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3D video: Depth coding based on inter-component prediction of block partitions

: Merkle, P.; Bartnik, C.; Müller, K.; Marpe, D.; Wiegand, T.


Domanski, M. ; Institute of Electrical and Electronics Engineers -IEEE-:
Picture Coding Symposium, PCS 2012. Proceedings : Krakow, Poland, 7 - 9 May 2012
Piscataway, N.J: IEEE, 2012
ISBN: 978-1-4577-2048-2
ISBN: 978-1-4577-2047-5
Picture Coding Symposium (PCS) <29, 2012, Krakow>
Fraunhofer HHI ()

This paper presents a new approach for 3D video coding, where the video and the depth component of an MVD representation are jointly coded in an integrated framework This enables a new type of prediction for exploiting the correlations of video and depth signals in addition to existing methods for temporal and inter-view prediction. Our new method is referred to as inter-component prediction and we adopt it for predicting non-rectangular partitions in depth blocks. By dividing the block into two regions, each represented with a constant value, such block partitions are well-adapted to the characteristics of depth maps. The results show that this approach reduces the bit rate of the depth component by up to 11% and leads to an increased quality of rendered views.