METHOD AND DEVICE FOR DERIVING MOTION INFORMATION USING DEPTH INFORMATION, AND METHOD AND DEVICE FOR DERIVING MOTION MERGING CANDIDATE USING DEPTH INFORMATION
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United States of America Patent
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Jan 5, 2017
app pub date -
Jan 19, 2015
filing date -
Mar 31, 2014
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Abstract
The present invention provides a method for deriving motion information and a device for encoding an image using depth information. A method for deriving motion information using depth information, according to an embodiment of the present invention, comprises the steps of: comparing each motion information item of a plurality of adjacent blocks that are spatially adjacent to an encoded current block and thereby searching for an adjacent block having the same motion information; comparing, using depth information, whether or not a first object area comprising a block in a reference image temporally corresponding to the current block and a second object area comprising the adjacent block that has been found are the same; and, if the first object area and the second object area are the same, deriving motion information of the adjacent block that has been found as motion information of the current block.
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