PICTURE ENCODING METHOD, PICTURE DECODING METHOD, PICTURE ENCODING APPARATUS, PICTURE DECODING APPARATUS, PICTURE ENCODING PROGRAM, PICTURE DECODING PROGRAM, AND RECORDING MEDIA
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United States of America Patent
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Sep 24, 2013
filing date -
Sep 25, 2012
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Abstract
A picture encoding method and a picture decoding method are provided which are capable of generating a view-synthesized picture of a processing target frame with small computational complexity without significantly degrading the quality of the view-synthesized picture when the view-synthesized, picture is generated. A picture encoding/decoding method for, when encoding/decoding a multiview picture which includes pictures for a plurality of views, performing the encoding/decoding while predicting a picture between the views using a reference view picture for a view different from a view of a target picture and a reference view depth map which is a depth map of an object within the reference view picture, includes a virtual depth map generating step of generating a virtual depth map which has lower resolution than the target picture and is a depth map of the object within the target picture, and an inter-view picture predicting step of performing inter-view picture prediction by generating a disparity-compensated picture for the target picture from the virtual depth map and the reference view picture.
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