JP4755423B2 - 像形成装置における過剰信号補正方法及び装置 - Google Patents
像形成装置における過剰信号補正方法及び装置 Download PDFInfo
- Publication number
- JP4755423B2 JP4755423B2 JP2004545463A JP2004545463A JP4755423B2 JP 4755423 B2 JP4755423 B2 JP 4755423B2 JP 2004545463 A JP2004545463 A JP 2004545463A JP 2004545463 A JP2004545463 A JP 2004545463A JP 4755423 B2 JP4755423 B2 JP 4755423B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frame
- excess
- image frame
- excess signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
- H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Solid State Image Pick-Up Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41913202P | 2002-10-16 | 2002-10-16 | |
| US60/419,132 | 2002-10-16 | ||
| PCT/US2003/032994 WO2004036738A2 (en) | 2002-10-16 | 2003-10-16 | Method and apparatus for excess signal correction in an imager |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006516179A JP2006516179A (ja) | 2006-06-22 |
| JP2006516179A5 JP2006516179A5 (https=) | 2006-11-24 |
| JP4755423B2 true JP4755423B2 (ja) | 2011-08-24 |
Family
ID=32108032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004545463A Expired - Fee Related JP4755423B2 (ja) | 2002-10-16 | 2003-10-16 | 像形成装置における過剰信号補正方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (5) | US7208717B2 (https=) |
| EP (1) | EP1573896A4 (https=) |
| JP (1) | JP4755423B2 (https=) |
| AU (1) | AU2003277432A1 (https=) |
| WO (1) | WO2004036738A2 (https=) |
Families Citing this family (44)
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| AU2003277432A1 (en) * | 2002-10-16 | 2004-05-04 | Varian Medical Systems Technologies, Inc. | Method and apparatus for excess signal correction in an imager |
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| JP5110881B2 (ja) | 2004-02-20 | 2012-12-26 | ユニバーシティ オブ フロリダ リサーチ ファウンデーション,インコーポレイティド | 軟組織を同時に画像化しながら等角放射線治療を送達するためのシステム |
| WO2005104210A2 (en) * | 2004-04-20 | 2005-11-03 | Visualsonics Inc. | Arrayed ultrasonic transducer |
| US7382853B2 (en) * | 2004-11-24 | 2008-06-03 | General Electric Company | Method and system of CT data correction |
| CN101166468B (zh) * | 2005-08-31 | 2010-07-14 | 株式会社岛津制作所 | 放射线摄像装置和放射线检测信号处理方法 |
| GB0517741D0 (en) * | 2005-08-31 | 2005-10-12 | E2V Tech Uk Ltd | Image sensor |
| EP1952175B1 (en) | 2005-11-02 | 2013-01-09 | Visualsonics, Inc. | Digital transmit beamformer for an arrayed ultrasound transducer system |
| JP5007721B2 (ja) * | 2006-02-23 | 2012-08-22 | 株式会社島津製作所 | 放射線撮像装置および放射線検出信号処理方法 |
| JP4645480B2 (ja) * | 2006-02-28 | 2011-03-09 | 株式会社島津製作所 | 放射線撮像装置および放射線検出信号処理方法 |
| WO2008012897A1 (en) * | 2006-07-27 | 2008-01-31 | Shimadzu Corporation | Optical or radiation imaging device |
| JP4949908B2 (ja) * | 2007-03-29 | 2012-06-13 | 富士フイルム株式会社 | 放射線画像検出方法および装置 |
| JP5105940B2 (ja) | 2007-04-06 | 2012-12-26 | キヤノン株式会社 | 撮像装置、撮像システム、その制御方法及びプログラム |
| US20090129653A1 (en) * | 2007-11-15 | 2009-05-21 | Carestream Health, Inc. | Energy balancing for wireless diagnostic imaging system |
| WO2009086849A1 (en) * | 2008-01-09 | 2009-07-16 | European Space Agency | Active pixel sensor apparatus for use in a star tracker device |
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| US7832928B2 (en) | 2008-07-24 | 2010-11-16 | Carestream Health, Inc. | Dark correction for digital X-ray detector |
| US9173047B2 (en) | 2008-09-18 | 2015-10-27 | Fujifilm Sonosite, Inc. | Methods for manufacturing ultrasound transducers and other components |
| US9184369B2 (en) | 2008-09-18 | 2015-11-10 | Fujifilm Sonosite, Inc. | Methods for manufacturing ultrasound transducers and other components |
| JP5723775B2 (ja) * | 2008-09-18 | 2015-05-27 | ビジュアルソニックス インコーポレイテッド | 超音波変換器および他の構成要素の製造方法 |
| US8040270B2 (en) | 2009-02-26 | 2011-10-18 | General Electric Company | Low-noise data acquisition system for medical imaging |
