吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (02): 566-0570.

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Fast multiple reference frame selection algorithm for H.264/AVC

 DING Yuan-yuan1, SI Yu-juan 1,2, YAO Cheng 1,3   

  1. 1.College of Communication and Engineering, Jilin University,Changchun 130022,China；2.Department of Electronic Information, Zhuhai College, Jilin University, Zhuhai 519041|China；3. Armor Techonology Institute of PLA, Changchun 130117|China
  • Received:2008-12-01 Online:2010-03-01 Published:2010-03-01

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Abstract:

H.264/AVC uses multiple reference frame motion estimation to enhance coding efficiency. But the computational cost linearly increases with the number of reference frames. In this paper, the candidate reference frames are determined based on edge detection and correlation information. The motion characteristics of the macroblock are judged by motion vector field with P8×8 mode. A fast multiple reference frame selection algorithm is proposed. Experiments on JM10.2 are performed and results show that the proposed algorithm significantly saves encoding time with neglectable loss of image quality.

Key words: communication, motion estimation, multiple reference frames, ratedistortion optimization, image segmentation

CLC Number: 

  • TN919
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