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http://dx.doi.org/10.5909/JBE.2016.21.3.319

Coding Tools for Enhancing Coding Efficiency of MPEG Internet Video Coding (IVC)  

Yang, Anna (Korea Aerospace University)
Lee, Jae-Yung (Sejong University)
Han, Jong-Ki (Sejong University)
Kim, Jae-Gon (Korea Aerospace University)
Publication Information
Journal of Broadcast Engineering / v.21, no.3, 2016 , pp. 319-329 More about this Journal
Abstract
Internet Video Coding (IVC) is a royalty-free codec currently being developed in MPEG. Coding efficiency of IVC codec has been steadily enhanced and it was reported that the performance of Committee Draft (CD) version is comparable to H.264/AVC High Profile (HP) in terms of objective and subjective qualities. In this paper, we present some coding tools that have been proposed for enhancing the coding efficiency of IVC during the developing process in MPEG along with brief overview of IVC codec architecture and coding algorithms. The coding tools include both of normative tools and informative tools such as non-reference P frame coding, DC mode intra prediction, Lagrange multiplier selection, and extension of chroma intra prediction modes. Improvement obtained by each tool is presented in terms of algorithm and coding gain based on the experiments. As a result of the experiment, the coding tools give the average bit saving of 8.8%, 0.4%, 0.4%, and 0.0%, respectively, in the low-delay coding mode.
Keywords
Video Coding Tool; Internet Video Coding; Royalty-Free; Intra Prediction; Lagrangian Multiplier;
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