TY - GEN
T1 - QUADRATIC ρ-DOMAIN BASED RATE CONTROL ALGORITHM FOR HEVC
AU - Wang, Shanshe
AU - Ma, Siwei
AU - Wang, Shiqi
AU - Zhao, Debin
AU - Gao, Wen
PY - 2013/5
Y1 - 2013/5
N2 - In this paper, a novel quadratic ρ-domain frame layer rate control algorithm is proposed for Low Delay (LD) configuration in High Efficiency Video Coding (HEVC). Firstly, we propose a quadratic ρ-domain rate quantization (R-Q) model to establish the relationship between bit rate and quantization parameter. Subsequently, inspired by the specialized QP determination and reference picture set (RPS) mechanism, we design a RPS based hierarchical partition structure for rate control. Based on the hierarchical partition, an efficient hierarchical bit allocation scheme is provided. Finally, the quantization parameter (QP) is calculated via the proposed R-Q model after the bit allocation to meet the target bits. Experimental results demonstrate the proposed algorithm can significantly improve the R-D performance compared to the state-of-the-art rate control scheme for HEVC. Moreover, our proposed algorithm also provides smaller mismatch between the target bit rate and the actual bit rate.
AB - In this paper, a novel quadratic ρ-domain frame layer rate control algorithm is proposed for Low Delay (LD) configuration in High Efficiency Video Coding (HEVC). Firstly, we propose a quadratic ρ-domain rate quantization (R-Q) model to establish the relationship between bit rate and quantization parameter. Subsequently, inspired by the specialized QP determination and reference picture set (RPS) mechanism, we design a RPS based hierarchical partition structure for rate control. Based on the hierarchical partition, an efficient hierarchical bit allocation scheme is provided. Finally, the quantization parameter (QP) is calculated via the proposed R-Q model after the bit allocation to meet the target bits. Experimental results demonstrate the proposed algorithm can significantly improve the R-D performance compared to the state-of-the-art rate control scheme for HEVC. Moreover, our proposed algorithm also provides smaller mismatch between the target bit rate and the actual bit rate.
KW - HEVC
KW - Rate Control
KW - Rate-GOP
UR - http://www.scopus.com/inward/record.url?scp=84890520520&partnerID=8YFLogxK
UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-84890520520&origin=recordpage
U2 - 10.1109/ICASSP.2013.6637941
DO - 10.1109/ICASSP.2013.6637941
M3 - RGC 32 - Refereed conference paper (with host publication)
SN - 9781479903566
SP - 1695
EP - 1699
BT - 2013 IEEE International Conference on Acoustics, Speech, and Signal Processing - PROCEEDINGS
T2 - 38th IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2013)
Y2 - 26 May 2013 through 31 May 2013
ER -