VIDEO ENCODING APPARATUS AND METHOD, VIDEO DECODING APPARATUS AND METHOD, AND PROGRAMS THEREFOR
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United States of America Patent
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Dec 10, 2015
app pub date -
Dec 25, 2013
filing date -
Dec 28, 2012
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Abstract
A video encoding apparatus divides each frame which forms an encoding target video into a plurality of processing regions, each processing region being subjected to predictive encoding, where a basic reference region associated with each processing region as an encoding target image is set. A first reference prediction region and a second reference prediction region, which are reference regions associated with the basic reference region, are set. Based on a first reference predicted image and a second reference predicted image which correspond to the reference prediction regions, weighting coefficients assigned to individual small regions are set. A first prediction region and a second prediction region, which are reference regions for the encoding target image, are set. A predicted image is generated based on the weighting coefficients, and a first primary-predicted image and a second primary-predicted image which are obtained based on the first and second prediction regions.
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