MOVING IMAGE ENCODING DEVICE AND METHOD, MOVING IMAGE DECODING DEVICE AND METHOD, BITSTREAM

MOVING IMAGE ENCODING DEVICE AND METHOD, MOVING IMAGE DECODING DEVICE AND METHOD, BITSTREAM

An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal com...

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Hauptverfasser: MORIYA, Yoshimi, SEKIGUCHI, Shunichi, MURAKAMI, Tokumichi, ASAI, Kohtaro, SUGIMOTO, Kazuo
Format: Patent
Sprache:eng ; fre ; ger
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator MORIYA, Yoshimi
SEKIGUCHI, Shunichi
MURAKAMI, Tokumichi
ASAI, Kohtaro
SUGIMOTO, Kazuo
description An encoding controlling unit 3 selects one transformation block size which provides an optimal degree of encoding efficiency from a set of transformation block sizes which are determined in accordance with an encoding mode 7, and includes the transformation block size selected thereby in optimal compression parameters 20a to notify the transformation block size to a transformation/quantization unit 19, and the transformation/quantization unit 19 divides an optimal prediction differential signal 13a into blocks having the transformation block size included in the optimal compression parameters 20a, and carries out a transformation and quantization process on each of the blocks to generate compressed data 21.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title MOVING IMAGE ENCODING DEVICE AND METHOD, MOVING IMAGE DECODING DEVICE AND METHOD, BITSTREAM
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