Method and apparatus for decoding inter-layer video, and method and apparatus for encoding inter-layer video
AssigneeSamsung Electronics Co., Ltd.
InventorsMin-woo PARK, Jin-young LEE
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Abstract
Provided is an inter-layer video decoding method including obtaining a disparity vector of a current block included in a first layer image; determining a block of a second layer image corresponding to the current block by using the obtained disparity vector; determining a reference block including a sample that contacts a boundary of the block; obtaining a motion vector of the reference block; and determining a motion vector of the current block included in the first layer image by using the obtained motion vector.
Claims15
An inter-layer video decoding method comprising:
- obtaining a disparity vector of a current block comprised in a first layer image;
- determining a block of a second layer image corresponding to the current block by using the obtained disparity vector;
- determining a reference block comprising a sample that contacts a boundary of the block;
- obtaining a motion vector of the reference block;
- and
- determining a motion vector of the current block comprised in the first layer image by using the obtained motion vector.
An inter-layer video encoding method comprising:
- obtaining a disparity vector of a current block comprised in a first layer image;
- determining a block of a second layer image corresponding to the current block by using the obtained disparity vector;
- determining a reference block comprising a sample that contacts a boundary of the block;
- obtaining a motion vector of the reference block;
- determining a motion vector of the current block comprised in the first layer image by using the obtained motion vector;
- determining a prediction block of the current block by using the determined motion vector;
- and
- encoding a residual block with respect to the current block by using the prediction block of the current block.
An inter-layer video decoding apparatus comprising:
- a disparity vector obtainer configured to obtain a disparity vector indicating a corresponding block of a second layer image decoded from a current block of a first layer image;
- and
- a decoder configured to determine a reference block comprising a sample contacting a boundary of the corresponding block of the second layer image by using the obtained disparity vector, to obtain a motion vector of the reference block, and to obtain a prediction block of the current block of the first layer image by using the obtained motion vector.
(canceled)
Dependencies are inferred from the claim text.