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A Real-Time Full Architecture for AVS Motion Estimation

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3 Author(s)
Lei Deng ; Peking Univ., Beijing ; Xiao Dong Xie ; Wen Gao

In the advanced audio video coding standard (AVS), the motion estimation employs many new techniques such as variable block size, multiple reference frames, motion vector prediction, symmetric searching, etc, for high coding efficiency. However, these techniques are so complex for hardware implementation due to their high data dependence and high computation requirement. In this paper, we firstly improved the AVS motion estimation algorithm from the viewpoint of hardware implementation and secondly propose the architecture for the improved algorithm. This architecture has two 2-D systolic arrays and fully supports the AVS variable block size match. It is able to process forward, backward and symmetric prediction concurrently, and totally produces 27 motion vectors for each macro-block. Experimental results shows that the architecture can achieve 29 fps under the condition of two reference pictures, 65times65 search range and 720times576 picture size.

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:53 ,  Issue: 4 )