Fast motion estimation method realized based on GPU (Graphics Processing Unit) parallel
A technology of fast motion and motion estimation, applied in the field of communication, can solve the problem of time-consuming motion estimation module
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[0059] The present invention will be described in detail below in conjunction with specific embodiments.
[0060] The present invention adopts the block-based matching idea, adopts multi-template dynamic adjustment and multi-step search scheme, and the execution of the current step is related to the execution result of the previous step. The present invention utilizes the motion vector distribution characteristics, and finds the minimum block error (Minimum Block Distortion, MBD) point of the current local search window by performing local full search (local full search finds the MBD of the current area with high reliability, and can be convenient and efficient. using CUDA for parallel implementation). The resolution change of the search domain is essentially to ensure that the number of search points in each search does not change (that is, to ensure that the organizational form of the thread does not change during the entire motion estimation process), and the dynamic scalin...
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