NDLI: Low complexity rate control for VC-1 to H.264 transcoding

Content Provider	IEEE Xplore Digital Library
Author	Pantoja, M. Nam Ling
Copyright Year	2009
Description	Author affiliation: Department of Computer Engineering, Santa Clara University, 500 El Camino Real, California 95053, U.S.A (Pantoja, M.; Nam Ling)
Abstract	In this paper we focus on rate-control VC-1 to H.264 video transcoding in which video quality is obtained while maintaining a target bit rate for the transcoded output. The relationship between rate control in VC-1 and H.264 is studied and we use the rate control information obtained from VC-1 encoding to simplify the rate control algorithm in H.264. The key idea is to find the relationship between the quantization parameters (QPs) in VC-1 to the QPs in H.264 so that the first can be used to estimate the second, short cutting the need for a complex estimation in H.264. Experimental results show that the proposed rate control for transcoding is less complex than that for a full cascaded decoder while maintaining the target bit rate and PSNR.
Starting Page	888
Ending Page	891
File Size	711758
Page Count	4
File Format	PDF
ISBN	9781424438273
DOI	10.1109/ISCAS.2009.5117899
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-24
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Transcoding Decoding Bit rate Acceleration Codecs Communication system control Encoding Quantization Video compression Quadratic programming bit allocation video coding visual communications transcoding H.264 VC-1 rate control
Content Type	Text
Resource Type	Article

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