Method of effectively predicting multi-layer based video frame, and video coding method and apparatus using the same
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United States of America Patent
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May 21, 2013
Grant Date -
Jul 19, 2012
app pub date -
Mar 26, 2012
filing date -
Jan 25, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus are provided for effectively predicting a video frame that use all of the advantages of an intra mode and an intra BL mode in multi-layer structure based-video coding. The method includes reconstructing the intra block of a lower layer using the previously reconstructed first neighboring blocks of the intra block; subtracting the first neighboring blocks from previously stored the second neighboring blocks of an upper layer corresponding to the first neighboring blocks; creating a differential predicted block based on a predetermined intra prediction mode by performing intra prediction using virtual differential neighboring blocks that are created as a result of the subtraction; adding the differential predicted block and the reconstructed intra block; and subtracting a predicted block, which is created as a result of the addition, from a block of the upper layer corresponding to the intra block.
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