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METHOD AND DEVICE FOR VERIFICATION OF VALUABLE DOCUMENTS FOR THE AVAILABILITY OF NON-REGULARITY
METHOD AND DEVICE FOR VERIFICATION OF VALUABLE DOCUMENTS FOR THE AVAILABILITY OF NON-REGULARITY
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机译:验证非正则性有效性的有价值文件的方法和设备
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摘要
A means and method for checking a value document of at least one irregularity of at least one specified type, in which an ultrasound data record is captured which describes in locally resolved fashion at least one ultrasound property, a deviation data record is ascertained which describes in locally resolved fashion a deviation between the ultrasound data record and a model and is ascertained such that the deviation described thereby is minimal with respect to the model. The model comprises a model for the location dependence of the at least one ultrasound property of reference value documents of the specified value document type without irregularities of the at least one specified type, and using the deviation data record, it is checked whether an indication of an irregularity of the at least one type is present on the value document.
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