TW200607353A - Method and apparatus for weighted prediction in predictive frames - Google Patents

Method and apparatus for weighted prediction in predictive frames

Info

Publication number
TW200607353A
TW200607353A TW094114428A TW94114428A TW200607353A TW 200607353 A TW200607353 A TW 200607353A TW 094114428 A TW094114428 A TW 094114428A TW 94114428 A TW94114428 A TW 94114428A TW 200607353 A TW200607353 A TW 200607353A
Authority
TW
Taiwan
Prior art keywords
weight parameters
weighted
prediction
bit
prediction regions
Prior art date
Application number
TW094114428A
Other languages
English (en)
Inventor
Vijayalakshmi R Raveendran
Gordon Kent Walker
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of TW200607353A publication Critical patent/TW200607353A/zh

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
    • H04N19/50—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • 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
    • 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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW094114428A 2004-05-04 2005-05-04 Method and apparatus for weighted prediction in predictive frames TW200607353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56815404P 2004-05-04 2004-05-04

Publications (1)

Publication Number Publication Date
TW200607353A true TW200607353A (en) 2006-02-16

Family

ID=34969071

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094114428A TW200607353A (en) 2004-05-04 2005-05-04 Method and apparatus for weighted prediction in predictive frames

Country Status (8)

Country Link
US (1) US8731054B2 (zh)
EP (2) EP1747679A1 (zh)
JP (1) JP4659823B2 (zh)
KR (1) KR100866293B1 (zh)
CN (1) CN1981535B (zh)
CA (1) CA2565669A1 (zh)
TW (1) TW200607353A (zh)
WO (1) WO2005109898A1 (zh)

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Also Published As

Publication number Publication date
EP2230852A3 (en) 2011-12-28
WO2005109898A1 (en) 2005-11-17
EP2230852A2 (en) 2010-09-22
JP2007536816A (ja) 2007-12-13
CN1981535B (zh) 2012-05-30
CN1981535A (zh) 2007-06-13
KR100866293B1 (ko) 2008-10-31
KR20070036059A (ko) 2007-04-02
EP1747679A1 (en) 2007-01-31
US20050281334A1 (en) 2005-12-22
US8731054B2 (en) 2014-05-20
CA2565669A1 (en) 2005-11-17
JP4659823B2 (ja) 2011-03-30

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