ITU T.22:1993
ITU T.22:1993 Standardized Test Charts For Document Facsimile Transmissions
Table of Contents
AnnexA-Descriptionofthestandardizeddocumentfacsimiletestcharts
A.1Dimensionsofthetestcharts
A.2TestchartNo.4-Black-whitefacsimiletest
chartBW01
Patterndescriptions
A.2.1Pattern1-ITU-Tborderof4scales(between
arrowheads)withinchandmillimetermarkings
A.2.3Pattern3-Fourpatternsoftruncatedfan-type
multiple-linepatternwithlowtaperrate
A.2.4Pattern4-GurleytypePestrecovstarpattern
withcirclesof50,100and200linesper25.4mm
A.2.5Pattern5-Alternatingblackandwhitelines
A.2.6Pattern6-Black-whitebarpatterns
A.2.7Pattern7-Isolatedblackandwhitelines
A.2.8Pattern8-NISTtyperesolutionpattern
A.2.9Pattern9-Taperedisolatedblackandwhite
linepatternswiththelinewidthcalibratedin
micronsorinches
A.2.10Pattern10-Black-whitebarpatternof5black
pluswhitebarsper25.4mm
A.2.11Pattern11-Parallellinesinclinedat5degrees
fromvertical
A.2.12Pattern12-NISTtyperesolutionpattern
A.2.13Pattern13-Diagonallineforchecking
irregularitiesinverticalpitch
A.2.14Pattern14-ISOcharacterhexagonalline
patternsforreadabilitytesting
A.2.15Pattern15-Halftonedotscreensof10,50and
90percentblack
A.2.16Pattern16-Linecrossingpattern
A.2.17Pattern17-TextinEnglish,Arabic,Chinese,
Russian,SpanishandFrench.Englishtextisin
12,10,8,6,4and2pointsizes
A.3TestChartNo.5-Continuoustonefacsimiletest
chartCT01
Patterndescriptions
A.3.1Pattern1-Acontinuous(stepless)densitywedge
A.3.2Pattern2-Areverseofthecontinuouswedgeof
Pattern1
A.3.3Pattern3-A48-stepdensitytablet
A.3.4Pattern4-Asetof16horizontalgrayscale
strips
A.3.5Pattern5-Anarchitecturalphotoshowingfine
detail
A.3.6Pattern6-Portrait