Title :
Adaptive Intra-frame Rate Control for H.264/AVC
Author :
Chang, Kan ; Men, Aidong ; Zhang, Wenhao
Author_Institution :
Sch. of Inf. & Commun. Eng., Beijing Univ. of Posts & Telecommun., Beijing, China
Abstract :
In this paper, we present an adaptive intra-frame rate-quantization (R-Q) model for H.264/AVC. The R-Q model, which is a generic relationship among the quantization value, data bits and the frame complexity, provides a mechanism to properly select the quantization value for an intra frame at a given target bit rate. Based on the proposed intra-frame R-Q model, a bit allocation scheme for intra frame is also proposed. Experiment results show that our intra-frame rate control algorithm can reduce the number of frame skippings significantly with average PSNR improved up to 0.53 dB.
Keywords :
adaptive control; code standards; telecommunication control; video coding; H.264/AVC; R-Q model; adaptive intra-frame rate control; adaptive intra-frame rate-quantization model; frame complexity; intra-frame bit allocation scheme; target bit rate; Adaptive control; Automatic voltage control; Bandwidth; Bit rate; Communication system control; Entropy; Predictive models; Programmable control; Quadratic programming; Quantization; H.264/AVC; Intra-Frame R-Q model; Intra-Frame bit allocation; Rate control;
Conference_Titel :
Multimedia and Ubiquitous Engineering, 2009. MUE '09. Third International Conference on
Conference_Location :
Qingdao
Print_ISBN :
978-0-7695-3658-3
DOI :
10.1109/MUE.2009.21
