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This paper proposes a Key-Frame-Free (KFF) prediction method for the medium-grain scalable (MGS) coding of H.264/SVC, in which the key pictures can be completely avoided to reduce the memory complexity and improve the coding efficiency. In our proposed method, the encoder employs a joint rate-distortion model to decide which quality layer is reconstructed and used for prediction of base quality macroblocks...
Motion compensated prediction (MCP) plays an important role in video coding due to its great capability of reducing temporal redundancy. In this paper, we propose a new MCP scheme by adaptive patch matching with the full use of the reconstructed pixels surrounding the current block (referred to as the template inside the patch) aiming at achieving a more accurate prediction than conventional MCP....
KTA (Key Technical Area) software is developed from the H.264 reference software by ITU-T VCEG to establish a common platform for developing high efficient techniques toward next generation video coding standard. With new techniques integrated, KTA software has achieved more than 20% improvement over H.264 in average. However, these new techniques not only bring high computations but also require...
This paper proposes a Wyner-Ziv (WZ) switching scheme for multiple bit-rate (MBR) video streaming over networks. Identical video content is encoded into a set of normal streams, which are generated by conventional hybrid video coding with multiple bit rates, so that streaming can dynamically switch among these normal streams according to available bandwidth. At encoder side, the WZ codec generates...
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