HU Ruimin, LI Deren, YU Zhanwu, SHEN Weiming. Research and Development for ITU-TH.324 Recommendation Compliant Videophone System[J]. Geomatics and Information Science of Wuhan University, 2002, 27(1): 9-16.
Citation:
HU Ruimin, LI Deren, YU Zhanwu, SHEN Weiming. Research and Development for ITU-TH.324 Recommendation Compliant Videophone System[J]. Geomatics and Information Science of Wuhan University, 2002, 27(1): 9-16.
HU Ruimin, LI Deren, YU Zhanwu, SHEN Weiming. Research and Development for ITU-TH.324 Recommendation Compliant Videophone System[J]. Geomatics and Information Science of Wuhan University, 2002, 27(1): 9-16.
Citation:
HU Ruimin, LI Deren, YU Zhanwu, SHEN Weiming. Research and Development for ITU-TH.324 Recommendation Compliant Videophone System[J]. Geomatics and Information Science of Wuhan University, 2002, 27(1): 9-16.
The system structure,subsystem and core techniques including video coding rate control,video signal pre and post processing,quick algorithm for heavy density calculation module,lip synchronization and audio-video balance control under bad communication condition,are talked ab out in the paper.The system has the features such as crisp and smooth video performance,fr am e refresh rate of up to 25 f/s,less than 300ms system one-way processing delay,proprietary technology to support steady video communications at bad line condition down to 12kbit/s,et al.
CHEN Jiangping, FU Zhongliang, BIAN Fuling, SHA Zongyao. Application of Feature Modeling to VR-Web GIS[J]. Geomatics and Information Science of Wuhan University, 2002, 27(5): 538-542.
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