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    • 1. 发明授权
    • Industrial system for inspecting and identifying workpieces
    • 用于检查和识别工件的工业系统
    • US4072928A
    • 1978-02-07
    • US621638
    • 1975-10-10
    • Joseph Wilder
    • Joseph Wilder
    • G06K9/00
    • G06K9/00G06K2209/19
    • Disclosed is a system for inspecting and identifying workpieces in an industrial environment. Workpieces such as metal parts with markings that are punch-stamped or engraved are successively registered with a device which derives an electrical signal corresponding to each marking. The markings can be serial numbers or any other markings of arbitrary shape. Each electrical signal is extensively modified to minimize the effect of irrelevant and confusing characteristics such as the surface roughness of the workpiece, rust spots, depth of the stamping or engraving, and the like, and to make the electrical signal more representative of the important characteristics of the marking, such as the overall shape of the marking and the differences of the marking from other markings which have different meanings. The resulting modified electrical signal is combined with prototype electrical signals to find out which of the prototype signals most closely corresonds to the modified electrical signal, and to thereby identify the marking from which the modified electrical signal is derived. The prototype electrical signals are generated through training the system by exposing it to sample markings that are of the general type of the markings on the workpieces that will be ultimately inspected. The training of the system is similar to the normal, inspecting operation of the system, and can be done by relatively unskilled operators. This system can be retrained, again by relatively unskilled operators, for inspection of different types of markings or of different types of workpieces.
    • 公开了一种在工业环境中检查和识别工件的系统。 诸如具有冲压或雕刻的标记的金属部件的工件被连续地与导出对应于每个标记的电信号的装置一起登记。 标记可以是序列号或任意形状的任何其他标记。 每个电信号被广泛修改以最小化不相关和混乱特性(例如工件的表面粗糙度,锈点,冲压或雕刻深度等)的影响,并使电信号更具代表重要特性 的标记,例如标记的整体形状以及标记与其他具有不同含义的标记的差异。 所产生的经修改的电信号与原型电信号组合,以找出与修改后的电信号最接近地相关联的哪些原型信号,从而识别出修改后的电信号得到的标记。 原型电信号是通过对系统进行培训而产生的,该系统将其暴露于将被最终检查的工件上的标记的一般类型的样品标记。 系统的培训与系统的正常,检查操作相似,可以由相对不熟练的操作员完成。 该系统可以由相对不熟练的操作员再次训练,用于检查不同类型的标记或不同类型的工件。
    • 4. 发明授权
    • Non-contacting workpiece gauging system
    • 非接触式工件测量系统
    • US4329060A
    • 1982-05-11
    • US140337
    • 1980-04-14
    • Joseph Wilder
    • Joseph Wilder
    • G01B11/02G01B11/14
    • G01B11/026
    • A system for finding the position of a workpiece surface relative to a reference through non-contact gauging. The system uses a radiant energy beam projected such that an illuminated spot moves along the workpiece surface with movement of that surface relative to the reference along a measurement direction. An array-type image detector, which is out of physical contact with the workpiece, detects the illumination at each of a number of small areas of the workpiece surface and generates signals representative of the detected illumination. These signals are converted into a test signal which is a function of the difference in overall illumination between larger areas of the workpiece surface. A reference signal is produced and stored for two known positions of a workpiece surface. The test signal and the reference signal are combined with each other to produce a measurement signal indicative of the position of the workpiece surface relative to the reference.
    • 用于通过非接触式测量找到工件表面相对于参考的位置的系统。 该系统使用投影的辐射能束,使得照射光点沿着该表面相对于基准沿着测量方向的移动而沿工件表面移动。 与工件不物理接触的阵列型图像检测器检测工件表面的多个小区域中的每一个处的照明,并产生表示检测到的照明的信号。 这些信号被转换为测试信号,该测试信号是工件表面的较大区域之间的整体照明差异的函数。 产生并存储参考信号用于工件表面的两个已知位置。 测试信号和参考信号彼此组合以产生指示工件表面相对于参考的位置的测量信号。
    • 7. 发明授权
    • Multiple resolution image sensor
    • 多分辨率图像传感器
    • US5262871A
    • 1993-11-16
    • US437527
    • 1989-11-13
    • Joseph WilderWalter F. Kosonocky
    • Joseph WilderWalter F. Kosonocky
    • H01L27/146H04N5/335
    • H01L27/14609H01L27/14643H04N3/155H04N3/1562H04N5/335
    • An image sensor comprised of an array of photo elements (pixels) includes a device for randomly addressing individual pixels and a device for selectively varying the number of pixels which can be read out on any one reading cycle. The random addressing of pixels enables the readout of pixels located in selected regions of interest. Limiting the readout of the images to areas of interest allows an increase in the frame rate of the images. Relatively large groups of pixels can be read out simultaneously and the resulting signals can be merged into superpixel signals to provide high speed data capture, albeit at relatively lower resolution, since there will be a reduced number of data samples in each image. This feature is useful to rapidly scan and analyze a scene being viewed in order to locate an area of interest. Once an area of interest is located, the number of pixels read out on each cycle may be reduced to provide a higher resolution, lower speed, readout of the area of interest.
    • 由像素阵列组成的图像传感器包括用于随机地寻址单个像素的装置和用于选择性地改变可以在任何一个读取周期读出的像素数量的装置。 像素的随机寻址使得能够读出位于所选择的感兴趣区域中的像素。 将图像的读出限制在感兴趣的区域,可以增加图像的帧速率。 可以同时读取相对较大的像素组,并且所得到的信号可以被合并成超像素信号,以提供高速数据采集,尽管分辨率相对较低,因为每个图像中数据样本数量将减少。 此功能对于快速扫描和分析正在查看的场景是有用的,以便定位感兴趣的区域。 一旦找到感兴趣的区域,可以减少在每个周期上读出的像素数量,以提供更高分辨率,更低速度的感兴趣区域的读出。
    • 8. 发明申请
    • System and method for detecting hazardous materials
    • 检测危险物质的系统和方法
    • US20060157655A1
    • 2006-07-20
    • US11038300
    • 2005-01-19
    • Richard MammoneChristine PodilchukJoseph Wilder
    • Richard MammoneChristine PodilchukJoseph Wilder
    • G01T1/00
    • G01N23/20
    • The present invention relates to mitigating the effects of distortions in pulse shape and energy of spectrum from gamma ray and/or neutron detectors. In one embodiment, the present invention uses pattern recognition techniques to identify and separate various distortions in the pulse shape and energy to obtain a better estimate of the true number of pulses of specific energies which are characteristic of the radioactive materials present. Additionally, autoregressive models, pulse filtering and pattern recognition methods are used to obtain more accurate pulse characterization. In one embodiment, the present invention relates to a method of detecting a material comprising the steps of deriving an energy spectrum from nuclear radiation detected from the material, processing the energy spectrum for enhancing the energy spectrum, extracting one or more features from the enhanced energy spectrum, and classifying the material based on the one or more features.
    • 本发明涉及减轻来自伽马射线和/或中子探测器的脉冲形状和频谱能量的失真的影响。 在一个实施例中,本发明使用模式识别技术来识别和分离脉冲形状和能量中的各种失真,以获得对存在的放射性材料特征的特定能量的真实脉冲数的更好估计。 此外,使用自回归模型,脉冲滤波和模式识别方法来获得更准确的脉冲表征。 在一个实施例中,本发明涉及一种检测材料的方法,包括以下步骤:从材料中检测到的核辐射导出能谱,处理能谱以增强能谱,从增强能量中提取一个或多个特征 频谱,并根据一个或多个特征对材料进行分类。