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    • 1. 发明申请
    • PIN SERVICING
    • PIN服务
    • WO2007096590A1
    • 2007-08-30
    • PCT/GB2007/000560
    • 2007-02-19
    • BARCLAYS BANK PLCTAYLOR, David
    • TAYLOR, David
    • G07F7/10G06F21/00
    • G06Q20/341G06F21/77G06Q20/355G07F7/1008G07F7/1016
    • A smart card (1) interfaces with a smart card reader (2) to generate an authentication message (PSRQ), which is sent to a PIN servicing centre (5, 6). If the authentication message (PSRQ) is validated by the PIN servicing centre (5, 6), a validation response message (PSRS) is sent back to the user (3). The user (3) enters the validation response message (PSRS) on the reader (2), which authenticates the validation response message (PSRS) with the smart card (1); the PIN servicing function may then be performed. The smart card cryptographic messages are generated internally and solely by the smart card (1) - the reader (2) acts merely as an input mechanism into the smart card (1) or as an output mechanism from the smart card (1) to the display (10). The reader (2), therefore, does not need to contain any customer information or be personalised by the card issuer.
    • 智能卡(1)与智能卡读卡器(2)接口以产生认证消息(PSRQ),其被发送到PIN服务中心(5,6)。 如果验证消息(PSRQ)由PIN服务中心(5,6)验证,则将验证响应消息(PSRS)发回给用户(3)。 用户(3)在读取器(2)上输入验证响应消息(PSRS),该认证响应消息用智能卡(1)认证验证响应消息(PSRS); 然后可以执行PIN维修功能。 智能卡密码消息是由智能卡(1)在内部产生的,读写器(2)仅作为智能卡(1)中的输入机制,或作为从智能卡(1)到 显示(10)。 因此,阅读器(2)不需要包含任何客户信息或由发卡机构个性化。
    • 4. 发明申请
    • QUANTIFICATION OF CORONARY ARTERY CALCIFICATION
    • 冠状动脉计算的量化
    • WO2006008431A1
    • 2006-01-26
    • PCT/GB2004/004479
    • 2004-10-22
    • MEDICSIGHT PLCDEHMESHKI, Jamshid
    • DEHMESHKI, Jamshid
    • G06T7/00
    • G06T7/0012A61B6/583G06T2207/30048G06T2207/30101
    • Coronary artery calcification is quantified based on a computed tomography (CT) scan image. A calcified region is identified. The partial calcium content of each pixel in the calcified region can be estimated. For example, expectation maximization of a statistical model of the calcified and background material can be used to estimate the partial calcium content of the pixels. The estimated partial calcium content can be used to generate a map of the partial calcium content in the calcified region. The mass of calcium in the calcified region can be determined based on the map. According to an embodiment, techniques of quantifying calcification that are disclosed herein provide lower inter-scan variation than conventional techniques.
    • 基于计算机断层扫描(CT)扫描图像对冠状动脉钙化进行量化。 确定钙化区域。 可以估计钙化区域中每个像素的部分钙含量。 例如,钙化和背景材料的统计模型的期望最大化可以用于估计像素的部分钙含量。 估计的部分钙含量可用于产生钙化区域中部分钙含量的图。 钙化区域中的钙质量可以基于该图来确定。 根据实施例,本文公开的量化钙化的技术提供比常规技术更低的扫描间变化。