JP5912205B2 - 評価用補助具 - Google Patents
評価用補助具 Download PDFInfo
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- JP5912205B2 JP5912205B2 JP2015203000A JP2015203000A JP5912205B2 JP 5912205 B2 JP5912205 B2 JP 5912205B2 JP 2015203000 A JP2015203000 A JP 2015203000A JP 2015203000 A JP2015203000 A JP 2015203000A JP 5912205 B2 JP5912205 B2 JP 5912205B2
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- Apparatus For Radiation Diagnosis (AREA)
Description
(1) デジタルX線画像を撮像して評価する際に用いられる評価用補助具であって、
平面視において四角形状をなし、X線吸収率の異なる複数の領域を有する板状体と、
前記板状体上に、各前記領域に対応して設けられ、横断面積が互いに異なっている複数の線材を有する集合体とを含み、
各前記集合体において、各前記線材は、前記板状体の一辺に対して傾斜していることを特徴とする評価用補助具。
前記板状体の各前記領域は、平面視において、前記ブロック体の周囲に、前記ブロック体から露出する部分を有する上記(1)ないし(8)のいずれかに記載の評価用補助具。
また、ブロック体(ステップ31〜33)は、必要に応じて設ければよく、省略することもできる。
2 基板
21〜23 板材
A〜C 領域
31〜33 ステップ
311〜317 領域
321〜329 領域
331〜337 領域
34 貫通孔
41〜43 ワイヤチャート
411〜416 ワイヤ
420〜429 ワイヤ
430〜439 ワイヤ
44 シート材
Claims (3)
- デジタルX線画像を撮像して評価する際に用いられる評価用補助具であって、
平面視において四角形状をなし、X線吸収率の異なる複数の領域を有する板状体と、
前記板状体上に、各前記領域に対応して設けられ、横断面積が互いに異なっている複数の線材を有する集合体とを含み、
各前記集合体において、各前記線材は、前記板状体の一辺に対して傾斜していることを特徴とする評価用補助具。 - 各前記集合体において、各前記線材は、前記板状体の一辺に対して30〜75°傾斜している請求項1に記載の評価用補助具。
- 各前記集合体において、前記複数の線材は、ほぼ等間隔で併設されている請求項1または2に記載の評価用補助具。
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JP2015203000A JP5912205B2 (ja) | 2015-10-14 | 2015-10-14 | 評価用補助具 |
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JP2010172570A Division JP5826469B2 (ja) | 2010-07-30 | 2010-07-30 | 評価用補助具 |
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JP2016005818A JP2016005818A (ja) | 2016-01-14 |
JP5912205B2 true JP5912205B2 (ja) | 2016-04-27 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6593853B1 (ja) * | 2018-09-19 | 2019-10-23 | 株式会社三田屋製作所 | グリッドおよびグリッド付きx線検出器 |
JP7278181B2 (ja) * | 2019-09-12 | 2023-05-19 | 三菱重工業株式会社 | 放射線透過試験用模擬部材、放射線透過試験用模擬画像作成方法、放射線透過試験装置、放射線透過試験手法評価方法、放射線透過試験手法選定方法、放射線透過試験データ評価方法、および放射線透過試験学習データ生成方法 |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS5013497Y1 (ja) * | 1969-11-25 | 1975-04-24 | ||
US4055771A (en) * | 1976-10-26 | 1977-10-25 | Alderson Research Laboratories, Inc. | Test body for a scanning tomographic analytical apparatus |
DE4238268C2 (de) * | 1992-11-12 | 1998-07-02 | Siemens Ag | Verfahren und Vorrichtung zur Abnahme- und Konstanzprüfung filmloser Dental-Röntgengeräte |
US5841835A (en) * | 1997-03-31 | 1998-11-24 | General Electric Company | Apparatus and method for automatic monitoring and assessment of image quality in x-ray systems |
US6231231B1 (en) * | 1999-06-24 | 2001-05-15 | General Electric Company | Modular interchangeable phantoms for multiple x-ray systems |
US6694047B1 (en) * | 1999-07-15 | 2004-02-17 | General Electric Company | Method and apparatus for automated image quality evaluation of X-ray systems using any of multiple phantoms |
US6409383B1 (en) * | 2000-03-14 | 2002-06-25 | Eastman Kodak Company | Automated and quantitative method for quality assurance of digital radiography imaging systems |
JP4427204B2 (ja) * | 2001-03-28 | 2010-03-03 | 富士フイルム株式会社 | 放射線画像情報生成装置の性能判定方法およびシステム |
JP2004245623A (ja) * | 2003-02-12 | 2004-09-02 | Fuji Photo Film Co Ltd | Qcファントム |
JP4408720B2 (ja) * | 2003-03-03 | 2010-02-03 | 富士フイルム株式会社 | 放射線撮影システムの検査方法及びそれを用いた医用画像処理装置 |
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