J4 ›› 2011, Vol. 49 ›› Issue (02): 283-288.

• 计算机科学 • 上一篇    下一篇

基于H.264/AVC视频标准的改进UMHexagonS算法

陈戈珩, 费东尼   

  1. 长春工业大学 计算机科学与工程学院, 长春 130012
  • 收稿日期:2010-07-29 出版日期:2011-03-26 发布日期:2011-06-14
  • 通讯作者: 陈戈珩 E-mail:chengeheng@mail.ccut.edu.cn

UMHexagonS Algorithm Based on H.264/AVC Video Standard

CHEN Geheng, FEI Dongni   

  1. College of Computer Science and Engineering, Changchun University of Technology, Changchun 130012, China
  • Received:2010-07-29 Online:2011-03-26 Published:2011-06-14
  • Contact: CHEN Geheng E-mail:chengeheng@mail.ccut.edu.cn

摘要:

基于H.264/AVC视频编码标准, 通过分析非对称十字型多层次六边形格点搜索(UMHexagonS)算法的流程及存在的问题, 提出一种改进的分像素搜索算
法, 并给出了改进的UMHexagonS搜索算法流程. 实验结果表明了改进算法的有效性, 在保证图像质量的同时, 显著减少了编码时间, 提高了编码效率.

关键词: 匹配, 估计, 编码, 搜索

Abstract:

On the basis of H.264/AVC video coding standard, an improved subpixel search algorithm was presented via the analysis of the current UMHexagonS algorithm processes and problems, optimization of the entire pixel search algorithm UMHexagonS with the improved UMHexagonS algorithm process given. Experimental results show the improved algorithm, on the premise of ensuring the quality of the images, significantly reduces the encoding time and improves the coding efficiency.

Key words: matching; estimation; coding; search

中图分类号: 

  • TP309