opencv4.2.0中estimateAffine2D和estimateAffinePartial2D的区别
estimateAffine2D和estimateAffinePartial2D两个方法由旧版本的estimateRigidTransform演变而来,MatestimateRigidTransform(InputArraysrc,InputArraydst,boolfullAffine);将estimateRigidTransform中的第三个变量fullAffine设置为true即对应esti