| 摘要 |
PROBLEM TO BE SOLVED: To reduce a measurement error even when a foreign matter exists in the vicinity of a surface of a biochip, and to recognaize the existence of the foreign matter to make reliability of a measured value of brightness determined quantitatively. SOLUTION: Light of a wavelength exciting a labeled phosphor is emitted to obtain a fluorescent image 101, a mask is prepared by a foreign matter area image 103 extracted from an image 102 of the foreign matter deposited on a measuring object provided by being irradiated by light of a wavelength not exciting the phosphor, and a fluorescent image 104 in which a foreign matter area is removed from the fluorescent image 101 is obtained by gaining logical product of the mask and the fluorescent image 101.
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