10 Scopus citations

Abstract

This paper presents a parallel and scalable solution for adaptive deblocking filtering in H.264/AVC. While traditionally in deblocking filtering, the edges in a macroblock are processed in a sequential order, this paper demonstrates how algorithm modifications can be used to enable processing multiple consecutive edges at the same time. The proposed method increases the throughput in proportion to the number of edges that are being processed simultaneously without affecting the PSNR and bit-rate. Details of the method to process 2 consecutive edges in parallel as well as extensions to process 4 and 8 consecutive edges, are provided. A dedicated hardware architecture to process 2 edges is presented along with synthesis results. The architecture achieves a 2x increase in throughput at the expense of a 2.2x increase in area and a 1.23x increase in power.

Original languageEnglish (US)
Title of host publication2010 IEEE Workshop on Signal Processing Systems, SiPS 2010 - Proceedings
Pages116-121
Number of pages6
DOIs
StatePublished - Dec 27 2010
Event2010 IEEE Workshop on Signal Processing Systems, SiPS 2010 - San Francisco, CA, United States
Duration: Oct 6 2010Oct 8 2010

Publication series

NameIEEE Workshop on Signal Processing Systems, SiPS: Design and Implementation
ISSN (Print)1520-6130

Other

Other2010 IEEE Workshop on Signal Processing Systems, SiPS 2010
CountryUnited States
CitySan Francisco, CA
Period10/6/1010/8/10

Keywords

  • Deblocking filter
  • Parallel architecture

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Signal Processing
  • Applied Mathematics
  • Hardware and Architecture

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