吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (05): 1485-1490.

• paper • Previous Articles     Next Articles

Fast multi-symmetry adaptive interpolation filter algorithm

LI Hong-wei,ZHANG Jie, WU Cheng-ke,SONG Rui   

  1. National Key Lab on ISN, Xidian University, Xi'an 710071,China
  • Received:2009-10-14 Online:2011-09-01 Published:2011-09-01

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Abstract:

A Fast Multi-Symmetry Adaptive Interpolation Filter (FMS-AIF) algorithm was proposed. First, an initial subset of symmetry interpolation filters was picked out according to regional symmetric properties. Then, the most optimal symmetry interpolation filter was determined by the rate distortion model. Thus the encoding quality of the proposed algorithm was significantly improved. Simulation results show that compared with Flexible Symmetry Adaptive Interpolation Filter (FS-AIF) algorithm, the coding time is greatly reduced, the Peak Signal-to-Noise Ratio (PSNR) is further increased and the bit rate is reduced in this proposed FMS-AIF algorithm.

Key words: communication, multi-symmetry, adaptive, interpolation filter, rate distortion

CLC Number: 

  • TN919.81
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