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    • 3. 发明授权
    • Device for scanning an X-ray image
    • 用于扫描X射线图像的装置
    • US6058220A
    • 2000-05-02
    • US157842
    • 1993-11-24
    • Walter HillenStephan RuppUlrich Schiebel
    • Walter HillenStephan RuppUlrich Schiebel
    • A61B6/00G06T5/20H04N1/04H04N1/409H04N5/32
    • H04N1/409H04N5/32
    • A device for scanning an X-ray image where a previously locally uniformly charged photoconductor (1) is discharged in dependence on the local intensity, utilizing several electrometer probes which are arranged in a row and which line-wise scan the charge pattern of the photoconductor (1) which is successively displaced in the scanning direction, extending perpendicular to the line direction, the probes supplying, for each pixel, an image value which corresponds to a discharge at the relevant pixel. In order to eliminate streaky artefacts, the image values are applied to an analog-to-digital converter (5), the converted values being stored in an image memory (6), there being provided a signal processor (7) which subjects the image values of neighboring pixels in an image line to a low-pass filter function and which subjects the image values of pixels neighboring one another in the scanning direction to a high-pass filter function.
    • 一种用于扫描X射线图像的装置,其中先前局部均匀充电的光电导体(1)根据局部强度被放电,利用排列成一行的几个静电计探针,并且逐行扫描光电导体的电荷图案 (1),其沿扫描方向连续移位,垂直于线方向延伸,所述探针为每个像素提供对应于相关像素处的放电的图像值。 为了消除条纹伪影,将图像值应用于模数转换器(5),将转换的值存储在图像存储器(6)中,提供了对图像进行拍摄的信号处理器(7) 将图像行中的相邻像素的值相对于低通滤波器功能,并且将扫描方向上彼此相邻的像素的图像值进行高通滤波器功能。
    • 4. 发明授权
    • Method of scanning an X-ray image by means of electrometer probes, and
device for performing the method
    • 通过电子探针扫描X射线图像的方法,以及用于执行该方法的装置
    • US5077765A
    • 1991-12-31
    • US614800
    • 1990-11-14
    • Walter HillenStephan RuppUlrich Schiebel
    • Walter HillenStephan RuppUlrich Schiebel
    • G01B15/00A61B6/00G01T1/29G03B42/02H04N5/30
    • G01T1/2921G01T1/2964
    • A plurality of electrometer probes (3, 4, 5, 6) scan charge patterns of a photoconductor (1) which is locally uniformly charged prior to the X-ray exposure and is discharged by the exposure in dependence on the intensity of the X-rays. The surface of the photoconductor is scanned after the exposure in order to determine the charge density, the electrometer probes (3, 4, 5, 6) forming for each pixel a pixel value which corresponds to the discharge at the relevant pixel to compensate for sensitivity fluctuations of the electrometer probes included is a calibration operation for the sensitivity of all electrometer probes in that two probes (3, 4, 5, 6) scan an identical section (a.sub.1 . . . d.sub.3) of the image, their relative sensitivity used for correcting the pixel values is derived from comparison of the resultant output signals of the probes (3, 4, 5, 6).
    • 多个静电计探针(3,4,5,6)扫描在X射线曝光之前局部均匀充电的光电导体(1)的电荷图案,并且通过曝光放电,依赖于X射线 射线 在曝光后扫描光电导体的表面以确定电荷密度,为每个像素形成对应于相关像素处的放电以补偿灵敏度的像素值的静电计探针(3,4,5,6) 包括的静电计探针的波动是所有静电计探针的灵敏度的校准操作,因为两个探针(3,4,5,6)扫描图像的相同部分(a1 ... d3),其相对灵敏度用于 通过比较所得到的探针(3,4,5,6)的输出信号,导出像素值的校正。
    • 9. 发明申请
    • Mobile authentication for network access
    • 网络访问的移动验证
    • US20060069914A1
    • 2006-03-30
    • US11205218
    • 2005-08-17
    • Stephan RuppMarkus Jenisch
    • Stephan RuppMarkus Jenisch
    • H04L9/00
    • H04L63/0272H04L9/3228H04L63/0838H04L63/0853H04L63/108H04L63/18H04L2209/80H04W12/001H04W12/00514H04W12/06
    • The present invention provides a method for authenticating a user to a network by means of a temporary and/or one-time password. The temporary and/or one-time password being provided by a service provider that can be accessed by means of a mobile telecommunication device. The temporary password is provided on demand, when the user invokes a corresponding access request that is transmitted to the service provider by means of the mobile telecommunication device. The service provider checks and asserts a received access request and generates the temporary password by making use of a dedicated cryptographic method. The generated temporary password is finally displayed to the user by means of the mobile telecommunication device and the user may then manually enter the temporary password into the computing device in order to authenticate to the network.
    • 本发明提供了一种通过临时和/或一次性密码向网络认证用户的方法。 临时和/或一次性密码由可由移动电信设备访问的服务提供商提供。 当用户通过移动电信设备调用发送到服务提供商的相应访问请求时,根据需要提供临时密码。 服务提供商检查和断言所接收的访问请求,并通过使用专用的密码方法生成临时密码。 生成的临时密码最终通过移动电信设备显示给用户,然后用户可以手动将临时密码输入到计算设备中,以便向网络进行认证。