JP5968403B2 - 特定の対象物品の識別のためのx線断層撮影検査システム及びその方法 - Google Patents
特定の対象物品の識別のためのx線断層撮影検査システム及びその方法 Download PDFInfo
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- G—PHYSICS
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/226—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
-
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- G06V2201/05—Recognition of patterns representing particular kinds of hidden objects, e.g. weapons, explosives, drugs
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Description
本出願は、2009年5月26日に出願の米国特許仮出願第61/181,068号に優先権を依拠する。
nλ=2dsinθ
ここで、nは整数、λはX線の波長、dは対象物内の原子間距離である。
Claims (4)
- a.対象物の断層撮影X線画像を規定する走査データを生成する非回転式X線走査装置と、
b.前記走査データを解析して前記断層撮影X線画像の少なくとも1つのパラメータを抽出するプロセッサと、
を備え、
前記プロセッサは、プログラム命令を実行して、前記少なくとも1つのパラメータに基づき、複数の区分の1つに前記対象物を割り当て、
前記プログラム命令は、前記断層撮影X線画像内の所定の特徴を識別する複数のパラメータ抽出部を備え、
前記複数のパラメータ抽出部は、1つ、又は複数の突出した先端部を識別するように構成された第1パラメータ抽出部と、所定の長さ対幅比を有する1つ、又は複数の刃部を識別するように構成され第2パラメータ抽出部と、少なくとも2つの空隙と3つの物質充填部とを有する繰り返し構造を有する折りたたまれた刃物を識別するように構成された第3パラメータ抽出部とを含み、
前記プログラム命令は、前記パラメータ抽出部によって識別されたパラメータの相関を取るように構成された少なくとも1つの判別ツリーをさらに含み、
前記プロセッサは、データベースに保存されている所定のデータに対して相関のあるデータをマッピングすることによって、前記対象物が鋭利な対象物を含むかどうかを判定するように構成されていることを特徴とするX線走査システム。 - 前記マッピングの結果に基づき、警告を発生する警告システムを更に備え、
前記警告は、対象物の潜在的な危険性の有無を定義することを特徴とする請求項1に記載のX線走査システム。 - 前記複数のパラメータ抽出部は、2次元画像上、3次元画像上、またはサイノグラム画像データ上で動作するように構成されていることを特徴とする請求項1に記載のX線走査システム。
- 複数のパラメータ抽出部によって断層撮影X線画像内の1つ、又は複数の所定の特徴を識別する工程と、
前記パラメータ抽出部によって識別されたパラメータと判別ツリーとの相関を取る工程と、
鋭利な対象物又はナイフを識別するために、データベースに保存されている所定データに対して相関のあるデータをマッピングする工程と
を有し、
前記複数のパラメータ抽出部は、
1つ、又は複数の突出した先端部を識別する第1パラメータ抽出部と、
所定の長さ・幅比を有する1つ、又は複数の刃部を識別する第2パラメータ抽出部と、
少なくとも2つの空隙と3つの物質充填部との繰り返し構造を有する折りたたまれた刃物を識別する第3パラメータ抽出部と
を含むことを特徴とする鋭利な対象物又はナイフの検出方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US18106809P | 2009-05-26 | 2009-05-26 | |
US61/181,068 | 2009-05-26 |
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JP2012513200A Division JP2012528397A (ja) | 2009-05-26 | 2010-05-26 | 特定の対象物品の識別のためのx線断層撮影検査システム |
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Publication Number | Publication Date |
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JP2015099147A JP2015099147A (ja) | 2015-05-28 |
JP5968403B2 true JP5968403B2 (ja) | 2016-08-10 |
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JP2012513200A Pending JP2012528397A (ja) | 2009-05-26 | 2010-05-26 | 特定の対象物品の識別のためのx線断層撮影検査システム |
JP2014232429A Expired - Fee Related JP5968403B2 (ja) | 2009-05-26 | 2014-11-17 | 特定の対象物品の識別のためのx線断層撮影検査システム及びその方法 |
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Country Status (6)
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EP (3) | EP2435955A4 (ja) |
JP (2) | JP2012528397A (ja) |
CN (1) | CN102483803B (ja) |
GB (7) | GB2501022B (ja) |
HK (1) | HK1248873A1 (ja) |
WO (1) | WO2010138574A1 (ja) |
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GB201312005D0 (en) | 2013-08-21 |
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GB2482819B (en) | 2014-02-12 |
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CN102483803A (zh) | 2012-05-30 |
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GB2501024A (en) | 2013-10-09 |
JP2015099147A (ja) | 2015-05-28 |
GB2501026A (en) | 2013-10-09 |
HK1248873A1 (zh) | 2018-10-19 |
WO2010138574A1 (en) | 2010-12-02 |
GB201312003D0 (en) | 2013-08-21 |
GB201312008D0 (en) | 2013-08-21 |
GB201312004D0 (en) | 2013-08-21 |
EP2435955A1 (en) | 2012-04-04 |
GB201312007D0 (en) | 2013-08-21 |
GB2501025B (en) | 2014-02-12 |
CN102483803B (zh) | 2015-12-16 |
GB2501022B (en) | 2014-02-12 |
GB2501023A (en) | 2013-10-09 |
EP2435955A4 (en) | 2016-12-21 |
GB2503358A (en) | 2013-12-25 |
GB201120242D0 (en) | 2012-01-04 |
EP3282393A1 (en) | 2018-02-14 |
GB2482819A (en) | 2012-02-15 |
GB201312006D0 (en) | 2013-08-21 |
GB2501022A (en) | 2013-10-09 |
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