A hardware-oriented high precision motion vector prediction scheme for MPEG-2 to H.264 transcoding

Xianghui Wei, Wenming Tang, Guifen Tian, Takeshi Ikenaga, Satoshi Goto

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

In hardware design of MPEG-2 to H.264 transcoder, MPEG-2 motion vector (MV) is often reused as search center to reduce the search range for H.264 motion estimation (ME) module. But MPEG-2 MV is not always accurate search center. The common-used comparison algorithm for motion vector predictor (MVP) is hardly implemented in hardware. In this paper, we propose a MV prediction algorithm for hardware design based on smoothness of MPEG-2 MV field. Experiment results show that the proposed MV prediction method with a small search range can approach the performance of full search algorithm with a large search range. Using the proposed algorithm, the motion prediction accuracy is significantly improved compared with the method only using MPEG-2 MV, especially in sequence with fast motion and complicate background.

本文言語English
ホスト出版物のタイトルProceedings - 1st International Congress on Image and Signal Processing, CISP 2008
ページ278-282
ページ数5
DOI
出版ステータスPublished - 2008 9 22
イベント1st International Congress on Image and Signal Processing, CISP 2008 - Sanya, Hainan, China
継続期間: 2008 5 272008 5 30

出版物シリーズ

名前Proceedings - 1st International Congress on Image and Signal Processing, CISP 2008
1

Conference

Conference1st International Congress on Image and Signal Processing, CISP 2008
CountryChina
CitySanya, Hainan
Period08/5/2708/5/30

ASJC Scopus subject areas

  • Computer Vision and Pattern Recognition
  • Signal Processing

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