VQEG的高清電視測試計劃課件

1、難得糊涂是一種境界，心平如境是一種修養(yǎng)12/9/20229:52:53PM21:52:5309-12月-22

。12月-2212月-222、順其自然是一種超脫，威武不屈是一種品格。

12/9/20229:52PM12/9/20229:52PM12月-2212月-22

21:52:5321:52Dec-2209-Dec-224、富貴不淫是一種情操，常笑就是健康，快樂成就人生。21:52:5321:52:5321:52Friday,December9,20225、積極向上的心態(tài)，是成功者的最基本要素。12月-2212月-2221:52:5321:52:53December9,20226、

人言紛雜，保持自我；工作勤奮，娛樂適度。09十二月20229:52:53下午21:52:5312月-227、積極的人在每一次憂患中都看到一個機會。十二月229:52下午12月-2221:52December9,20228、業(yè)余生活要有意義，不要越軌。2022/12/921:52:5321:52:5309December20229、

12/9/20229:52:53PM21:52:5309-12月-22

。9:52:53下午9:52下午21:52:5312月-2210、上帝說愛情需要緣份，兩個命中注定相愛的人。12/9/20229:52:53PM21:52:5309-12月-2211、愛已欠費，情已停機，緣分不在服務區(qū)。12/9/20229:52PM12/9/20229:52PM12月-2212月-22VQEG的高清電視測試計劃(PPT40頁)1、難得糊涂是一種境界，心平如境是一種修養(yǎng)12/9/20221TheVQEGHDTVTestPlanTheVQEGHDTVTestPlan3OutlineIntroduction:SettingthestageHDTVSourceScenesandHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts3OutlineIntroduction:Setting4HDisnolongerthefuture.Itisthepresent!“NBCwillupgradetherestofthenetwork'stop-ratedlate-nightlineupintoHDTVin2005”“TheFoxnetworkisbetterpreparedtheneverforitshi-defbroadcastofSuperBowlXXXIX.”“Theswankyfutureofhotelsisabig-screenHDTVset.”“2005wouldbetheyearofhighdefinitionvideoandTV”“ShipmentsofHighDefinitiontelevisionsandset-topboxesaregainingmomentum”“HDTVcontentisincreasingrapidly”4HDisnolongerthefuture.I5HDstudioworkflowsaremainstream“Adobe,HP,Intel,Microsoft,andDellhavejoinedtogethertodeliveralineofopen,scalable,certifieddesktopHDVandHDsolutionstodeliveroptimalperformanceatapricepointthatisunbeatabletoday.”“JVC'sProHDinitiativerepresentsaneconomicalsolutiontogettingthestationsintotheHDproductionbusiness.Thecompanyhasproductstohelpwiththistransitionontwofronts.”5HDstudioworkflowsaremains6ContentacquisitionisaffordablePanasonic:TheAG-HVX200DVCPROHDP2representsthecompany'sfirstHDsolid-statehandheldcamcorder.TheAG-HVX200hastwocardslotsandrecordsin1080/60i,30pand24p;720/60p,30pand24p;andDVCPRO50,DVCPROorDV.Italsorecords480iand480ponMini-DVtapefromabuilt-indrive.AG-HVX200willcomeavailableinthefallforabout$5,995.AlecShapiro,seniorvicepresidentofSonyElectronics'BroadcastandProductionSystemsDivision,toutedtheacceptanceSony'sHDC-10001080PcameraandtheXDCAMtapelessacquisitionsystemhavefoundintheindustry.Inthehigh-endHDproductionarena,ShapironotedtheSony'sHDCAMformatisusedbyvirtually100percentofthenetworksitcomsproducedintheUnitedStates.

