Motion information exploitation in H.264 frame skipping transcoding

  • Authors:

  • Qiang Li;Xiaodong Liu;Qionghai Dai

  • Affiliations:

  • Broadband Networks & Digital Media Laboratory, Graduate School at Shenzhen, Tsinghua University, China;Broadband Networks & Digital Media Laboratory, Graduate School at Shenzhen, Tsinghua University, China;Broadband Networks & Digital Media Laboratory, Graduate School at Shenzhen, Tsinghua University, China

  • Venue:
  • ACIVS'07 Proceedings of the 9th international conference on Advanced concepts for intelligent vision systems
  • Year:
  • 2007

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Abstract

This paper proposes an adaptive motion mode selection method in H.264 frame skipping transcoding. In order to reduce the high complexity arising from variable block sizes in H.264, the proposed method exploits original motion information from incoming bitstreams. In addition, the paper also adopts Forward Dominant Vector Selection approach in MV composition of H.264 transcoding, in comparison with Bilinear Interpolation method. The simulation results show that the proposed method achieves good trade-off between computational complexity and video quality.