The image processing apparatus according to claim 9, wherein
the setting unit sets the second evaluation area to be included in the first evaluation area. -
12. The image processing apparatus according to claim 9, wherein
when the correction unit does not correct the location of the area of the first detection subject, the setting unit sets the second evaluation area based on the first evaluation area. -
13. The image processing apparatus according to claim 9, further comprising:
-
a fourth detection unit adapted to detect an orientation or an angle of the second detection subject detected by the second detection unit, wherein the setting unit sets the second evaluation area based additionally on a detection result of the fourth detection unit.
-
-
14. An image pickup apparatus comprising:
-
the image processing apparatus according to claim 1; and an image capture unit adapted to perform photoelectric conversion on an optical image of a subject to generate an image to be provided to the image capture unit.
-
-
15. A method for controlling an image processing apparatus, comprising:
-
a first detecting step of detecting an area of a first detection subject from an image; a second detecting step of detecting, from an image, an area of a second detection subject that allows for estimation of the area of the first detection subject; a correcting step of correcting a location of the area of the first detection subject detected in the first detecting step; a setting step of setting an evaluation area based on the area of the first detection subject; and a control step of performing at least one of a focus detection control, an exposure control, and a color control based on a signal of an image corresponding to the evaluation area, wherein in the correcting step, the area of the first detection subject is corrected based on information about the area of the second detection subject corresponding to the area of the first detection subject detected in the first detecting step. - View Dependent Claims (16)
-
Specification