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    • 1. 发明授权
    • Signal to noise ratio in digital pathology image analysis
    • 数字病理图像分析中的信噪比
    • US08705825B2
    • 2014-04-22
    • US13370124
    • 2012-02-09
    • Allen OlsonOle Eichhorn
    • Allen OlsonOle Eichhorn
    • G06K9/00
    • G06T7/0012G06F19/00G06F19/321G06T2207/10056G06T2207/30024
    • A digital slide analysis system comprises an algorithm server that maintains or has access to a plurality of image processing and analysis routines. The algorithm server additionally has access to a plurality of digital slide images. The algorithm server executes a selected routine on an identified digital slide and provides the resulting data. Prior to the application of selected routine, the system employs a digital pre-processing module to create a metadata mask that reduces undesirable image data such that the image data processed by the selected routine has an improved signal to noise ratio. The pre-processing module uses a classifier that may be implemented as a pattern recognition module, for example. Undesirable image data is therefore excluded from the image data that is processed by the digital pathology image processing and analysis routine, which significantly improves the digital pathology image analysis.
    • 数字幻灯片分析系统包括维护或者可以访问多个图像处理和分析程序的算法服务器。 算法服务器还可以访问多个数字幻灯片图像。 算法服务器在识别的数字幻灯片上执行所选择的例程,并提供所得到的数据。 在应用所选程序之前,系统采用数字预处理模块来创建一个减少不需要的图像数据的元数据掩码,使得由所选程序处理的图像数据具有改善的信噪比。 预处理模块使用例如可以被实现为模式识别模块的分类器。 因此,不希望的图像数据被排除在由数字病理图像处理和分析程序处理的图像数据中,这显着地改善了数字病理图像分析。
    • 3. 发明申请
    • Image Processing and Analysis Framework
    • 图像处理与分析框架
    • US20120281931A1
    • 2012-11-08
    • US13494715
    • 2012-06-12
    • Ole EichhornAllen Olson
    • Ole EichhornAllen Olson
    • G06K9/36
    • G06K9/46G06T1/00
    • A system and method for processing and analyzing virtual microscopy digital images (“digital slides”) is provided. The system comprises an algorithm server that accesses a plurality of image processing and analysis routines. The algorithm server additionally accesses a plurality of digital slides. The algorithm server executes a selected routine on an identified digital slide and provides the resulting data. The digital slide is accessed locally or remotely across a network. Similarly, the image processing and analysis routines are accessed locally or remotely across a network, or both. Advantageously, certain common sub-routines may be stored locally for inclusion in other local or remotely accessed routines. Use of image processing and analysis routines may be restricted through a monitor process that authenticates requests to process or view digital slides. Variations in restrictions to images provide rich diversity in access levels that allow sharing of digital slides and demonstrations of image processing algorithms.
    • 提供了一种用于处理和分析虚拟显微数字图像(数字幻灯片)的系统和方法。 该系统包括访问多个图像处理和分析例程的算法服务器。 算法服务器还访问多个数字幻灯片。 算法服务器在识别的数字幻灯片上执行所选择的例程,并提供所得到的数据。 数字幻灯片可以通过网络在本地或远程访问。 类似地,图像处理和分析例程通过网络本地或远程访问,或两者兼而有之。 有利地,某些公共子例程可以被本地存储以包含在其他本地或远程访问的例程中。 图像处理和分析程序的使用可能会通过对进程或查看数字幻灯片的请求进行验证的监视进程来限制。 对图像限制的变化提供了访问级别丰富的多样性,允许共享数字幻灯片和图像处理算法的演示。
    • 10. 发明授权
    • Fully balanced transimpedance amplifier for high speed and low voltage applications
    • 用于高速和低电压应用的全平衡跨阻放大器
    • US06433638B1
    • 2002-08-13
    • US09655816
    • 2000-09-06
    • Randolph B. HeinekeScott Allen OlsonDavid Peter SwartGerald Wayne Swift
    • Randolph B. HeinekeScott Allen OlsonDavid Peter SwartGerald Wayne Swift
    • H03F345
    • H03F3/082H03F1/226H03F3/45376H03F2203/45394H03F2203/45511H03F2203/45518H03F2203/45528H03F2203/45652H03F2203/45711
    • A fully balanced transimpedance amplifier for high speed and low voltage applications is provided. An input stage of the amplifier uses a matched pair of common source connected transistors with sources tied directly to ground to eliminate the Vds overhead usually found in differential pairs. The ground connection minimizes a source resistance noise component, while matching minimizes power supply noise generation and susceptibility for an array of amplifiers. Feedback resistors along with diode connected MESFETS determine the transimpedance of the amplifier. The nonlinearity of diodes helps to soften clipping. Transresistance also determined the noise generated by the amplifier, and the diode connected MESFETS offer lower noise than resistors for the same impedance. Stability is achieved through use of only a single stage of gain in a loop of the input stage, while additional gain is achieved through cascading in the input stage. A differential stage minimizes any difference in amplitude between two sides of the amplifier input stage. Two stages of source followers provide buffering to drive a relatively low impedance load at the output of the amplifier. Single integrated capacitor coupling, for high bandwidth, low noise, low voltage operation with an integrated detector is provided.
    • 提供了用于高速和低电压应用的完全平衡的跨阻抗放大器。 放大器的输入级使用一对公共源极连接的晶体管,源极直接与地相连,以消除通常在差分对中发现的Vds开销。 接地连接最小化源电阻噪声分量,同时匹配可最大限度地减少放大器阵列的电源噪声产生和敏感性。 反馈电阻和二极管连接的MESFETS决定了放大器的跨导阻抗。 二极管的非线性有助于软化削波。 Transresistance还确定了放大器产生的噪声,并且连接的二极管MESFETS的阻抗比同一阻抗的电阻低。 通过在输入级的环路中仅使用单级增益实现稳定性,而在输入级中通过级联实现附加增益。 差分级使放大器输入级两侧之间的幅度差异最小化。 源级跟随器的两级提供缓冲以在放大器的输出处驱动相对较低的阻抗负载。 提供单集成电容耦合,用于高带宽,低噪声,低电压操作与集成检测器。