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http://dx.doi.org/10.5909/JBE.2010.15.4.498

Voting-based Intra Mode Bit Skip Using Pixel Information in Neighbor Blocks  

Kim, Ji-Eon (VIA-Multimedia Center, Kwangwoon University)
Cho, Hye-Jeong (VIA-Multimedia Center, Kwangwoon University)
Jeong, Se-Yoon (Realistic Media Research Team, Broadcasting and Telecommunications Media Research Department, ETRI)
Lee, Jin-Ho (Realistic Media Research Team, Broadcasting and Telecommunications Media Research Department, ETRI)
Oh, Seoung-Jun (VIA-Multimedia Center, Kwangwoon University)
Publication Information
Journal of Broadcast Engineering / v.15, no.4, 2010 , pp. 498-512 More about this Journal
Abstract
Intra coding is an indispensable coding tool since it can provide random accessibility as well as error resiliency. However, it is the problem that intra coding has relatively low coding efficiency compared with inter coding in the area of video coding. Even though H.264/AVC has significantly improved the intra coding performance compared with previous video standards, H.264/AVC encoder complexity is significantly increased, which is not suitable for low bit rate interactive services. In this paper, a Voting-based Intra Mode Bit Skip (V-IMBS) scheme is proposed to improve coding efficiency as well as to reduce encoding time complexity using decoder-side prediction. In case that the decoder can determine the same prediction mode as what is chosen by the encoder, the encoder does not send that intra prediction mode; otherwise, the conventional H.264/AVC intra coding is performed. Simulation results reveal a performance increase up to 4.44% overall rate savings and 0.24 dB in peak signal-to-noise ratio while the frame encoding speed of proposed method is about 42.8% better than that of H.264/AVC.
Keywords
H.264; MPEG-4 Part 10; intra prediction; coding efficiency; time complexity;
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