Variable block-size transforms for H.264/AVC

Author

Wien, Mathias

Author_Institution

Lehrstuhl fur Nachrichtentechnik, RWTH Aachen Univ., Germany

Volume

13

Issue

7

fYear

2003

fDate

7/1/2003 12:00:00 AM

Firstpage

604

Lastpage

613

Abstract

A concept for variable block-size transform coding is presented. It is called adaptive block-size transforms (ABT) and was proposed for coding of high resolution and interlaced video in the emerging video coding standard H.264/AVC. The basic idea of inter ABT is to align the block size used for transform coding of the prediction error to the block size used for motion compensation. Intra ABT employs variable block-size prediction and transforms for encoding. With ABT, the maximum feasible signal length is exploited for transform coding. Simulation results reveal a performance increase up to 12% overall rate savings and 0.9 dB in peak signal-to-noise ratio.

Keywords

IEC standards; ISO standards; code standards; data compression; image resolution; motion compensation; prediction theory; telecommunication standards; transform coding; video coding; H.264/AVC video coding standard; ISO/IEC; ITU-T; MPEG-4; high resolution video; interlaced video; motion compensation; peak signal-to-noise ratio; prediction error; signal length; simulation results; variable block-size transform coding; Automatic voltage control; Compaction; Encoding; Entropy coding; IEC standards; ISO standards; Image coding; Motion compensation; Transform coding; Video coding;

fLanguage

English

Journal_Title

Circuits and Systems for Video Technology, IEEE Transactions on

Publisher

ieee

ISSN

1051-8215

Type

jour

DOI

10.1109/TCSVT.2003.815380

Filename

1218193