标题: | A VBR rate control using MINMAX criterion for video streaming |
作者: | Li, CH Wang, CN Chiang, TH 资讯工程学系 电子工程学系及电子研究所 Department of Computer Science Department of Electronics Engineering and Institute of Electronics |
公开日期: | 2002 |
摘要: | In this paper, we present a frame-level rate control scheme based on a modified linear Rate-Distortion model to achieve minimal maximum (MINMAX) distortion for frame-dependent quantizers. The MINMAX distortion measure is used because the worst visual quality often dominates the overall perceptual quality. In our approach, we first perform the iterative offline analysis of the rate-distortion behavior for the original sequences on a video server. Such compactly stored information enables the encoder to select quantization parameters in real-time during streaming process. Our results show that our algorithm obtains higher minimum PSNR values than the TM5 rate control while the average PSNR is similar. We also use the same technique to optimize statistical multiplexing for a multi-channel transmission application. |
URI: | http://hdl.handle.net/11536/29167 |
ISBN: | 3-540-00262-6 |
ISSN: | 0302-9743 |
期刊: | ADVANCES IN MULTIMEDIA INFORMATION PROCESSING - PCM 2002, PROCEEDING |
Volume: | 2532 |
起始页: | 831 |
结束页: | 838 |
显示于类别: | Conferences Paper |