TI-内部培训资料Netra-HD-VPSS-Overview课件

NetraHD-VPSSArchitectureOverviewNetraHD-VPSSArchitectureOve1VideoProcessingisIncreasinglyImportantTransitionfromsmallmonitortobiggermonitorw/higherresolutionBiggermonitorstendtoamplifynoise/artifacts,makingthemmorenoticeablePicturestendtolookblurredathigherresolutionTransitionfromanalogtodigitalCompressionintroducesartifacts(ringingormosquitoartifacts,blockingartifacts,blurring)CompressionartifactsaremoreobjectionablethananalognoisetohumaneyesTransitionfromCRTmonitortoLCD/Plasma/DLPTVLCD/Plasma/DLPTVssupportprogressive-scanpicturesWiderGamutenablingmorecolortodisplay“Sampleandhold”timeofLCDismuchlongerthanCRTmonitor–leadingtomotionblurVideoProcessingisIncreasingTwoFunctionalitiesofVideoProcessingFormatconversion(tomatchtheinputpictureformattotherequiredoutputformat):Interlaced-scantoprogressive-scan(de-interlacing)Pictureresizing(includingaspectratiochange)ColorspaceconversionFramerateconversionImagequalityenhancement:LessnoiseLessartifactsSharperinspatialdomainSharperintemporaldomain(lessmotionblur)BettercontrastMorenatural/vivid/saturatedcolorTwoFunctionalitiesofVideoPOptimalFlexibleVideoProcessingSubsystemVideoDisplayProcessingVideoDisplayProcessingMultipleVideoOutputFormatsupportGraphicsProcessingCompositor/AlphaBlendingVideoInputProcessing

MultipleVideoInputSupportVideoInputNoiseFilteringEncoding&TranscodingSupportVideoDataProcessing(Noisefiltering,De-interlacing,Scaling,ColorSpaceConversion)(memoryextvidoutput)

(externalvidsrcmemory)

(memorymemory)

NetraintegrateshighvideodisplayprocessingIPinaflexiblemannerOptimizeforbothin-linedataflowforcaptureordisplayandmemory-to-memoryoptionOptimalFlexibleVideoProcessHD-VPSSVideoProcessingSubsystemBlockDiagramHD-VPSSVideoProcessingSubsyNetra–HD-VPSSKeyFeatures(Record)Gluelessmulti-channelcapturewithTVP5158supports16+channelD1,32-chCIFrealtimerecordingSupportsBT.656,1120,andLineModeRecordResolutions:Fullyadjustablewithscaler/deinterlacerProgrammableFrameRates:1to60fps(afterde-interlacing)FlexibleRecordOutputFunctionsinternalconnectionsbetweenHD-VPSS,DRAM,andHD-VICPsallowcompleteflexibilityNetra–HD-VPSSKeyFeatures(Netra–HD-VPSSKeyFeatures(Multi-ChannelPlayback/Display)Displaysatleast20D1channels:16live+4decode.Maybepossibletodecodeanddisplaymorew/systemtradeoffIntegrated3DGraphicsProcessorforCreatingGraphicsOverlayWindowsSupportstriplemonitors:1xHD,1xHD/SD,1xSDMainDisplay(uptoHD1080p30)HDMI,AnalogRGB,DigitalRGB,DigitalYUV,S-VideoandCVBSsupportedBuiltinscaler,HQdeinterlacer4-layerGraphicOverlayw/Triple32bRGBOSG(prupto8-bitbitmap)SecondaryDisplay(s)HDMI,AnalogRGB,DigitalRGB,DigitalYUV,S-VideoandCVBSsupportedSameoverlayasmainSPOTDisplaySupportedbyNetraHDDACoutputsNetra–HD-VPSSKeyFeatures(

VideoProcessingPipelineDetailsVPDMA(DMAcontrolandBuffering)YCbCr420or422(8-bittileddata)TiledtoRasterconversionConfigurationDownloadsVideoMosaicsupportCHR_US

(ChromaUpsampler)420to422ChromaupsamplerDRN(MPEGNoiseReduction)RingingArtifactReductionDEI

(Deinterlacer)

Motion-adaptive3DNoiseReduction(3DNR)Support4-fieldand5-fieldMotionDetection(MDT)Edge-DirectedInterpolation(EDI)FilmModeDetection(FMD)BadEditDetection(BED)COMP/DECOMP(bw-savingcompression)2xcompressionofprivatedatastorageSC(Scaler)

Up/DownScalingNon-linearscalingonedgesInputtrimmerforinputclipping(pan/scan)EdgedirectedVerticalscaling7-tap/64-phasepolyphasefilterRunningAverageScalerforverticaldownscaling<½June17,2007TIConfidential&Proprietary–StrictlyPrivateVideoProcessingPipelineDet8