6Contentacquisitionisafford7VieweradoptionisacceleratingMaxent(tm),announcedtheavailabilityofitsvalue-priced,high-performance26-inchWXGALCDDisplaythroughCostcoWholesalestoresnationwideataretailpriceof$1,199.HDTVskeepgettingmoreaffordable.Olevia'snew32-inchLCDHDTVhasalotoftherightingredientsforagoodlow-costHDTV.10mhomesaroundtheworldwerewatchingHDTVprogrammingonahigh-definitionTVset,accordingtoresearchfrommarketanalystsIn-Stat.Bytheendof2005,theworldwidetotaloftheseHDTVservicehouseholdsisprojectedtoreach15.5m.By2009,HDTVhouseholdsworldwideareforecasttoreach52m.HDTVservicesarecurrentlywidelyavailableinfivecountries:Australia,Canada,Japan,theUnitedStates,andSouthKorea.Nearlyhalfofallconsumersplantomaketheirnexttelevisionpurchaseahigh-definition(HDTV)televisionset,accordingtotheCEA.7Vieweradoptionisaccelerati8TechnologybuildingblocksareinplaceBritishSkyBroadcasting(BSkyB)hasselectedThomsonasitsprimaryHDdecodersettopsupplierasitpreparestorolloutanewdigitalHDTVservicein2006.ThecompanywilluseH.264-basedadvancedvideocodingforitsHDservice.RoyalPhilipsElectronicstodayunveiledaHigh-DefinitionMultimediaInterface?(HDMI?)receiverintegratedcircuit(IC),theTDA9975A,tomeetconsumerdemandsforsuperiorimagequalityinnext-generationTVs.Thesinglecabledigitalmultimediasolutionhasarrived.High-DefinitionvideoandaudiocapabilityquietlyrolledintotheNZhomeentertainmentmarketinthelead-uptoChristmas,withthereleaseofanumberofDVDplayers,projectorsandTVsetsfromvariousmanufacturersfeaturingthenewHigh-DefinitionMultimediaInterface(HDMITM)connectivitystandard.8Technologybuildingblocksar9DifferentiationbasedonqualityisthenextstepOnHD.TVhasgeneratedinternationalattentionforourlistofthe10celebritieswholookbetterorworseincrystal-clearHigh-DefinitionTV.ThelisthasbeenfeaturedinsuchpublicationsasTheChicagoTribune,TheNationalEnquirer,TheNewYork

