IN2014CN04970A - - Google Patents
Info
- Publication number
- IN2014CN04970A IN2014CN04970A IN4970CHN2014A IN2014CN04970A IN 2014CN04970 A IN2014CN04970 A IN 2014CN04970A IN 4970CHN2014 A IN4970CHN2014 A IN 4970CHN2014A IN 2014CN04970 A IN2014CN04970 A IN 2014CN04970A
- Authority
- IN
- India
- Prior art keywords
- pile
- detection
- event
- detection values
- detection signal
- Prior art date
Links
- 238000001514 detection method Methods 0.000 abstract 11
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/585—Calibration of detector units
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
- G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
- G01R29/033—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers (the characteristic being frequency)
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/18—Measuring radiation intensity with counting-tube arrangements, e.g. with Geiger counters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/64—Digital differential analysers, i.e. computing devices for differentiation, integration or solving differential or integral equations, using pulses representing increments; Other incremental computing devices for solving difference equations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/148—Charge coupled imagers
- H01L27/14831—Area CCD imagers
- H01L27/14856—Time-delay and integration
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/125—Discriminating pulses
- H03K5/1252—Suppression or limitation of noise or interference
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
- H03K5/2463—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using diodes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
- A61B2560/0238—Means for recording calibration data
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4241—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0878—Sensors; antennas; probes; detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/24—Arrangements for measuring quantities of charge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/17—Circuit arrangements not adapted to a particular type of detector
- G01T1/171—Compensation of dead-time counting losses
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/40—Monitoring; Error detection; Preventing or correcting improper counter operation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Power Engineering (AREA)
- Nonlinear Science (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Computational Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Theoretical Computer Science (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Measurement Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161578546P | 2011-12-21 | 2011-12-21 | |
PCT/IB2012/057266 WO2013093726A1 (en) | 2011-12-21 | 2012-12-13 | Detection apparatus for detecting photons taking pile -up events into account |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014CN04970A true IN2014CN04970A (ru) | 2015-09-18 |
Family
ID=47631484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN4970CHN2014 IN2014CN04970A (ru) | 2011-12-21 | 2012-12-13 |
Country Status (8)
Country | Link |
---|---|
US (1) | US9801605B2 (ru) |
EP (1) | EP2751594B1 (ru) |
JP (1) | JP6170941B2 (ru) |
CN (1) | CN104024886B (ru) |
BR (1) | BR112014014839A2 (ru) |
IN (1) | IN2014CN04970A (ru) |
RU (1) | RU2595803C2 (ru) |
