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Performance evaluation of transcoding algorithms for H.264

Research output: Contribution to journalArticle

Original languageEnglish
Pages (from-to)215 - 222
Number of pages8
JournalIEEE Transactions on Consumer Electronics
Journal issue1
StatePublished - Feb 2006


The latest video coding standard H.264 has been recently approved and has already been adopted for numerous applications including HD-DVD and satellite broadcast. To allow interconnectivity between different applications using H.264, transcoding will be a key factor. This paper assesses the performance of existing requantization techniques developed when applied to H.264 together with a new technique. The proposed transcoding algorithm is based on a mixed requantization technique, which gives a good compromise between complexity and quality

Additional information

Publisher: IEEE Rose publication type: Journal article Sponsorship: This work is funded by 3CRL ROAM4G. Terms of use: Copyright © 2006 IEEE. Reprinted from IEEE Transactions on Consumer Electronics. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Research areas

  • transcoding, requantization, H.264, bitrate reduction

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