{"id":420694,"date":"2024-10-20T06:32:25","date_gmt":"2024-10-20T06:32:25","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-iec-tr-62977-3-22016-2\/"},"modified":"2024-10-26T12:14:14","modified_gmt":"2024-10-26T12:14:14","slug":"bsi-pd-iec-tr-62977-3-22016-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-iec-tr-62977-3-22016-2\/","title":{"rendered":"BSI PD IEC\/TR 62977-3-2:2016"},"content":{"rendered":"

This part of IEC 62977, which is a Technical Report, provides an optical measuring method of mura for electronic displays. It defines general measuring procedures for mura measurement and an evaluation method of electronic displays.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
6<\/td>\nFOREWORD <\/td>\n<\/tr>\n
8<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
10<\/td>\n4 Standard measuring conditions
4.1 Standard measuring conditions
4.1.1 Standard measuring environmental conditions
4.1.2 Standard measuring darkroom conditions
4.2 Light measuring device (LMD) <\/td>\n<\/tr>\n
11<\/td>\n4.3 Measuring setup
4.4 Test signal
Figures
Figure 1 \u2013 Measuring layout
Tables
Table 1 \u2013 Example of reported criteria of two-dimensional LMD <\/td>\n<\/tr>\n
12<\/td>\n4.5 Measuring conditions
5 Standard evaluation method
5.1 Measurement data processing method
5.2 Measurement data processing flow
5.2.1 General
Figure 2 \u2013 Example of input signal <\/td>\n<\/tr>\n
13<\/td>\n5.2.2 Median filter process
Figure 3 \u2013 Measurement data processing flow adopting the S-CIELAB model <\/td>\n<\/tr>\n
14<\/td>\n5.2.3 Transformation to opponent colour space from CIE XYZ
5.2.4 Convolution with the contrast sensitivity function (CSF) of the human visual system
5.2.5 Transformation to CIE XYZ from the opponent colour space
5.2.6 Transformation to CIELAB from CIE XYZ <\/td>\n<\/tr>\n
15<\/td>\n5.2.7 a* correction
5.3 Mura evaluation method
5.3.1 General
5.3.2 Lightness mura evaluation <\/td>\n<\/tr>\n
16<\/td>\nFigure 4 \u2013 Concept diagram of real-space information integration <\/td>\n<\/tr>\n
17<\/td>\n5.3.3 Chroma mura evaluation
Figure 5 \u2013 3 x 3 neighbourhood domain <\/td>\n<\/tr>\n
18<\/td>\n5.3.4 Mura evaluation
5.3.5 Measurement report
Table 2 \u2013 Example of measurement results for a display screen uniformity <\/td>\n<\/tr>\n
19<\/td>\n6 Actual example
6.1 General
6.2 Evaluation objects
6.3 Subjective evaluation
Figure 6 \u2013 Evaluation objects in a dark room
Table 3 \u2013 ITU-R quality and impairment scales <\/td>\n<\/tr>\n
20<\/td>\n6.4 Evaluation by the method indicated inthis document using apparatus
Figure 7 \u2013 CSF filter images in opponent colour space
Table 4 \u2013 Subjective evaluation results <\/td>\n<\/tr>\n
21<\/td>\n6.5 Correlation between subjective evaluation and mura evaluation value
Figure 8 \u2013 Correlation of mura evaluation value and ITU-R subjective evaluation values
Table 5 \u2013 Evaluation results by apparatus <\/td>\n<\/tr>\n
22<\/td>\nAnnex A (informative) S-CIELAB model
A.1 General
A.2 S-CIELAB model
A.3 Spatial sensitivity function model (two-dimensional CSF model)
Figure A.1 \u2013 Flowchart of S-CIELAB calculation <\/td>\n<\/tr>\n
23<\/td>\nFigure A.2 \u2013 Two-dimensional CSF model
Table A.1 \u2013 Parameters for each axis of the opponent colour space <\/td>\n<\/tr>\n
25<\/td>\nFigure A.3 \u2013 Examples of the convolution of a two-dimensional CSF filter for illusion <\/td>\n<\/tr>\n
26<\/td>\nAnnex B (informative) Type of mura
B.1 General
B.2 Classification of mura <\/td>\n<\/tr>\n
27<\/td>\nFigure B.1 \u2013 Classification of mura by forms and\/or causes <\/td>\n<\/tr>\n
28<\/td>\nAnnex C (informative) Use case of a mura evaluation value
C.1 General
C.2 Example of a use case of a mura evaluation value
Table C.1 \u2013 Example of a use case of a mura evaluation value
Table C.2 \u2013 Example of subjects to evaluate <\/td>\n<\/tr>\n
29<\/td>\nAnnex D (informative) Various mura measurement methods
D.1 General
D.2 Comparison of mura evaluation standards
Table D.1 \u2013 Comparison chart of various mura measurement standards <\/td>\n<\/tr>\n
30<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Electronic display devices – Evaluation of optical characteristics. Mura<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2016<\/td>\n32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":420700,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-420694","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/420694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/420700"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=420694"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=420694"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=420694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}