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    Process conduit anomaly detection using thermal imaging
    106.
    发明授权
    Process conduit anomaly detection using thermal imaging 有权

    公开(公告)号：US09857228B2

    公开(公告)日：2018-01-02

    申请号：US14224814

    申请日：2014-03-25

    Applicant: Rosemount Inc.

    Inventor： Jason Harold Rud

    IPC: G01J5/10 ,  G01N25/72 ,  G01J5/00

    CPC classification number: G01J5/10 ,  G01J2005/0077 ,  G01N25/72

    Abstract: A diagnostic field device for detecting a condition of a process conduit includes an infrared detector comprising a plurality of pixels configured to receive infrared radiation from the process conduit and responsively provide a plurality of pixel outputs. A first pixel of the plurality of pixels is configured to receive infrared radiation from a first location on the process conduit. A second pixel of the plurality of pixels is configured to receive infrared radiation from a second location on the process conduit. A memory contains thermal profile information which relates an output from the first pixel to a first temperature at the first location and relates an output from the second pixel to a second temperature at the second location. A microprocessor identifies a process anomaly based upon outputs from the first and second pixels. Output circuitry provides a diagnostic output indicative of the identified process anomaly.

    THERMAL ANOMALY DETECTION
    108.
    发明申请
    THERMAL ANOMALY DETECTION 审中-公开

    公开(公告)号：US20170374296A1

    公开(公告)日：2017-12-28

    申请号：US15190792

    申请日：2016-06-23

    Applicant: Fluke Corporation

    Inventor： Matthew F. Schmidt

    IPC: H04N5/33 ,  G01J5/10 ,  G06K9/62 ,  G01J5/02 ,  G01J5/00

    CPC classification number: H04N5/33 ,  G01J5/025 ,  G01J5/10 ,  G01J2005/0077 ,  G06K9/6212 ,  G06T7/001 ,  G06T2207/10048

    Abstract: Systems and methods can be used to detect thermal anomalies in a target scene of an infrared image. Acquired thermal image data can be compared to a statistical thermal profile to detect thermal anomalies in the image data. Anomaly data based on the comparison can be used to generate an image representing locations and/or severity of detected anomalies. Systems can be used to acquire thermal image data for generating and/or updating statistical thermal profiles for use in anomaly detection processes. Auxiliary measurement devices can provide measurement data representative of one or more parameters of the target scene. The measurement data can be used to select from a plurality of possible statistical thermal profiles associated with the target scene to best match the current parameters of the scene.

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