Title
A Fast Mode Selection Algorithm In H.264 Video Coding
Abstract
For improvement of coding efficiency, the H.264 video coding standard uses new coding tools, such as variable block size, quarter-pixel-accuracy motion estimation, multiple reference frames, intra prediction, loop filter, etc. Using these coding tools, H.264 achieves significant improvement in coding efficiency compared with existing standards. However, encoder complexity increases tremendously. Among the tools, the macroblock mode selection and the motion estimation contribute most to total encoder complexity. This paper focuses on complexity reduction in macroblock mode selection. Of all macroblock modes which can be selected, inter8x8 and intra4x4 have the highest complexity. We propose two methods for complexity reduction of inter8x8 and intra4x4 by using the costs of the other macroblock modes. Simulation results show that the proposed methods save up to 57.7% of total encoding time compared with the H.264 reference implementation, whereas the average PSNR only decreases less than 0.05dB.
Year
DOI
Venue
2006
10.1109/ICME.2006.262879
2006 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO - ICME 2006, VOLS 1-5, PROCEEDINGS
Keywords
Field
DocType
encoding,complexity reduction,psnr,reference frame,information analysis,motion estimation
Macroblock,Reference frame,Computer vision,Block-matching algorithm,Coding tree unit,Computer science,Motion compensation,Algorithm,Multiview Video Coding,Artificial intelligence,Sub-band coding,Context-adaptive binary arithmetic coding
Conference
Citations 
PageRank 
References 
10
0.72
4
Authors
2
Name
Order
Citations
PageRank
Dong-Hyung Kim113014.38
Jechang Jeong21002141.22