发明名称 |
Electronic camera and control program of same |
摘要 |
The invention relates to an electronic camera having self-detection function of foreign materials and a control program thereof. The electronic camera includes: an image sensor having an image pickup plane on an image plane of an optical system; a formation changing section changing a state of image formation of the optical system on the image pickup plane; and a control section driving and controlling the image sensor and formation changing section. The control section drives the formation changing section to set a plurality of states of image formation different from each other, and it drives the image sensor to obtain a plurality of images in each of the states and compares the plurality of images to find a part of the image which has not varied with a change in the state of image formation, and determines the found part as image of a foreign material. |
申请公布号 |
US8218039(B2) |
申请公布日期 |
2012.07.10 |
申请号 |
US201113064059 |
申请日期 |
2011.03.03 |
申请人 |
UCHIYAMA TAKAYUKI;NIKON CORPORATION |
发明人 |
UCHIYAMA TAKAYUKI |
分类号 |
H04N5/232;H04N9/64;H04N5/335;H04N101/00 |
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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