3D scene information can be represented in several ways. In applications based on a (N-)view plus (N-)depth representation, both view and depth data is compressed. In this paper we present a depth compression method containing an depth upsample filter which uses the color view as prior. Our method of depth down-/up-sampling is able to maintain clear object boundaries in the reconstructed depth maps. Our experimental results show that the proposed depth re-sampling filter, used in combination with a standard state-of-the art video encoder, can increase both the coding efficiency and rendering quality.

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