Method to Minimize Redundancy of Intra-mode
- Authors
- Kim, Kibaek; Jung, Dongjin; Jeong, Jechang; Jeon, Gwanggil
- Issue Date
- Aug-2013
- Publisher
- IARIA
- Keywords
- h.264/AVC; Intra-prediction; Coding efficiency; most probable mode
- Citation
- AFIN 2013, The Fifth International Conference on Advances in Future Internet, pp.73 - 77
- Indexed
- OTHER
- Journal Title
- AFIN 2013, The Fifth International Conference on Advances in Future Internet
- Start Page
- 73
- End Page
- 77
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/162120
- ISSN
- 2308-4340
- Abstract
- In this paper, we present a method to minimize redundancy of intra-prediction mode. To minimize spatial correlation, H.264/AVC standard utilizes intra-prediction approach, which has nine modes for 4x4, 8x8 blocks, and this mode information should be signaled and four bits are needed to represent nine modes in binary. To minimize the average length of mode information, H.264/AVC estimates Most Probable Mode (MPM) and if the MPM is the same as the best intra-predicted mode, only one bit needs to be signaled. In this paper, we propose merging MPM approach to reduce the bits for signaling. By using adaptive scheme of intra-mode signaling, we could achieve 0.801% bit reduction while giving similar performance. In particular, 1.901% bit reduction was achieved in low bit rate condition.
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