Method and apparatus for video coding using arbitrary block partitioning
AssigneesHyundai Motor Company, Kia Corporation, Digitalinsights Inc.
InventorsYong Jo Ahn, Jong Seok Lee, Seung Wook Park
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Abstract
A video coding method and an apparatus using arbitrary block partitioning are disclosed. The video coding method and apparatus perform a transform and an inverse transform on residual signals of arbitrary partitioned blocks when predicting a current block by using arbitrary block. Alternatively, the video coding method and the video coding apparatus perform a transform and an inverse transform on residual signals corresponding to some pixels adjacent to a partitioning boundary after an arbitrary partitioning of the current block.
Claims17
A method performed by a video decoding apparatus for inverse transforming arbitrary partitioned blocks of a current block, the method comprising:
- generating a reconstructed residual block by inverse transforming decoded transformed coefficients;
- obtaining arbitrary partitioning information of the current block, wherein the arbitrary partitioning information represents a partitioning shape of the current block into the arbitrary partitioned blocks;
- determining, by using the arbitrary partitioning information, a relocation area for relocating residual signals of the reconstructed residual block within the current block;
- and
- relocating the residual signals in the relocation area.
A method performed by a video encoding apparatus for transforming arbitrary partitioned blocks of a current block, the method comprising:
- obtaining arbitrary partitioning information of the current block, wherein the arbitrary partitioning information represents a partitioning shape of the current block into the arbitrary partitioned blocks;
- determining, by using the arbitrary partitioning information, a transform area subject to a transform from the arbitrary partitioned blocks;
- generating a residual block by obtaining and two-dimensionally vectorizing residual signals of pixels included in the transform area;
- and
- generating transformed coefficients of the current block by transforming the residual block.
A computer-readable recording medium storing a bitstream generated by a video encoding method for transforming arbitrary partitioned blocks of a current block, the video encoding method comprising:
- obtaining arbitrary partitioning information of the current block, wherein the arbitrary partitioning information represents a partitioning shape of the current block into the arbitrary partitioned blocks;
- determining, by using the arbitrary partitioning information, a transform area subject to a transform from the arbitrary partitioned blocks;
- generating a residual block by obtaining and two-dimensionally vectorizing residual signals of pixels included in the transform area;
- and
- generating transformed coefficients of the current block by transforming the residual block.
Dependencies are inferred from the claim text.