Paper Info
Title
Fast Variable Block Size Motion Estimation for H.264 Using Likelihood and Correlation of Motion Field
Abstract
Variable block size motion compensation has been adopted by the emerging video coding standard H.264. It can represent the motion characteristic in a macroblock more accurately and, therefore, reduces the prediction error to achieve high compression gains. On the other hand, it causes high computational complexity in motion estimation at the encoder. The motion estimation exhaustively performed over all modes to find the best mode for inter coding is slow and computationally involved. In order to reduce the complexity, we proposed a fast inter mode decision algorithm for H.264 encoder. The proposed method efficiently determines a suitable block mode according to the motion field distribution and correlation within a macroblock. The experimental results show that the proposed method reduces a considerable amount of complexity at encoder, while the rate-distortion performance of the proposed method is comparable to that of full mode search
Year
DOI
Venue
2006
10.1109/TCSVT.2006.883512
IEEE Trans. Circuits Syst. Video Techn.
Keywords
Field
DocType
motion characteristic,suitable block mode,motion field,motion estimation,fast variable block size,full mode search,motion field distribution,motion estimation exhaustively,fast inter mode decision,best mode,variable block size motion,video compression,computational complexity,maximum likelihood estimation,motion compensation,prediction error,maximum likelihood
Macroblock,Computer vision,Block-matching algorithm,Motion field,Quarter-pixel motion,Computer science,Control theory,Motion compensation,Encoder,Artificial intelligence,Motion estimation,Data compression
Journal
Volume
Issue
ISSN
16
10
1051-8215
Citations 
PageRank 
References 
40
2.60
14
Authors
2
Name
Order
Citations
PageRank
Tien-Ying Kuo114819.24
Chen-Hung Chan2402.60