图像匹配的变换矩阵估计算法和实验Geometrictransformation(homography)estimationfromafewpointcorrespondencesisanecessaryprocessingstepinmanyfeature-basedobjectdetection,localisation,registrationandrecognitionmethods.Thehomographyestimationisonlyanintermediateandrepeatedstepinoftencomputationallyveryintensivemeth