NDLI: Macroblock Based Bit Allocation for SNR Scalable Video Coding with Hierarchical B Pictures

Content Provider	IEEE Xplore Digital Library
Author	Rusert, T. Ohm, J.
Copyright Year	2006
Description	Author affiliation: Inst. of Commun. Eng., RWTH Aachen Univ., Germany (Rusert, T.; Ohm, J.)
Abstract	We investigate SNR scalable video coding based on motion compensated temporal prediction with hierarchical B pictures. This structure is a fundamental part of the scalable extension of H.264/AVC (SVC), which is currently under standardization. Due to SNR scalability, reconstruction of inter blocks may cause error accumulation within the B picture hierarchy, which is called the drift effect. In this paper we investigate the error propagation considering coding control, motion information, and target quality. We first consider open loop coding control and generalize to the case of one or multiple loops. We present a practical algorithm to quantify locally varying drift properties, which is utilized for performing rate-distortion optimized macroblock based bit allocation. We compare the approach to picture based bit allocation within the SVC test model and observe coding gains up to 0.4 dB.
Starting Page	177
Ending Page	180
File Size	4704620
Page Count	4
File Format	PDF
ISBN	1424404800
ISSN	15224880
DOI	10.1109/ICIP.2006.312362
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bit rate Video coding Static VAr compensators Open loop systems Automatic voltage control Standardization Scalability Error correction Motion control Rate-distortion video coding Error propagation bit allocation hierarchical B pictures scalable video coding SVC
Content Type	Text
Resource Type	Article

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