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JJF 1746-2019 English PDF

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JJF 1746-2019: Calibration Specification for Medical Imaging Diagnosis Display Systems
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Basic data

Standard ID JJF 1746-2019 (JJF1746-2019)
Description (Translated English) Calibration Specification for Medical Imaging Diagnosis Display Systems
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A50
Classification of International Standard 17.020
Word Count Estimation 25,295
Date of Issue 2019
Date of Implementation 2019-12-27
Issuing agency(ies) State Administration for Market Regulation

JJF 1746-2019: Calibration Specification for Medical Imaging Diagnosis Display Systems

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Medical imaging diagnostic display system calibration specifications) National Metrology Technical Specifications of the People's Republic of China Calibration specification for medical imaging diagnostic display system 2019-09-27 released 2019-12-27 Implementation Issued by the State Administration for Market Regulation Medical imaging diagnostic display System calibration specification Focal point. National Medical Metrology Technical Committee Drafting unit. China Institute of Metrology Jiangsu Institute of Metrology Nanjing Jusha Display Technology Co., Ltd. EIZO Imaging Technology (Suzhou) Co., Ltd. This specification entrusts the National Medical Metrology Technical Committee to interpret Drafters of this specification. Zhang Pu (China Institute of Metrology) Li Jiao (China Institute of Metrology) Jiang Weiping (Jiangsu Institute of Metrology) Li Chengwei (China Institute of Metrology) Yao Shaowei (Jiangsu Institute of Metrology) Wang Wei (Nanjing Jusha Display Technology Co., Ltd.) Li Luwei (EIZO Imaging Technology (Suzhou) Co., Ltd.)

table of Contents

Introduction (Ⅲ) 1 scope (1) 2 Reference documents (1) 3 Terms and measurement units (1) 3.1 Video display (1) 3.2 Medical imaging diagnostic display system (1) 3.3 [Light] Brightness(1) 3.4 Maximum brightness (1) 3.5 Minimum brightness (2) 3.6 Luminance ratio (2) 3.7 Chroma(2) 3.8 Digital drive level(2) 3.9 Characteristic curve (2) 3.10 Grayscale standard display function (2) 3.11 JND (2) 3.12 JND sequence (2) 3.13 Comparative response (2) 3.14 Viewable angle(2) 4 Overview (2) 5 Measurement characteristics (2) 5.1 Maximum brightness (2) 5.2 Luminance ratio (2) 5.3 Brightness uniformity (3) 5.4 Chromaticity deviation (3) 5.5 Comparative response (3) 5.6 Viewing angle(3) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 Measurement standards and other equipment (3) 7 Calibration items and calibration methods (3) 7.1 Appearance and functional inspection (3) 7.2 Maximum brightness (4) 7.3 Luminance ratio (4) 7.4 Brightness uniformity (4) 7.5 Chromaticity deviation(5) 7.6 Comparative response (6) 7.7 Visual angle(8) 8 Calibration result expression (8) 8.1 Calibration record (8) 8.2 Processing of calibration results (8) 9 Recheck interval (9) Appendix A Original Record (Recommended) Format of Calibration of Medical Imaging Diagnostic Display System (10) Appendix B Internal page of calibration certificate (recommended) format style (14) Appendix C Examples of Uncertainty Evaluation of Maximum Luminance Calibration Results (16) Appendix D Example of Uncertainty Evaluation of Luminance Ratio Calibration Results (17)

Introduction

JJF 1071-2010 "Rules for the Compilation of National Metrology and Calibration Specifications", JJF 1001-2011 "General Metrology Terms and Definition" and JJF 1059.1-2012 "Evaluation and Expression of Measurement Uncertainty" together constitute the support for the formulation of this calibration specification Basic series of documents for work. This specification is released for the first time. Calibration specification for medical imaging diagnostic display system

1 Scope

This specification is applicable to grayscale display systems and color display systems for medical imaging diagnostic purposes such as radiology and MRI (Grayscale part) calibration.

2 Reference documents

This specification refers to the following documents. JJF 1032-2005 Terms and definitions of optical radiation measurement YY/T 0910.1-2013 Medical electrical equipment medical imaging display system Part 1.Evaluation method SJ/T 11292-2016 General Specification for Liquid Crystal Displays for Computers DICOM-14 gray scale standard display function [DigitalImagingandCommunicationsinMedicine (DICOM)Part 14.GrayscaleStandardDisplayFunction] AAPMReportNo.03.2005 Medical Image System Display Performance Evaluation (Assessment of Display PerformanceforMedicalImagingSystems) JESRAX-0093*B.2017 Medical Image Display System Quality Assurance Guidelines [QualityAssurance (QA)GuidelineforMedicalImagingDisplaySystems] DIN6868-157-2014 X-ray diagnostic image quality assurance Part 157.X-ray images in the environment Display system compliance and stability test regulations (ImagequalityassuranceindiagnosticX-raydepart- ments-Part 157.X-rayordinanceacceptanceandconstancytestofimagedisplay systemsintheirenvironment) ISO 11664-1.2007 Colorimetry Method Part 1.CIE Standard Colorimetry Observer (Colorimetry- Part 1.CIEstandardcolorimetricobservers) For dated reference documents, only the dated version applies to this specification; for undated references The latest version (including all amendments) is applicable to this specification.

3 Terms and units of measurement

3.1 Image display imagedisplaydevice Special hardware/medium used to display images through analog or digital interfaces. 3.2 Medical imaging diagnosis display system medicalimagingdiagnosisdisplaysystem It consists of an image display, a display controller, and computer hardware and software, and is used for display images for medical diagnostic purposes. Like a workstation. 3.3 [Light] brightness The luminous flux entering the surface area in the specified direction and the illuminated solid angle and the plane perpendicular to the viewing direction The ratio of the product of the projection of the surface area, in candela per square meter (cd/m2). 3.4 maximumluminance maximumluminance

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