Direction-Field Based Fast Block Matching Motion Estimation Technology
In a video encoder, the most time-consuming component is the motion estimation (ME) algorithm. To reduce the computational complexity of the ME algorithm, a direction field based fast search algorithm is proposed. The search range was reduced by using the previous motion vector (MV)information. The search times were also decreased by adding the initial predictor MV candidate. Thus, a large number of searching points are skipped according to the information of current direction field. The experimental results demonstrate that the performance of the proposed algorithm is comparable with the other algorithms such as FS, APDZS, MVFAST, and PMVFAST, in terms of both PSNR-Y and bit stream length, with less searching computational complexity.
Video Compression Motion Estimation Direction Field Block Matching Ouick Search
Yigang Wang Huiming Tang Jialin Cui Bin Xu
Dept.of Information Science & Engineering, Ningbo Institute of Technology, Zhejiang University, Ning Dept.of information science & Electronic Engineering, Zhejiang University, Hangzhou, Zhejiang 310027 Dept.of Information Science & Engineering, Ningbo Institute of Technology, Zhejiang University, Ning
国际会议
杭州
英文
1268-1271
2006-10-12（万方平台首次上网日期，不代表论文的发表时间）