PostandTVshowssuchasInsideEditionandTheFoxReportWithShepardSmith.Drivingmuchofthecompany'sgrowthistheworldwidemovetoHDproduction,andThomsonhasproductsfortheacquisition,editinganddistributionofbothSDandHDcontent.Thetopofthecompany'slineintermsofimagequalityisitsViperFilmStreamdigitalcinemacamera.9Differentiationbasedonqual10HencetheneedforstandardizedmetricsToverifyandmakecredibleclaimsToobjectivelyvalidatethepromisedmediaexperience10Hencetheneedforstandardi11OutlineIntroduction:SettingthestageHDTVSourceScenesandHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts11OutlineIntroduction:Setting12HDlandscapetodayBroadcastHead-endSet-topBoxDTHSatelliteCableDistributionIPTV12HDlandscapetodayBroadcastS13ContentacquisitionQuality:Consumer($6K),Professional($50K),Studio($110K)camerasinuse.Storage:HDV,HDCAM,DVCPRO-HDdecksareprevalent.FrameRate:24p,29.97i,30i,59.94p,60p.FrameSize:1920x1080(1080p),1920x540(1080i),1280x720(720p).13ContentacquisitionQuality:14SourceScenes-CopyrightCopyrightIssuesPublicDomainShotbyVQEGMembers(putintopublicdomainorapprovedforunlimitedresearchuse)Purchasedspecificallyfortesting(e.g.,VClips)Proposal:Allscenesmusthavenon-expiringuseclauseforVQEGtestingandbeobtainablebyanyinterestedparty14SourceScenes-CopyrightCop15SourceScenes-QualityFormats?Camera/recordingquality?Uncompressed?Mildlycompressed?ProfessionalConsumer(e.g.,SonyHVR-Z1U)?Allowingsomepercentageoflowergradematerialwillgreatlyincreaseavailablesources15SourceScenes-QualityForma16SourceScenes-CharacteristicsMotion?Detail?Color?Sizeofsourcescenepool?Percentunknowntoproponents?16SourceScenes-Characterist17HRCCharacteristicsBit-rates?Coder/decoders?Errorconditions?Pre/postprocessing?Percentunknowntoproponents?17HRCCharacteristicsBit-rates18CompressionTechnologies:MPEG4-AVC,MPEG2,VC-1,DVcompression.Bitrate:8Mbps–25MbpsRateControl:Variableandconstant.RateConversion:3:2pulldown.18CompressionTechnologies:MPE19TransmissionTechnologies:Satellite,Cable,IPPacketloss:0-25%19TransmissionTechnologies:Sa20Decodeanddisplayprocessing3:2pulldownImageenhancementDe-interlacingScaling20Decodeanddisplayprocessin21DisplayConditionsShouldwetestmanytypesofvideodisplaysorshouldweuseahighquality“transparent”videodisplay?Whatcombinationsofdisplaytypesandvideoformatsshouldbetested?21DisplayConditionsShouldwe22DisplaytechnologiesBroadcastCRTRearprojectionLCDPlasmaProjectors22DisplaytechnologiesBroadcas23HRCvectorsataglanceContentacquisition:CapturequalityStorageformatFramerateFramesizeCompression:CodingtechnologyBitrateRatecontrolRateconversionTransmission:TechnologyPacketlossDecodeanddisplayProcessing:3:2pulldownImageenhancementDe-interlacingScalingDisplay:BroadcastCRTRearProjectionLCDPlasmaProjectors23HRCvectorsataglanceConte24OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts24OutlineIntroduction:Setting25TestmethodsSubjectivetestingSequenceprocessing25TestmethodsSubjectivetesti26SubjectiveMethodologyWhatsubjectivetestingmethodologyshouldweuse?Double/singlestimulus?Explicit/hiddenreference?Continuous/discreteassessment?26SubjectiveMethodologyWhats27SubjectivetestingDoubleStimulusImpairmentScale4timespictureheightforallHDformatsDifferentdisplaytechnologies24subjectspertestwith:20/20visualacuitywithorwithouteyeglassesNormalcolorvisionFamiliaritywiththelanguageNoaudioSubjectsscreenedperBT.500Subjectsrejectediffailedvotes>1inonesession.27SubjectivetestingDoubleSti28Sequenceprocessing1080p,1080iand720pformats.Noup-samplingordown-sampling.28Sequenceprocessing1080p,1029OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts29OutlineIntroduction:Setting30KeyChallengesHDContentReliableHDplaybackforsubjectivetestingInvestmentsrequiredforHDtestingToolsforHRCerrorinjectionReferencedisplayprocessingalgorithmsSelectionofbackchannelbandwidthforHD30KeyChallengesHDContent31OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts31OutlineIntroduction:Setting32Step1:SubjectivetestingSelectsequencesandrunasubjectivetesttogetMOSresults.Includeasmanydisplaytechnologiesaspossible.MakesureavarietyofHRCsareusedforthetestsequences.Compileresultsfrommultiplelabstogetaconsolidatedscoreforthesequences.32Step1:SubjectivetestingSe33Step2:EvaluationofexistingmodelsRunthroughexisting(alreadysubmitted)modelsthroughthesamesequences.Followprocedureandrulesforcalibrationinthetestplan.Includefullreference,reducedreferenceandnoreferencemodelsinthetest.33Step2:Evaluationofexisti34Step3:ResultsanalysisandnextstepsAnalyzeobjectiveresultstogetacorrelationtothesubjectiveresults.Followevaluationmetricsinthetestplan.Decideonnextstepsbasedontheresults.Ifcorrelationsarehigh,wemayhaveamodelforHDTV.Ifcorrelationsarelow,proponentswillhaveatestsettotweaktheirmodels.34Step3:Resultsanalysisand35LabreadinesspollOfthelabsrepresentedhere:HowmanyofthemhaveHDplaybackcapability?Ofthosewhodon’thaveitnow,howmanyofthemareplanningtohavethiscapabilityinthenext3-6months.HowmanylabsarewillingtorunHDsubjectivetestsinthenext3months?35LabreadinesspollOfthelab36OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts36OutlineIntroduction:Setting37FinalthoughtsHDTVmetricsareinurgentneed.Weshouldtestexistingmodelsfortheircorrelationsbeforeseekingnewones.HDtestingishappeningnowinorganizations.Atimelystandardizedmetricwillhavethegreatestimpact.VQEGshouldcompletetestingtheexistingmodelsinthenext6months.37FinalthoughtsHDTVmetrics38NextstepsOfflinemeetingstocoordinateHDtestingactivities.Datefornextmeeting?Actionitemscapturedsofar:38NextstepsOfflinemeetings39CalibrationofmodelinputsPeakvideolevel+/-10%Blocklevel+/-10%Horizontalshift+/-1pixelVerticalshift+/-1lineHorizontalcropping<30pixelsVerticalcropping<20linesNohorizontalorverticalre-scalingTemporalalignment+/-1frameexcludingdropped/repeatedframesNovisiblechromadifferentialtimingNovisiblepicturejitter39CalibrationofmodelinputsP40ModelevaluationmetricsAttributes:PredictionaccuracyPredictionmonotonicityPredictionconsistencyMetrics:RootmeansquareerrorPearsonlinearcorrelationOutlierratio40ModelevaluationmetricsAttr41ResultsanalysisILGisresponsible41ResultsanalysisILGisrespo1、每一個成功者都有一個開始。勇于開始，才能找到成功的路。12月-2212月-22Friday,December9,20222、成功源于不懈的努力，人生最大的敵人是自己怯懦。21:52:5321:52:5321:5212/9/20229:52:53PM3、每天只看目標，別老想障礙。12月-2221:52:5321:52Dec-2209-Dec-224、寧愿辛苦一陣子，不要辛苦一輩子。21:52:5321:52:5321:52Friday,December9,20225、積極向上的心態(tài)，是成功者的最基本要素。12月-2212月-2221:52:5321:52:53December9,20226、生活總會給你另一個機會，這個機會叫明天。09十二月20229:52:53下午21:52:5312月-227、人生就像騎單車，想保持平衡就得往前走。十二月229:52下午12月-2221:52December9,20228、業(yè)余生活要有意義，不要越軌。2022/12/921:52:5321:52:5309December20229、我們必須在失敗中尋找勝利，在絕望中尋求希望。9:52:53下午9:52下午21:52:5312月-2210、一個人的夢想也許不值錢，但一個人的努力很值錢。12/9/20229:52:53PM21:52:5309-12月-2211、在真實的生命里，每樁偉業(yè)都由信心開始，并由信心跨出第一步。12/9/20229:52PM12/9/20229:52PM12月-2212月-22謝謝大家1、每一個成功者都有一個開始。勇于開始，才能找到成功的路。1421、每一個成功者都有一個開始。勇于開始，才能找到成功的路2022/12/921:52:5321:522、成功源于不懈的努力，人生最大的敵人是自己怯懦。21:52:5321:52:5321:5212/9/20229:52:53PM3、每天只看目標，別老想障礙Friday,December9,2022。12月-2221:52:5321:52Monday,July19,202109-Dec-224、寧愿辛苦一陣子，不要辛苦一輩子9:52:53下午。21:52:5321:52:5321:52Friday,December9,20225、積極向上的心態(tài)，是成功者的最基本要素21:52:53。12月-2212月-2221:52:5321:52:53December9,20226、生活總會給你另一個機會，12月-229:52:53PM9:52:53下午21:52:5312月-227、人生就像騎單車，想保持平衡就得往前走21:19:4812月-2221:52December9,20228、業(yè)余生活要有意義，不要越軌。2022/12/921:52:5321:52:5309December20229、我們必須在失敗中尋找勝利Friday,December9,202212月-2210、一個人的夢想也許不值錢，但一個人的努力很值錢。12/9/20229:52:53PM21:52:5309-12月-2211、在真實的生命里，每樁偉業(yè)都由信心開始，并由信心跨出第一步。12/9/20229:52PM12/9/20229:52PM12月-2212月-22謝謝大家1、每一個成功者都有一個開始。勇于開始，才能找到成功的路20431、難得糊涂是一種境界，心平如境是一種修養(yǎng)12/9/20229:52:53PM21:52:5309-12月-22

