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公开(公告)号：US11199638B2
公开(公告)日：2021-12-14
申请号：US17049921
申请日：2019-04-25
Applicant: Southern Innovation International Pty Ltd
Inventor： Michael Pauley , Paul Andrew Basil Scoullar , Christopher Charles McLean , Andi Chow , Nir Drabkin
Abstract: The invention provides a method of estimating an input count rate of a radiation pulse detector from a detector signal where some individual signal pulses making up the detector signal are closely spaced in time less than a minimum reliable detection gap. In one aspect, the individual signal pulses are detected using a detection algorithm and a plurality of interval start times are defined each interposed with at least one of the detected individual signal pulse arrival times, each interval start time being later by at least the minimum reliable detection gap than a corresponding most recent detected individual signal pulse arrival time. A corresponding plurality of individual signal pulse arrival intervals are calculated between each of the interval start times and a corresponding next detected individual signal pulse arrival time.
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公开(公告)号：US20210239866A1
公开(公告)日：2021-08-05
申请号：US17049921
申请日：2019-04-25
Applicant: Southern Innovation International Pty Ltd
Inventor： Michael Pauley , Paul Andrew Basil Scoullar , Christopher Charles McLean , Andi Chow , Nir Drabkin
Abstract: The invention provides a method of estimating an input count rate of a radiation pulse detector from a detector signal where some individual signal pulses making up the detector signal are closely spaced in time less than a minimum reliable detection gap (104,105; tc, td). In one aspect, the individual signal pulses are detected using a detection algorithm and a plurality of interval start times (sk) are defined each interposed with at least one of the detected individual signal pulse arrival times (tk), each interval start time (sk) being later by at least the minimum reliable detection gap than a corresponding most recent detected individual signal pulse arrival time (tk−1). A corresponding plurality of individual signal pulse arrival intervals are calculated between each of the interval start times (sk) and a corresponding next detected individual signal pulse arrival time (tk).
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公开(公告)号：US11079502B2
公开(公告)日：2021-08-03
申请号：US15102852
申请日：2014-12-11
Applicant: SOUTHERN INNOVATION INTERNATIONAL PTY LTD.
IPC: G01T1/36 , G01T1/17 , G06F30/20 , G06F17/14 , G06F111/10
Abstract: A method and apparatus for resolving individual signals in detector output data are disclosed. One inventive aspect includes a processing circuit configured to receive detector output data wherein the detector output data may be stepped data or non-stepped data; transform the detector output data to produce stepped data wherein the detector output data is received as non-stepped data; detect at least one signal at least partially based on the stepped data; and estimate a parameter associated with the signal, wherein estimating the parameter may preferably comprise estimating a signal energy or signal time of arrival associated with the signal.
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公开(公告)号：US10962485B2
公开(公告)日：2021-03-30
申请号：US16305801
申请日：2017-05-30
Applicant: SOUTHERN INNOVATION INTERNATIONAL PTY LTD
Inventor： Paul Scoullar , Christopher McLean , Shane Michael Tonissen , Syed Khusro Saleem
IPC: G01N21/85 , G01N23/087 , E21B49/00 , G01N21/25 , G01N21/93
Abstract: Provided are a material characterization system and method for characterizing a stream of material emanating from a material identification, exploration, extraction or processing activity, the system including: a source of incident radiation configured to irradiate the stream of material in an irradiation region, one or more detectors configured to detect radiation emanating from within or passing through the stream of material as a result of the irradiation by the incident radiation and thereby produce a detection signal, and one or more digital processors configured to process the detection signal to characterize the stream of material. The source of incident radiation and the one or more detectors are configured to be disposed relative to the stream of material so as to irradiate the stream of material and detect the radiation emanating from within or passing through the stream as the stream passes through the irradiation region.
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公开(公告)号：US10416342B2
公开(公告)日：2019-09-17
申请号：US15519521
申请日：2015-11-28
Applicant: Southern Innovation International Pty Ltd
Inventor： Paul Scoullar , Christopher McLean , Shane Tonissen , Syed Khusro Saleem , Brendan Allman
IPC: G01V5/00
Abstract: The invention provides a device (100) for screening one or more items (101,1806) of freight or baggage for one or more types of target material, the device comprising: a source (200, 201,1800) of incident radiation (204,206,1804) configured to irradiate the one or more items (101,1806); a plurality of detectors (202,209,1807, 301) adapted to detect packets of radiation (205,207,1700) emanating from within or passing through the one or more items (101, 1806) as a result of the irradiation by the incident radiation (204, 206, 1804), each detector being configured to produce an electrical pulse (312) caused by the detected packets having a characteristic size or shape dependent on an energy of the packets; one or more digital processors (203, 210, 303, 304, 306, 305) configured to process each electrical pulse to determine the characteristic size or shape and to thereby generate a detector energy spectrum for each detector of the energies of the packets detected, and characterize a material associated with the one or more items based on the energy spectrum.
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Patent Agency Ranking
公开(公告)号：US20160313459A1
公开(公告)日：2016-10-27
申请号：US15102852
申请日：2014-12-11
Applicant: SOUTHERN INNOVATION INTERNATIONAL PTY LTD.
