Method and apparatus for decoding/encoding a video signal using inter-layer prediction
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United States of America Patent
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May 22, 2012
Grant Date -
Jun 24, 2010
app pub date -
Mar 2, 2010
filing date -
Nov 17, 2006
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Abstract
Embodiments provide a method and apparatus for decoding/encoding a video signal using inter-layer prediction. The method includes obtaining inter-layer prediction identification information and quality identification information. The method further includes obtaining prediction constraint information based on the inter-layer prediction identification information and the quality identification information. The prediction constraint information indicates whether it is constrained to use an intra-base prediction mode in predicting a current block when a corresponding block covers at least two slices of a base layer. The method further includes decoding a current block by using the intra-base prediction mode when the prediction constraint information indicates it is not constrained to use the intra-base prediction mode in predicting the current block in case that the corresponding block covers at least two slices of the base layer.
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