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    • 12. 发明授权
    • System and method for implementing a context based payment system
    • 用于实现基于上下文的支付系统的系统和方法
    • US08688525B2
    • 2014-04-01
    • US13334503
    • 2011-12-22
    • Tor Björn Minde
    • Tor Björn Minde
    • G06Q30/06
    • G06Q30/06G06Q20/322G06Q20/381G06Q20/387G06Q40/04
    • Disclosed herein is a context based payment system. Electronic currency or coupons can be made dependent on context, and the context can be one of location or geography, time, date, distance, sound, or other devices. The value of the currency exists only if a pre-condition is fulfilled. For example, if the currency is location dependent, the value only exists in a defined area (currency value area). The goods or the service in the value-system are also context dependent, that is, they can only be sold or offered in a defined area (product value area). Accordingly, if the product value area and the currency value area overlap, a purchase and payment can be made.
    • 这里公开了一种基于情境的支付系统。 电子货币或优惠券可以取决于上下文,上下文可以是位置或地理,时间,日期,距离,声音或其他设备之一。 仅当满足前提条件时,货币的价值才会存在。 例如,如果货币是依赖于位置的,则该值仅存在于定义的区域(货币值区域)中。 价值体系中的货物或服务也是依赖于上下文的,即它们只能在定义的区域(产品价值区域)中出售或提供。 因此,如果产品价值区域和货币价值区域重叠,则可以进行购买和支付。
    • 15. 发明授权
    • Distance and distortion estimation method and apparatus in channel optimized vector quantization
    • 通道优化矢量量化中的距离和失真估计方法及装置
    • US06321193B1
    • 2001-11-20
    • US09238386
    • 1999-01-27
    • Johan NyströmTomas SvenssonRoar HagenTor Björn Minde
    • Johan NyströmTomas SvenssonRoar HagenTor Björn Minde
    • G10L1100
    • H03M7/3082
    • A channel optimized vector quantization apparatus includes a device for weighting a sample vector x by a weighting matrix A and a device for weighting a set of code book vectors ĉr by a weighting matrix B. Device form a set of distance measures {dw(Ax,Bĉr)} representing the distance between the weighted sample vector Ax and each weighted code book vector Bĉr. Other device form a set of distortion measures {&agr;i(x)} by multiplying each distance measure by a channel transition probability Pr|i that an index r has been received at a decoder when an index i has been sent from an encoder and adding together these multiplied distance measures for each possible index r. Finally device determine an index imin corresponding to the smallest distortion measure &agr;i(x) and represents the sample vector by this index imin.
    • 信道优化矢量量化装置包括用于通过加权矩阵A对采样矢量x进行加权的装置,以及用于通过加权矩阵B对一组码本向量ĉr进行加权的装置。装置形成一组距离度量{dw(Ax, Bĉr)}表示加权采样矢量Ax与每个加权码本向量Bĉr之间的距离。 其他设备通过将每个距离测量乘以信道转换概率Pr | i来形成一组失真度量{alphai(x)},当索引i已经从编码器发送并且相加在一起时,在解码器处已经接收到索引r 对于每个可能的索引r,这些相乘的距离度量。 最后,设备确定对应于最小失真度量α(x)的索引值,并通过该索引imin表示样本向量。