TY - GEN
T1 - Enhanced inter prediction with localized weighted prediction in HEVC
AU - Zhang, Na
AU - Lu, Yiran
AU - Fan, Xiaopeng
AU - Xiong, Ruiqin
AU - Zhao, Debin
AU - Gao, Wen
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015
Y1 - 2015
N2 - Inter prediction plays an important role in most video encoding systems since it could significantly improve coding performance. The more accurate the prediction of the current block, the smaller the residual, and the higher coding efficiency could be achieved accordingly. In this paper, a localized weighted prediction method is proposed to improve inter prediction accuracy. The linear regression improvement model is employed to modify the prediction pixel values. The weighting parameters are estimated in both encoder and decoder, no additional bits are required to be transmitted. The proposed method shows better coding performance than previous methods, including the explicit weighted prediction method in High Efficiency Video Coding (HEVC). Experimental results show that the BD bit rate saving of the proposed method is up to 7.4% compared to HM12.0, while the decoding complexity is almost the same.
AB - Inter prediction plays an important role in most video encoding systems since it could significantly improve coding performance. The more accurate the prediction of the current block, the smaller the residual, and the higher coding efficiency could be achieved accordingly. In this paper, a localized weighted prediction method is proposed to improve inter prediction accuracy. The linear regression improvement model is employed to modify the prediction pixel values. The weighting parameters are estimated in both encoder and decoder, no additional bits are required to be transmitted. The proposed method shows better coding performance than previous methods, including the explicit weighted prediction method in High Efficiency Video Coding (HEVC). Experimental results show that the BD bit rate saving of the proposed method is up to 7.4% compared to HM12.0, while the decoding complexity is almost the same.
KW - HEVC
KW - hybrid video coding
KW - inter prediction
KW - linear regression improvement model
KW - localized weighted prediction
UR - https://www.scopus.com/pages/publications/84978985677
U2 - 10.1109/VCIP.2015.7457813
DO - 10.1109/VCIP.2015.7457813
M3 - 会议稿件
AN - SCOPUS:84978985677
T3 - 2015 Visual Communications and Image Processing, VCIP 2015
BT - 2015 Visual Communications and Image Processing, VCIP 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - Visual Communications and Image Processing, VCIP 2015
Y2 - 13 December 2015 through 16 December 2015
ER -