BS ISO 18939:2013

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Imaging materials. Digital hard copy for medical imaging. Methods of measuring permanence

Published By	Publication Date	Number of Pages
BSI	2013	40

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Categories: 37.100.01 - Graphic technology in general, BSI

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Description

This International Standard establishes test methods for measuring the stability of photographic films intended for storage of medical records. It is applicable to greyscale images on films for use in transmission mode that are based on thermally processed materials (photothermography, thermography, microcapsule) or created by inkjet printing. Thermally processed materials have a base of safety polyester [poly (ethylene terephthalate)] and work predominantly with silver behenate salts dispersed in non-gelatinous emulsions or dye-based microcapsule emulsions that are thermally processed to produce a black-and-white image. In inkjet printing ink droplets are jetted onto a film with an ink-receiving layer to produce a greyscale image.

This International Standard does not cover wet-processed black-and-white films or black-and-white paper. It is not applicable to medical colour images or colour prints created by colour inkjet or dye diffusion thermal transfer (D2T2). Neither does it cover medical greyscale images printed on reflective materials for referral purposes or filmless systems such as picture archiving and communication systems (PACS) in medical imaging.

This International Standard requires the arbitrary choice of “illustrative end points” for changes in colour and perceived contrast to depict quantifiable changes due to physical ageing. Extrapolations based on ‘illustrative end points’ do not have any proven diagnostic or clinical relevance due to the lack of corresponding statistically significant scoring by radiologists.

PDF Catalog

PDF Pages	PDF Title
6	Foreword
7	Introduction
9	Section sec_1 Section sec_2 Section sec_3 Section sec_3.1 1 Scope 2 Normative references 3 Terms and definitions
10	Section sec_3.2 Section sec_3.3 Section sec_3.4 Section sec_3.5 Section sec_3.6 Section sec_3.7 Section sec_3.8
11	Section sec_3.9 Section sec_3.10 Section sec_3.11 Section sec_3.12 Section sec_3.13 Section sec_3.14 Section sec_3.15 Section sec_3.16 Section sec_3.17
12	Section sec_4 Section sec_4.1 Section sec_4.2 Section sec_4.2.1 Section sec_4.2.2 Section sec_4.2.2.1 Section sec_4.2.2.2 Section sec_4.2.2.3 Section sec_4.2.2.4 Section sec_4.2.2.5 4 Physical test methods 4.1 General 4.2 Layer adhesion
13	Section sec_4.2.3 Section sec_4.2.3.1 Section sec_4.2.3.2 Section sec_4.2.3.3 Section sec_4.2.3.3.1 Section sec_4.2.3.3.2
14	Section sec_4.2.4 Section sec_4.3 Section sec_4.3.1 Section sec_4.3.2 4.3 Binder stability test
15	Section sec_4.3.3 Section sec_4.3.4 Section sec_4.3.5 Section sec_4.4 Section sec_4.4.1 Section sec_4.4.2 Figure fig_1 4.4 Blocking test and image interaction test
16	Section sec_4.4.3 Figure fig_2
17	Section sec_4.4.4 Section sec_5 Section sec_5.1 Section sec_5.2 Section sec_5.2.1 5 Test methods for image stability 5.1 General 5.2 Thermal-ageing test (dark stability)
18	Section sec_5.2.2
19	Figure fig_3 Section sec_5.2.3
20	Section sec_5.2.4 Section sec_5.2.4.1 Table tab_1 Section sec_5.2.4.2 Section sec_5.2.4.3
21	Section sec_5.2.5 Section sec_5.2.6 Section sec_5.3 Section sec_5.3.1 Section sec_5.3.2 5.3 Light chamber test
22	Table tab_a Figure fig_4 Section sec_5.3.3
23	Section sec_5.3.4 Section sec_5.3.5
24	Section sec_5.3.6 Section sec_5.4 Section sec_5.4.1 Section sec_5.4.2 5.4 Image spread test
25	Figure fig_5 Section sec_5.4.3 Section sec_5.4.4
26	Section sec_5.4.5
27	Annex sec_A Annex A (informative) Light stability test conversion of units
28	Annex sec_B Annex B (informative) Effect of residual compounds on thermally processed radiographic images
29	Annex sec_C Annex C (informative) Simulated thermal ageing tests
30	Annex sec_D Annex sec_D.1 Annex D (informative) Greyscale evaluation based on just noticeable differences (JNDs) defined DICOM standard display function (SDF)
31	Annex sec_D.2
32	Figure fig_D.1
33	Figure fig_D.2 Figure fig_D.3
34	Annex sec_E Annex sec_E.1 Annex sec_E.2 Annex E (informative) CIE colour space parameters for evaluation of discolouration
35	Reference ref_1 Reference ref_2 Reference ref_3 Reference ref_4 Reference ref_5 Reference ref_6 Reference ref_7 Reference ref_8 Reference ref_9 Reference ref_10 Reference ref_11 Reference ref_12 Reference ref_13 Reference ref_14 Reference ref_15 Reference ref_16 Reference ref_17 Reference ref_18 Reference ref_19 Bibliography
36	Reference ref_20 Reference ref_21 Reference ref_22 Reference ref_23 Reference ref_24 Reference ref_25 Reference ref_26 Reference ref_27 Reference ref_28

Additional information

Status	Confirmed
Pages	40
Publication Date	2013-11-30
ISBN	978 0 580 79979 2
Standard Number	BS ISO 18939:2013
Title	Imaging materials. Digital hard copy for medical imaging. Methods of measuring permanence
Identical National Standard Of	ISO 18939:2013
Descriptors	Medical radiology, Medical technology, Phototherapy, Measurement, Radiology apparatus (medical)
Publisher	BSI
Committee	CPW/42
ICS Codes	37.100.01 - Graphic technology in general

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BS ISO 18939:2013

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