The hardware design and implementation for CAVLC and Exp-Golomb in H.264/AVC

Context-based adaptive variable-length coding (CAVLC) is a new and important feature of the latest video coding standard H.264/AVC. Together with Exp-Golomb(which is also called UVLC), CAVLC is used to code source data, i.e., quantized transformed coefficients (QTCs), and header data, respectively....

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Vydané v:2010 The 12th International Conference on Advanced Communication Technology (ICACT) Ročník 2; s. 1610 - 1613
Hlavní autori: Jing Chen, Yongliang Chen, Hantao Zhu, Chunchun Sui, PuFeng Wu, Xixin Cao
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 01.02.2010
Predmet:
Automatic voltage control
Clocks
Codecs
Context-based adaptive variable length coding
Entropy coding
Exp-Golomb
H.264
Hardware
Microelectronics
Pipeline processing
Streaming media
Tail
Video coding
ISBN:1424454271, 9781424454273
ISSN:1738-9445
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Popis
Shrnutí:Context-based adaptive variable-length coding (CAVLC) is a new and important feature of the latest video coding standard H.264/AVC. Together with Exp-Golomb(which is also called UVLC), CAVLC is used to code source data, i.e., quantized transformed coefficients (QTCs), and header data, respectively. In this paper, a hardware architecture for CAVLC and Exp- Golomb in the H.264/AVC codec is proposed, the main concept is the three-stage block pipelining scheme for this architecture. The simulation results show that our CAVLC and Exp-Golomb system can run at 31.2 MHz and 156.6 MHz clock frequency respectively.
ISBN:1424454271
9781424454273
ISSN:1738-9445