摘要
对基于"非对称十字型多层次六边形格点搜索"(UMHexagonS)的帧间模式选择算法进行了改进,应用了优先判断SKIP模式和基于图像细节的分块模式选择算法。实验结果表明,该方法在保证图像失真度和码率性能的前提下,单帧编码时间较UMHexagonS减少了57.48%,较大幅度增加了帧间模式的决策速度。
Fast inter-mode decision algorithm based on ＂Unsymmetrical cross Hexagon grid Search＂ （UMHexagonS） was improved in this paper. The priority estimation of SKIP mode and the inter-mode decision based on image detail were employed. Experimental results show that the one-frame scramble time of fast inter-mode decision, compared with UMHexagonS algorithm, is reduced by 57.48% with negligible loss of peak signal-to-noise ratio.
出处
《计算机应用》
CSCD
北大核心
2007年第9期2150-2151,2156,共3页
journal of Computer Applications
