A Slice-based Rate Control Method in MPEG-2 Video Coding Standard

LI Shen; XU Wei-pu; ZHENG Nan-ning

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A Slice-based Rate Control Method in MPEG-2 Video Coding Standard

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- A Slice-based Rate Control Method in MPEG-2 Video Coding Standard
- Acta Electronica Sinica Vol. 29, Issue 6, Pages: 853-856(2001)
- 作者机构：
  
  西安交通大学人工智能与机器人研究所,陕西,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN59
- Published：2001
- 稿件说明：
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LI Shen, XU Wei-pu, ZHENG Nan-ning. A Slice-based Rate Control Method in MPEG-2 Video Coding Standard[J]. Acta Electronica Sinica, 2001, 29(6): 853-856.
DOI：

LI Shen, XU Wei-pu, ZHENG Nan-ning. A Slice-based Rate Control Method in MPEG-2 Video Coding Standard[J]. Acta Electronica Sinica, 2001, 29(6): 853-856. DOI：

摘要

本文针对TM5速率控制模型存在图象质量上下不均衡的问题

提出了一种基于片层的速率控制方法

具体给出了算法模型

并与TM5进行了算法仿真结果比较.本文的方法在一定程度上改善了图象内下部的质量

进一步提高了图象的整体质量.

Abstract

An improved rate control algorithm-slice-based rate control algorithm is provided in this paper.Through changing the bit-allocating unit from a picture to a slice

it solves the problem of quality unbalance within a picture caused by using TM5 rate control method.Further more it improves the overall quality of the picture.

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