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    • 31. 发明申请
    • DIFFUSE OPTICAL TOMOGRAPHY WITH MARKERS CONTAINING FLUORESCENT MATERIAL
    • 含有荧光材料标记的DIFFUSE光学图像
    • WO2008059434A2
    • 2008-05-22
    • PCT/IB2007/054593
    • 2007-11-12
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHZIEGLER, AndyKOEHLER, ThomasNIELSEN, TimVAN DER MARK, Martinus, B.VAN BEEK, Michael, C.
    • ZIEGLER, AndyKOEHLER, ThomasNIELSEN, TimVAN DER MARK, Martinus, B.VAN BEEK, Michael, C.
    • A61B5/00G01J3/44
    • A61B5/4312A61B5/0091G01N21/4795G01N21/6456
    • The invention relates to a system, a medical image acquisition system, and a method for imaging an interior of a turbid medium (25). The invention also relates to a marker (60) for use in the method for imaging an interior of a turbid medium (25). The system, the medical image acquisition system, and the method may be used for obtaining an image of an interior of a turbid medium (25) by: accommodation of a turbid medium (25) inside a receiving volume (20); irradiation of the receiving volume (20) with light from a light source; detection of light emanating from the receiving volume (20) as a result of irradiating the receiving volume (20) with light from the light source through the use of a photodetector unit. The detected light is then used to reconstruct an image of an interior of the turbid medium (25). According to the invention, the system, the medical acquisition system, and the method are adapted such that during a measurement the receiving volume (20) comprises at least one marker (60) comprising a predetermined concentration of a chosen fluorescent agent. The light source is arranged for generating excitation light that causes fluorescent emission in the marker (60) and the photodetector is arranged to detect light emanating from the receiving volume (20) as a result of irradiating the receiving volume (20) with excitation light. The use of a marker (60) according to the invention enables obtaining information relating to the geometry of the turbid medium (25). If the turbid medium (25) comprises an unknown concentration of a second fluorescent agent, and the light source and the photodetector unit are arranged for causing fluorescence in the second fluorescent agent and detecting the resulting fluorescence light, respectively, the use of a marker (60) according to the invention enables calibration of the signal resulting from this fluorescence light.
    • 本发明涉及一种系统,医学图像采集系统和用于对浑浊介质(25)的内部进行成像的方法。 本发明还涉及一种用于对浑浊介质(25)的内部进行成像的方法中使用的标记(60)。 该系统,医学图像采集系统和该方法可以用于通过以下方式获得浑浊介质的内部的图像:通过在接收容积(20)内容纳混浊介质(25); 用来自光源的光照射接收体积(20); 通过使用光电检测器单元对来自光源的光照射接收体积(20)的结果来检测从接收体积(20)发出的光。 然后使用检测到的光来重建混浊介质(25)的内部的图像。 根据本发明,适配系统,医疗采集系统和方法,使得在测量期间,接收体积(20)包括至少一个包含预定浓度的所选荧光剂的标记物(60)。 光源被布置成产生在标记(60)中引起荧光发射的激发光,并且光电检测器被布置成通过用激发光照射接收体积(20)来检测从接收体积(20)发出的光。 使用根据本发明的标记(60)能够获得与混浊介质(25)的几何形状有关的信息。 如果混浊介质(25)包含未知浓度的第二荧光剂,并且将光源和光检测器单元布置成在第二荧光剂中引起荧光并分别检测所得到的荧光,则使用标记物 60)根据本发明可以校准由该荧光产生的信号。
    • 36. 发明申请
    • A METHOD OF, SYSTEM FOR, AND MEDICAL IMAGE ACQUISITION SYSTEM FOR IMAGING AN INTERIOR OF A TURBID MEDIUM TAKING INTO ACCOUNT THE GEOMETRY OF THE TURBID MEDIUM
    • 用于形成涡轮介质的内部的系统和用于摄像机的医疗图像采集系统的方法,用于涡轮介质的几何
    • WO2007060598A3
    • 2007-09-07
    • PCT/IB2006054341
    • 2006-11-20
    • KONINKL PHILIPS ELECTRONICS NVVAN DER MARK MARTINUS BVAN BEEK MICHAEL CBAKKER LEVINUS P
    • VAN DER MARK MARTINUS BVAN BEEK MICHAEL CBAKKER LEVINUS P
    • G01N21/49A61B5/00
    • G01N21/4795G01N2021/1787G01N2021/4766G01N2021/6439
    • The invention relates to a method of imaging an interior of a turbid medium (45) comprising the following steps: accommodation of the turbid medium (45) inside a receiving volume; coupling transmission input light (65) from a transmission light source into the receiving volume, with said transmission input light (65) being chosen such that it is capable of propagating through the turbid medium (45); detection of transmission output light emanating from the receiving volume as a result of coupling transmission input light from the light source into the receiving volume through use of a transmission photodetector unit. The invention also relates to a system for imaging an interior of a turbid medium (45) and to a medical image acquisition system both using the method. The method, system, and medical image acquisition system are adapted such that an improved way of obtaining data relating to the exterior of the turbid medium (45) is realized. The object of the invention is realized in that the method further comprises the following steps: - coupling geometry input light (70, 75, 80) from a geometry light source into the receiving volume, with the receiving volume comprising the turbid medium (45) and with the combination of the geometry input light (70, 75, 80) and the interface (60) being chosen for creating a contrast between the turbid medium (45) and its surroundings; detection of the contrast (60) between the turbid medium (45) and its surroundings through use of a contrast photodetector unit; reconstructing an image of an interior of the turbid medium (45) using a the detected contrast (60). The system for imaging an interior of a turbid medium (45) and the medical image acquisition device are adapted to further comprise a geometry light source and a contrast photodetector unit.
