DocumentCode
1655455
Title
A Rate-Distortion Rate Control Algorithm Based rho-Domain for Video Coding
Author
Huang Xiaoping ; Jin Rong ; Cao Rujun
Author_Institution
Dept. of Comput. Sci., Zhejiang Sci-Tech Univ., Hangzhou, China
fYear
2011
Firstpage
1
Lastpage
4
Abstract
A rate-distortion optimal rate control algorithm based ρ-domain for Video Coding is presented, which improves the existing rate model based ρ-domain and distortion model. It uses Lagrange optimization method and obtains optimization quantization parameter for video encoder. Experimental results show that the rate control algorithm can achieve better video quality than JM98´s. The algorithm is simple and adapted for real-time video communication.
Keywords
data compression; encoding; optimisation; video coding; ρ-domain; Lagrange optimization method; optimization quantization parameter; rate-distortion rate control algorithm; real-time video communication; video coding; video encoder; Bit rate; Discrete cosine transforms; Encoding; Mathematical model; PSNR; Quantization; Rate-distortion;
fLanguage
English
Publisher
ieee
Conference_Titel
Wireless Communications, Networking and Mobile Computing (WiCOM), 2011 7th International Conference on
Conference_Location
Wuhan
ISSN
2161-9646
Print_ISBN
978-1-4244-6250-6
Type
conf
DOI
10.1109/wicom.2011.6040555
Filename
6040555
Link To Document