{"id":438912,"date":"2024-10-20T08:06:08","date_gmt":"2024-10-20T08:06:08","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iec-62220-2-12023\/"},"modified":"2024-10-26T15:10:57","modified_gmt":"2024-10-26T15:10:57","slug":"bs-iec-62220-2-12023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iec-62220-2-12023\/","title":{"rendered":"BS IEC 62220-2-1:2023"},"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\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
4<\/td>\nEnglish
CONTENTS <\/td>\n<\/tr>\n
5<\/td>\nFOREWORD <\/td>\n<\/tr>\n
7<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
8<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
9<\/td>\n4 Requirements
4.1 Operating conditions
4.2 X-RAY EQUIPMENT <\/td>\n<\/tr>\n
10<\/td>\n4.3 RADIATION QUALITY
4.4 TEST DEVICE
Figures
Figure 1 \u2013 Test device for the determination of the dual-energy contrast <\/td>\n<\/tr>\n
11<\/td>\n4.5 Geometry
4.6 Irradiation conditions
4.6.1 General conditions
Figure 2 \u2013 Geometry for all irradiations of the test device <\/td>\n<\/tr>\n
12<\/td>\n4.6.2 Irradiation for the determination of the dual-energy contrast
4.6.3 Air kerma measurement
5 Corrections of raw data <\/td>\n<\/tr>\n
13<\/td>\n6 Definitions of the regions of interest
7 Calculation of derived images
7.1 Calculation of high-energy and low-energy images
Figure 3 \u2013 Feature and background regions of interest defined about circular image of features <\/td>\n<\/tr>\n
14<\/td>\n7.2 Calculation of tissue-subtracted images <\/td>\n<\/tr>\n
15<\/td>\n8 Determination of the dual-energy subtraction efficiency
8.1 Definition and formula of the
8.2 Determination of the dual-energy contrast <\/td>\n<\/tr>\n
16<\/td>\n9 Format of conformance statement <\/td>\n<\/tr>\n
17<\/td>\nAnnex A (informative)Dual-energy subtraction efficiency interpretation
A.1 Metric description
Figure A.1 \u2013 Sample DSE, results for a simulated multi-exposure device <\/td>\n<\/tr>\n
18<\/td>\nA.2 Sample device comparisons <\/td>\n<\/tr>\n
19<\/td>\nFigure A.2 \u2013 Sample DSE, results for a simulated multi-exposure device at increasing scintillator thickness
Figure A.3 \u2013 Sample DSE, results for a simulated multi-exposure device at differing X\u2011ray tube voltage used for their high-energy irradiations <\/td>\n<\/tr>\n
20<\/td>\nFigure A.4 \u2013 Sample DSE, results for a simulated multi-exposure devices at increasing pixel pitch <\/td>\n<\/tr>\n
21<\/td>\nBibliography <\/td>\n<\/tr>\n
22<\/td>\nIndex of defined terms used in this particular standard <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Medical electrical equipment. Characteristics of digital X-ray imaging devices – Determination of dual-energy subtraction efficiency. Detectors used for dual-energy radiographic imaging<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":438921,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[142,2641],"product_tag":[],"class_list":{"0":"post-438912","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-11-040-50","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\/438912","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\/438921"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=438912"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=438912"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=438912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}