标签: pqr

在这篇应用文章中，为您介绍了图像质量测量的各种方法，以及如何解决视频转换过程中的质量问题ApplicationNoteUnderstandingPQR,DMOS,andPSNRMeasurementsIntroductionCompressionsystemsandothervideoprocessingdevicesimpactpicturequalityinvariousways.Consumers’qualityexpectationscontinuetoriseasanalogvideotechnologytransitionstodigitaltechnologyandstandarddefinitiontransitionstohighdefinition.Withdigitaltechnology,videoequipmentmanufacturers,broadcasters,networkoperatorsandcontentproviderscannotrelysolelyonsignalmeasurementsandpicturemonitorstoassesspicturequality.Theyneedothertoolstoverifythattheirdevices,systems,orprocesseshavenotintroducedimpairmentsinvideocontentthatwillaffectperceivedpicturequality.UnderstandingPQR,……