简介：Imagemorphingisapowerfultoolforvisualeffect.Inthispaper,aviewinterpolationalgorithmisproposedtosimulateavirtualwalkalongastreetfromstartpositiontoendposition.Tosimulateavirtualwalkingviewneedstocreatenewappearingsceneinthevision-vanishingpointanddisappearingscenebeyondthescopeofview.Toattainthesetwoaimsweusetwoenhancedpositionparameterstomatchpixelsofsourceimagesandtargetimages.Oneenhancedpositionparameteristheangularcoordinatesofpixels.Anotherenhancedpositionparameteristhedistancesfrompixelstothevision-vanishingpoint.Accordingtotheparametervalues,pixelsbeyondthescopeofviewcanbe'moved'outinlinearinterpolation.Resultdemonstratesthevalidityofthealgorithm.Anotheradvantageofthisalgorithmisthattheenhancedpositionparametersarebasedonreallocationsandwalkingdistances,soitisalsoanapproachtoonlinevirtualtourbysatellitemapsofvirtualglobeapplicationssuchasGoogleEarth.