。12月-2212月-222、順其自然是一種超脫，威武不屈是一種品格。

12/9/20229:52PM12/9/20229:52PM12月-2212月-22

21:52:5321:52Dec-2209-Dec-224、富貴不淫是一種情操，常笑就是健康，快樂成就人生。21:52:5321:52:5321:52Friday,December9,20225、積極向上的心態(tài)，是成功者的最基本要素。12月-2212月-2221:52:5321:52:53December9,20226、

人言紛雜，保持自我；工作勤奮，娛樂適度。09十二月20229:52:53下午21:52:5312月-227、積極的人在每一次憂患中都看到一個機會。十二月229:52下午12月-2221:52December9,20228、業(yè)余生活要有意義，不要越軌。2022/12/921:52:5321:52:5309December20229、

12/9/20229:52:53PM21:52:5309-12月-22

。9:52:53下午9:52下午21:52:5312月-2210、上帝說愛情需要緣份，兩個命中注定相愛的人。12/9/20229:52:53PM21:52:5309-12月-2211、愛已欠費，情已停機，緣分不在服務區(qū)。12/9/20229:52PM12/9/20229:52PM12月-2212月-22VQEG的高清電視測試計劃(PPT40頁)1、難得糊涂是一種境界，心平如境是一種修養(yǎng)12/9/202244TheVQEGHDTVTestPlanTheVQEGHDTVTestPlan46OutlineIntroduction:SettingthestageHDTVSourceScenesandHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts3OutlineIntroduction:Setting47HDisnolongerthefuture.Itisthepresent!“NBCwillupgradetherestofthenetwork'stop-ratedlate-nightlineupintoHDTVin2005”“TheFoxnetworkisbetterpreparedtheneverforitshi-defbroadcastofSuperBowlXXXIX.”“Theswankyfutureofhotelsisabig-screenHDTVset.”“2005wouldbetheyearofhighdefinitionvideoandTV”“ShipmentsofHighDefinitiontelevisionsandset-topboxesaregainingmomentum”“HDTVcontentisincreasingrapidly”4HDisnolongerthefuture.I48HDstudioworkflowsaremainstream“Adobe,HP,Intel,Microsoft,andDellhavejoinedtogethertodeliveralineofopen,scalable,certifieddesktopHDVandHDsolutionstodeliveroptimalperformanceatapricepointthatisunbeatabletoday.”“JVC'sProHDinitiativerepresentsaneconomicalsolutiontogettingthestationsintotheHDproductionbusiness.Thecompanyhasproductstohelpwiththistransitionontwofronts.”5HDstudioworkflowsaremains49ContentacquisitionisaffordablePanasonic:TheAG-HVX200DVCPROHDP2representsthecompany'sfirstHDsolid-statehandheldcamcorder.TheAG-HVX200hastwocardslotsandrecordsin1080/60i,30pand24p;720/60p,30pand24p;andDVCPRO50,DVCPROorDV.Italsorecords480iand480ponMini-DVtapefromabuilt-indrive.AG-HVX200willcomeavailableinthefallforabout$5,995.AlecShapiro,seniorvicepresidentofSonyElectronics'BroadcastandProductionSystemsDivision,toutedtheacceptanceSony'sHDC-10001080PcameraandtheXDCAMtapelessacquisitionsystemhavefoundintheindustry.Inthehigh-endHDproductionarena,ShapironotedtheSony'sHDCAMformatisusedbyvirtually100percentofthenetworksitcomsproducedintheUnitedStates.

