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    • 2. 发明授权
    • Device and method for detection, localization, and characterization of
inhomogeneities in turbid media
    • 用于检测,定位和表征混浊介质中不均匀性的装置和方法
    • US5752519A
    • 1998-05-19
    • US725239
    • 1996-10-04
    • David A. BenaronBoris Rubinsky
    • David A. BenaronBoris Rubinsky
    • A61B5/00A61B17/00A61B17/068A61B18/00A61B18/14G01N21/47A61B6/00
    • A61B5/6848A61B18/00A61B5/0075A61B5/0084A61B5/14553G01N21/4795A61B17/068A61B18/14A61B2017/00022A61B2017/00123A61B2017/00508A61B2017/00557A61B2560/0276A61B2562/0242A61B2562/08A61B5/0073
    • The present invention provides a detection or imaging device and method that measures an effect upon the path traveled by a radiative wave through a medium where scattering of the radiative wave is strong, and uses this measured path effect to detect, localize, or characterize inhomogeneities in the medium, as well as of the medium itself, over time or space. In this embodiment, a radiative source (43), temporally modulated or intensity quantitated, is emitted into the medium (47). A detector (48) records radiative effects detected after travel through said medium, and the detected signal is measured for a path effect (45). Based upon one or more of these path effects, such as the distance the latest arriving photons have traveled, a quantifiable parameter of the medium is determined (49). This parameter can be the location, distance, speed, or other characteristic of the medium or inhomogeneity. Measurement over space provides additional information as to spatial distribution; measurement over time provides information as to temporal changes in the medium. The device has application in medical and industrial imaging, detection, and localization of objects and other inhomogeneities, as well as characterization of the medium itself, in media which highly scatters radiative waves emitted into the medium.
    • 本发明提供了一种检测或成像装置和方法,其测量对辐射波通过辐射波散射强的介质对路径的影响,并使用该测量的路径效应来检测,定位或表征不均匀性 媒介以及媒体本身,随着时间或空间。 在该实施例中,将经时间调制或强度定量的辐射源(43)发射到介质(47)中。 检测器(48)记录在行进通过所述介质之后检测到的辐射效应,并且测量检测到的信号的路径效应(45)。 基于这些路径效应中的一个或多个,例如最近到达的光子已经行进的距离,确定介质的可量化参数(49)。 该参数可以是介质的位置,距离,速度或其他特性或不均匀性。 空间测量提供了关于空间分布的更多信息; 时间的测量提供关于介质中的时间变化的信息。 该装置在医疗和工业成像,物体和其他不均匀性的检测和定位以及介质本身的表征中的应用,在高度散射辐射到介质中的辐射波的介质中。
    • 10. 发明申请
    • Metabolism- or Biochemical-Based Anti-Spoofing Biometrics Devices, Systems, and Methods
    • 代谢或生物化学反欺骗生物特征的设备,系统和方法
    • US20080226137A1
    • 2008-09-18
    • US12049122
    • 2008-03-14
    • David A. BenaronIllian H. ParachikovMichael Fierro
    • David A. BenaronIllian H. ParachikovMichael Fierro
    • G06K9/00
    • G06K9/0012A61B5/0059A61B5/117A61B5/417G01R33/465
    • A biometric device for detecting biological tissue based upon ratiometric measurements of metabolic and/or biochemical intermediates is provided in which a radiation source (103) is electromagnetically coupled to a target region (125). A radiation sensor (155) receives emission signals (128) from the target region as a result of emitted radiation (121) interacting with the target region. A CPU (167) receives a signal from the sensor, and provides a biometric output signal based upon the presence of live, healthy tissue versus sham or dead tissue. Optionally, a conventional, non-metabolism, non-biochemical-based biometric sensor can be incorporated into the present invention, and the biometric output signal is then a result of both the metabolism- and/or biochemical based and non-metabolism non-biochemical-based biometric determinations. A method of performing this biometric analysis is also described.
    • 提供了一种用于基于代谢和/或生物化学中间体的比例测量来检测生物组织的生物测定装置,其中辐射源(103)电磁耦合到目标区域(125)。 由于与目标区域相互作用的发射辐射(121)的结果,辐射传感器(155)从目标区域接收发射信号(128)。 CPU(167)从传感器接收信号,并且基于存在的健康组织与假手术或死组织的存在来提供生物测定输出信号。 任选地,可以将常规的非代谢非生物化学生物测定传感器并入本发明,然后生物测定输出信号是代谢和/或生物化学和非代谢非生物化学的结果 的生物测定。 还描述了执行该生物特征分析的方法。