发明名称 |
Focus adjusting device and focus adjusting method |
摘要 |
A focus adjusting method for focusing a focus of a digital camera comprises an image signal converting step in which an imaging light entering an optical lens mechanism is converted into an image signal, an extracting step in which a high-frequency component of the image signal is selectively extracted, a signal generating step in which a luminance signal and a color difference signal are generated from the high-frequency component of the image signal selectively extracted, and a focus adjusting step in which a focusing position of the optical lens mechanism is adjusted using a high-frequency component of the luminance signal. According to the foregoing constitution, a focus adjustment can be realized with a high accuracy and at a high speed.
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申请公布号 |
US2005253954(A1) |
申请公布日期 |
2005.11.17 |
申请号 |
US20050127209 |
申请日期 |
2005.05.12 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
NAKASHIMA TOSHIYUKI;KOGISHI TOSHIYA;ARAKAWA KENJI;HATANO TOSHINOBU;KAJIWARA JUN |
分类号 |
G03B7/00;G02B7/28;G02B7/36;G03B13/36;H04N5/232;H04N101/00;(IPC1-7):H04N5/232 |
主分类号 |
G03B7/00 |
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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