Determining Optical Flow
作者：B.K.P.Horn,B.G.Schunck简述：Opticalflowcannotbecomputedlocally,sinceonlyoneindependentmeasurementisavailablefromtheimagesequenceatapoint,whiletheflowvelocityhastwocomponents.Asecondconstraintisneeded.Amethodforfindingtheopticalflowpatternispresentedwhichassumesthattheapparentvelo