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    • 2. 发明申请
    • COMPUTER VISION SYSTEM AND METHOD EMPLOYING ILLUMINATION INVARIANT NEURAL NETWORKS
    • 计算机视觉系统和使用照明不可逆神经网络的方法
    • WO2004053778A2
    • 2004-06-24
    • PCT/IB2003/005747
    • 2003-12-08
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILOMIN, VasanthGUTTA, SrinivasTRAJKOVIC, Miroslav
    • PHILOMIN, VasanthGUTTA, SrinivasTRAJKOVIC, Miroslav
    • G06K9/00
    • G06K9/6273
    • Objects are classified using a normalized cross correlation (NCC) measure to compare two images acquired under non-uniform illumination conditions. An input pattern is classified to assign a tentative classification label and value. The input pattern is assigned to an output node in the radial basis function network having the largest classification value. If the input pattern and an image associated with the node, referred to as a node image, both have uniform illumination, then the node image is accepted and the probability is set above a user specified threshold. If the test image or the node image are not uniform, then the node image is not accepted and the classification value is kept as the value assigned by the classifier. If both the test image and the node image are not uniform, then an NCC measure is used and the classification value is set as the NCC value.
    • 使用归一化互相关(NCC)测量对对象进行分类,以比较在不均匀照明条件下获取的两个图像。 输入模式被分类以分配暂定分类标签和值。 将输入模式分配给具有最大分类值的径向基函数网络中的输出节点。 如果输入模式和与节点相关联的图像(称为节点图像)都具有均匀的照明,则节点图像被接受,并且将概率设置在用户指定的阈值以上。 如果测试图像或节点图像不均匀,则不接受节点图像,并且将分类值保持为分类器分配的值。 如果测试图像和节点图像都不一致,则使用NCC测量,并将分类值设置为NCC值。
    • 5. 发明申请
    • SYSTEM AND METHOD FOR SELECTIVELY ACTIVATING BIOMETRIC SENSORS
    • 选择性激活生物量传感器的系统和方法
    • WO2004100084A1
    • 2004-11-18
    • PCT/IB2004/001500
    • 2004-05-06
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.GUTTA, SrinivasPHILOMIN, VasanthTRAJKOVIC, Miroslav
    • GUTTA, SrinivasPHILOMIN, VasanthTRAJKOVIC, Miroslav
    • G07C9/00
    • G07C9/00158G06F21/32G07C9/00166
    • A system and method is provided for selectively activating biometric sensors (102, 104, 106) to authenticate the identity of an individual while conserving system resources. A biometric system has at least two tiers of sensors, first (102) and second tier sensors (104, 106), where the first tier sensors (102) are characteristically less sophisticated and less expensive to operate than the second tier sensors (104, 106). One or more of the second tier sensors (104, 106) are activated only after a user's biometric is successfully or unsuccessfully verified by one of the first tier sensors (102). Alternatively, the second tier sensors (104, 106) are activated in response to a user requesting a particular level of service or in response to an environmental condition. Alternatively, only those sensors are turned on which are compatible with a user's biometric profile.
    • 提供了一种系统和方法,用于选择性地激活生物测定传感器(102,104,106)以在保护系统资源的同时认证个体的身份。 生物测定系统具有至少两层的传感器,第一层(102)和第二层传感器(104,106),其中第一层传感器(102)的性能不如第二层传感器(104,106)要复杂,成本更低, 106)。 在第一层传感器(102)之一成功或不成功地验证用户的生物特征之后,仅激活第二层传感器(104,106)中的一个或多个。 或者,第二层传感器(104,106)响应于用户请求特定服务水平或响应于环境条件而被激活。 或者,仅打开与用户的生物特征相​​容的传感器。