1、NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 611462 Premiredition Firstedition 199708 Camrasvido(PAL/SECAM/NTSC) Mthodesdemesure Partie2: Camrasprofessionnellesdeuxet troiscapteurs Videocameras(PAL/SECAM/NTSC) Methodsofmeasurement Part2: Twoandthreesensorprofessionalcameras Numroderfrence Ref
2、erencenumber CEI/IEC611462:1997Numrosdespublications Depuisle1erjanvier1997,lespublicationsdelaCEI sontnumrotespartirde60000. Publicationsconsolides Lesversionsconsolidesdecertainespublicationsde laCEIincorporantlesamendementssontdisponibles. Parexemple,lesnumrosddition1.0,1.1et1.2 indiquentrespecti
3、vementlapublicationdebase,la publicationdebaseincorporantlamendement1,etla publicationdebaseincorporantlesamendements1 et2. Validitdelaprsentepublication LecontenutechniquedespublicationsdelaCEIest constammentrevuparlaCEIafinquilreflteltat actueldelatechnique. Desrenseignementsrelatifsladatede recon
4、firmationdelapublicationsontdisponiblesdans leCataloguedelaCEI. Lesrenseignementsrelatifscesrvisions,ltablis sementdesditionsrvisesetauxamendements peuventtreobtenusauprsdesComitsnationauxde laCEIetdanslesdocumentscidessous: BulletindelaCEI AnnuairedelaCEI Accsenligne* CataloguedespublicationsdelaCE
5、I Publiannuellementetmisjourrgulirement (Accsenligne)* Terminologie,symbolesgraphiques etlittraux Encequiconcernelaterminologiegnrale,lelecteur sereporteralaCEI60050: VocabulaireElectro techniqueInternational (VEI). Pourlessymbolesgraphiques,lessymboleslittraux etlessignesdusagegnralapprouvsparlaCEI
6、,le lecteurconsulteralaCEI60027: Symboleslittraux utiliserenlectrotechnique,laCEI60417:Symboles graphiquesutilisablessurlematriel.Index,relevet compilationdesfeuillesindividuelles, etlaCEI60617: Symbolesgraphiquespourschmas. PublicationsdelaCEItabliespar lemmecomitdtudes Lattentiondulecteurestattire
7、surleslistesfigurant lafindecettepublication,quinumrentles publicationsdelaCEIprparesparlecomit dtudesquiatablilaprsentepublication. * Voiradressesitewebsurlapagedetitre. Numbering Asfromthe1stJanuary1997allIECpublicationsare issuedwithadesignationinthe60000series. Consolidatedpublications Consolida
8、tedversionsofsomeIECpublications includingamendmentsareavailable.Forexample, editionnumbers1.0,1.1and1.2refer,respectively,to thebasepublication,thebasepublication incorporatingamendment1andthebasepublication incorporatingamendments1and2. Validityofthispublication ThetechnicalcontentofIECpublication
9、siskeptunder constantreviewbytheIEC,thusensuringthatthe contentreflectscurrenttechnology. Informationrelatingtothedateofthereconfirmationof thepublicationisavailableintheIECcatalogue. Informationontherevisionwork,theissueofrevised editionsandamendmentsmaybeobtainedfrom IEC NationalCommitteesandfromt
10、hefollowing IECsources: IECBulletin IECYearbook Onlineaccess* CatalogueofIECpublications Publishedyearlywithregularupdates (Onlineaccess)* Terminology,graphicalandletter symbols Forgeneralterminology,readersarereferredto IEC60050:InternationalElectrotechnicalVocabulary (IEV). Forgraphicalsymbols,and
11、lettersymbolsandsigns approvedbytheIECforgeneraluse,readersare referredtopublicationsIEC60027: Lettersymbolsto beusedinelectricaltechnology ,IEC60417: Graphical symbolsforuseonequipment.Index,surveyand compilationofthesinglesheets andIEC60617: Graphicalsymbolsfordiagrams. IECpublicationspreparedbyth
