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Frame-level dependent bit allocation via geometric programming | IEEE Conference Publication | IEEE Xplore

Frame-level dependent bit allocation via geometric programming


Abstract:

In this paper, a novel frame-level dependent bit allocation (DBA) method is proposed. Our contribution is two fold: First, the dependency between adjacent frames is quant...Show More

Abstract:

In this paper, a novel frame-level dependent bit allocation (DBA) method is proposed. Our contribution is two fold: First, the dependency between adjacent frames is quantitatively measured by the introduced inter-frame dependency model(IFDM). The IFDM not only holds for slow video sequences, but remains valid for video sequences of median and high motion as well. Second, based on the IFDM, the conventional DBA problem is revisited and finally it is categorized to a geometric programming problem which can be optimally and effectively solved using interior-point methods. Experimental results show that a significant gain of up to 0.5dB in PSNR can be obtained.
Date of Conference: 15-18 May 2011
Date Added to IEEE Xplore: 04 July 2011
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Conference Location: Rio de Janeiro, Brazil

References

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