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    • 1. 发明授权
    • Apparatus and method for processing of digital images
    • 数字图像处理装置及方法
    • US06760401B2
    • 2004-07-06
    • US10215692
    • 2002-08-09
    • Georg SchmitzTil AachPeter Maria Johannes RongenHerman Stegehuis
    • Georg SchmitzTil AachPeter Maria Johannes RongenHerman Stegehuis
    • G01N23083
    • G06T5/50G06T7/0012G06T2207/30101
    • This invention relates to an apparatus and method for improved display of small dark structures such as in particular coronary blood vessels in digital X-ray images. A live image (S) is initially subjected to multiscale decomposition in which firstly multiple uses of low pass filtering with subsequent resolution reduction (RED), and secondly resolution increases using subsequent low pass filtration (EXP), give detailed images (D1, D2, D3, D4) of different resolution. In accordance with the first variant of the method, a mask (M) representative of the uninteresting image background is subtracted from the detailed image (D4) having the lowest degree of resolution. This ensures that the subtraction will only comprise correspondingly coarse structures with dimensions greater than the expected image motion. A further improvement can be achieved by applying a motion estimation (MOT EST) and motion compensation (MOT COMP) to the mask (M) and to the detailed image (D4) of the lowest degree of resolution. The detailed images (D1-D4) may be multiplied by factors (c2) before they are combined to form the overall image (G). For this purpose, asymmetrical intensification functions are preferably used, so that negative contrast values corresponding to small dark structures can be intensified and positive contrast values can be suppressed.
    • 本发明涉及一种用于改进数字X射线图像中特别是冠状血管的小黑暗结构的显示的装置和方法。 实时图像(S)最初经受多尺度分解,其中首先多次使用低通滤波,随后进行分辨率降低(RED),其次分辨率随后的低通滤波(EXP)增加,给出详细图像(D1,D2, D3,D4)不同分辨率。 根据该方法的第一变型,从具有最低分辨率的详细图像(D4)中减去代表不感兴趣的图像背景的掩码(M)。 这确保了减法将仅包括具有大于预期图像运动的尺寸的对应粗略结构。 另外,通过将运动估计(MOT EST)和运动补偿(MOT COMP)应用于最低分辨率的掩模(M)和详细图像(D4)可以实现进一步的改进。 详细图像(D1-D4)可以在它们组合之前乘以因子(c2)以形成整体图像(G)。 为此,优选使用非对称增强功能,从而可以增强对应于小暗结构的负对比度值,并且可以抑制正对比度值。
    • 3. 发明申请
    • Primary shaping method for a component comprising a microstructured functional element
    • 用于包含微结构化功能元件的组分的初始成型方法
    • US20060162896A1
    • 2006-07-27
    • US11238184
    • 2005-09-28
    • Georg SchmitzManfred GrohnJurgen Nominikat
    • Georg SchmitzManfred GrohnJurgen Nominikat
    • B22C9/04
    • B22C7/02B22C7/06B22C9/04B22C9/10B33Y80/00
    • The invention relates to a molding method for a component with at least one microstructured functional element, which is configured intentionally with a defined structure, in relief, at a defined point on the surface of the component in order to specifically fulfil a function. The element has a characteristic dimension in the micrometer range in at least one spatial direction. The component is shaped from a substantially metallic material using a mould. The aim of the invention is to simplify and accelerate a primary shaping method of this type, making it more cost-effective and attractive for mass-production and use on a large scale, thus opening new avenues of application. To achieve this, at least one functional element is formed in a negative impression that is configured on the surface of the mould. The invention also relates to a mould, a core, a core box, a model, an original form and a master pattern for carrying out said primary shaping method.
