Themeasureofimage(videos)qualityremainsaresearchchallengeandaveryactivefieldofinvestigationconsideringimageprocessing.Onesolutionconsistsofprovidingasubjectivescoretotheimagequality(accordingtoareferenceorwithoutreference)obtainedfromhumanobservers.Thesettingofsuchpsycho-visualtestsis