    • 本发明涉及一种对混浊介质(45)内部进行成像的方法,包括以下步骤:在接收容积内容纳混浊介质(45); 将透射输入光(65)从透射光源耦合到接收体积中,所述透射输入光(65)被选择为使得其能够传播通过混浊介质(45); 通过使用传输光电检测器单元将从光源的输入光耦合到接收体积中的结果,检测从接收体积发出的透射输出光。 本发明还涉及一种用于使浑浊介质(45)的内部成像和使用该方法的医学图像采集系统的成像系统。 调整方法,系统和医学图像采集系统,从而实现获得与混浊介质(45)的外部相关的数据的改进方式。 本发明的目的是通过该方法进一步包括以下步骤:将几何输入光(70,75,80)从几何光源耦合到接收体积中,其中接收体积包括混浊介质(45) 并且选择所述几何输入光(70,75,80)和所述界面(60)的组合以在所述混浊介质(45)及其周围环境之间产生对比度; 通过使用对比度光电检测器单元检测混浊介质(45)与其周围环境之间的对比度(60); 使用检测到的对比度(60)重建混浊介质(45)的内部的图像。 用于对浑浊介质(45)和医学图像采集装置的内部成像的系统适于进一步包括几何光源和对比度光电检测器单元。
    • 40. 发明申请
    • OPTICAL DATA STORAGE SYSTEM AND METHOD OF OPTICAL RECORDING AND/OR READING
    • 光学数据存储系统和光学记录和/或读取方法
    • WO2005104114A1
    • 2005-11-03
    • PCT/IB2005/051244
    • 2005-04-15
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN DER MARK, Martinus, B.ZIJP, Ferry
    • VAN DER MARK, Martinus, B.ZIJP, Ferry
    • G11B7/24
    • G11B7/1374G11B7/0908G11B7/1387G11B2007/13727
    • An optical data storage system for recording and/or reading, using a radiation beam having a wavelength X is described. The radiation beam is focused onto a data storage layer of an optical data storage medium. The medium has a cover layer that is transparent to the focused radiation beam. The cover layer has a thickness h smaller than 5 µm. A cover layer with thickness variation of substantially less than the focal depth, i.e. 50 nm, eliminates the need of dynamic focus control of the objective which is otherwise required in addition to the gap servo. Further a method of optical recording is described using such an optical data storage system by which a static focus control and spherical aberration correction to accommodate medium-to-medium variance is achieved. The static focus control can be realised by optimising the modulation depth of a known signal, e.g. from a lead-in track.
    • 描述了使用具有波长X的辐射束进行记录和/或读取的光学数据存储系统。 辐射束被聚焦到光学数据存储介质的数据存储层上。 介质具有对聚焦辐射束透明的覆盖层。 覆盖层的厚度h小于5μm。 具有基本上小于焦深(即50nm)的厚度变化的覆盖层消除了除了间隙伺服以外另外需要的物镜的动态聚焦控制的需要。 此外,使用这样的光学数据存储系统来描述光学记录的方法,通过该光学数据存储系统实现了适应中等到中等方差的静态聚焦控制和球面像差校正。 静态聚焦控制可以通过优化已知信号的调制深度来实现,例如, 从导入轨道。