Title :
SPEM online rate control for realtime streaming video
Author :
Nguyen, Anthony G. ; Hwang, Jenq-Neng
Author_Institution :
Boeing Co., Seattle, WA, USA
Abstract :
We present a Smooth Pursuit Eye Movement (SPEM) coding scheme to control the encoder generated variable bit rate (VBR) data over a constant bit rate (CBR) channel for real-time streaming video applications. This proposed rate control integrates both frame and block layer rate control to regulate the bit rate using the combination of feedforward control, feedbackward control, and model-based approaches together with characteristics of human visual perception. As a result, our proposed SPEM rate control method encodes the video sequence with less frame skipping and with higher encoded video quality compared to TMN8, which is currently implemented in the UBC H263+ codec.
Keywords :
image sequences; real-time systems; variable rate codes; video codecs; video coding; visual perception; SPEM; Smooth Pursuit Eye Movement; block layer rate control; codec; constant bit rate channel; feedbackward control; feedforward control; frame control; frame skipping; human visual perception; model-based approaches; online rate control; real-time streaming video; signal-to-noise ratio; variable bit rate data; video coding; video sequence; Bit rate; Distortion measurement; Humans; Information processing; PSNR; Radio control; Rate-distortion; Streaming media; Video sequences; Visual perception;
Conference_Titel :
Information Technology: Coding and Computing, 2002. Proceedings. International Conference on
Print_ISBN :
0-7695-1506-1
DOI :
10.1109/ITCC.2002.1000361
