| 摘要 |
<p>A motion prediction method and system for inter frame encoding are disclosed in the present invention, wherein the motion prediction method for inter frame encoding includes the steps of judging whether to start the global motion prediction firstly according to the threshold range which relative variation complexity information of the current frame is located in; if the global motion prediction is performed, judging whether the selected judgment area has the strong consistency motion tread, if so, obtaining the motion direction of the current frame as the global motion direction, and obtaining corresponding direction judgment; if it does not have the strong consistency motion tread, performing the weak judgment for the global motion direction according to the motion of each area. The present invention can improve the compression ratio on the one hand, and improve the compression speed on the other hand. Namely, when the compression is performed on the video resource with the global motion, the motion judgment can be determined by using uniformly judgment manner, without successively judging sub blocks of each macro block as in the motion prediction method only depended on the macro blocks and the sub blocks.</p> |
