发明名称 |
Apparatus, method, and program product for autofocus |
摘要 |
An exemplary embodiment of the present invention is an autofocus method that includes moving a focus lens according to an image signal generated from an image of a subject formed by an imaging optical system with a focus lens, obtaining a focus contrast of each of multiple image signals generated in a case of moving a position of the focus lens; and determining a moving direction of the focus lens according to the multiple obtained focus contrasts in response to a focus instruction.
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申请公布号 |
US2011050983(A1) |
申请公布日期 |
2011.03.03 |
申请号 |
US20100801653 |
申请日期 |
2010.06.18 |
申请人 |
NEC ELECTRONICS CORPORATION |
发明人 |
TAKEDA HIROMI;OHTSUKI TAKESHI |
分类号 |
H04N5/232;G03B13/36 |
主分类号 |
H04N5/232 |
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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