WO (1) | WO2013093726A1 (ru) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9140806B2 (en) * | 2013-01-15 | 2015-09-22 | Siemens Medical Solutions Usa, Inc. | Multiple timing measurements for positron emission tomography |
GB2514418A (en) * | 2013-05-24 | 2014-11-26 | Oxford Instr Nanotechnology Tools Ltd | Method of processing a particle spectrum |
EP2871496B1 (en) * | 2013-11-12 | 2020-01-01 | Samsung Electronics Co., Ltd | Radiation detector and computed tomography apparatus using the same |
JP6289108B2 (ja) * | 2014-01-14 | 2018-03-07 | キヤノンメディカルシステムズ株式会社 | フォトンカウンティングct装置及びフォトンカウンティングctデータ処理方法 |
JP6484916B2 (ja) * | 2014-02-06 | 2019-03-20 | コニカミノルタ株式会社 | X線画像撮影装置 |
EP3046474B1 (en) | 2014-10-01 | 2017-03-22 | Koninklijke Philips N.V. | Imaging apparatus and method |
KR102266123B1 (ko) * | 2014-11-10 | 2021-06-16 | 프리스매틱 센서즈 에이비 | 광자계수 멀티 빈 x선 검출기로부터의 영상 데이터에 기초한 x선 영상화 |
DE102015202999B4 (de) * | 2015-02-19 | 2019-12-05 | Siemens Healthcare Gmbh | Automatisierte Justierung von Signalanalyseparametern für Röntgendetektoren |
EP3341755B1 (en) * | 2015-08-27 | 2020-01-08 | Koninklijke Philips N.V. | Photon counting device and method |
US10613096B2 (en) | 2015-08-28 | 2020-04-07 | Captl Llc | Multi-spectral microparticle-fluorescence photon cytometry |
WO2017046002A1 (en) * | 2015-09-18 | 2017-03-23 | Koninklijke Philips N.V. | Correcting photon counts in a photon counting x-ray radiation detection system |
JP6700737B2 (ja) * | 2015-11-20 | 2020-05-27 | キヤノン株式会社 | 放射線撮像システム、信号処理装置、及び、放射線画像の信号処理方法 |
JP6629100B2 (ja) | 2016-02-26 | 2020-01-15 | キヤノンメディカルシステムズ株式会社 | 放射線検出装置および放射線検出システム |
CN106656390B (zh) * | 2016-11-15 | 2018-10-30 | 武汉中派科技有限责任公司 | 用于测量光子时间信息的装置及方法 |
JP6815209B2 (ja) * | 2017-01-24 | 2021-01-20 | キヤノンメディカルシステムズ株式会社 | X線ct装置 |
WO2018191497A2 (en) * | 2017-04-13 | 2018-10-18 | Captl Llc | Photon counting and spectroscopy |
JP7152912B2 (ja) * | 2018-09-06 | 2022-10-13 | キヤノン株式会社 | 光電変換装置及び撮像システム |
CN114041070B (zh) * | 2018-11-19 | 2024-03-08 | 棱镜传感器公司 | 边缘式光子计数检测器 |
US11344266B2 (en) * | 2019-09-16 | 2022-05-31 | Redlen Technologies, Inc. | Calibration methods for improving uniformity in X-ray photon counting detectors |
JP2022015925A (ja) * | 2020-07-10 | 2022-01-21 | キヤノン株式会社 | 光電変換装置及びその駆動方法 |
DE112021004442T5 (de) * | 2020-08-27 | 2023-06-15 | Analog Devices, Inc. | Energie-bin-ereignis-zählsystem |
CN112587161B (zh) * | 2020-12-09 | 2022-09-30 | 明峰医疗系统股份有限公司 | 堆积信号恢复方法、pet成像设备及计算机可读存储介质 |
CN113189638B (zh) * | 2021-04-21 | 2024-04-05 | 中国科学院国家空间科学中心 | 一种基于粒子径迹成像云室的粒子运动轨迹成像装置 |
CN117270015A (zh) * | 2023-11-23 | 2023-12-22 | 中国科学技术大学 | 环境中子伽马辐射监测系统和环境中子伽马辐射监测方法 |
Family Cites Families (28)
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JPH01118393A (ja) | 1987-10-30 | 1989-05-10 | Hiroshi Fujii | ダイアフラム付コラムとh形鋼との取付装置 |
JPH01118393U (ru) * | 1988-01-29 | 1989-08-10 | ||
EP0410828A3 (en) | 1989-06-28 | 1993-03-17 | Schlumberger Limited | Dead time correction and regulation method and apparatus for nuclear spectroscopy |
JPH0820517B2 (ja) * | 1989-10-06 | 1996-03-04 | 株式会社日立製作所 | γ線核種分析方法及び装置 |
JP3152476B2 (ja) | 1992-01-28 | 2001-04-03 | 浜松ホトニクス株式会社 | 放射線検出装置 |
JP2760232B2 (ja) | 1992-08-28 | 1998-05-28 | 日本ビクター株式会社 | 高圧回路 |
JP2601960Y2 (ja) * | 1993-05-22 | 1999-12-13 | 株式会社堀場製作所 | 波高分析器 |
GB2332512B (en) | 1996-08-30 | 2000-07-26 | Schlumberger Ltd | Method of pulse shape analysis for use in a nuclear spectroscopy system |
US6936822B2 (en) | 1997-05-07 | 2005-08-30 | Board Of Regents, The University Of Texas System | Method and apparatus to prevent signal pile-up |
