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    • 4. 发明授权
    • Method and device for recognizing a coin by using the embossed pattern thereof
    • 通过使用其压花图案识别硬币的方法和装置
    • US08150139B2
    • 2012-04-03
    • US11917191
    • 2006-06-14
    • Robert CouronneAndreas KuleschowKlaus Spinnler
    • Robert CouronneAndreas KuleschowKlaus Spinnler
    • G06K9/00
    • G07D5/005
    • The invention relates to a method and device for recognizing a coin by using the embossed pattern characteristics thereof. For this purpose, the inventive method comprises in spreading the characteristics of the picture, in reducing said characteristics by reducing said picture and in transforming it by polar transformation, in comparing the transformed picture with a plurality of reference patterns according to a first simplified criterion, in creating a list of the reference patterns, in sorting them according to the similarity thereof with the transformed picture and in comparing the transformed picture with the reference patterns contained in the list according to the sorting thereof upon a second exact criterion.
    • 本发明涉及一种通过使用其压印图案特征来识别硬币的方法和装置。 为此,本发明的方法包括:通过根据第一简化标准将变换图像与多个参考图案进行比较,通过减少所述图像并通过极坐标变换来减小图像的特性来降低所述特征, 在创建参考图案的列表时,根据其与变换的图像的相似度对它们进行排序,并且根据第二精确标准根据其排序将变换的图像与列表中包含的参考图案进行比较。