    • 本发明涉及一种用于具有至少一个微结构化功能元件的部件的模制方法,其特征在于,在组件表面上的限定点处有意地以限定的结构构造,以特别地实现功能。 该元件在至少一个空间方向上具有微米范围内的特征尺寸。 该部件使用模具从基本金属材料成型。 本发明的目的是简化和加速这种类型的主要成型方法,使其大规模生产和使用更具成本效益和吸引力,从而开辟新的应用途径。 为了实现这一点,至少一个功能元件形成在构造在模具表面上的负压印中。 本发明还涉及用于实施所述初级成型方法的模具,芯,芯盒,模型,原始形式和主图案。
    • 4. 发明授权
    • Ultrasound system and ultrasound diagnostic apparatus for imaging scatterers in a medium
    • 超声波系统和超声诊断装置,用于在介质中成像散射体
    • US06790182B2
    • 2004-09-14
    • US09945859
    • 2001-09-04
    • Kai EckGeorg Schmitz
    • Kai EckGeorg Schmitz
    • A61B802
    • A61B8/00A61B8/4494B06B1/023G01S15/8913G01S15/8915G01S15/8927G01S15/8959
    • An ultrasound imaging system for imaging ultrasound scatterers, comprising a probe (208) for transmitting ultrasound waves and detecting ultrasound echoes reflected by said ultrasound scatterers, wherein said probe comprises a first group of transducer elements, labeled transmitting group (T), to transmit ultrasound waves, and a distinct second group of transducer elements, labeled receiving group (R), to detect ultrasound echoes reflected by said ultrasound scatterers. The system also comprises a processing system (202) comprising transmission and reception means, coupled to said probe (208), for providing coded signal to said transmitting group (T) and receiving signals from said receiving group (R) respectively; transmission beam-forming means (103) for focussing the ultrasound waves on a focus line, reception beam-forming means (105) for forming beam-summed received signals from signals received from the focus line and processing means for processing said beam-summed received signals to form decoded signals so as; and means for displaying an image (109) that is a function of said decoded signals.
    • 一种用于对超声波散射体进行成像的超声成像系统,包括用于传输超声波的探针(208)和检测由所述超声波散射体反射的超声回波,其中所述探针包括标记发射组(T)的第一组换能器元件,以传输超声波 以及标记为接收组(R)的不同的第二组换能器元件,以检测由所述超声波散射体反射的超声回波。 该系统还包括一个处理系统(202),包括耦合到所述探测器(208)的发射和接收装置,用于向所述发射组(T)提供编码信号并分别从所述接收组(R)接收信号; 用于将超声波聚焦在聚焦线上的传输波束形成装置(103),用于根据从聚焦线接收的信号形成波束相加的接收信号的接收波束形成装置(105)和用于处理所述波束相加的接收的处理装置 信号以形成解码信号; 以及用于显示作为所述解码信号的函数的图像(109)的装置。
    • 7. 发明授权
    • Method of and device for position detection in X-ray imaging
    • X射线成像中位置检测的方法和装置
    • US6050724A
    • 2000-04-18
    • US14714
    • 1998-01-28
    • Georg SchmitzJorg Sabczynski
    • Georg SchmitzJorg Sabczynski
    • A61B6/00A61B6/12A61B34/20A61B90/00G01N23/04
    • A61B6/463A61B34/20A61B6/08A61B6/12A61B6/4441A61B6/547G01N23/046A61B2034/2055A61B2034/2065A61B2090/363A61B6/4405A61B6/583G01N2223/419G01N2223/612
    • The invention relates to a method of position detection in X-ray imaging, and to a device for carrying out such a method by means of an X-ray apparatus, a detector device, including at least two detector elements, and an indicator device. The exact association of the X-ray image with the object imaged is very important notably for intraoperative imaging. Exact knowledge of the position and orientation of the components of the X-ray apparatus associated with the imaging system is required for this purpose. However, it is often problematic that the lines of sight of the position measuring system are obscured by attending staff or other apparatus. Therefore, in the device according to the invention the detector device is mounted on the X-ray apparatus and the indicator device is provided so as to be stationary on the object to be examined or stationary relative to the object to be examined. Also described is a method of position detection in X-ray imaging by means of such a device.
