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WO2009040873A1 - 可変長データのメモリ格納方法、および可変長データ記憶装置 - Google Patents

可変長データのメモリ格納方法、および可変長データ記憶装置 Download PDF

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Publication number
WO2009040873A1
WO2009040873A1 PCT/JP2007/001044 JP2007001044W WO2009040873A1 WO 2009040873 A1 WO2009040873 A1 WO 2009040873A1 JP 2007001044 W JP2007001044 W JP 2007001044W WO 2009040873 A1 WO2009040873 A1 WO 2009040873A1
Authority
WO
WIPO (PCT)
Prior art keywords
variable length
length data
memory
error
data
Prior art date
Application number
PCT/JP2007/001044
Other languages
English (en)
French (fr)
Inventor
Hirofumi Nagaoka
Yasuhiro Watanabe
Taro Hagiya
Original Assignee
Fujitsu Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/001044 priority Critical patent/WO2009040873A1/ja
Priority to JP2009534066A priority patent/JP4796186B2/ja
Publication of WO2009040873A1 publication Critical patent/WO2009040873A1/ja
Priority to US12/731,090 priority patent/US8458512B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

　可変長データをメモリに連続的に格納する処理においてエラーが検出され、格納済みのデータの書き換えが必要な場合にも、その書き換えを省略可能とし、エラー隠蔽の処理時間を短縮することを目的とし、エラーが検出されなかった可変長データをメモリ上の定められた位置から連続的に格納し、エラーが検出された時、その可変長データを格納すべきであった領域に対応する復帰アドレスを含み、エラー隠蔽用データによって代用されるべきデータの中で、最も古くメモリに格納された可変長データを指定するエラー情報を、前記定められた位置の前に格納する。
PCT/JP2007/001044 2007-09-26 2007-09-26 可変長データのメモリ格納方法、および可変長データ記憶装置 WO2009040873A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/001044 WO2009040873A1 (ja) 2007-09-26 2007-09-26 可変長データのメモリ格納方法、および可変長データ記憶装置
JP2009534066A JP4796186B2 (ja) 2007-09-26 2007-09-26 可変長データのメモリ格納方法、および可変長データ記憶装置
US12/731,090 US8458512B2 (en) 2007-09-26 2010-03-24 Variable-length data storing method and variable-length data storing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/001044 WO2009040873A1 (ja) 2007-09-26 2007-09-26 可変長データのメモリ格納方法、および可変長データ記憶装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/731,090 Continuation US8458512B2 (en) 2007-09-26 2010-03-24 Variable-length data storing method and variable-length data storing device

Publications (1)

Publication Number Publication Date
WO2009040873A1 true WO2009040873A1 (ja) 2009-04-02

Family

ID=40510788

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/001044 WO2009040873A1 (ja) 2007-09-26 2007-09-26 可変長データのメモリ格納方法、および可変長データ記憶装置

Country Status (3)

Country Link
US (1) US8458512B2 (ja)
JP (1) JP4796186B2 (ja)
WO (1) WO2009040873A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11997253B2 (en) 2018-09-12 2024-05-28 Beijing Bytedance Network Technology Co., Ltd Conditions for starting checking HMVP candidates depend on total number minus K

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10145789A (ja) * 1996-11-15 1998-05-29 Oki Electric Ind Co Ltd 動画像符号化方法及び動画像復号方法
JPH10336582A (ja) * 1997-05-29 1998-12-18 Sharp Corp ディジタル映像信号処理装置
JP2003163904A (ja) * 2002-08-27 2003-06-06 Sharp Corp 映像復号化方法
JP2003289541A (ja) * 2002-02-05 2003-10-10 Shienesu Technology:Kk Ｍｐｅｇ−４映像の復号方法及び復号装置
JP2007243784A (ja) * 2006-03-10 2007-09-20 Victor Co Of Japan Ltd 動画像復号装置および動画像復号方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006128920A (ja) 2004-10-27 2006-05-18 Matsushita Electric Ind Co Ltd 画像信号復号化システムにおけるエラー隠蔽方法および装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10145789A (ja) * 1996-11-15 1998-05-29 Oki Electric Ind Co Ltd 動画像符号化方法及び動画像復号方法
JPH10336582A (ja) * 1997-05-29 1998-12-18 Sharp Corp ディジタル映像信号処理装置
JP2003289541A (ja) * 2002-02-05 2003-10-10 Shienesu Technology:Kk Ｍｐｅｇ−４映像の復号方法及び復号装置
JP2003163904A (ja) * 2002-08-27 2003-06-06 Sharp Corp 映像復号化方法
JP2007243784A (ja) * 2006-03-10 2007-09-20 Victor Co Of Japan Ltd 動画像復号装置および動画像復号方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11997253B2 (en) 2018-09-12 2024-05-28 Beijing Bytedance Network Technology Co., Ltd Conditions for starting checking HMVP candidates depend on total number minus K

Also Published As

Publication number Publication date
US20100241897A1 (en) 2010-09-23
JP4796186B2 (ja) 2011-10-19
JPWO2009040873A1 (ja) 2011-01-13
US8458512B2 (en) 2013-06-04

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