6Contentacquisitionisafford50VieweradoptionisacceleratingMaxent(tm),announcedtheavailabilityofitsvalue-priced,high-performance26-inchWXGALCDDisplaythroughCostcoWholesalestoresnationwideataretailpriceof$1,199.HDTVskeepgettingmoreaffordable.Olevia'snew32-inchLCDHDTVhasalotoftherightingredientsforagoodlow-costHDTV.10mhomesaroundtheworldwerewatchingHDTVprogrammingonahigh-definitionTVset,accordingtoresearchfrommarketanalystsIn-Stat.Bytheendof2005,theworldwidetotaloftheseHDTVservicehouseholdsisprojectedtoreach15.5m.By2009,HDTVhouseholdsworldwideareforecasttoreach52m.HDTVservicesarecurrentlywidelyavailableinfivecountries:Australia,Canada,Japan,theUnitedStates,andSouthKorea.Nearlyhalfofallconsumersplantomaketheirnexttelevisionpurchaseahigh-definition(HDTV)televisionset,accordingtotheCEA.7Vieweradoptionisaccelerati51TechnologybuildingblocksareinplaceBritishSkyBroadcasting(BSkyB)hasselectedThomsonasitsprimaryHDdecodersettopsupplierasitpreparestorolloutanewdigitalHDTVservicein2006.ThecompanywilluseH.264-basedadvancedvideocodingforitsHDservice.RoyalPhilipsElectronicstodayunveiledaHigh-DefinitionMultimediaInterface?(HDMI?)receiverintegratedcircuit(IC),theTDA9975A,tomeetconsumerdemandsforsuperiorimagequalityinnext-generationTVs.Thesinglecabledigitalmultimediasolutionhasarrived.High-DefinitionvideoandaudiocapabilityquietlyrolledintotheNZhomeentertainmentmarketinthelead-uptoChristmas,withthereleaseofanumberofDVDplayers,projectorsandTVsetsfromvariousmanufacturersfeaturingthenewHigh-DefinitionMultimediaInterface(HDMITM)connectivitystandard.8Technologybuildingblocksar52DifferentiationbasedonqualityisthenextstepOnHD.TVhasgeneratedinternationalattentionforourlistofthe10celebritieswholookbetterorworseincrystal-clearHigh-DefinitionTV.ThelisthasbeenfeaturedinsuchpublicationsasTheChicagoTribune,TheNationalEnquirer,TheNewYork

