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The 3D extension of the High Efficiency Video Coding (HEVC) standard achieves large compression rates thanks to the addition of several tools to encode multiview and depth information on top of those available in HEVC. The use of such tools incur in a very large computational demand, which can be a serious problem in power and computationally-constrained devices and applications. However, not all...
This work presents the Edge-Aware Depth Motion Estimation (E-ADME), a complexity reduction scheme developed for depth maps coding on 3D High Efficiency Video Coding (3D-HEVC). This scheme focuses on obtaining an execution time reduction while keeping a high quality of the encoded depth map. E-ADME starts classifying each encoding depth block as edge or homogeneous. If the block is classified as an...
This paper presents a novel early Skip/DIS mode decision for 3D-HEVC depth encoding which aims at reducing the complexity effort of this process. The proposed solution is based on an adaptive threshold model, which takes into consideration the occurrence rate of both Skip and DIS modes. Occurrence analysis showed that the lower is the Skip and DIS Rate-Distortion cost, the higher is the probability...
This paper presents a qualitative discussion of the depth maps properties that can be considered to achieve complexity reduction for 3D-High Efficiency Video Coding (3D-HEVC) depth maps coding. Both intra and inter-frame predictions are considered in this discussion that conduced to the proposition of two simple complexity reduction techniques: the Simplified Edge Detector (SED) and the Diamond Search...
This paper presents a new mode decision for the depth maps intra-frame prediction in 3D-HEVC. The proposed technique decides if the traditional High Efficiency Video Coding-based (HEVC) intra-frame prediction should be performed or skipped. This technique is inspired by the fact that traditional intra-frame prediction may generate artifacts in the synthesized views when an edge is encoded. The Simplified...
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