Method and apparatus for decoding/encoding a video signal
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United States of America Patent
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Jul 24, 2012
Grant Date -
Jan 8, 2009
app pub date -
Nov 19, 2007
filing date -
Nov 17, 2006
priority date (Note) -
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Abstract
A method of decoding a video signal is disclosed. The method includes decoding a bit stream of a base layer, obtaining flag information, obtaining information indicating an obtaining position of parameters. The parameters includes at least one of information on a phase shift of a chrominance signal and offset information. The method further includes obtaining the information on the phase shift of the chrominance signal based on the flag information and the information indicating the obtaining position of the parameters, and obtaining the offset information based on the flag information and the information indicating the obtaining position of the parameters. The method further includes up-sampling the picture of the base layer, and decoding a bit stream of an enhanced layer based on the reference picture up-sampled from the picture of the base layer, the information on the phase shift of the chrominance signal and the offset information.
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