Image encoding device, image decoding device and program

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11812015
APP PUB NO 20210235081A1
SERIAL NO

17205267

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image encoding device that divides an image into blocks and encodes on each of the blocks, the image encoding device includes: a sub-area divider configured to divide a target block to be encoded into a plurality of sub-areas; a reference direction determiner configured to determine a reference direction that indicates in which direction an encoded block to be referenced is located among encoded blocks around the target block; a motion vector deriver configured to derive a motion vector for each of the sub-areas by referencing a motion vector applied in inter prediction of an encoded block located in the determined reference direction; and a prediction image generator configured to generate a prediction image on the target block by performing inter prediction on each of the sub-areas by using the derived motion vector. The image encoding device configured to encode reference direction information that indicates the determined reference direction, and output a stream.

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Patent Owner(s)

  • HITACHI LTD. & NIPPON HOSO KYOKAI

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ichigaya, Atsuro Tokyo, JP 64 66
Iwamura, Shunsuke Tokyo, JP 60 43
Nemoto, Shimpei Tokyo, JP 48 25

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