12、esame technicalcommittee Theattentionofreadersisdrawntotheendpagesof thispublicationwhichlisttheIECpublicationsissued bythetechnicalcommitteewhichhaspreparedthe presentpublication. * Seewebsiteaddressontitlepage.NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 611462 Premiredition Firstedition 19
13、9708 Camrasvido(PAL/SECAM/NTSC) Mthodesdemesure Partie2: Camrasprofessionnellesdeuxet troiscapteurs Videocameras(PAL/SECAM/NTSC) Methodsofmeasurement Part2: Twoandthreesensorprofessionalcameras CommissionElectrotechniqueInternationale InternationalElectrotechnicalCommission Pourprix,voircatalogueenv
14、igueur Forprice,seecurrentcatalogue IEC1997Droitsdereproductionrservs Copyrightallrightsreserved Aucunepartiedecettepublicationnepeuttrereproduiteni utilisesous quelqueformequecesoitetparaucun procd,lectroniqueoumcanique,ycomprislaphoto copieetlesmicrofilms,sanslaccordcritdelditeur. Nopartofthispubl
15、icationmaybereproducedorut ilizedin anyformorbyanymeans,electronicormechanical, includingphotocopyingandmicrofilm,withoutpermissionin writingfromthepublisher. InternationalElectrotechnicalCommission 3,ruedeVarembGeneva,Switzerland Telefax:+41229190300 email:inmailiec.ch IECwebsitehttp:/www.iec.ch CO
16、DEPRIX PRICECODE X2 611462CEI:1997 SOMMAIRE Pages AVANTPROPOS 10 Articles 1 Gnralits . 12 1.1 Domainedapplication 12 1.2 Rfrencesnormatives 12 1.3 Conditions . 14 1.3.1 Conditionsdenvironnement . 14 1.3.2 Conditionsdemesures. 14 1.3.3 Niveauxdesortie . 16 2 Caractristiquesvido. 18 2.1 Sensibilit 18
17、2.1.1 Eclairagenominaldusujet . 18 2.1.2 Sensibilitnominale(autremthode) 22 2.1.3 Eclairementminimaldusujet 24 2.2 Rsolution . 26 2.2.1 Profondeurdemodulation 26 2.2.2 Rsolutionpratique 30 2.3 Rapportsignalsurbruit 30 2.3.1 Caractristiquesspcifier 30 2.3.2 Conditionsdemesure 32 2.3.3 Mthodedemesure
18、. 34 2.3.4 Prsentationdesrsultats 36 2.4 Dfautdetransition(streaking) 36 2.4.1 Caractristiquesspcifier 36 2.4.2 Conditionsdemesure 36 2.4.3 Mthodedemesure . 40 2.4.4 Prsentationdesrsultats 40 2.5 Caractristiquesdugammaetdelquilibragedelchelledesgris 40 2.5.1 Caractristiquesspcifier 40 2.5.2 Conditio
19、nsdemesure 42 2.5.3 Mthodedemesure . 42 2.5.4 Prsentationdesrsultats 44 2.6 Nonuniformitdelareproductiondelacouleuretdublanc 44 2.6.1 Caractristiquesspcifier 44 2.6.2 Conditionsdemesure 44 2.6.3 Mthodedemesure . 44 2.6.4 Prsentationdesrsultats 46611462IEC:1997 3 CONTENTS Page FOREWORD. 11 Clause 1 G
20、eneral. 13 1.1 Scope 13 1.2 Normativereferences. 13 1.3 Conditions . 15 1.3.1 Environmentalconditions . 15 1.3.2 Conditionsofmeasurements 15 1.3.3 Referenceoutputlevels 17 2 Videocharacteristics. 19 2.1 Sensitivity 19 2.1.1 Referencesubjectillumination 19 2.1.2 Referencesensitivity(alternativemethod
21、) 23 2.1.3 Minimumsubjectillumination 25 2.2 Resolution . 27 2.2.1 Modulationdepth 27 2.2.2 Commonresolution 31 2.3 Signaltonoiseratio. 31 2.3.1 Characteristicstobespecified 31 2.3.2 Measurementconditions 33 2.3.3 Methodofmeasurement. 35 2.3.4 Presentationofresults . 37 2.4 Waveformdistortions(strea
22、king) 37 2.4.1 Characteristicstobespecified 37 2.4.2 Measurementconditions 37 2.4.3 Methodofmeasurement. 41 2.4.4 Presentationofresults . 41 2.5 Gammaandwhitebalancetrackingcharacteristics. 41 2.5.1 Characteristicstobespecified 41 2.5.2 Measurementconditions 43 2.5.3 Methodofmeasurement. 43 2.5.4 Pr