PostandTVshowssuchasInsideEditionandTheFoxReportWithShepardSmith.Drivingmuchofthecompany'sgrowthistheworldwidemovetoHDproduction,andThomsonhasproductsfortheacquisition,editinganddistributionofbothSDandHDcontent.Thetopofthecompany'slineintermsofimagequalityisitsViperFilmStreamdigitalcinemacamera.9Differentiationbasedonqual53HencetheneedforstandardizedmetricsToverifyandmakecredibleclaimsToobjectivelyvalidatethepromisedmediaexperience10Hencetheneedforstandardi54OutlineIntroduction:SettingthestageHDTVSourceScenesandHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts11OutlineIntroduction:Setting55HDlandscapetodayBroadcastHead-endSet-topBoxDTHSatelliteCableDistributionIPTV12HDlandscapetodayBroadcastS56ContentacquisitionQuality:Consumer($6K),Professional($50K),Studio($110K)camerasinuse.Storage:HDV,HDCAM,DVCPRO-HDdecksareprevalent.FrameRate:24p,29.97i,30i,59.94p,60p.FrameSize:1920x1080(1080p),1920x540(1080i),1280x720(720p).13ContentacquisitionQuality:57SourceScenes-CopyrightCopyrightIssuesPublicDomainShotbyVQEGMembers(putintopublicdomainorapprovedforunlimitedresearchuse)Purchasedspecificallyfortesting(e.g.,VClips)Proposal:Allscenesmusthavenon-expiringuseclauseforVQEGtestingandbeobtainablebyanyinterestedparty14SourceScenes-CopyrightCop58SourceScenes-QualityFormats?Camera/recordingquality?Uncompressed?Mildlycompressed?ProfessionalConsumer(e.g.,SonyHVR-Z1U)?Allowingsomepercentageoflowergradematerialwillgreatlyincreaseavailablesources15SourceScenes-QualityForma59SourceScenes-CharacteristicsMotion?Detail?Color?Sizeofsourcescenepool?Percentunknowntoproponents?16SourceScenes-Characterist60HRCCharacteristicsBit-rates?Coder/decoders?Errorconditions?Pre/postprocessing?Percentunknowntoproponents?17HRCCharacteristicsBit-rates61CompressionTechnologies:MPEG4-AVC,MPEG2,VC-1,DVcompression.Bitrate:8Mbps–25MbpsRateControl:Variableandconstant.RateConversion:3:2pulldown.18CompressionTechnologies:MPE62TransmissionTechnologies:Satellite,Cable,IPPacketloss:0-25%19TransmissionTechnologies:Sa63Decodeanddisplayprocessing3:2pulldownImageenhancementDe-interlacingScaling20Decodeanddisplayprocessin64DisplayConditionsShouldwetestmanytypesofvideodisplaysorshouldweuseahighquality“transparent”videodisplay?Whatcombinationsofdisplaytypesandvideoformatsshouldbetested?21DisplayConditionsShouldwe65DisplaytechnologiesBroadcastCRTRearprojectionLCDPlasmaProjectors22DisplaytechnologiesBroadcas66HRCvectorsataglanceContentacquisition:CapturequalityStorageformatFramerateFramesizeCompression:CodingtechnologyBitrateRatecontrolRateconversionTransmission:TechnologyPacketlossDecodeanddisplayProcessing:3:2pulldownImageenhancementDe-interlacingScalingDisplay:BroadcastCRTRearProjectionLCDPlasmaProjectors23HRCvectorsataglanceConte67OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts24OutlineIntroduction:Setting68TestmethodsSubjectivetestingSequenceprocessing25TestmethodsSubjectivetesti69SubjectiveMethodologyWhatsubjectivetestingmethodologyshouldweuse?Double/singlestimulus?Explicit/hiddenreference?Continuous/discreteassessment?26SubjectiveMethodologyWhats70SubjectivetestingDoubleStimulusImpairmentScale4timespictureheightforallHDformatsDifferentdisplaytechnologies24subjectspertestwith:20/20visualacuitywithorwithouteyeglassesNormalcolorvisionFamiliaritywiththelanguageNoaudioSubjectsscreenedperBT.500Subjectsrejectediffailedvotes>1inonesession.27SubjectivetestingDoubleSti71Sequenceprocessing1080p,1080iand720pformats.Noup-samplingordown-sampling.28Sequenceprocessing1080p,1072OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts29OutlineIntroduction:Setting73KeyChallengesHDContentReliableHDplaybackforsubjectivetestingInvestmentsrequiredforHDtestingToolsforHRCerrorinjectionReferencedisplayprocessingalgorithmsSelectionofbackchannelbandwidthforHD30KeyChallengesHDContent74OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts31OutlineIntroduction:Setting75Step1:SubjectivetestingSelectsequencesandrunasubjectivetesttogetMOSresults.Includeasmanydisplaytechnologiesaspossible.MakesureavarietyofHRCsareusedforthetestsequences.Compileresultsfrommultiplelabstogetaconsolidatedscoreforthesequences.32Step1:SubjectivetestingSe76Step2:EvaluationofexistingmodelsRunthroughexisting(alreadysubmitted)modelsthroughthesamesequences.Followprocedureandrulesforcalibrationinthetestplan.Includefullreference,reducedreferenceandnoreferencemodelsinthetest.33Step2:Evaluationofexisti77Step3:ResultsanalysisandnextstepsAnalyzeobjectiveresultstogetacorrelationtothesubjectiveresults.Followevaluationmetricsinthetestplan.Decideonnextstepsbasedontheresults.Ifcorrelationsarehigh,wemayhaveamodelforHDTV.Ifcorrelationsarelow,proponentswillhaveatestsettotweaktheirmodels.34Step3:Resultsanalysisand78LabreadinesspollOfthelabsrepresentedhere:HowmanyofthemhaveHDplaybackcapability?Ofthosewhodon’thaveitnow,howmanyofthemareplanningtohavethiscapabilityinthenext3-6months.HowmanylabsarewillingtorunHDsubjectivetestsinthenext3months?35LabreadinesspollOfthelab79OutlineIntroduction:SettingthestageHDTVHRCsTestmethodologiesKeychallengesProposedVQEGapproachFinalthoughts36OutlineIntroduction:Setting80Finalthough