Charactersegmentationisanimportantstepinlicenseplaterecognition(LPR)system.Inthispaper,anovelcharactersegmentationmethodoflicenseplateispresentedcombiningLaplacianTransformation,regiongrowingandpriorknowledgeoflicenseplate.Intheproposedmethodology,imagepreprocessingisperformedtothelicens