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CLC number: TP391
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Received: 2008-08-30
Revision Accepted: 2008-11-20
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Local curve fitting based Lagrange multiplier selection for Id-slice in multi-view video coding
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Shi-fang XU, Guo-bin CHEN, Hua-dong PAN, Ji-lin LIU. Local curve fitting based Lagrange multiplier selection for Id-slice in multi-view video coding[J]. Journal of Zhejiang University Science A, 2009, 10(6): 778-785.
@article{title="Local curve fitting based Lagrange multiplier selection for Id-slice in multi-view video coding",
author="Shi-fang XU, Guo-bin CHEN, Hua-dong PAN, Ji-lin LIU",
journal="Journal of Zhejiang University Science A",
volume="10",
number="6",
pages="778-785",
year="2009",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0820632"
}
%0 Journal Article
%T Local curve fitting based Lagrange multiplier selection for Id-slice in multi-view video coding
%A Shi-fang XU
%A Guo-bin CHEN
%A Hua-dong PAN
%A Ji-lin LIU
%J Journal of Zhejiang University SCIENCE A
%V 10
%N 6
%P 778-785
%@ 1673-565X
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0820632
TY - JOUR
T1 - Local curve fitting based Lagrange multiplier selection for Id-slice in multi-view video coding
A1 - Shi-fang XU
A1 - Guo-bin CHEN
A1 - Hua-dong PAN
A1 - Ji-lin LIU
J0 - Journal of Zhejiang University Science A
VL - 10
IS - 6
SP - 778
EP - 785
%@ 1673-565X
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0820632
Abstract: The rate and distortion of id-slice do not fit the globally linear relationship on a logarithmic scale. lagrange multiplier selection methods based on the globally linear approximate relationship are neither efficient nor optimal for multi-view video coding (MVC). To improve the coding efficiency of MVC, a local curve fitting based lagrange multiplier selection method is proposed in this paper, where lagrange multipliers are selected according to the local slopes of the approximate curves. Experimental results showed that the proposed method improves the coding efficiency. Up to 2.5 dB gain was achieved at low bitrates.
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