I.S. EN 62220-1-3:2008
Current
The latest, up-to-date edition.
MEDICAL ELECTRICAL EQUIPMENT - CHARACTERISTICS OF DIGITAL X-RAY IMAGING DEVICES - PART 1-3: DETERMINATION OF THE DETECTIVE QUANTUM EFFICIENCY - DETECTORS USED IN DYNAMIC IMAGING
Hardcopy , PDF
English
01-01-2008
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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Operating conditions
4.2 X-RAY EQUIPMENT
4.3 RADIATION QUALITY
4.4 TEST DEVICE
4.5 Geometry
4.6 IRRADIATION conditions
4.6.1 General conditions
4.6.2 AIR KERMA measurement
4.6.3 LAG EFFECTS
4.6.4 IRRADIATION to obtain the CONVERSION FUNCTION
4.6.5 IRRADIATION for determination of the NOISE POWER
SPECTRUM and LAG EFFECTS
4.6.6 IRRADIATION with TEST DEVICE in the RADIATION BEAM
4.6.7 Overview of all necessary IRRADIATIONS
5 Corrections of RAW DATA
6 Determination of the DETECTIVE QUANTUM EFFICIENCY
6.1 Definition and formula of DQE(u,v)
6.2 Parameters to be used for evaluation
6.3 Determination of different parameters from the images
6.3.1 Linearization of data
6.3.2 The LAG EFFECTS corrected NOISE POWER SPECTRUM (NPS)
6.3.3 Determination of the MODULATION TRANSFER FUNCTION (MTF)
7 Format of conformance statement
8 Accuracy
Annex A (informative) Determination of LAG EFFECTS
Annex B (informative) Calculation of the input NOISE POWER SPECTRUM
Bibliography
Index of defined terms
Annex ZA (normative) Normative references to international
publications with their corresponding European publications
Annex ZZ (informative) Coverage of Essential Requirements of EC
Directives
Defines the method for the determination of the DETECTIVE QUANTUM EFFICIENCY (DQE) of DIGITAL X-RAY IMAGING DEVICES as a function of AIR KERMA and of SPATIAL FREQUENCY for the working conditions in the range of the medical application as specified by the MANUFACTURER.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
80
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Standards | Relationship |
| IEC 62220-1-3:2008 | Identical |
| EN 62220-1-3:2008 | Identical |
| ISO 12232:2006 | Photography Digital still cameras Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index |
| IEC 60336:2005 | Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots |
| ISO 15529:2010 | Optics and photonics Optical transfer function Principles of measurement of modulation transfer function (MTF) of sampled imaging systems |
| EN 61267:2006 | Medical diagnostic X-ray equipment - Radiation conditions for use in the determination of characteristics |
| ISO/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| IEC TR 60788:2004 | Medical electrical equipment - Glossary of defined terms |
| IEC 62220-1-2:2007 | Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1-2: Determination of the detective quantum efficiency - Detectors used in mammography |
| IEC 62220-1:2003 | Medical electrical equipment - Characteristics of digital X-ray imaging devices - Part 1: Determination of the detective quantum efficiency |
| ISO 12233:2017 | Photography — Electronic still picture imaging — Resolution and spatial frequency responses |
| EN 60336:2005 | Medical electrical equipment - X-ray tube assemblies for medical diagnosis - Characteristics of focal spots |
| IEC 61262-5:1994 | Medical electrical equipment - Characteristics of electro-optical X-ray image intensifiers - Part 5: Determination of the detective quantum efficiency |
| IEC 61267:2005 | Medical diagnostic X-ray equipment - Radiation conditions for use in the determination of characteristics |
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