Encoder, decoder, encoding method, and decoding method

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United States of America Patent

PATENT NO 11825084
APP PUB NO 20220239913A1
SERIAL NO

17724178

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided is an encoder which includes circuitry and memory. Using the memory, the circuitry splits an image block into a plurality of partitions, obtains a prediction image for a partition, and encodes the image block using the prediction image. When the partition is not a non-rectangular partition, the circuitry obtains (i) a first prediction image for the partition, (ii) a gradient image for the first prediction image, and (iii) a second prediction image as the prediction image using the first prediction image and the gradient image. When the partition is a non-rectangular partition, the circuitry obtains the first prediction image as the prediction image without using the gradient image.

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Patent Owner(s)

  • PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Kiyofumi Osaka, JP 665 8076
Kanoh, Ryuichi Osaka, JP 199 353
Li, Jing Ya Singapore, SG 147 174
Liao, Ru Ling Singapore, SG 119 223
Lim, Chong Soon Singapore, SG 382 2425
Nishi, Takahiro Nara, JP 1247 6935
Shashidhar, Sughosh Pavan Singapore, SG 97 205
Sun, Hai Wei Singapore, SG 245 864
Teo, Han Boon Singapore, SG 175 314
Toma, Tadamasa Osaka, JP 779 4024

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