    • 本发明涉及一种X射线成像中的位置检测方法以及通过X射线装置,包括至少两个检测器元件的检测器装置以及指示器装置来执行这种方法的装置。 X射线图像与成像对象的精确关联对于术中成像非常重要。 为此,需要对与成像系统相关联的X射线设备的部件的位置和方向的准确了解。 然而,位置测量系统的视线通常由参加人员或其它设备而被遮蔽是常常的问题。 因此,在根据本发明的装置中,检测器装置安装在X射线装置上,并且指示装置被设置成相对于被检查物体静止在被检查物体或静止物上。 还描述了通过这种装置的X射线成像中的位置检测方法。
    • 8. 发明授权
    • Ultrasonic membrane transducer for an ultrasonic diagnostic probe
    • 用于超声波诊断探头的超声波换能器
    • US06784600B2
    • 2004-08-31
    • US10137491
    • 2002-05-01
    • Mareike Katharine KleeGeorg SchmitzJohn D. Fraser
    • Mareike Katharine KleeGeorg SchmitzJohn D. Fraser
    • H01L41047
    • H01L27/20B06B1/0688G10K13/00
    • The invention is directed towards structures for use with micro-formed membrane ultrasonic transducers, and methods for fabricating the structures. In one embodiment, the transducer includes a planar member having a piezoelectric material and spaced apart electrodes disposed on the planar member and coupled to the piezoelectric material for applying an electric field to the layer, and an acoustic backing member joined to the electrodes. In another embodiment, the transducer includes a planar member having a piezoelectric material that adjoins a semiconductor material, the semiconductor material having monolithically formed active circuits formed in the layer and coupled to the piezoelectric material. In still another embodiment, the transducer includes a planar member having a piezoelectric material, and an acoustic backing member having an adjoining layer of a semiconductor material having monolithically formed active circuits, the active circuits being coupled to the electrodes.
    • 本发明涉及用于微型薄膜超声换能器的结构,以及制造该结构的方法。 在一个实施例中,换能器包括平面构件,其具有压电材料和间隔开的电极,其设置在平面构件上并且耦合到用于向该层施加电场的压电材料,以及连接到电极的声学背衬构件。 在另一个实施例中,换能器包括具有邻接半导体材料的压电材料的平面构件,该半导体材料在该层中形成并且耦合到压电材料上的单片形式的有源电路。 在另一个实施例中,换能器包括具有压电材料的平面构件,以及具有具有单片形成的有源电路的半导体材料的邻接层的声学背衬构件,所述有源电路耦合到所述电极。
    • 9. 发明授权
    • Device and method for adapting the radiation dose of an X-ray source
    • 用于适应X射线源的辐射剂量的装置和方法
    • US06650729B2
    • 2003-11-18
    • US10160310
    • 2002-05-31
    • Henning BraessGeorg SchmitzHarald Reiter
    • Henning BraessGeorg SchmitzHarald Reiter
    • H05G144
    • A61B6/542A61B6/00
    • The invention relates to a method and a device for adapting a radiation dose of an X-ray source (1). The X-ray source (1) irradiates an object to be examined, for example, a patient (4), so as to form an X-ray image (7) on an X-ray detector (5). The X-ray image (7) is subdivided into image regions (A-I) and each time the brightest image region is successively separated from the remaining image regions in an iterative method if its mean grey value forms an indication of the presence of direct radiation (2b) in the relevant image region. The image regions still remaining at the end of the iteration operation correspond to an image region of interest which can be taken into account by a control unit (6) so as to calculate the optimum radiation dose.
    • 本发明涉及一种用于调整X射线源(1)的辐射剂量的方法和装置。 X射线源(1)照射被检体,例如患者(4),以在X射线检测器(5)上形成X射线图像(7)。 X射线图像(7)被细分为图像区域(AI),并且每当最亮图像区域以迭代方法与其余图像区域连续分离时,如果其平均灰度值形成直射辐射的存在的指示( 2b)在相关图像区域。 仍然保持在迭代操作结束的图像区域对应于可以由控制单元(6)考虑的感兴趣的图像区域,以便计算最佳辐射剂量。