基于区域编码器的率失真最优轮廓预测

Computer analysis of images and patterns : proceedings of the ... International Conference on Automatic Image Processing. International Conference on Automatic Image Processing Pub Date : 1997-10-26 DOI:10.1109/ICIP.1997.638670

Klaus Stuhlmüller, B. Girod

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摘要

本文提出了一种轮廓线预测方案。给出了其在基于区域的运动补偿算法中的应用。为了在速率失真的情况下达到最优的性能，使用拉格朗日代价函数对预测区域进行了优化。利用轮廓预测可以降低运动补偿的比特率。

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Rate-distortion optimal contour prediction for a region-based coder

In this paper a contour prediction scheme is presented. Its application in a region-based motion compensation algorithm is shown. To achieve optimal performance in a rate-distortion sense the predicted regions are optimized by using a Lagrangian cost function. By using contour prediction the bit rate for motion compensation can be decreased.

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Computer analysis of images and patterns : proceedings of the ... International Conference on Automatic Image Processing. International Conference on Automatic Image Processing

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