Paper Title:
Rate Distortion Model Analysis for H.264/AVC Video Coding
  Abstract

The Rate-Distortion model, which denotes relations among distortion, bit rate and quantization parameter for a video sequence, is a crucial issue in rate control. The quadratic R-D model has been widely used in H.264/AVC rate control because of its high performance. Since the adoption of Rate Distortion Optimization in H.264/AVC, the rate control algorithm is more complex than that of previous standards. In this paper, we firstly analyze the model error of the quadratic model, and then calculate the prediction error of MAD in H.264/AVC based on theoretical derivation and extensive experiments, finally propose a linear MAD model to predict the current MAD. Experimental results demonstrate that the proposed linear model gains higher prediction accuracy than the quadratic model.

  Info
Periodical
Advanced Materials Research (Volumes 108-111)
Edited by
Yanwen Wu
Pages
172-177
DOI
10.4028/www.scientific.net/AMR.108-111.172
Citation
L. Tian, Y. M. Zhou, Y. Sun, S. X. Sun, "Rate Distortion Model Analysis for H.264/AVC Video Coding", Advanced Materials Research, Vols. 108-111, pp. 172-177, 2010
Online since
May 2010
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Price
$32.00
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