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    • 4. 发明申请
    • METHOD AND SYSTEM FOR CORRECTION OF FLUOROSCOPE IMAGE DISTORTION
    • 用于校正荧光图像失真的方法和系统
    • US20110116693A1
    • 2011-05-19
    • US13014579
    • 2011-01-26
    • Dun Alex LiJoseph Casey CragerPeter KelleyAndrey Litvin
    • Dun Alex LiJoseph Casey CragerPeter KelleyAndrey Litvin
    • G06K9/00
    • H01J47/001Y10S430/168
    • Certain embodiments of the present invention provide for a system and method for modeling S-distortion in an image intensifier. In an embodiment, the method may include identifying a reference coordinate on an input screen of the image intensifier. The method also includes computing a set of charged particle velocity vectors. The method also includes computing a set of magnetic field vectors. The method also includes computing the force exerted on the charged particle in an image intensifier. Certain embodiments of the present invention include an iterative method for calibrating an image acquisition system with an analytic S-distortion model. In an embodiment, the method may include comparing the difference between the measured fiducial shadow positions and the model fiducial positions with a threshold value. If the difference is less than the threshold value, the optical distortion parameters are used for linearizing the set of acquired images.
    • 本发明的某些实施例提供了用于对图像增强器中的S失真进行建模的系统和方法。 在一个实施例中,该方法可以包括识别图像增强器的输入屏幕上的参考坐标。 该方法还包括计算一组带电粒子速度矢量。 该方法还包括计算一组磁场矢量。 该方法还包括计算在图像增强器中施加在带电粒子上的力。 本发明的某些实施例包括用分析S失真模型校准图像采集系统的迭代方法。 在一个实施例中,该方法可以包括将所测量的基准阴影位置和模型基准位置之间的差与阈值进行比较。 如果差值小于阈值,则光学失真参数用于线性化所获取的图像集合。
    • 6. 发明授权
    • Variable spacing inductance coil apparatus and method
    • 可变间距电感线圈装置及方法
    • US07176840B1
    • 2007-02-13
    • US10907640
    • 2005-04-08
    • Michael Peter Kelley
    • Michael Peter Kelley
    • H01Q9/00H01Q1/36
    • H01Q9/16
    • A variable inductance electrical device is an electrical conductor arranged in a flexible helical coil with a multiplicity of windings connected to a traveler plate and a fixed plate coaxially arranged a distance from the traveler plate. The conductor is arranged in the space between the traveler plate and the fixed plate such that moving the traveler plate away from the fixed plate moves the conductor coils apart and moving the traveler plate towards the fixed plate moves the conductor coils closer together. The inductance of the electrical coil varies inversely with the length of the coil, and thus varies with the spacing of the coils.
    • 可变电感电气装置是布置在柔性螺旋线圈中的电导体,其具有连接到行进板的多个绕组和与行进板同轴布置一定距离的固定板。 导体布置在滑板和固定板之间的空间中,使得移动板离开固定板,使导体线圈分开,使得滑板朝向固定板移动,导体线圈更靠近在一起。 电线圈的电感与线圈的长度成反比,因此随着线圈的间距而变化。
    • 10. 发明授权
    • Identification and security using biometric measurements
    • 使用生物特征测量的识别和安全性
    • US5991408A
    • 1999-11-23
    • US857642
    • 1997-05-16
    • Peter Kelley PearsonThomas Edward RowleyJimmy Ray Upton
    • Peter Kelley PearsonThomas Edward RowleyJimmy Ray Upton
    • G06T7/00G06F21/00H04L9/08H04L9/32H04L9/00
    • G06F21/32H04L9/3218H04L9/3231H04L2209/805
    • The present invention makes it possible for a user to have a security key created from one or more biometric elements of the user, such as a fingerprint. For example, a biometric feature or combination of biometric features of the user can be used to create an instance of a problem which can only be solved by data inherent in the biometric feature or combination of biometric features. The user can supply the data to solve the problem by inputting, through an appropriate input device, an image, or other representation of the biometric elements from which the data that will solve the instance of the problem is derived. If problem is solved, either completely or partially, using the derived data then the identity of the user can either be verified or ascertained. the solution can then be used for other purposes such as the generation of a cryptographic key.
    • 本发明使得用户可以具有从诸如指纹的用户的一个或多个生物特征元素创建的安全密钥。 例如,可以使用用户的生物特征或生物测定特征的组合来创建问题的实例,其只能通过生物特征或生物特征组合的固有数据来解决。 用户可以通过适当的输入设备输入图像或生物特征元素的其他表示来提供数据来解决问题,生物特征元素将从中导出解决问题实例的数据。 如果问题被完全或部分地解决,则使用导出的数据,则可以验证或确定用户的身份。 该解决方案然后可以用于其它目的,例如生成加密密钥。