23、esentationofresults . 45 2.6 Colourandwhitereproductionnonuniformity. 45 2.6.1 Characteristicstobespecified 45 2.6.2 Measurementconditions 45 2.6.3 Methodofmeasurement. 45 2.6.4 Presentationofresults . 474 611462CEI:1997 Articles Pages 2.7 Erreurdeneutralitdelatchedublanc 46 2.7.1 Caractristiquesspc
24、ifier 46 2.7.2 Conditionsdemesure 46 2.7.3 Mthodedemesure . 48 2.7.4 Prsentationdesrsultats 52 2.8 Nonuniformitdunoir . 52 2.8.1 Caractristiquesspcifier 52 2.8.2 Conditionsdemesure 52 2.8.3 Mthodedemesure . 52 2.8.4 Prsentationdesrsultats 52 2.9 Ecrtagedublancettauxdecompression . 52 2.9.1 Caractris
25、tiquesspcifier 52 2.9.2 Conditionsdemesure 54 2.9.3 Mthodedemesure . 54 2.9.4 Prsentationdesrsultats 54 2.10 Plagedynamiqueetplagedecontraste 54 2.10.1 Caractristiquesspcifier 54 2.10.2 Mthodedemesure . 54 2.10.3 Prsentationdesrsultats 56 2.11 Reproductiondescouleurs. 56 2.11.1 Caractristiquesspcifi
26、er 56 2.11.2 Conditionsdemesure 58 2.11.3 Mthodedemesure . 62 2.11.4 Calcul 62 2.11.5 Palettedchantillonsdecouleurdorigine 66 2.11.6 Prsentationdesrsultats 66 2.11.7 Camrapourlaquelleseulunsignalvidocompositeestdisponible . 66 2.12 Lumireparasite 66 2.12.1 Caractristiquesspcifier 68 2.12.2 Condition
27、sdemesure 68 2.12.3 Mthodedemesure . 70 2.12.4 Prsentationdesrsultats 70 3 Autresanomalies 70 3.1 Moirs . 70 3.1.1 PourlescamrasdisposantdesortiesR,V,B . 70 3.1.2 Pourlescamrasdisposantuniquementdunesortievidocomposite 72 3.2 Tranage 72 3.2.1 Conditionsdemesure 72 3.2.2 Mthodedemesure . 72 3.2.3 Prs
28、entationdesrsultats 72 3.3 Rmanence(mmoire). 72 3.3.1 Conditionsdemesure 72 3.3.2 Mthodedemesure . 72 3.3.3 Prsentationdesrsultats 72 3.4 Eblouissement . 74 3.4.1 Mthodedemesure . 74 3.4.2 Prsentationdesrsultats 74611462IEC:1997 5 Clause Page 2.7 Trackingerrorofwhiteshading 47 2.7.1 Characteristicst
29、obespecified 47 2.7.2 Measurementconditions 47 2.7.3 Methodofmeasurement. 49 2.7.4 Presentationofresults . 53 2.8 Blackshading 53 2.8.1 Characteristicstobespecified 53 2.8.2 Measurementconditions 53 2.8.3 Methodofmeasurement. 53 2.8.4 Presentationofresults . 53 2.9 Whiteclippingandcompressionrate 53
30、 2.9.1 Characteristicstobespecified 53 2.9.2 Measurementconditions 55 2.9.3 Methodofmeasurement. 55 2.9.4 Presentationofresults . 55 2.10 Dynamicrangeandcontrastrange . 55 2.10.1 Characteristicstobespecified 55 2.10.2 Methodofmeasurement. 55 2.10.3 Presentationofresults . 57 2.11 Colourreproduction
31、. 57 2.11.1 Characteristicstobespecified 57 2.11.2 Measurementconditions 59 2.11.3 Methodofmeasurement. 63 2.11.4 Calculation. 63 2.11.5 Originalcolourchipsamples 67 2.11.6 Presentationofresults . 67 2.11.7 Cameraforwhichonlyacompositevideosignalisavailable. 67 2.12 Flare 67 2.12.1 Characteristicsto
32、bespecified 69 2.12.2 Measurementconditions 69 2.12.3 Methodofmeasurement. 71 2.12.4 Presentationofresults . 71 3 Otheranomalies 71 3.1 Moires . 71 3.1.1 ForacamerawhichprovidesR,G,Boutputs . 71 3.1.2 Foracamerawhichprovidescompositevideooutputonly 73 3.2 Lag 73 3.2.1 Measurementconditions 73 3.2.2
33、Methodofmeasurement. 73 3.2.3 Presentationofresults . 73 3.3 Sticking(imageretention) 73 3.3.1 Measurementconditions 73 3.3.2 Methodofmeasurement. 73 3.3.3 Presentationofresults . 73 3.4 Blooming . 75 3.4.1 Methodofmeasurement. 75 3.4.2 Presentationofresults . 756 611462CEI:1997 Articles Pages 3.5 B
