DocumentCode
1324188
Title
A new algorithm on MPEG-2 target bit-number allocation at scene changes
Author
Luo, Li-Jun ; Zou, Cai-Rong ; He, Zhen-Ya
Author_Institution
Dept. of Radio Eng., Southeast Univ., Nanjing, China
Volume
7
Issue
5
fYear
1997
fDate
10/1/1997 12:00:00 AM
Firstpage
815
Lastpage
819
Abstract
The bit-number allocation strategy of Test Model 5 (TM5) may cause the coding quality to decrease and the buffer to overflow at scene changes, therefore a new algorithm on MPEG-2 target bit-number allocation is proposed in this letter. Here the influence of scene changes on coding quality is analyzed and an approach to improve the coding performance at scene changes is presented to avoid a sharp quality decrease of scene-change frames. Simulation results indicate that this algorithm provides a promising coding quality at scene changes
Keywords
computational complexity; image sequences; motion estimation; video coding; MPEG-2 target bit-number allocation; Test Model 5; coding quality; scene changes; simulation result; video coding; Change detection algorithms; Decoding; Helium; Layout; Motion compensation; Motion estimation; Performance analysis; Quantization; Testing; Video coding;
fLanguage
English
Journal_Title
Circuits and Systems for Video Technology, IEEE Transactions on
Publisher
ieee
ISSN
1051-8215
Type
jour
DOI
10.1109/76.633504
Filename
633504
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