PROBLEM TO BE SOLVED: To make it possible to automatically register a new reference mark when image recognition is performed by imaging a reference mark on a circuit board with a camera and existence of a part whose shape is closely resemble to the reference mark (hereinafter, referred to as "a closely resemble shape part ") in a photographed image makes it difficult to distinguish and recognize the both.;SOLUTION: A reference mark registration device for component mounting selects a combination pattern of a reference mark and a closely resemble shape part (a pattern made by grouping the reference mark and the closely resemble shape part) as a new reference mark and registers to a memory device 15 when existence of the reference mark and the closely resemble shape part in an image imaged with a camera 12 makes it difficult to distinguish and recognize both.;COPYRIGHT: (C)2012,JPO&INPIT
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