Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Frame

YIE Xiaotong; DENG Yun; CAI Lecai

Aug. 2009

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Journal of Southwest Jiaotong University > 2009 > 22(4): 484-489.

YIE Xiaotong, DENG Yun, CAI Lecai. Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Frame[J]. Journal of Southwest Jiaotong University, 2009, 22(4): 484-489.

Citation:

YIE Xiaotong, DENG Yun, CAI Lecai. Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Frame[J]. Journal of Southwest Jiaotong University, 2009, 22(4): 484-489.

YIE Xiaotong, DENG Yun, CAI Lecai. Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Frame[J]. Journal of Southwest Jiaotong University, 2009, 22(4): 484-489.

Citation:

YIE Xiaotong, DENG Yun, CAI Lecai. Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Frame[J]. Journal of Southwest Jiaotong University, 2009, 22(4): 484-489.

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Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Frame

YIE Xiaotong¹,
DENG Yun^{2,3
,
,},
CAI Lecai³

Received Date: 24 Feb 2009

Abstract

Abstract

A novel fine granularity scalability coding framework with hybrid open-close loop structures based on key reference pictures was proposed.In the framework,the open-loop structure with one prediction loop is adopted to code non-key frames to achieve the best coding efficiency;some key frames exploiting the close-loop structure with two prediction loops are periodically inserted to control drift caused by the open-loop structure.To optimally exploit the bandwidth,an optimized bit-stream extraction method was proposed to give more priority to the enhancement layer of key frames than that of non-key frames.Simulation results show that the proposed framework outperforms AR-FGS(FGS with adaptive reference) in JVT SVC(joint video team scalable video coding) by about 1 to 2 dB in a very wide rang of bit rate.
- FGS(fine granularity scalability),
- open loop,
- close loop,
- key reference picture,
- bit-stream extraction

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References(1)

References

LI Weiping.Overview of fine granularity scalability in MPEG-4 video standard[J].IEEE Trans.on Circuits and Systems for Video Technology,2002,11(3):301-317.[2] WU Feng,LI Shipeng,ZHANG Yaqin.A framework for efficient progressive fine granularity scalable video coding[J].IEEE Trans.on Circuits and Systems for Video Technology,2001,11(3):332-344.[3] HUANG Hsiangchun,WANG Chungneng,CHIANG Tihao.A robust fine granularity scalability using trellis-based predictive leak[J].IEEE Trans.Circuit Syst.Video Technol.,2002,12(6):372-385.[4] SCHAAR M,RADHA H.M6475.Motion-compensation based fine-granular scalability (MC-FGS)[S].Geneva:ISO/IEC JTC1/SC29/WG11,2000.[5] ITU-T and ISO/IEC JTC1.JVT-V201.Scalable video coding-joint draft 8[S].Geneva:JVT,ITU-T/ISO,2007.[6] ITU-T and ISO/IEC JTC1.JVT-O039.CE7 report:FGS coding for low-delay applications[S].Geneva:JVT,ITU-T/ISO,2005.[7] ITU-T and ISO/IEC JTC1.JVT-V203.Joint scalable video model JSVM 8[S].Geneva:JVT,ITU-T/ISO,2007.

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Hybrid Open-Close Loop FGS Coding Framework Based on Key Reference Frame

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