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    • 2. 发明授权
    • Method and apparatus for currency discrimination
    • 货币歧视的方法和装置
    • US07590274B2
    • 2009-09-15
    • US11403460
    • 2006-04-13
    • Donald E. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • Donald E. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • G06K9/00
    • B65H3/063B65H2301/541B65H2557/514B65H2701/1912G06Q20/18G07D7/12G07D7/1205G07D7/121G07D7/162G07D7/20G07D7/205G07D11/0084G07F7/04G07F19/20
    • An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill along one of its dimensions. A series of detected reflectance signals are obtained by sampling and digitally processing, under microprocessor control, the reflected light at a plurality of predefined sample points as a currency bill is moved across an illuminated strip with a preselected dimension parallel to the direction of transport of the bill. The sample data is subjected to digital processing, including a normalizing process, whereby the reflectance data represents a characteristic pattern that is unique for a given bill denomination and incorporates sufficient distinguishing features between characteristic patterns for discriminating between different currency denominations. A plurality of master characteristic patterns are generated and stored using original bills for each denomination of currency to be detected. The pattern generated by scanning a bill under test and processing the data samples is compared with each of the prestored master patterns to generate, for each comparison, a correlation number representing the extent of similarity between corresponding ones of the plurality of data samples for the compared patterns. Denomination identification is based on designating the scanned bill as belonging to the denomination corresponding to the stored master pattern for which the correlation number resulting from pattern comparison is determined to be the highest, subject to a bi-level threshold of correlation.
    • 用于区分不同面额的钞票的改进方法和装置使用光学感测和相关技术,其基于通过沿其尺寸之一照明和扫描纸币而获得的纸币反射率特性的感测。 通过在微处理器控制下对多个预定义采样点的反射光进行采样和数字处理来获得一系列检测到的反射信号,这是因为货币票据沿着与所选择的尺寸平行的预定尺寸的照明条带移动 法案。 对样本数据进行数字处理,包括归一化处理,由此反射率数据表示对于给定的纸币面额是唯一的特征图案,并且在用于区别不同货币面值之间的特征图案之间具有足够的区别特征。 使用要检测的货币种类的原始票据来生成和存储多个主特征图案。 将通过扫描被检查的钞票和处理数据样本产生的图案与每个预先存储的主图案进行比较,以针对每个比较生成表示所比较的多个数据样本中的相应数据样本之间的相似程度的相关数 模式。 面额识别基于将被扫描的票据指定为属于与由存储的主模式相对应的面额的面额,由模式比较产生的相关数被确定为最高,受制于相关的双层门槛。
    • 4. 发明授权
    • Method and apparatus for currency discrimination and counting
    • 货币歧视和计数的方法和装置
    • US6073744A
    • 2000-06-13
    • US65256
    • 1998-04-23
    • Donald R. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • Donald R. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • G07D3/00B65H3/06G06Q20/18G06T1/00G06T7/00G07D7/00G07D7/04G07D7/12G07D7/16G07D7/20G07D11/00G07F7/04G07F19/00
    • G07D7/128B65H3/063G06Q20/18G07D11/0003G07D11/0084G07D7/00G07D7/04G07D7/12G07D7/122G07D7/16G07D7/162G07D7/20G07F19/20G07F7/04B65H2301/541B65H2557/514B65H2701/1912
    • An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill along its narrow dimension. A series of detected reflectance signals are obtained by sampling and digitally processing, under microprocessor control, the reflected light at a plurality of predefined sample points as a currency bill is moved across an illuminated strip with its narrow dimension parallel to the direction of transport of the bill. The sample data is subjected to digital processing, including a formalizing process, whereby the reflectance data represents a characteristic pattern that is unique for a given bill denomination and incorporates sufficient distinguishing features between characteristic patterns for discriminating between different currency denominations. A plurality of master characteristic patterns are generated and stored using original bills for each denomination of currency to be detected. The pattern generated by scanning a bill under test and processing the data samples is compared with each of the prestored master patterns to generate, for each comparison, a correlation number representing the extent of similarity between corresponding ones of the plurality of data samples for the compared patterns. Denomination identification is based on designating the scanned bill as belonging to the denomination corresponding to the stored master pattern for which the correlation number resulting from pattern comparison is determined to be the highest, subject to a bi-level threshold of correlation.
