Adaptive coefficient scanning based on universal prediction

S. J. Baek, C. S. Park, S. W. Jung, H. M. Nam, S. J. Ko

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The H.264/AVC standard adopts zig-zag scanning for encoding the transform coefficients of both intra- and inter-blocks. Since all blocks are scanned in fixed order regardless of local charateristics, zig-zag scanning does not guarantee optimal performance. Proposed is an adaptive coefficient scanning method based on universal prediction for both intra- and inter-blocks. Experimental results show that the proposed method reduces bit rate by up to 5.07% and outperforms conventional methods significantly.

Original languageEnglish
Pages (from-to)1302-1304
Number of pages3
JournalElectronics Letters
Volume45
Issue number25
DOIs
Publication statusPublished - 2009

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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