{"id":340644,"date":"2024-10-19T23:52:09","date_gmt":"2024-10-19T23:52:09","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-20462-32012\/"},"modified":"2024-10-25T23:02:31","modified_gmt":"2024-10-25T23:02:31","slug":"bs-iso-20462-32012","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-20462-32012\/","title":{"rendered":"BS ISO 20462-3:2012"},"content":{"rendered":"

This part of ISO 20462 specifies:<\/p>\n

    \n
  1. \n

    the nature of a quality ruler;<\/p>\n<\/li>\n

  2. \n

    hardcopy and softcopy implementations of quality rulers;<\/p>\n<\/li>\n

  3. \n

    how quality rulers may be generated or obtained; and<\/p>\n<\/li>\n

  4. \n

    the standard quality scale (SQS), a fixed numerical scale that may be measured using quality rulers.<\/p>\n<\/li>\n<\/ol>\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
    PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
    3<\/td>\nCVP_Secretariat_Loca <\/td>\n<\/tr>\n
    6<\/td>\nForeword <\/td>\n<\/tr>\n
    7<\/td>\nIntroduction <\/td>\n<\/tr>\n
    9<\/td>\n1\tScope
    2\tNormative references
    3\tTerms and definitions <\/td>\n<\/tr>\n
    13<\/td>\n4\tQuality ruler experiments
    4.1\tGeneral properties of quality rulers
    4.2\tExperimental conditions and reported results
    4.3\tAttributes varied in quality rulers <\/td>\n<\/tr>\n
    14<\/td>\n5\tHardcopy quality ruler implementation
    5.1\tPhysical apparatus <\/td>\n<\/tr>\n
    15<\/td>\n5.2\tReference stimuli <\/td>\n<\/tr>\n
    16<\/td>\n6\tSoftcopy quality ruler implementation
    6.1\tPhysical apparatus
    6.2\tReference stimuli
    6.3\tControlling software <\/td>\n<\/tr>\n
    17<\/td>\n7\tGeneration of quality ruler stimuli
    7.1\tGeneral requirements <\/td>\n<\/tr>\n
    18<\/td>\n7.2\tModulation transfer functions (MTFs) <\/td>\n<\/tr>\n
    19<\/td>\n7.3\tScene-dependent ruler calibration <\/td>\n<\/tr>\n
    20<\/td>\n8\tStandard quality scale (SQS) determinations
    8.1\tProperties of the SQS
    8.2\tExperimental requirements for measuring primary SQS1
    8.3\tExperimental requirements for measuring secondary SQS2 <\/td>\n<\/tr>\n
    21<\/td>\nAnnex\u00a0A
    \n(informative)<\/p>\n

    Sample instructions for a hardcopy quality ruler experiment <\/td>\n<\/tr>\n

    23<\/td>\nAnnex\u00a0B
    \n(informative)<\/p>\n

    Sample instructions for softcopy ruler experiments using
    \nbinary sort paired comparison <\/td>\n<\/tr>\n

    25<\/td>\nAnnex\u00a0C
    \n(informative)<\/p>\n

    Sample code of a binary search routine for the softcopy quality ruler <\/td>\n<\/tr>\n

    27<\/td>\nAnnex\u00a0D
    \n(informative)<\/p>\n

    Calibration of the standard quality scale (SQS) and its reference stimuli <\/td>\n<\/tr>\n

    29<\/td>\nAnnex\u00a0E
    \n(informative)<\/p>\n

    Example of results from quality ruler experiments <\/td>\n<\/tr>\n

    33<\/td>\nAnnex\u00a0F
    \n(informative)<\/p>\n

    Sample instructions for a softcopy ruler experiment
    \nusing slider bar matching <\/td>\n<\/tr>\n

    34<\/td>\nBibliography
    Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

    Photography. Psychophysical experimental methods for estimating image quality – Quality ruler method<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    BSI<\/b><\/a><\/td>\n2012<\/td>\n38<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":340653,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[712,2641],"product_tag":[],"class_list":{"0":"post-340644","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-37-040-01","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\/340644","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\/340653"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=340644"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=340644"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=340644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}