发明名称 |
IMAGING APPARATUS AND ITS CONTROL METHOD, PROGRAM AND STORAGE MEDIUM |
摘要 |
<p>PROBLEM TO BE SOLVED: To achieve a focus detection in which the time required for focusing is shortened even for a subject whose contract changes when focusing and when blurring.SOLUTION: An imaging apparatus for performing a focus adjustment on the basis of an imaging signal obtained by scanning a focus lens along an optic axis of a photographic optical system includes: an imaging section for capturing a subject image and generating the imaging signal; an evaluation value generation section for generating contrast information which is the information of a contrast in the imaging signal, and a contrast evaluation value indicating an amount of a high frequency component in the imaging signal; a focus adjustment section for performing the focus adjustment on the basis of the contrast evaluation value obtained by scanning the focus lens; a determination section for determining a focus degree on the basis of the contrast information; and a control section for controlling the scanning of the focus lens on the basis of the determination by the determination section.</p> |
申请公布号 |
JP2015040922(A) |
申请公布日期 |
2015.03.02 |
申请号 |
JP20130170824 |
申请日期 |
2013.08.20 |
申请人 |
CANON INC |
发明人 |
UEDA AKIHIKO |
分类号 |
G02B7/36;G03B13/36;G03B15/00;H04N5/232 |
主分类号 |
G02B7/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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