Importance

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Abstract

In order to solve problems that it takes time to take an image due to scanning and that measurement of a movement of an eyeball becomes difficult or less accurate with a lapse of time, which are inherent in a scanning-type fundus image photographing apparatus, there is provided a control method for an ophthalmologic apparatus, including: acquiring a fundus image by scanning a photographing area of a fundus with measuring light; extracting a characteristic point from the acquired fundus image; setting, in the photographing area, a partial area containing the characteristic point; acquiring an image of the partial area by scanning the partial area with the measuring light; and detecting a movement of the fundus by executing template matching based on the characteristic point and the image of the partial area.

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First Claim