| A Novel Rate Control Method for Low Delay Applications |
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| 引用本文： | SHI Ke wei,CAI An ni,SUN Jing ao (School of Telecommunication Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,P.R. China). A Novel Rate Control Method for Low Delay Applications[J]. 中国邮电高校学报(英文版), 2000, 7(4): 31-34 |
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| 作者姓名： | SHI Ke wei CAI An ni SUN Jing ao (School of Telecommunication Engineering Beijing University of Posts and Telecommunications Beijing 100876 P.R. China) |
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| 作者单位： | School of Telecommunication Engineering，Beijing University of Posts and Telecommunications，Beijing 100876，P.R. China |
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| 摘 要： | 1 ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｌｏｗ ｄｅｌａｙｒａｔｅｉｓａｎｉｍｐｏｒｔａｎｔｒｅｑｕｉｒｅｍｅｎｔｏｆｖｉｄｅｏｅｎｃｏｄｉｎｇｉｎｒｅａｌ ｔｉｍｅａｐｐｌｉｃａｔｉｏｎｓｓｕｃｈａｓｖｉｄｅｏｐｈｏｎｅａｎｄｖｉｄｅｏｃｏｎｆｅｒｅｎｃｉｎｇ .Ｔｈｅｒａｔｅｃｏｎ ｔｒｏｌｏｆＴＭＮ5[1 ] ｉｓｗｅｌｌｋｎｏｗｎｉｎｔｈｅＨ .2 63ｅｎｃｏｎ ｄｅｒ,ｂｕｔｉｔｃａｎｎｏｔｇｉｖｅｓａｔｉｓｆａｃｔｏｒｙ ｐｅｒｆｏｒｍａｎｃｅｉｎｌｏｗｂｉｔ ｒａｔｅｖｉｄｅｏｃｏｉｎｇ .Ｗｈｅｎｔｈｅｅｎ…
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A Novel Rate Control Method for Low-Delay Applications |
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| SHI Ke-wei,CAI An-ni,SUN Jing-ao. A Novel Rate Control Method for Low-Delay Applications[J]. The Journal of China Universities of Posts and Telecommunications, 2000, 7(4): 31-34 |
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| Authors: | SHI Ke-wei CAI An-ni SUN Jing-ao |
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| Abstract: | In real time applications, the low delay rate is an important requirement of video coding. We propose a simple low delay rate control method in this paper for such applications. In this method, target bits are divided into two parts: uncontrolled and controlled bits in the frame layer. The first part is assigned to the header, syntax and motion vectors according to that spent in the previous encoded frame. The second part is assigned to DCT coeffcients by employing a rate model for mactorblock Q P determination. Experiments show that the proposed method can achieve better performance compared with that of the test model TMN5 of H .263, and slightly worse performance, but with lower computation complexity, compared with that of the TMN8 of H.263 . |
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| Keywords: | rate cotnrol low delay H .263 low bit rate video cod| |
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