| KR101156445B1 (ko) | 2010-05-14 | 2012-06-18 | 삼성모바일디스플레이주식회사 | 광검출 픽셀의 구동방법 및 이 광검출 픽셀을 포함하는 엑스레이 검출기의 구동방법 |
| JP5496063B2 (ja) * | 2010-11-05 | 2014-05-21 | 富士フイルム株式会社 | 放射線撮影装置およびその駆動制御方法、並びに放射線撮影システム |
| KR101753895B1 (ko) * | 2010-12-03 | 2017-07-05 | 삼성디스플레이 주식회사 | 엑스레이 검출기 및 그 구동방법 |
| US9170219B2 (en) * | 2011-02-24 | 2015-10-27 | Bar-Ray Products, Inc. | X-ray detector system for assessing the integrity and performance of radiation protective garments |
| JP6061865B2 (ja) * | 2011-12-28 | 2017-01-18 | キヤノン株式会社 | 撮像装置、撮像システム、及び撮像装置の制御方法 |
| US10561861B2 (en) | 2012-05-02 | 2020-02-18 | Viewray Technologies, Inc. | Videographic display of real-time medical treatment |
| CN108452443B (zh) | 2012-10-26 | 2021-05-18 | 优瑞技术公司 | 利用对放射疗法的生理反应的成像对治疗评估的系统 |
| BR112015012779A2 (pt) * | 2012-12-04 | 2017-07-11 | Koninklijke Philips Nv | método de correção de imagem das informações de imagens de raios x, aparelho para correção de imagem das informações de imagens de raios x, sistema de raios x, uso de um aparelho, meio legível por computador, e elemento de programa para correção de imagem das informações de imagens de raios x |
| US9446263B2 (en) | 2013-03-15 | 2016-09-20 | Viewray Technologies, Inc. | Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging |
| US9305351B2 (en) | 2013-06-16 | 2016-04-05 | Larry D. Partain | Method of determining the probabilities of suspect nodules being malignant |
| FR3019959B1 (fr) * | 2014-04-11 | 2018-05-04 | Trixell | Procede de calibration d'un imageur numerique |
| US9545526B1 (en) | 2014-09-11 | 2017-01-17 | Larry D. Partain | System and method for projection image tracking of tumors during radiotherapy |
| KR101850871B1 (ko) * | 2015-08-26 | 2018-04-23 | 주식회사 디알텍 | 방사선 영상의 처리방법 및 방사선 촬영시스템 |
| EP3380192B1 (en) | 2015-11-24 | 2019-11-06 | ViewRay Technologies, Inc. | Radiation beam collimating systems |
| CN109310879A (zh) | 2016-03-02 | 2019-02-05 | 优瑞技术公司 | 利用磁共振成像的粒子疗法 |
| CN115407252A (zh) | 2016-06-22 | 2022-11-29 | 优瑞技术公司 | 低场强磁共振成像 |
| CN110382049A (zh) | 2016-12-13 | 2019-10-25 | 优瑞技术公司 | 放射治疗系统和方法 |
| CN106878634B (zh) * | 2017-04-28 | 2019-11-05 | 浙江宇视科技有限公司 | 一种图像中黑电平的补偿方法和装置 |
| EP3710112B1 (en) | 2017-12-06 | 2025-08-27 | Viewray Systems, Inc. | Optimization of multimodal radiotherapy |
| US11209509B2 (en) | 2018-05-16 | 2021-12-28 | Viewray Technologies, Inc. | Resistive electromagnet systems and methods |
| JP7261098B2 (ja) * | 2019-06-18 | 2023-04-19 | Tianma Japan株式会社 | 撮像装置 |
| WO2021226408A1 (en) * | 2020-05-08 | 2021-11-11 | Flir Commercial Systems, Inc. | Burn-in mitigation and associated imaging systems and methods |
| US11846739B2 (en) * | 2021-01-12 | 2023-12-19 | Innocare Optoelectronics Corporation | Circuit for sensing X-ray |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62193364A (ja) * | 1986-02-20 | 1987-08-25 | Canon Inc | 光応答特性補正方法 |
| JPH05237091A (ja) * | 1991-11-25 | 1993-09-17 | General Electric Co <Ge> | 放射線検出器のオフセットおよびアフタグロー補償方式 |
| JPH07174859A (ja) * | 1993-09-03 | 1995-07-14 | Philips Electron Nv | 画像検出装置 |
| JP2001243454A (ja) * | 1999-12-30 | 2001-09-07 | General Electric Co <Ge> | アモルファス・シリコン撮像用検出器における画像残存を補償する方法及び装置 |
| JP2003052687A (ja) * | 2001-08-15 | 2003-02-25 | Hitachi Medical Corp | X線検査装置 |
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| JP3197559B2 (ja) * | 1990-07-02 | 2001-08-13 | バリアン・メディカル・システムズ・インコーポレイテッド | 画像増強検出器を使用するコンピュータx線断層撮影装置 |
| US5099505A (en) * | 1990-07-02 | 1992-03-24 | Varian Associates | Method for increasing the accuracy of a radiation therapy apparatus |
| US5377654A (en) * | 1992-11-12 | 1995-01-03 | Ford Motor Company | System using time resolved air/fuel sensor to equalize cylinder to cylinder air/fuel ratios with variable valve control |
