IMAGE DECODING METHOD AND DEVICE

Japanese Patent JP2004007753

A

To provide an image decoding device capable of easily restoring information lost by mistake without generating an increase in the code amount comparable to peripheral refresh or error correction.

This image decoding device is provided with a code sequence separator 506 for separating an input code sequence including a basic code sequence and an additional code sequence consisting of only significant information whose significance is relatively high into the basic code sequence and the additional code column, a decoder 508 for decoding the basic code sequence or the additional code sequence, and for outputting the decoded data, an error detector 509 for deciding whether the basic code sequence decodable or undecodable by the decoder 508, and code sequence switchers 507 and 511 for inputting the additional code sequence to the decoder 508 when it is decoded that the basic code sequence is undecodable.

NAGAI TAKESHI
DATAKE KENJI
NAKAJO TAKESHI
KIKUCHI YOSHIHIRO
WATANABE TOSHIAKI

JP2003189070A

January 08, 2004

June 30, 2003

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TOSHIBA CORP

G06T9/00; H03M7/30; H04L1/00; H04N1/41; H04N7/08; H04N7/081; H04N7/24; H04N19/00; H04N19/102; H04N19/134; H04N19/157; H04N19/166; H04N19/423; H04N19/503; H04N19/513; H04N19/523; H04N19/61; H04N19/625; H04N19/65; H04N19/67; H04N19/70; H04N19/91; H04N21/438; (IPC1-7): H04N7/24

Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Sadao Muramatsu
Ryo Hashimoto

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