VideoProcessingPipelineDetailsEDE(EdgeDetailEnhancement)

LTI/CTI(Luminance/ChrominanceTransitionImprovement)–sharperedgeandcleanercolortransition

HorizontalPeakingblock(sharperedge)CIG(ConstrainedImageGenerator)Constrainedimage(loweredresolution)ontheanalogoutputVCOMP

(VideoCompositor)VideoonlycompositorMain+PIPCPROC(ColorProcessing)

Dynamiccontrastenhancement

(GCA)

Saturationenhancement

(Greenboost)Colorspaceconversion(YCbCrRGB)COMP(Compositor–AlphaBlending)2Videoand3GraphicssourceblendingVENC(VideoEncoders)HDMIorDVO-1HDCOMPSDDVO-2VideoProcessingPipelineDet9De-ringingInputProcessedDe-ringingInput10De-interlacer(I2P)KeyFeaturesMotionAdaptiveDeinterlacingSupports4-fieldand5-fieldmotiondetection:trade-offbetweenqualityandbandwidthEmploystemporalIIRfilteringtohandleFastMotionandOscillatingMotionMotionsensitivityadaptivetothefrequencyoflumatextureTemporal/SpatialNoiseReductionMotion/edge/textureAdaptiveAllowsNRforbothlumaandchromaEdgeanddetailpreservingandghostingpreventionHierarchicalEdgeAdaptiveInterpolationWiderangeedgedetection(covers2X17window)Highresolutionsub-pixeledgevectorsEdge-directedlumaandchromainterpolationFilmModeDetection3-2pulldowndetection2-2pulldowndetectionBadeditdetectionSupportforadditionalcadencecanbeaddedwithsoftware(suchasCartoon12frame/secsources)De-interlacer(I2P)KeyFeatuDEI:AdvancedMotionDetectionCompetitor’sTI’ssolutionDEI:AdvancedMotionDetection12DEI:AdvancedMotionDetectionCompetitor’sTI’ssolutionDEI:AdvancedMotionDetection13DEI:Low-AngleEdgeInterpolationCompetitor’sTI’ssolutionDEI:Low-AngleEdgeInterpolat14DEI:Low-AngleEdgeInterpolationCompetitor’sTI’ssolutionDEI:Low-AngleEdgeInterpolat15DEI:Low-AngleEdgeInterpolationCompetitor’sTI’ssolutionDEI:Low-AngleEdgeInterpolat16DEI:Low-AngleEdgeInterpolationCompetitor’sTI’ssolutionDEI:Low-AngleEdgeInterpolat17DEI:FilmModeDetectionW/ofilmmodedetectionTI’ssolutionDEI:FilmModeDetectionW/ofi18W/ocorrectbadeditdetectionTI’ssolutionDEI:Bad-EditDetectionW/ocorrectbadeditdetection19Scalar(Resizer)KeyFeaturesProgrammableArbitraryUp-ScalingandDown-ScalingSupportsallATSCanduser-definedsourceanddisplayresolutionsupto1080pScalesinbothhorizontalandverticaldirectionsindependently10-bit4:4:4datapathFinescalingrationcontrolEdgeAdaptiveScalingHighresolution

edgedetection7-tap32-phaseprogrammablepolyphasefilterforhorizontalscaling5-tap32-phaseprogrammablepolyphasefilterforverticalscalingTwo-stagedecimationfiltertoreducealiasingfordownscalingEdge-preservingscalingbyinterpolatingalongtheedgesNon-LinearScalingSupportspanorama(stretchingonbothsidesofscreen)PanandScanSupportsupto1/16pixelaccuracyinbothdirectionsScalar(Resizer)KeyFeaturesPictureImprovementKeyFeaturesEDE2DLTI(LumaTransientImprovement),CTI(ChromaTransientImprovement)toenhanceedgesLumaandchromaalignmenttoachievebetterregistrationanddefinition2DpeakingtoenhancedetailsNoiserobustness.ClippingandcontouringpreventionCIECAM02BasedCPROCUsingstate-of-the-artCIECAM02colormodels(Jhscolorspace)PerceptuallyuniformandorthogonalAdaptingsystematicallytoviewinganddisplayconditions(ambientlights,whitepoint,etc.)Workingwellwithwide-gamutdisplayStandardTVcontrols:brightness,contrastandsaturationcontrolsHistogram-baseddynamiccontrastprocessingMemorycolorenhancement(green/blueboost,skintonecorrection)VividandnaturalcolorsPictureImprovementKeyFeaturEdgeandDetailEnhancementInputProcessedEdgeandDetailEnhancementInpColor