| EP0642264B1 (en) | 1993-09-03 | 2001-11-21 | Koninklijke Philips Electronics N.V. | Image detection device |
| US5452338A (en) * | 1994-07-07 | 1995-09-19 | General Electric Company | Method and system for real time offset correction in a large area solid state x-ray detector |
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| US5878108A (en) * | 1995-11-30 | 1999-03-02 | Hitachi Medical Corporation | Method for generating X-ray image and apparatus therefor |
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| US5692505A (en) * | 1996-04-25 | 1997-12-02 | Fouts; James Michael | Data processing systems and methods for pulse oximeters |
| US5774521A (en) * | 1996-07-08 | 1998-06-30 | Cedars-Sinai Medical Center | Regularization technique for densitometric correction |
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| US6285799B1 (en) * | 1998-12-15 | 2001-09-04 | Xerox Corporation | Apparatus and method for measuring a two-dimensional point spread function of a digital image acquisition system |
| US6345113B1 (en) * | 1999-01-12 | 2002-02-05 | Analogic Corporation | Apparatus and method for processing object data in computed tomography data using object projections |
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| JP2003522576A (ja) * | 2000-02-18 | 2003-07-29 | ウィリアム・ボーモント・ホスピタル | 平坦なパネル画像装置を有するコーンビームコンピュータ断層撮像装置 |
| US6996288B2 (en) * | 2000-09-28 | 2006-02-07 | Gang Sun | Method of calculating shading correction coefficients of imaging systems from non-uniform and unknown calibration standards |
| AU2003277432A1 (en) * | 2002-10-16 | 2004-05-04 | Varian Medical Systems Technologies, Inc. | Method and apparatus for excess signal correction in an imager |
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-
2003
- 2003-10-16 AU AU2003277432A patent/AU2003277432A1/en not_active Abandoned
- 2003-10-16 US US10/688,484 patent/US7208717B2/en not_active Expired - Lifetime
- 2003-10-16 EP EP03809126A patent/EP1573896A4/en not_active Withdrawn
- 2003-10-16 WO PCT/US2003/032994 patent/WO2004036738A2/en not_active Ceased
- 2003-10-16 JP JP2004545463A patent/JP4755423B2/ja not_active Expired - Fee Related
-
2007
- 2007-03-29 US US11/729,611 patent/US7423253B2/en not_active Expired - Lifetime
-
2008
- 2008-09-05 US US12/205,768 patent/US7638752B2/en not_active Expired - Fee Related
-
2009
- 2009-11-16 US US12/619,624 patent/US8049156B2/en not_active Expired - Lifetime
-
2011
- 2011-08-29 US US13/220,577 patent/US8658960B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62193364A (ja) * | 1986-02-20 | 1987-08-25 | Canon Inc | 光応答特性補正方法 |
| JPH05237091A (ja) * | 1991-11-25 | 1993-09-17 | General Electric Co <Ge> | 放射線検出器のオフセットおよびアフタグロー補償方式 |
| JPH07174859A (ja) * | 1993-09-03 | 1995-07-14 | Philips Electron Nv | 画像検出装置 |
| JP2001243454A (ja) * | 1999-12-30 | 2001-09-07 | General Electric Co <Ge> | アモルファス・シリコン撮像用検出器における画像残存を補償する方法及び装置 |
| JP2003052687A (ja) * | 2001-08-15 | 2003-02-25 | Hitachi Medical Corp | X線検査装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7638752B2 (en) | 2009-12-29 |
| US20110311025A1 (en) | 2011-12-22 |
| US8049156B2 (en) | 2011-11-01 |
| US20070170351A1 (en) | 2007-07-26 |
| WO2004036738A2 (en) | 2004-04-29 |
| AU2003277432A8 (en) | 2004-05-04 |
| WO2004036738A3 (en) | 2006-05-18 |
| JP2006516179A (ja) | 2006-06-22 |
| US20080315105A1 (en) | 2008-12-25 |
| US8658960B2 (en) | 2014-02-25 |
| US7423253B2 (en) | 2008-09-09 |
| EP1573896A2 (en) | 2005-09-14 |
| US7208717B2 (en) | 2007-04-24 |
| US20040119855A1 (en) | 2004-06-24 |
| AU2003277432A1 (en) | 2004-05-04 |
| EP1573896A4 (en) | 2008-08-20 |
| US20100118166A1 (en) | 2010-05-13 |
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