高清电视的运动补偿多分辨率传输

IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record Pub Date : 1991-12-02 DOI:10.1109/GLOCOM.1991.188359

J. Woods, T. Naveen

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引用次数: 8

摘要

比较了两种通过子带编码实现高清晰度电视多分辨率传输的方法。一种简单的压缩技术是对视频的空间子带逐帧编码。作者将子带分解应用于视频中运动的层次估计以及累进传输系统中的误差编码。对于二维QMF金字塔的运动估计，可以使用pel递归或块匹配。通过对测试序列的模拟，作者通过逐帧编码的运动补偿获得了2db的增益。

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Motion compensated multiresolution transmission of HDTV

Two methods to perform multiresolution transmission of HDTV (high-definition television) through subband coding are compared. A simple compression technique is frame-by-frame encoding of the spatial subbands of the video. The authors have used the subband decomposition in hierarchical estimation of the motion in the video as well as in encoding the error in a progressive transmission system. One can use either pel recursion or block matching for the motion estimation in a 2D QMF pyramid. By simulating on a test sequence, the authors obtained a gain of 2 dB using motion compensation over frame-by-frame coding.<>

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IEEE Global Telecommunications Conference GLOBECOM '91: Countdown to the New Millennium. Conference Record

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