Imaging apparatus, focusing method, and computer-readable recording medium recording program
First Claim
Patent Images
1. An imaging apparatus, comprising:
- an imaging section;
a detecting section to detect an image area of a subject from an image imaged by the imaging section;
an area setting section to set one or a plurality of evaluation areas to calculate focusing evaluation values in the image area of the subject in response to detecting an image area by the detecting section;
a calculating section to calculate the focusing evaluation values with regard to the one or the plurality of evaluation areas set by the area setting section; and
a focusing section to be in focus based on a calculated result by the calculating section, whereina number of the one or the plurality of evaluation areas set by the area setting section is determined according to a size of the subject detected by the detecting section; and
the area setting section sets the one evaluation area when the size of the subject is equal to or less than a predetermined size, and sets the plurality of evaluation areas when the size of the subject is larger than the predetermined size.
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Abstract
An imaging apparatus, comprises: an imaging section; a detecting section to detect an image area of a subject from an image imaged by the imaging section; an area setting section to set one or a plurality of evaluation areas to calculate focusing evaluation values in the image area of the subject detected by the detecting section; a calculating section to calculate the focusing evaluation values with regard to the one or the plurality of evaluation areas set by the area setting section; and a focusing section to be in focus based on a calculated result by the calculating section.
21 Citations
15 Claims
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1. An imaging apparatus, comprising:
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an imaging section; a detecting section to detect an image area of a subject from an image imaged by the imaging section; an area setting section to set one or a plurality of evaluation areas to calculate focusing evaluation values in the image area of the subject in response to detecting an image area by the detecting section; a calculating section to calculate the focusing evaluation values with regard to the one or the plurality of evaluation areas set by the area setting section; and a focusing section to be in focus based on a calculated result by the calculating section, wherein a number of the one or the plurality of evaluation areas set by the area setting section is determined according to a size of the subject detected by the detecting section; and the area setting section sets the one evaluation area when the size of the subject is equal to or less than a predetermined size, and sets the plurality of evaluation areas when the size of the subject is larger than the predetermined size. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 15)
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13. A focusing method, comprising the steps of:
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detecting an image area of a subject from an image imaged by an imaging section of an imaging apparatus; setting one or a plurality of evaluation areas to calculate focusing evaluation values in the image area of the subject in response to detecting the image area of the subject; calculating the focusing evaluation values with regard to the one or the plurality of evaluation areas set at the step of setting; and performing focusing based on a calculated result at the step of calculating, wherein a number of the one or the plurality of evaluation areas is determined according to a size of the subject based on the detecting an image area; and setting the one evaluation area when the size of the subject is equal to or less than a predetermined size, and setting the plurality of evaluation areas when the size of the subject is larger than the predetermined size.
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14. A non-transitory computer-readable recording medium recording a program for enabling a computer equipped in an imaging apparatus to realize the functions as:
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a detecting section to detect an image area of a subject from an imaged image; an area setting section to set one or a plurality of evaluation areas to calculate focusing evaluation values in the image area of the subject in response to the detection section detecting the image area; a calculating section to calculate the focusing evaluation values with regard to the one or the plurality of evaluation areas set by the area setting section; and a focusing controlling section to be in focus based on a calculated result by the calculating section, wherein a number of the one or the plurality of evaluation areas set by the area setting section is determined according to a size of the subject detected by the detecting section; and the area setting section sets the one evaluation area when the size of the subject is equal to or less than a predetermined size, and sets the plurality of evaluation areas when the size of the subject is larger than the predetermined size.
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Specification