In a singular part detection system (1), a singular part (13) having an arbitrary feature is extracted from a captured image (12) of a subject captured by an imaging unit (2) by a singular part extracting unit (3), a singular part image (17) with an arbitrary size is cut out from the captured image (12) by a singular part image cutting unit (4) such that the singular part (13) overlaps the center (C) of the singular part image (17), and a type of the singular part (13) is identified by an identification unit (5) using machine learning with the singular part image (17) as an input.
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