摘要
为了解决视频编解码后图像出现方块的效应,文章通过研究与对比现有的去块算法,提出适于H.264标准的改进图像去方块算法。详细阐述算法的改进思想和实现过程,给出了改进后新的处理顺序,对边界去块强度计算公式进行推导。最后对改进算法进行性能测试,结果表明算法运行时间减法短,存储空间减少,性能大大提高。
In order to solve the block effect problem when the video is coded or decoded, the picture smooth block algorithm suitable for the H. 264 standard is proposed by through researching and comparing various smooth block algorithms. The improved algorithm and its implementation process are discussed in detail. The new processing sequence is given and the boundary smooth block strength calculation formula is derived. The test results indicate that the proposed algorithm＇ s running time becomes shorter, storage space less, and performance is raised.
出处
《通信技术》
2009年第2期184-186,190,共4页
Communications Technology
基金
广西教育厅科研课题(编号:200808LX243)。
关键词
视频编解码
去方块
H.264
算法
硬件实现
video coding and decoding
smooth block
H. 264
algorithm
hardware realization
