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    • 7. 发明申请
    • A METHOD AND DEVICE FOR IMAGING AN INTERIOR OF A TURBID MEDIUM
    • 一种用于成像涡轮介质内部的方法和装置
    • WO2007060602A2
    • 2007-05-31
    • PCT/IB2006/054349
    • 2006-11-21
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BAKKER, Levinus, P.'T HOOFT, GertVAN DER MARK, Martinus, B.VAN BEEK, Michael, C.
    • BAKKER, Levinus, P.'T HOOFT, GertVAN DER MARK, Martinus, B.VAN BEEK, Michael, C.
    • A61B5/00
    • A61B5/4312A61B5/0091
    • The invention relates to a method and device (1) for imaging an interior of a turbid medium (55). A turbid medium (55) inside a measurement volume (15) is irradiated from a plurality of source positions (25a) with light from a light source (5), and light emanating from the measurement volume (15) is detected from a plurality of detection positions (25b). An image of the interior of the turbid medium (55) is reconstructed from the detected light. In both the method and the device (1), detector signals can be amplified for each source position-detection position pair by a multi-gain amplification unit comprising an amplifier circuit (60). The amplification factor is selected from a number of possible amplification factors based on detected signal strength in the prior art. According to the invention, however, the method and device are adapted such that the amplification factor is selected for at least one source position-detection position pair on the basis of an estimate of expected electrical signal strength.
    • 本发明涉及一种用于对混浊介质(55)的内部进行成像的方法和设备(1)。 利用来自光源(5)的光从多个源位置(25a)照射测量体积(15)内的混浊介质(55),并且从多个测量体积(15)中检测从测量体积(15)发出的光 检测位置(25b)。 从检测到的光重建混浊介质(55)的内部的图像。 在该方法和装置(1)中,可以通过包括放大器电路(60)的多增益放大单元为每个源位置检测位置对放大检测器信号。 基于现有技术中的检测信号强度,从许多可能的放大因子中选择放大因子。 然而,根据本发明,该方法和装置被调整为使得基于预期电信号强度的估计为至少一个源位置检测位置对选择放大因子。
    • 8. 发明申请
    • A DEVICE FOR IMAGING AN INTERIOR OF A TURBID MEDIUM
    • 用于形成涡轮介质内部的装置
    • WO2007060571A1
    • 2007-05-31
    • PCT/IB2006/054226
    • 2006-11-13
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.BAKKER, Levinus, P.VAN BEEK, Michael, C.VAN DER MARK, Martinus, B.
    • BAKKER, Levinus, P.VAN BEEK, Michael, C.VAN DER MARK, Martinus, B.
    • A61B5/00G01N21/64
    • G01N21/4795A61B5/0091G01N21/6456G01N2021/1787G01N2021/6421
    • The invention relates to a device (1) for imaging an interior of a turbid medium (25). The device (1) may be used to accommodate a turbid medium (25) inside a measurement volume (20) and irradiate the turbid medium (25) with light from a light source (5), after which light emanating from the measurement volume (20) is detected and used to determine an image of the interior of the turbid medium (25). The device (1) is adapted such that additional means are introduced for irradiating the turbid medium (25) with light causing fluorescent emission in a contrast agent present in the turbid medium (25), for detecting the fluorescent emission in at least two spectral regions, and for calculating an image reconstruction for the at least two spectral regions detected. By detecting the fluorescent emission spectroscopically, that is as a function of wavelength, information can be obtained from which the concentration of a predetermined component present inside the turbid medium can be determined.
    • 本发明涉及一种用于对浑浊介质(25)的内部进行成像的装置(1)。 装置(1)可用于容纳测量体积(20)内部的混浊介质(25),并用来自光源(5)的光照射混浊介质(25),之后从测量体积 20)被检测并用于确定混浊介质(25)的内部的图像。 装置(1)适于使得附加装置被引入以用在浑浊介质(25)中存在的造影剂中引起荧光发射的光照射混浊介质,以检测至少两个光谱区域中的荧光发射 并且用于计算所检测的至少两个光谱区域的图像重建。 通过检测荧光发射光谱,即作为波长的函数,可以获得可以确定存在于混浊介质内的预定成分的浓度的信息。