標題: Three-dimensional PAC video codec for wireless data transmission
作者: Wen, KA
Chen, AY
Lan, YJ
Lin, JL
Lin, CH
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: combined source coding and channel modulation;entropy coding;multimedia communication;variable bit rate coding;videocoding
公開日期: 1-Dec-2000
摘要: A newly derived algorithm called three-dimensional polynomial approximation coding (3DPAC) is being utilized in the applications of wireless video transmission. After combining the spatial and temporal domain, the video data is organized in a cube form, which has the features of processing parallelism and great compression ratio. Such a very low bit-rate video codec is able to support the wireless data transmission with a bit rate lower than 9.6 kbits/s, The system architecture will be presented and an experimental demonstration is also shown. For a video sequence of 176 x 144 frame size, PSNR up to 35 dB maybe obtained under 6.5 kbits/s transmission rate.
URI: http://dx.doi.org/10.1109/76.889050
http://hdl.handle.net/11536/30122
ISSN: 1051-8215
DOI: 10.1109/76.889050
期刊: IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY
Volume: 10
Issue: 8
起始頁: 1455
結束頁: 1470
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