Method of Motion Estimation for Video Coding in MPEG-4/H.263 Standards

摘要

The present invention relates to a motion estimation method for a particular, the image compression encoding relates to a moving picture compression encoding method, a video compression transmission for the purpose of providing a way to more quickly find the motion vectors at a high speed without decreasing the compression ratio and image quality in the method for motion estimation, comprising: a first step of guessing an initial movement position; The MAD (Mean Absolute Difference) of the estimated motion position of the first step of the objective function, the second step to find new motion position by performing a Newton-Raphson method; The new movement position located in the second step, assuming a movement position and a minimum margin of error smaller range if the check in the case of a range larger than a minimum margin of error, the new moving position of the first movement position of the first stage to assume a third step of performing said second stage; And wherein a new motion location found in step 2, determine whether or not within a range between the estimated movement position and a minimum margin of error in the case of a range between a minimum margin of error is, to the new moving position to the final movement position motion vector and a fourth step of determining, (Motion picture Experts Group) MPEG 4 4 yiyongdoem image compression coding or the like.