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首页> 外文期刊>Journal of visual communication & image representation >Efficient disparity vector prediction schemes with modified P frame for 2D camera arrays
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Efficient disparity vector prediction schemes with modified P frame for 2D camera arrays

机译：具有改进的P帧的2D摄像机阵列的高效视差矢量预测方案

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摘要

An efficient disparity estimation algorithm for multi-view video sequences, recorded by a two-dimen sional camera array in which the cameras are spaced equidistantly, is presented. Because of the strong geometrical relationship among views, the disparity vectors of a certain view can for most blocks be derived from the disparity vectors of other views. A frame constructed using that idea is called a D frame in this work. Three new prediction schemes which contain D frames are proposed for encoding 5×3 multi-view video sequences. The schemes are applied to several multi-view image sequences taken from a camera-array and they are compared in terms of quality, bit-rate and complexity. The experimental results show that the proposed prediction schemes significantly decrease the complexity of the encoder at a very low cost of quality and/or bit-rate.
机译：提出了一种有效的视差估计算法，该算法由二维摄像机阵列记录的多视角视频序列组成，其中摄像机等距间隔。由于视图之间的强几何关系，对于大多数块，可以从其他视图的视差矢量中得出某个视图的视差矢量。使用该构想构造的框架在本文中称为D框架。提出了三种新的包含D帧的预测方案，以对5×3多视点视频序列进行编码。该方案应用于从摄像机阵列获取的多个多视图图像序列，并在质量，比特率和复杂性方面进行了比较。实验结果表明，所提出的预测方案以非常低的质量和/或比特率成本显着降低了编码器的复杂性。

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  • 作者

    Aykut Avci; Jan De Cock; Peter Lambert; Roel Beernaert; Jelle De Smet; Lawrence Bogaert; Youri Meuret; Hugo Thienpont; Herbert De Smet;

  • 作者单位

    Ghent University, Centre for Microsystems Technology, Department of Electronics and Information Systems, Technologiepark 914, B-9052 Ghent, Belgium;

    Ghent University - IBBT, Department of Electronics and Information Systems, Multimedia Lab, Gaston Crommenlaan 8 bus 201, B-9050 Ledeberg-Ghent, Belgium;

    Ghent University - IBBT, Department of Electronics and Information Systems, Multimedia Lab, Gaston Crommenlaan 8 bus 201, B-9050 Ledeberg-Ghent, Belgium;

    Ghent University, Centre for Microsystems Technology, Department of Electronics and Information Systems, Technologiepark 914, B-9052 Ghent, Belgium;

    Ghent University, Centre for Microsystems Technology, Department of Electronics and Information Systems, Technologiepark 914, B-9052 Ghent, Belgium;

    Vrije Universiteit Brussel, Brussels Photonics Team, Pleinlaan 2, B-1050 Brussels, Belgium;

    Vrije Universiteit Brussel, Brussels Photonics Team, Pleinlaan 2, B-1050 Brussels, Belgium;

    Vrije Universiteit Brussel, Brussels Photonics Team, Pleinlaan 2, B-1050 Brussels, Belgium;

    Ghent University, Centre for Microsystems Technology, Department of Electronics and Information Systems, Technologiepark 914, B-9052 Ghent, Belgium,IMEC, Centre for Microsystems Technology, Technologiepark 914, B-9052 Ghent, Belgium;

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  • 正文语种 eng
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  • 关键词

    multi-view; video coding; camera array; disparity; vector coding; estimation; complexity; scheme; prediction; H.264;

    机译：多视图视频编码;相机阵列;差距;矢量编码估计复杂;方案;预测;H.264;

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