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A polygon soup representation for free viewpoint video

机译:免费视点视频的多边形汤表示

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This paper presents a polygon soup representation for multiview data. Starting from a sequence of multi-view video plus depth (MVD) data, the proposed representation takes into account, in a unified manner, different issues such as compactness, compression, and intermediate view synthesis. The representation is built in two steps. First, a set of 3D quads is extracted using a quadtree decomposition of the depth maps. Second, a selective elimination of the quads is performed in order to reduce inter-view redundancies and thus provide a compact representation. Moreover, the proposed methodology for extracting the representation allows to reduce ghosting artifacts. Finally, an adapted compression technique is proposed that limits coding artifacts. The results presented on two real sequences show that the proposed representation provides a good trade-off between rendering quality and data compactness.
机译:本文提出了用于多视图数据的多边形汤表示。从多视图视频加深度(MVD)数据序列开始,建议的表示形式以统一的方式考虑了不同的问题,例如紧凑性,压缩和中间视图合成。该表示分为两个步骤。首先,使用深度图的四叉树分解来提取一组3D四边形。第二,执行四边形的选择性消除以减少视图间的冗余,从而提供紧凑的表示形式。此外,所提出的用于提取表示的方法允许减少重影伪像。最后,提出了一种限制编码伪像的自适应压缩技术。在两个真实序列上呈现的结果表明,提出的表示形式在渲染质量和数据紧凑性之间提供了良好的折衷。

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