| H.261会议电视系统的硬件实现及其控制策略研究 |
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| 引用本文： | 阎安,姚晓靖.H.261会议电视系统的硬件实现及其控制策略研究[J].通信学报,1995,16(5):27-35. |
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| 作者姓名： | 阎安 姚晓靖 |
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| 作者单位： | 上海交通大学 |
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| 摘 要： | 介绍按国际建议设计并实现的会议电视系统，对其构成、设计特点及硬件实现，特别 对其核心技术－符合ＩＴＵ－ＴＨ．２６１建议的视频编解码硬件实现做了初步探讨，并提出了有效的传输缓存器控制和自适应量化策略。
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| 关 键 词： | 会议电视 图像编解码 硬件 控制策略 |
Hardware Implementation and Control Strategy of Videoconference System Based on Rec. H.261 |
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| Yan An,YaoXiaojing,Liu Wanchun,Shi shouyi,Yu Songyu.Hardware Implementation and Control Strategy of Videoconference System Based on Rec. H.261[J].Journal on Communications,1995,16(5):27-35. |
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| Authors: | Yan An YaoXiaojing Liu Wanchun Shi shouyi Yu Songyu |
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| Abstract: | The design and realization of a videoconference system based on international recommendations are introduced in this paper,whereas hardware implementation of video codec based on ITU-T H. 261 are briefly discussed, the transmission buffer control method and the adaptive quantization strategy are proposed.This system can be operated under the transmission rate from 128kb/s to 2Mb/s with system delay of about half a second and high subjective image quality. |
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| Keywords: | videoconference video codec transmission channel buffer |
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