Selective motion estimation for fast video encoding

  • Authors:

  • Sun Young Lee;Yong Ho Cho;Whoiyul Kim;Euee S. Jang

  • Affiliations:

  • College of Information and Communications, Hanyang University, Seoul, Korea;College of Information and Communications, Hanyang University, Seoul, Korea;College of Information and Communications, Hanyang University, Seoul, Korea;College of Information and Communications, Hanyang University, Seoul, Korea

  • Venue:
  • PCM'04 Proceedings of the 5th Pacific Rim conference on Advances in Multimedia Information Processing - Volume Part III
  • Year:
  • 2004

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Abstract

Motion estimation has been a popular choice in video compression standards such as MPEG-1, MPEG-2, and MPEG-4 to eliminate temporal redundancy of video sequences. The motion estimation and motion compensation (MEMC) part in video encoding represents around 60–80 percent of the total computation, where MEMC is a core part that cannot be avoided for preserving substantial compression efficiency. In this paper, we have presented a method to minimize the use of MEMC, which will further reduce the computational complexity with the reasonable visual quality. The main idea of our proposal is to unselect ME on some frames with very low motion. Experimental results indicated that the proposed coding scheme can reduce about 55–75 percent in computational complexity over the MPEG-4 video reference software.