| MPEG4中基于内容的视频编码及音频技术剖析 |
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| 引用本文： | 余小高,董利红. MPEG4中基于内容的视频编码及音频技术剖析[J]. 武汉理工大学学报(信息与管理工程版), 2003, 25(6): 68-71,75 |
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| 作者姓名： | 余小高 董利红 |
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| 作者单位： | 武汉理工大学,计算机科学与技术学院,湖北,武汉,430063 |
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| 摘 要： | 除了对MPEG4中具有MPEG1和MPEG2标准的基于“帧”的功能描述以外，还对数据采用基于内容的操作、存取、传输及MPEG4中的音频技术进行了较为全面系统的剖析。阐述了MPEG4视频编码算法中基于内容的功能及其算法结构，在对音频技术作了较详细介绍的前提下，作了一些性能和应用上的分析。
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| 关 键 词： | MPEG 4 基于内容的编码 形状编码 视频编码 音频 |
| 文章编号： | 1007-144X(2003)06-0068-04 |
Analysis of Content-Based Video Coding and Audio Frequency Technology in MPEG4 |
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| YU Xiao-gao,DONG Li-hong YU Xiao-gao:Doctoral Candidate, School of Computer Science and Technology,WUT,Wuhan ,China.. Analysis of Content-Based Video Coding and Audio Frequency Technology in MPEG4[J]. Journal of Wuhan University of Technology(Information & Management Engineering), 2003, 25(6): 68-71,75 |
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| Authors: | YU Xiao-gao DONG Li-hong YU Xiao-gao:Doctoral Candidate School of Computer Science Technology WUT Wuhan China. |
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| Affiliation: | YU Xiao-gao,DONG Li-hong YU Xiao-gao:Doctoral Candidate, School of Computer Science and Technology,WUT,Wuhan 430063,China. |
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| Abstract: | Besides those functions based on frames in MPEG1 and MPEG2, MPEG4 features content-based operation, access and transmission for data, and audio frequency technology. The content-based function and algorithm structure in MPEG4 video coding are described, and the application of audio frequency technology analyzed. |
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| Keywords: | MPEG4 content-based coding shaped coding video coding audio frequency |
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