CPC classification number: G01T1/366 , G01T1/171 , G06F17/148 , G06F17/5009 , G06F2217/16
Abstract: A method and apparatus for resolving individual signals in detector output data are disclosed. One inventive aspect includes a processing circuit configured to receive detector output data wherein the detector output data may be stepped data or non-stepped data; transform the detector output data to produce stepped data wherein the detector output data is received as non-stepped data; detect at least one signal at least partially based on the stepped data; and estimate a parameter associated with the signal, wherein estimating the parameter may preferably comprise estimating a signal energy or signal time of arrival associated with the signal.
Abstract translation: 公开了一种用于解决检测器输出数据中的各个信号的方法和装置。 一个创造性方面包括处理电路，其被配置为接收检测器输出数据，其中检测器输出数据可以是步进数据或非步数据; 变换检测器输出数据以产生阶梯数据，其中检测器输出数据作为非步数据被接收; 至少部分地基于所述阶梯式数据来检测至少一个信号; 并且估计与该信号相关联的参数，其中估计参数可以优选地包括估计与该信号相关联的信号能量或信号到达时间。
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公开(公告)号：US11796479B2
公开(公告)日：2023-10-24
申请号：US17199090
申请日：2021-03-11
Applicant: SOUTHERN INNOVATION INTERNATIONAL PTY LTD
Inventor： Paul Scoullar , Christopher McLean , Shane Michael Tonissen , Syed Khusro Saleem
IPC: G01N21/85 , G01N23/087 , E21B49/00 , G01N21/25 , G01N21/93
CPC classification number: G01N21/85 , E21B49/005 , G01N21/255 , G01N21/93 , G01N23/087 , G01N2021/8557 , G01N2021/8592 , G01N2021/933 , G01N2223/316 , G01N2223/345 , G01N2223/423 , G01N2223/501 , G01N2223/505 , G01N2223/616
Abstract: A material characterization system and method for characterizing a stream of material emanating from a material identification, exploration, extraction or processing activity, the system including a source of incident radiation configured to irradiate the stream of material in an irradiation region, one or more detectors adapted to detect radiation emanating from within or passing through the stream of material as a result of the irradiation by the incident radiation and thereby produce a detection signal, and one or more digital processors configured to process the detection signal to characterise the stream of material, wherein the source of incident radiation and the one or more detectors are adapted to be disposed relative to the stream of material so as to irradiate the stream of material and detect the radiation emanating from within or passing through the stream as the stream passes through the irradiation region.
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公开(公告)号：US10545257B2
公开(公告)日：2020-01-28
申请号：US16518881
申请日：2019-07-22
Applicant: Southern Innovation International Pty Ltd
Inventor： Paul Andrew Basil Scoullar , Christopher Charles McLean , Shane Michael Tonissen , Syed Khusro Saleem , Brendan Allman
Abstract: A device and method for material characterization are provided. In one aspect, the method includes detecting packets of radiation emanating from within or passing through one or more items of freight or baggage as a result of irradiation by incident radiation, using a plurality of detectors, each of the detectors being configured to produce an electrical pulse caused by the detected packets having a characteristic size or shape dependent on an energy of the packets. The method further includes processing each of the electrical pulses using one or more digital processors to determine the characteristic size or shape, generating a screening detector energy spectrum for each of the detectors of the energies of the packets detected, and measuring an effective atomic number Z of an unknown material associated with the one or more items of freight or baggage based on the screening detector energy spectra in comparison with calibration measurements.
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公开(公告)号：US20220137111A1
公开(公告)日：2022-05-05
申请号：US17593312
申请日：2020-03-23
Applicant: Southern Innovation International Pty Ltd
Inventor： Christopher McLean , Michael Pauley , Jonathan Manton
Abstract: A method of determining a spectrum of energies of individual quanta of radiation received in a radiation detector is disclosed. Spectrum sensitive statistics are computed from a time series of digital observations from the radiation detector, defining a mapping from a density of amplitudes of the pulses to the spectrum sensitive statistics. The spectrum is determined by estimating the density of amplitudes of the pulses by applying an inversion of the mapping to the spectrum sensitive statistics. The statistics may be based on a first set of nonoverlapping time intervals of constant length L at least as long as a duration of the pulses without regard to entirety of clusters of the pulses; and a second set of nonoverlapping time intervals of constant length L1 less than L also without regard to entirety of clusters of the pulses. A method of estimating count rate is also disclosed.
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公开(公告)号：US20210199592A1
公开(公告)日：2021-07-01
申请号：US17199090
申请日：2021-03-11
Applicant: SOUTHERN INNOVATION INTERNATIONAL PTY LTD
Inventor： Paul Scoullar , Christopher McLean , Shane Michael Tonissen , Syed Khusro Saleem
IPC: G01N21/85 , G01N23/087 , E21B49/00 , G01N21/25 , G01N21/93
Abstract: A material characterization system and method for characterizing a stream of material emanating from a material identification, exploration, extraction or processing activity, the system including a source of incident radiation configured to irradiate the stream of material in an irradiation region, one or more detectors adapted to detect radiation emanating from within or passing through the stream of material as a result of the irradiation by the incident radiation and thereby produce a detection signal, and one or more digital processors configured to process the detection signal to characterise the stream of material, wherein the source of incident radiation and the one or more detectors are adapted to be disposed relative to the stream of material so as to irradiate the stream of material and detect the radiation emanating from within or passing through the stream as the stream passes through the irradiation region.
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