    • 用于区分不同面额的钞票的改进方法和装置使用基于通过沿着其窄尺寸照明和扫描纸币而获得的纸币反射特性的感测的光学感测和相关技术。 通过在微处理器控制下对多个预定义采样点的反射光进行采样和数字处理来获得一系列检测到的反射信号,这是因为货币票据跨过照明条带,其狭窄尺寸平行于运输方向 法案。 对样本数据进行数字处理,包括形式化处理,由此反射率数据表示对于给定的纸币面额是唯一的特征图案,并且在用于区别不同货币面值之间的特征图案之间包含足够的区别特征。 使用要检测的货币种类的原始票据来生成和存储多个主特征图案。 将通过扫描被检查的钞票和处理数据样本产生的图案与每个预先存储的主图案进行比较,以针对每个比较生成表示所比较的多个数据样本中的相应数据样本之间的相似程度的相关数 模式。 面额识别基于将被扫描的票据指定为属于与由存储的主模式相对应的面额的面额,由模式比较产生的相关数被确定为最高,受制于相关的双层门槛。
    • 5. 发明授权
    • Method and apparatus for currency discrimination
    • 货币歧视的方法和装置
    • US5751840A
    • 1998-05-12
    • US502676
    • 1995-07-14
    • Donald E. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • Donald E. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • B65H3/06G06Q20/18G07D7/00G07D7/04G07D7/12G07D7/16G07D7/20G07D11/00G07F7/04G07F19/00G06K9/00
    • G07D7/128B65H3/063G06Q20/18G07D11/0084G07D7/00G07D7/04G07D7/12G07D7/122G07D7/16G07D7/162G07D7/20G07F19/20G07F7/04B65H2301/541B65H2557/514B65H2701/1912
    • An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill along its wide dimension. A series of detected reflectance signals are obtained by sampling and digitally processing, under microprocessor control, the reflected light at a plurality of predefined sample points as a currency bill is moved across an illuminated strip with its wide dimension parallel to the direction of transport of the bill. The sample data is subjected to digital processing, including a normalizing process, whereby the reflectance data represents a characteristic pattern that is unique for a given bill denomination and incorporates sufficient distinguishing features between characteristic patterns for discriminating between different currency denominations. A plurality of master characteristic patterns are generated and stored using original bills for each denomination of currency to be detected. The pattern generated by scanning a bill under test and processing the data samples is compared with each of the prestored master patterns to generate, for each comparison, a correlation number representing the extent of similarity between corresponding ones of the plurality of data samples for the compared patterns. Denomination identification is based on designating the scanned bill as belonging to the denomination corresponding to the stored master pattern for which the correlation number resulting from pattern comparison is determined to be the highest, subject to a bi-level threshold of correlation.
    • 用于区分不同面额的钞票的改进方法和装置使用基于通过沿着其宽度尺度照明和扫描纸币而获得的纸币反射特性的感测的光学感测和相关技术。 通过在微处理器控制下对多个预定采样点的反射光进行采样和数字处理来获得一系列检测到的反射信号,这是因为货币钞票被移动穿过照明条带,其宽度尺寸平行于 法案。 对样本数据进行数字处理,包括归一化处理,由此反射率数据表示对于给定的纸币面额是唯一的特征图案,并且在用于区别不同货币面值之间的特征图案之间具有足够的区别特征。 使用要检测的货币种类的原始票据来生成和存储多个主特征图案。 将通过扫描被检查的钞票和处理数据样本产生的图案与每个预先存储的主图案进行比较,以针对每个比较生成表示所比较的多个数据样本中的相应数据样本之间的相似程度的相关数 模式。 面额识别基于将被扫描的票据指定为属于与由存储的主模式相对应的面额的面额,由模式比较产生的相关数被确定为最高,受制于相关的双层门槛。
    • 9. 发明授权
    • Method and apparatus for currency discrimination and counting
    • 货币歧视和计数的方法和装置
    • US5295196A
    • 1994-03-15
    • US885648
    • 1992-05-19
    • Donald E. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • Donald E. RatermanBradford T. GravesLars R. StrommeAaron M. Bauch
    • G07D3/00B65H3/06G06Q20/18G06T1/00G06T7/00G07D7/00G07D7/04G07D7/12G07D7/16G07D7/20G07D11/00G07F7/04G07F19/00G06K9/00
    • G07D7/128B65H3/063G06Q20/18G07D11/0003G07D11/0084G07D7/00G07D7/04G07D7/12G07D7/122G07D7/16G07D7/162G07D7/20G07F19/20G07F7/04B65H2301/541B65H2557/514B65H2701/1912
    • An improved method and apparatus for discriminating between currency bills of different denominations uses an optical sensing and correlation technique based on the sensing of bill reflectance characteristics obtained by illuminating and scanning a bill along its narrow dimension. A series of detected reflectance signals are obtained by sampling and digitally processing, under microprocessor control, the reflected light at a plurality of predefined sample points as a currency bill is moved across an illuminated strip with its narrow dimension parallel to the direction of transport of the bill. The sample data is subjected to digital processing, including a normalizing process, whereby the reflectance data represents a characteristic pattern that is unique for a given bill denomination and incorporates sufficient distinguishing features between characteristic patterns for discriminating between different currency denominations. A plurality of master characteristic patterns are generated and stored using original bills for each denomination of currency to be detected. The pattern generated by scanning a bill under test and processing the data samples is compared with each of the prestored master patterns to generate, for each comparison, a correlation number representing the extent of similarity between corresponding ones of the plurality of data samples for the compared patterns. Denomination identification is based on designating the scanned bill as belonging to the denomination corresponding to the stored master pattern for which the correlation number resulting from pattern comparison is determined to be the highest, subject to a bi-level threshold of correlation.
    • 用于区分不同面额的钞票的改进方法和装置使用基于通过沿着其窄尺寸照明和扫描纸币而获得的纸币反射特性的感测的光学感测和相关技术。 通过在微处理器控制下对多个预定义采样点的反射光进行采样和数字处理来获得一系列检测到的反射信号,这是因为货币票据跨过照明条带,其狭窄尺寸平行于运输方向 法案。 对样本数据进行数字处理,包括归一化处理,由此反射率数据表示对于给定的纸币面额是唯一的特征图案,并且在用于区别不同货币面值之间的特征图案之间具有足够的区别特征。 使用要检测的货币种类的原始票据来生成和存储多个主特征图案。 将通过扫描被检查的钞票和处理数据样本产生的图案与每个预先存储的主图案进行比较,以针对每个比较生成表示所比较的多个数据样本中的相应数据样本之间的相似程度的相关数 模式。 面额识别基于将被扫描的票据指定为属于与由存储的主模式相对应的面额的面额,由模式比较产生的相关数被确定为最高,受制于相关的双层门槛。