| 宽屏幕彩电中的压缩技术 |
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| 引用本文： | 陈田明,徐中州.宽屏幕彩电中的压缩技术[J].深圳大学学报(理工版),1998,15(1):27-32. |
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| 作者姓名： | 陈田明 徐中州 |
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| 作者单位： | 深圳大学信息工程学院 |
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| 摘 要： | 对现有１６：９宽屏幕彩电在接收４：３宽高比图像出现的水平失真现象，提出了一种实用的数字压缩技术，将亮度信号（Ｙ）、二个色差信号（Ｒ－Ｙ、Ｂ－Ｙ）进行数字化处理，按一定规则在存贮器中实现对信号的存取，实现图像在时间轴上的压缩，解决了图像的水平失真问题．文中在理论分析的基础上给出了实用的电路原理图．
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| 关 键 词： | 高清晰度电视 时间压缩 宽屏彩电 |
Color TV Data Compression in Wide Screen |
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| Chen Tianming and Xu Zhongzhou,College of Information Engineering Shenzhen University Shenzhen P.R.China.Color TV Data Compression in Wide Screen[J].Journal of Shenzhen University(Science &engineering),1998,15(1):27-32. |
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| Authors: | Chen Tianming and Xu Zhongzhou College of Information Engineering Shenzhen University Shenzhen PRChina |
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| Affiliation: | Chen Tianming and Xu Zhongzhou College of Information Engineering Shenzhen University Shenzhen 518060 P.R.China |
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| Abstract: | In order to mitigate the effect of horizontal distortion when receiving signals with width to height ratio of 4:3,a new data compression techinque is proposed for the 16:9 wide screen color TV.The Brightness(illuminance)signal(Y)and two color difference signals(R-Y,B-Y)are digitized before they are stored in or retrieved from the memory according to some pre specified rules,achieving temporal image compression.A practical circuit diagram is also presented in the paper. |
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| Keywords: | HDTV temporal image compression wide screen color TV |
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