Content-based motion estimation with extended temporal-spatial analysis

Shen Li, Yong Jiang, Takeshi Ikenaga, Satoshi Goto

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In adaptive motion estimation, spatial-temporal correlation based motion type inference has been recognized as an effective way to guide the motion estimation strategy adjustment according to video contents. However, the complexity and the reliability of those methods remain two crucial problems. In this paper, a motion vector field model is introduced as the basis for a new spatial-temporal correlation based motion type inference method. For each block, Full Search with Adaptive Search Window (ASW) and Three Step Search (TSS), as two search strategy candidates, can be employed alternatively. Simulation results show that the proposed method can constantly reduce the dynamic computational cost to as low as 3% to 4% of that of Full Search (FS), while remaining a closer approximation to FS in terms of visual quality than other fast algorithms for various video sequences. Due to its efficiency and reliability, this method is expected to be a favorable contribution to the mobile video communication where low power real-time video coding is necessary.

Original languageEnglish
Pages (from-to)1561-1567
Number of pages7
JournalIEICE Transactions on Information and Systems
VolumeE88-D
Issue number7
DOIs
Publication statusPublished - 2005 Jul

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Motion estimation
Image coding
Communication
Costs

Keywords

  • Adaptive
  • Content-based
  • Motion estimation
  • Spatial and temporal correlation

ASJC Scopus subject areas

  • Information Systems
  • Computer Graphics and Computer-Aided Design
  • Software

Cite this

Content-based motion estimation with extended temporal-spatial analysis. / Li, Shen; Jiang, Yong; Ikenaga, Takeshi; Goto, Satoshi.

In: IEICE Transactions on Information and Systems, Vol. E88-D, No. 7, 07.2005, p. 1561-1567.

Research output: Contribution to journalArticle

Li, Shen ; Jiang, Yong ; Ikenaga, Takeshi ; Goto, Satoshi. / Content-based motion estimation with extended temporal-spatial analysis. In: IEICE Transactions on Information and Systems. 2005 ; Vol. E88-D, No. 7. pp. 1561-1567.
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