34、arreparasite(smearing) 74 3.5.1 Mthodedemesure . 74 3.5.2 Prsentationdesrsultats 76 3.6 Convergence . 76 3.6.1 Caractristiquesspcifier 76 3.6.2 Mthodedemesure . 76 3.6.3 Autremthodedemesure 82 3.7 Distorsionsgomtriques. 88 3.7.1 Mthodeconventionnelle 88 3.7.2 Autremthode . 88 Figures Figure1 Circuit
35、demesuredelasensibilit . 18 Figure2 Spcificationdelamiredessaidelchelledegris 20 Figure3 Circuitdemesurepourlamesuredersolution . 28 Figure4 Spcificationdesmiresdessaitransparentespourlamesuredela profondeurdemodulation 28 Figure5 Circuitdemesurepourlamesuredurapportsignalsurbruit 32 Figure6 Spcific
36、ationpourlamiredessaiparrflexiondestineauxmesures durapportsignalsurbruitetdelanonuniformitdublanc 34 Figure7 Circuitdemesuredeladistorsiondelaformedonde 38 Figure8 Spcificationrelativelamiredessaitransparentepourlamesuredu dfautdetransition . 38 Figure9 Exemplesdeformesdondes. 40 Figure10 Circuitde
37、mesuresdescaractristiquesdugammaetdelquilibrage delchelledegris,delareproductiondescouleursetdublanc,de lcrtagedublancetdutauxdecompression,etdelalumire parasite. 42 Figure11 Spcificationdurectangle . 46 Figure12 Circuitdemesuredelerreurdasservissementpourlanonuniformit dublanc 48 Figure13 Formedond
38、edelerreurdasservissementdelanonuniformitdu blanc. 50 Figure14 Circuitdemesurepourlareproductioncouleur 58 Figure15 Spcificationrelativeaupositionnementdeschantillonscouleurpour lamesuredelareproductioncouleur. 60 Figure16 Spcificationdelamiredessaipourlamesuredelalumireparasite globale(niveaumoyend
39、image=50%). 68 Figure17 Spcificationdelamiredessaipourlamesuredelalumireparasite locale(niveaumoyendimage=99%). 68 Figure18 Spcificationrelativelamiredessaitransparentepourlamesuredu brouillageoptiqueetdelblouissement 74 Figure19 Circuitdemesuredelaconvergence(parunemthode conventionnelle) 78 Figure
40、20 Spcificationdelamiredessairflchissantedemesuredela convergence(pourlamthodeconventionnelle) 80 Figure21 Dfinitiondespartiespourunemthodeconventionnelledemesurede laconvergence 82 Figure22 Dispositiondescircuitspourlautremthodedemesuredela convergence . 82611462IEC:1997 7 Clause Page 3.5 Smearing.
41、 75 3.5.1 Methodofmeasurement. 75 3.5.2 Presentationofresults . 77 3.6 Registration . 77 3.6.1 Characteristicstobespecified 77 3.6.2 Methodofmeasurement. 77 3.6.3 Alternativemethodofmeasurement . 83 3.7 Geometricdistortions. 89 3.7.1 Conventionalmethod 89 3.7.2 Alternativemethod . 89 Figures Figure1
42、 Equipmentarrangementformeasurementofsensitivity . 19 Figure2 Specificationofgreyscaletestchart . 21 Figure3 Equipmentarrangementformeasurementofresolution . 29 Figure4 Specificationofthetransparenttestchartsformeasurementof modulationdepth. 29 Figure5 Equipmentarrangementformeasurementofsignaltonoi
43、seratio 33 Figure6 Specificationofthereflectivetestchartformeasurementssignalto noiseratioandwhiteshading 35 Figure7 Equipmentarrangementformeasurementofwaveformdistortion 39 Figure8 Specificationofthetransparenttestchartformeasurementofstreaking 39 Figure9 Examplesofwaveforms 41 Figure10 Equipmentarrangementformeasurementofgammaandwhitebalance trackingcharacteristics,colourandwhitereproduction,whiteclipping andcompressionrate,andflare 43 Figure11 Specificationoftherectangle 47 Figure12 Equipmentarrangementformeasurementoftrackingerrorofwhite shad
