Method and Apparatus for Simplified Depth Coding with Extended Prediction Modes

A technology of intra-frame coding and coding system, which is applied in the field of 3D video coding and multi-view video coding to achieve the effect of improving coding efficiency

Active Publication Date: 2015-05-13
HFI INNOVATION INC
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Problems solved by technology

[0040] In general SDC for depth block coding

Method used

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Example Embodiment

[0058] In order to improve the coding efficiency of simplified depth coding (SDC), according to an embodiment of the present invention, extended prediction modes (extended prediction modes) for simplified depth coding are proposed to improve simplified depth coding. The extended prediction modes include horizontal intra mode (Horizontal Intra mode), vertical intra mode (Vertical Intra mode), or add both to the general plane mode and DMM mode 1. In this disclosure, a simplified depth coding (SDC) intra prediction mode can also be referred to as an intra prediction type. In this disclosure, the parallel intra mode and the vertical intra mode can also be referred to as horizontal mode and vertical mode. For example, corresponding to the current block, the extended intra prediction types of section / prediction may include:

[0059] a.DMM mode 1-clear wedge wave (2 sections)

[0060] b. Plane mode (1 section)

[0061] c. Horizontal mode (1 section)

[0062] d. Vertical mode (1 section)

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Abstract

A method and apparatus for Simplified Depth Coding (SDC) with extended Intra prediction modes are disclosed. Embodiments of the present invention use an extended Intra prediction mode set including Horizontal mode and Vertical mode. When the Horizontal mode is selected, the prediction samples for the current depth block are derived based on a reconstructed neighboring depth column adjacent to a left block boundary of the current depth block by generating rows of the prediction samples from the reconstructed neighboring depth column. When the Vertical mode is selected, the prediction samples for the current depth block are derived based on a reconstructed neighboring depth row adjacent to a top block boundary of the current depth block by generating columns of the prediction samples from the reconstructed neighboring depth row.

Description

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Claims

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Application Information

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Owner HFI INNOVATION INC
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