Enhanced Correlation Coefficient registraiton

应用增强的相关系数（ECC）进行图像配准，是发表在2008年PAMI上的文章源码。-ThisisaMatlabimplementationfortheforwardsadditiveversionofECCimagealignmentalgorithmbasedonthepaper"G.D.Evangelidis,E.Z.Psarakis,ParametricImageAlignmentusingEnhancedCorrelationCoefficientMaximization",IEEETrans.onPAMI,vol.30,no.10,2008.