资源描述:
《基于hvs的led显示屏拼接亮暗线修正方法》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、AbstractIIIAbstractLEDpaneliscomposedofseveralmodules,whensplicing,thereexistssomelimitations,forexamplemachiningaccuracy,splicingprecision,etc.Sothedistancebetweenthecenterofpointsthatintheadjacentedgeofthemodulemaybelargerorsmallerthanotherdotpitch,theimpactonthedisplayqualitymain
2、lyreflectinthereappearsbrightlinesordarklineswhenshowinglow-frequencyimages,butitsowngeometricmisalignmentcannotbeperceived.WhenthedotpitchoftheLEDpaneldecreases,theproblemisparticularlyprominent,affectingthedisplayqualityseriously.Therefore,itisseriouslyimportanttofindamethodforrev
3、isingthebrightanddarklinesoftheLEDpanel.Inthispaper,firstly,asimulationmodelforLEDpanelismadeaccordingtothepositionandbrightnessofeachLEDpoint,fillfactoranddotpitch.Andtheresultofthesimulationisatwo-dimensionaldigitalimage,whichissimilartotheLEDpanelimagingobtainedbyCCD.Then,accordi
4、ngtohumanvisualcharacteristics,alow-passfilteringisactedontheLEDpanelsimulation,tosimulateactualhumaneyeobservingtheresultingimage.Finally,onaccountofminimummeansquareerroroftheactualhumaneyesimulationimage,anewmethodforcalculatingthecorrectioncoefficienttosolvethebrightanddarklines
5、hasbeenproposed.Itisprovedthattheproblemoflightanddarklinescanbesolvedeffectivelybythismethod.Itisaneffectivemethodbasedonhumanvisual,anditcanautomaticallycorrectthebrightanddarklinescausedbyLEDsplicing.Keywords:LEDPanelLineHVS万方数据目录V目录第一章绪论..........................................
6、...........................................................................11.1研究背景与意义.................................................................................................11.2国内外研究现状.........................................................................................
7、........21.3主要研究内容和章节安排.................................................................................41.3.1主要研究内容.........................................................................................41.3.2本文章节安排..................................................................
8、...................