Adaptive Intra Prediction Mode Signaling Approach in H.264/AVC
- Authors
- Kim, Kibaek; Jeon, Gwanggil; Jeong, Jechang
- Issue Date
- Sep-2014
- Publisher
- IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
- Keywords
- H.264/AVC; intra prediction; coding efficiency; most probable mode
- Citation
- IEICE TRANSACTIONS ON COMMUNICATIONS, v.E97B, no.9, pp.1990 - 1999
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEICE TRANSACTIONS ON COMMUNICATIONS
- Volume
- E97B
- Number
- 9
- Start Page
- 1990
- End Page
- 1999
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/159233
- DOI
- 10.1587/transcom.E97.B.1990
- ISSN
- 0916-8516
- Abstract
- H.264/AVC estimates the prediction mode from the modes of neighboring blocks in order to reduce the quantity of bits needed to represent the best mode. The estimated mode is known as Most Probable Mode (MPM). When QP changes, the probability of MPM increases. In this paper, we propose an adaptive mode signaling method based on the probability of MPM. According to the probability of MPM, a conventional MPM method and the proposed merging method are adaptively used to signal the intra prediction mode. Experimental results show that the proposed method achieves an average bit savings of 0.727% and an average PSNR gain of 0.041 dB. In the low bit rate condition, the proposed method achieves an average bit savings of 1.795%, and a PSNR gain of 0.103 dB, compared to H.264/AVC.
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