動きベクトル推定方法、動きベクトル推定装置、ビデオエンコーダ、ビデオデコーダ及びデコーディング方法

Japanese Patent JP5620109

B2

Provided are a method and apparatus for predicting a motion vector using a global motion vector, an encoder, a decoder, and a decoding method. The motion vector prediction method includes: predicting a global motion vector of the current block; calculating a first motion vector difference between a motion vector of the current block and a motion vector of the adjacent partition, and a second motion vector difference between the motion vector of the current block and the predicted global motion vector of the current block; and predicting, as the motion vector of the current block, a motion vector having a minimum Rate-Distortion (RD) cost, based on the first motion vector difference and the second motion vector difference.

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リー，タミー
ハン，ウ−ジン

JP2009544783A

November 05, 2014

December 18, 2007

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サムスン エレクトロニクスカンパニー リミテッド

H04N19/52; H04N19/527

Tadashige Ito
Tadahiko Ito
Shinsuke Onuki

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