CA2303516C - Transcoding video signals from a scheme using a prediction using backward motion vectors to a scheme using reversed backward motion vectors - Google Patents

Transcoding video signals from a scheme using a prediction using backward motion vectors to a scheme using reversed backward motion vectors Download PDF

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Publication number
CA2303516C
CA2303516C CA002303516A CA2303516A CA2303516C CA 2303516 C CA2303516 C CA 2303516C CA 002303516 A CA002303516 A CA 002303516A CA 2303516 A CA2303516 A CA 2303516A CA 2303516 C CA2303516 C CA 2303516C
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Canada
Prior art keywords
frame
motion
motion vector
vectors
frames
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
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CA002303516A
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English (en)
French (fr)
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CA2303516A1 (en
Inventor
Michael Erling Nilsson
Mohammed Ghanbari
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British Telecommunications PLC
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British Telecommunications PLC
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Publication date
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Publication of CA2303516A1 publication Critical patent/CA2303516A1/en
Application granted granted Critical
Publication of CA2303516C publication Critical patent/CA2303516C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA002303516A 1997-11-27 1998-11-27 Transcoding video signals from a scheme using a prediction using backward motion vectors to a scheme using reversed backward motion vectors Expired - Fee Related CA2303516C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97309575 1997-11-27
EP97309575.5 1997-11-27
PCT/GB1998/003553 WO1999029113A1 (en) 1997-11-27 1998-11-27 Transcoding

Publications (2)

Publication Number Publication Date
CA2303516A1 CA2303516A1 (en) 1999-06-10
CA2303516C true CA2303516C (en) 2007-09-11

Family

ID=8229639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002303516A Expired - Fee Related CA2303516C (en) 1997-11-27 1998-11-27 Transcoding video signals from a scheme using a prediction using backward motion vectors to a scheme using reversed backward motion vectors

Country Status (10)

Country Link
US (1) US6625320B1 (enExample)
EP (1) EP1010330B1 (enExample)
JP (1) JP4132664B2 (enExample)
KR (1) KR100592651B1 (enExample)
CN (1) CN1156164C (enExample)
AU (1) AU744535B2 (enExample)
CA (1) CA2303516C (enExample)
DE (1) DE69803195T2 (enExample)
ES (1) ES2171312T3 (enExample)
WO (1) WO1999029113A1 (enExample)

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Also Published As

Publication number Publication date
EP1010330A1 (en) 2000-06-21
US6625320B1 (en) 2003-09-23
ES2171312T3 (es) 2002-09-01
AU1252899A (en) 1999-06-16
CN1156164C (zh) 2004-06-30
JP2001525638A (ja) 2001-12-11
EP1010330B1 (en) 2002-01-16
WO1999029113A1 (en) 1999-06-10
JP4132664B2 (ja) 2008-08-13
HK1029694A1 (en) 2001-04-06
KR20010031222A (ko) 2001-04-16
AU744535B2 (en) 2002-02-28
DE69803195D1 (de) 2002-02-21
CA2303516A1 (en) 1999-06-10
CN1280743A (zh) 2001-01-17
DE69803195T2 (de) 2002-08-29
KR100592651B1 (ko) 2006-06-23

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