映像センタリング方法

Japanese Patent JP5570588

B2

The present invention relates to an image-centering method, and more particularly, to an image centering method comprising: a registration step of registering an inspection subject as a model image by photographing the inspection subject with an optical system with a first magnifying power and setting a position of an inspection region to be searched in a photographed image of the first magnifying power; a photographing step of photographing the inspection subject with an optical system with a second magnifying power higher than the first magnifying power according to a predetermined order to obtain a target image; a reduction step of reducing the target image obtained from the photographing step to the size of that of image of the first magnifying power to register the target image as an inspection image; a matching step of searching for the inspection image in the model image; and, when the inspection image is found through the matching step, a centering step of moving the optical system with the second magnifying power or the inspection subject to correspond to the position of the inspection region set in the registration step.

Yong Min Fan
ヒジェ Park
Chang ヨル イ
Chang Phon ヒョン

JP2012504574A

August 13, 2014

April 06, 2010

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S NU Precision Company Limited

G01N21/956; G01B11/00; G01B11/26; G06T1/00

Ueda Kunio
Takaharu Fujita
Miki Kawakami

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