GB0122526D0 - Video compression - Google Patents

Video compression

Info

Publication number
GB0122526D0
GB0122526D0 GB0122526A GB0122526A GB0122526D0 GB 0122526 D0 GB0122526 D0 GB 0122526D0 GB 0122526 A GB0122526 A GB 0122526A GB 0122526 A GB0122526 A GB 0122526A GB 0122526 D0 GB0122526 D0 GB 0122526D0
Authority
GB
United Kingdom
Prior art keywords
video compression
video
compression
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.)
Withdrawn
Application number
GB0122526A
Other versions
GB2379821A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Broadcasting Corp
Original Assignee
British Broadcasting Corp
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 British Broadcasting Corp filed Critical British Broadcasting Corp
Priority to GB0122526A priority Critical patent/GB2379821A/en
Publication of GB0122526D0 publication Critical patent/GB0122526D0/en
Priority to PCT/GB2002/004260 priority patent/WO2003026311A2/en
Publication of GB2379821A publication Critical patent/GB2379821A/en
Withdrawn legal-status Critical Current

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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

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)
GB0122526A 2001-09-18 2001-09-18 Image compression method for providing a serially compressed sequence Withdrawn GB2379821A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0122526A GB2379821A (en) 2001-09-18 2001-09-18 Image compression method for providing a serially compressed sequence
PCT/GB2002/004260 WO2003026311A2 (en) 2001-09-18 2002-09-18 Video compression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0122526A GB2379821A (en) 2001-09-18 2001-09-18 Image compression method for providing a serially compressed sequence

Publications (2)

Publication Number Publication Date
GB0122526D0 true GB0122526D0 (en) 2001-11-07
GB2379821A GB2379821A (en) 2003-03-19

Family

ID=9922299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0122526A Withdrawn GB2379821A (en) 2001-09-18 2001-09-18 Image compression method for providing a serially compressed sequence

Country Status (2)

Country Link
GB (1) GB2379821A (en)
WO (1) WO2003026311A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2401502B (en) * 2003-05-07 2007-02-14 British Broadcasting Corp Data processing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0748859B2 (en) * 1986-08-11 1995-05-24 国際電信電話株式会社 Predictive coding method for television signals
FR2651399B1 (en) * 1989-08-29 1996-05-15 Thomson Consumer Electronics METHOD AND DEVICE FOR ESTIMATING AND HIERARCHIZED CODING OF THE MOTION OF IMAGE SEQUENCES.
JPH03117991A (en) * 1989-09-29 1991-05-20 Victor Co Of Japan Ltd Encoding and decoder device for movement vector
FR2725577B1 (en) * 1994-10-10 1996-11-29 Thomson Consumer Electronics CODING OR DECODING METHOD OF MOTION VECTORS AND CODING OR DECODING DEVICE USING THE SAME
US6049330A (en) * 1997-08-28 2000-04-11 Oak Technology, Inc. Method and apparatus for optimizing storage of compressed images in memory
US5978048A (en) * 1997-09-25 1999-11-02 Daewoo Electronics Co., Inc. Method and apparatus for encoding a motion vector based on the number of valid reference motion vectors
KR20020026198A (en) * 2000-04-27 2002-04-06 요트.게.아. 롤페즈 Video compression

Also Published As

Publication number Publication date
GB2379821A (en) 2003-03-19
WO2003026311A2 (en) 2003-03-27
WO2003026311A3 (en) 2003-12-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)