Dual Frame Motion Compensation With Uneven Quality Assignment
Video codecs that use motion compensation have shown PSNR gains from the use of multiple frame prediction, in which more than one past reference frame is available for motion estimation. In dual frame motion compensation, one short-term reference frame and one long-term reference frame are available...
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| Veröffentlicht in: | IEEE transactions on circuits and systems for video technology 2008-02, Vol.18 (2), p.249-256 |
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| container_title | IEEE transactions on circuits and systems for video technology |
| container_volume | 18 |
| creator | Chellappa, V. Cosman, P.C. Voelker, G.M. |
| description | Video codecs that use motion compensation have shown PSNR gains from the use of multiple frame prediction, in which more than one past reference frame is available for motion estimation. In dual frame motion compensation, one short-term reference frame and one long-term reference frame are available for prediction. In this paper, we explore using dual frame motion compensation in two contexts. We first show that using a single fixed long-term reference frame in the context of a rate switching network can enhance video quality. Next, by periodically creating high-quality long-term reference frames, we show that the performance is superior to a standard dual frame technique that has the same average rate but no high-quality frames. |
| doi_str_mv | 10.1109/TCSVT.2008.916575 |
| format | Article |
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In dual frame motion compensation, one short-term reference frame and one long-term reference frame are available for prediction. In this paper, we explore using dual frame motion compensation in two contexts. We first show that using a single fixed long-term reference frame in the context of a rate switching network can enhance video quality. 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| ispartof | IEEE transactions on circuits and systems for video technology, 2008-02, Vol.18 (2), p.249-256 |
| issn | 1051-8215 1558-2205 |
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| subjects | Applied sciences Automatic voltage control Circuits Codec Detection, estimation, filtering, equalization, prediction Dual frame buffer Encoding Exact sciences and technology Frames Gain Image processing Information, signal and communications theory long-term reference frame Miscellaneous Motion compensation Motion estimation Networks PSNR Signal and communications theory Signal processing Signal, noise Streaming media Switching Switching and signalling Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transform coding Video codecs Video coding Wireless networks |
| title | Dual Frame Motion Compensation With Uneven Quality Assignment |
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