{"id":408334,"date":"2024-10-20T05:30:10","date_gmt":"2024-10-20T05:30:10","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iec-63145-21-202022\/"},"modified":"2024-10-26T10:00:39","modified_gmt":"2024-10-26T10:00:39","slug":"bs-iec-63145-21-202022","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iec-63145-21-202022\/","title":{"rendered":"BS IEC 63145-21-20:2022"},"content":{"rendered":"

PDF Catalog<\/h4>\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
2<\/td>\nundefined <\/td>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
5<\/td>\nFOREWORD <\/td>\n<\/tr>\n
7<\/td>\n1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions <\/td>\n<\/tr>\n
8<\/td>\n3.2 Abbreviated terms
4 Standard measurement conditions
5 Measurement systems
5.1 Standard coordinate system
5.2 Measurement equipment
5.2.1 2D imaging LMD
5.2.2 Stage conditions
5.2.3 Setup conditions <\/td>\n<\/tr>\n
9<\/td>\n5.3 Test patterns
5.3.1 General
5.3.2 Checkerboard pattern
5.3.3 4 % colour window signal patterns
Figures
Figure 1 \u2013 Example of 5 \u00d7 5 checkerboard pattern
Figure 2 \u2013 Example of 4 % white window signal pattern <\/td>\n<\/tr>\n
10<\/td>\n5.4 Measuring points
Figure 3 \u2013 Example of measuring points forthe centre and multi-point measurements <\/td>\n<\/tr>\n
11<\/td>\n6 Measurement methods for screen door effect
6.1 General
6.2 Preparations
Figure 4 \u2013 Example of measuring points in azimuth and elevation angles <\/td>\n<\/tr>\n
12<\/td>\n6.3 Measurement procedures
6.4 Calculation <\/td>\n<\/tr>\n
14<\/td>\n6.5 Report <\/td>\n<\/tr>\n
15<\/td>\nTable 1 \u2013 Example of report table <\/td>\n<\/tr>\n
16<\/td>\nAnnex A (informative)Moving window average (MWA) <\/td>\n<\/tr>\n
17<\/td>\nFigure A.1 \u2013 Example of pseudo code of MWA <\/td>\n<\/tr>\n
18<\/td>\nFigure A.2 \u2013 Example of MWA conversion of 2D luminance data (image) <\/td>\n<\/tr>\n
19<\/td>\nFigure A.3 \u2013 Example of the horizontal cross section <\/td>\n<\/tr>\n
20<\/td>\nAnnex B (informative)Contrast modulation and visibility
Figure B.1 \u2013 Example of MWA image and contrast modulation
Figure B.2 \u2013 Visibility under various spatial frequency and contrast <\/td>\n<\/tr>\n
21<\/td>\nAnnex C (informative)Examples of non rectangular pixel layout
Figure C.1 \u2013 Example of non rectangular pixel layout <\/td>\n<\/tr>\n
22<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Eyewear display – Specific measurement methods for VR image quality. Screen door effect<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2022<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":408342,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[277,2641],"product_tag":[],"class_list":{"0":"post-408334","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-17-180-99","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/408334","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\/408342"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=408334"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=408334"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=408334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}