Motion Search Method Based on Zero-Block Detection in H.264/AVC

摘要：

In order to reduce the computation in the H.264encoder, a new method for the motion search based onthe zero-block detection is proposed in this paper.According to the characteristics of the transform andmotion search in H.264, the zero-block detection isperformed in the process of the motion search for theinter-frame encoding by comparing the Sum of theAbsolute Differences (SAD) to a value related with theQuantization Parameter (QP). The process of themotion search will stop when a zero-block is detected,and the transform and quantization of this zero-blockwill be skipped, which leads to save a lot of time for theH.264 encoder. Simulation results showed that incontrast with the JM7.4 video encoder, the proposedmethod reduces the computations and code lengthwithout loss of the encoding picture quality, and it isvery efficient in real time low bit rate video encoding.

作者: Yun CHENG Kui DAI Zhiying WANG Jianzhuang LU

作者单位: College of Computer,National University of Defense Technology,Changsha,China 410073;Department of Co College of Computer,National University of Defense Technology,Changsha,China 410073

会议类型: 国际会议

会议名称: The 8th International Conference on Computer Supported Cooperative Work in Design(第八届计算机支持的协同工作设计国际会议)(CSCWD2004)

会议地点: 厦门

会议语种:英文

页码: 739-743

在线出版日期: 2004-05-26（万方平台首次上网日期，不代表论文的发表时间）