JP4160275B2 (ja) * | 2001-05-28 | 2008-10-01 | 浜松ホトニクス株式会社 | エネルギー測定方法及び測定装置 |
US6590957B1 (en) * | 2002-03-13 | 2003-07-08 | William K. Warburton | Method and apparatus for producing spectra corrected for deadtime losses in spectroscopy systems operating under variable input rate conditions |
WO2004095060A2 (en) * | 2003-04-23 | 2004-11-04 | L-3 Communications Security and Detection Systems Corporation | X-ray imaging technique |
US7592596B2 (en) * | 2005-06-03 | 2009-09-22 | Ge Medical Systems Israel, Ltd | Methods and systems for medical imaging |
JP2009513220A (ja) * | 2005-10-28 | 2009-04-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 分光コンピュータ断層撮影の方法および装置 |
US7208739B1 (en) * | 2005-11-30 | 2007-04-24 | General Electric Company | Method and apparatus for correction of pileup and charge sharing in x-ray images with energy resolution |
US7511264B2 (en) | 2006-05-15 | 2009-03-31 | Cmt Medical Technologies Ltd. | Method of resolving ambiguity in photon counting-based detectors |
JP5174813B2 (ja) * | 2006-07-21 | 2013-04-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Tofpetの再構成を改良するための方法及びシステム |
CN101542316B (zh) * | 2006-11-30 | 2013-03-27 | 皇家飞利浦电子股份有限公司 | 利用相关的光子数和能量测量的谱计算机断层摄影 |
JP5337047B2 (ja) * | 2006-12-13 | 2013-11-06 | コーニンクレッカ フィリップス エヌ ヴェ | X線光子を計数する装置、撮像デバイス及び方法 |
WO2008146230A2 (en) * | 2007-05-29 | 2008-12-04 | Koninklijke Philips Electronics N.V. | Photon counting with detection of local maxima |
CN101680954A (zh) | 2007-06-01 | 2010-03-24 | 皇家飞利浦电子股份有限公司 | 谱光子计数探测器 |
US7696483B2 (en) * | 2007-08-10 | 2010-04-13 | General Electric Company | High DQE photon counting detector using statistical recovery of pile-up events |
US8340377B2 (en) * | 2007-09-17 | 2012-12-25 | Siemens Medical Solutions Usa, Inc. | Method for energy calculation and pileup determination for continuously sampled nuclear pulse processing |
WO2009115956A2 (en) * | 2008-03-19 | 2009-09-24 | Koninklijke Philips Electronics N.V. | Single photon radiation detector |
CN101561507B (zh) | 2009-05-21 | 2012-07-04 | 清华大学 | 射线探测器的射线能量检测方法 |
US8941076B2 (en) | 2009-06-30 | 2015-01-27 | Analogic Corporation | Enhanced photon detection for scanner |
US9000385B2 (en) | 2009-12-30 | 2015-04-07 | General Electric Company | Method and apparatus for acquiring radiation data |
CN102073059B (zh) * | 2010-12-31 | 2013-05-22 | 华中科技大学 | 一种数字化pileup波形处理方法及系统 |
-
2012
- 2012-12-13 EP EP12821048.1A patent/EP2751594B1/en active Active
- 2012-12-13 BR BR112014014839A patent/BR112014014839A2/pt not_active IP Right Cessation
- 2012-12-13 IN IN4970CHN2014 patent/IN2014CN04970A/en unknown
- 2012-12-13 JP JP2014548279A patent/JP6170941B2/ja active Active
- 2012-12-13 RU RU2014129795/28A patent/RU2595803C2/ru not_active IP Right Cessation
- 2012-12-13 WO PCT/IB2012/057266 patent/WO2013093726A1/en active Application Filing
- 2012-12-13 US US14/362,458 patent/US9801605B2/en active Active
- 2012-12-13 CN CN201280063624.7A patent/CN104024886B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
RU2595803C2 (ru) | 2016-08-27 |
BR112014014839A2 (pt) | 2017-06-13 |
WO2013093726A1 (en) | 2013-06-27 |
US9801605B2 (en) | 2017-10-31 |
US20140328466A1 (en) | 2014-11-06 |
EP2751594B1 (en) | 2018-08-08 |
CN104024886A (zh) | 2014-09-03 |
CN104024886B (zh) | 2017-12-26 |
JP6170941B2 (ja) | 2017-08-02 |
EP2751594A1 (en) | 2014-07-09 |
RU2014129795A (ru) | 2016-02-10 |
JP2015506463A (ja) | 2015-03-02 |
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